Mantis 7940 Le manuel du propriétaire

Marque: Mantis

Modèle: 7940

Catégorie: Mini motoculteurs

Taper: Le manuel du propriétaire

OPERATOR’S/PARTS MANUAL

MAN 430131

Rev. C 3-31-20

Operator’s Manual and Safety Instructions for

Tiller/Cultivator

MODEL 7940

MODÈLE 7940

Motobêche-bineuse

Manuel de l'utilisateur et consignes de

sécurité pour la motobêche-bineuse

MANUEL DE L'UTILISATEUR / PIÈCES DÉTACHÉES

2 Operator’s Manual

IMPORTANT MESSAGE

Thank you for purchasing this Schiller Grounds Care, Inc. product. You have purchased a world-class product, one of the best designed and built anywhere.

This machine comes with Operation and Safety instructions, Parts and Service instructions, and Engine instructions. The useful life and good service you

receive from this machine depends to a large extent on how well you read and understand these manuals. Treat your machine properly, lubricate and adjust it

as instructed, and it will give you many years of reliable service.

Your safe use of this Schiller Grounds Care, Inc. product is one of our prime design objectives. Many safety features are built in, but we also rely on your good

sense and care to achieve accident-free operation. For best protection, study the manuals thoroughly. Learn the proper operation of all controls. Observe all

safety precautions. Follow all instructions and warnings completely. Do not remove or defeat any safety features, and make sure those who operate this machine

are as well informed and careful in its use as you are.

See a Schiller Grounds Care, Inc. dealer for any service or parts needed. Schiller Grounds Care, Inc. service ensures that you continue to receive the best

results possible from Schiller Grounds Care, Inc. products. You can trust Schiller Grounds Care, Inc. replacement parts, because they are manufactured with

the same high precision and quality as the original parts.

Schiller Grounds Care, Inc. designs and builds its equipment to serve many years in a safe and productive manner. For longest life, use this machine only as

directed in the manuals, keep it in good repair, and follow all safety warnings and instructions. You’ll always be glad you did.

Schiller Grounds Care, Inc.

1028 Street Road

Southampton, PA 18966-4217

PHONE (800) 366-6268 • FAX (215) 956-3855

SAFETY RULES & WARNINGS

Special Safety Information ................................................. 3

Safety & Warnings ............................................................. 3

Safety Decal Information ................................................... 3

Warning Dos ...................................................................... 4

Warning Don’ts .................................................................. 5

Engine/Fuel Warning Dos .................................................. 5

Engine/Fuel Warning Don’ts .............................................. 5

ASSEMBLY ............................................................................6

Lower Handle .................................................................... 7

Upper Handle Assembly .................................................... 8

Tines ...............................................................................8-9

Kickstand ........................................................................... 9

FUELING & STARTING

4-Cycle Fueling & Oil Only .............................................. 10

4-Cycle Corrective Action ................................................ 10

4-Cycle Starting Only ....................................................... 10

OPERATION .................................................................... 11-12

TRANSPORTATION ............................................................. 13

STORAGE ............................................................................ 13

MAINTENANCE ..............................................................14-16

TROUBLESHOOTING ......................................................... 17

MANTIS TILLER ASSEMBLY & PARTS LIST .................18-19

LIMITED WARRANTY INFORMATION ................BACK PAGE

TABLE OF CONTENTS

Welcome to the World of Mantis Gardening

Here’s your new MANTIS Tiller . . . the lightweight wonder that’s Changing the

Way Americans Garden.

Unlike big tillers, your MANTIS Tiller weighs only 24 lbs. (Model 7940). So it lifts

easily, handles smoothly, and tills and weeds precisely. And unlike other small

tillers, it features serpentine tines that churn soil to 10” deep, creating a soft,

smooth seed bed, even in problem soil.

Once you know how to use your tiller correctly, we guarantee you’ll love it. So rst, please read this manual. It shows, step by

step, how to use your tiller safely.

ATTENTION MANTIS PRODUCT OWNERS!

Get maintenance tips for your Mantis

product on our web site

at www.mantis.com

This Operator’s/Parts Manual is part of the machine. Suppliers of both new and

second-hand machines must make sure that this manual is provided with the machine.

3Contact us at www.mantis.com

You will notice Safety Rules and Important Notes throughout this Operator’s Manual. Make sure you understand and obey these

warnings for your own protection.

I. SPECIAL SAFETY INFORMATION

II. SAFETY & WARNINGS

III. SAFETY DECAL INFORMATION

An important part of the safety system incorporated in this tiller is the warning and information decals found on various parts of the

tiller. These decals can degrade in time due to abrasion, etc. It is your responsibility to replace these decals when they become

hard to read. Please review and familiarize yourself with each o the following decals:

Safety Rules & Warnings

Improper use or care of this tiller or failure to wear

proper protection can result in serious injury.

Read and understand the rules for safe

operation and all instructions in this manual.

Wear hearing and eye protection.

To reduce the potential for accidents, comply

with the safety instructions in this manual.

Failure to comply may result in serious

personal injury, and/or equipment

and property damage.

The engine exhaust from this product contains

chemicals known to the State of California to cause

cancer, birth defects or other reproductive harm.

Attention: This symbol points out our

important safety instructions.

When you see this symbol,

heed it’s warning!! Stay alert!!

P/N 430057

P/N 400631

Cutting hazard; keep

feet and hands away

from rotating tines.

Don’t operate

indoors

Caution: when assembling

the handles, make sure

fuel tank faces away from

operator. This is the rear of

the tiller, refer to assembly

instruction on page 8-9.

Incorrect assembly.

Wear ear

and eye

Protection.

Do not carry the

tiller in this position.

Read owner’s manual before

using tiller, or performing any

repair or maintenance. Keep

owners manual in a safe place.

Don’t fuel, refuel,

or check fuel while

smoking, or near an

open ame or other

ignition source.

4 Operator’s Manual

If the tiller is used improperly or safety precautions

are not followed, the users risk serious injury

to themselves and others.

Read and understand this manual before

attempting to operate this tiller.

Operation of this equipment may create sparks

that can start res around dry vegetation. A spark

arrestor is installed. The operator should contact

local re agencies for laws or regulations relating

to re prevention requirements.

IV. WARNINGS - DO

Read and understand the owner’s manual.

Pay particular attention to all sections

regarding safety.

1. Always keep a rm grip on both

handles while the tines are moving and/

or the engine is running. BE AWARE!

The tines may continue to spin after

throttle trigger is released and continue

to pose a hazard. Make sure tines have

come to a complete stop and engine is

off before letting go of the tiller.

2. Always maintain a rm footing and

good balance. Do not overreach while

operating the tiller. Before you start to

use the tiller, check the work area and

remove any obstacles that might cause

you to lose your footing, balance, or

control of the machine.

3. Thoroughly inspect the area where

equipment is to be used and remove

all objects that can be thrown by the

machine.

4. Always keep area clear of children,

pets, and bystanders.

5. Always stay alert. Watch what you are

doing and use common sense. Do not

operate unit when fatigued.

6. Always dress properly. Do not wear

loose clothing or jewelry that could get

caught in moving parts. Use sturdy

gloves to reduce the transmission of

vibration to your hands, as prolonged

exposure to vibration can cause

numbness and other ailments.

7. Always wear substantial footwear and

long trousers while working. Do not

operate the equipment when barefoot or

wearing open-toe sandals.

8. Always wear ear and eye protection.

Eye protection must meet applicable

CE or ANSI standards. To avoid hearing

damage, we recommend hearing

protection be worn whenever using the

equipment.

9. Keep the engine and petrol/gas storage

area free of vegetative material and

excessive grease to reduce re hazard.

10. Start the engine carefully, according

to all manufacturer’s instructions and

with feet well away from tool(s).

11.

Keep all nuts, bolts and screws tight

to be sure the equipment is in safe

working condition.

12.

Use extreme caution when reversing

the tine direction or pulling the machine

toward you.

13. Work only in daylight or with good

articial light.

14. Always be sure of your footing on

slopes.

15. Exercise extreme caution when

changing direction on slopes.

16. Always keep a safe distance between

two or more people when working

together.

17. Always inspect your tiller before each

use. Tighten all loose hardware to be

sure the equipment is in safe working

condition.

18. Always visually inspect to ensure

that the tools are not worn or damaged.

Before using your tiller, replace worn or

damaged elements and bolts in sets to

preserve balance.

19. Always maintain and examine your

tiller with care. Follow maintenance

instructions given in manual.

20. Always store tiller in a sheltered area

(a dry place) not accessible to children.

21. Always remember the operator or user

is responsible for accidents or hazards

occurring to other people or their

property.

5Contact us at www.mantis.com

Handle fuel with care, it is highly ammable. Fueling a hot engine or near an ignition source can

cause a re and result in serious personal injury and/or property damage.

Safety Rules & Warnings

VI. ENGINE/FUEL WARNINGS - DO

VII. ENGINE/FUEL WARNINGS - DON’T

Always use fresh gasoline. Stale gasoline

can cause damage.

Always store fuel in containers

specically designed for this purpose.

Always add fuel before starting

the engine.

Always replace all fuel tank and

container caps securely.

Always pull starter cord slowly until

resistance is felt to avoid kickback and

prevent arm or hand injury.

Always operate engine with spark

arrestor installed and operating properly.

Stop the engine whenever you leave

the machine and before refueling. Allow

the engine to cool before storing in any

enclosure. Replace worn or damaged

parts for safety.

Only drain the fuel tank outdoors. To

reduce the potential of re. Keep the

engine and fuel storage area free of

vegetative material and excessive

grease.

Never pick up or carry a machine while

the engine is running or the tines are

turning.

Don’t fuel, refuel, or check fuel while

smoking, or near an open ame or other

ignition source. Stop engine and be sure

it is cool before refueling.

Don’t leave the engine running while the

tiller is unattended. Stop the engine when

carrying out maintenance and cleaning

operations, when changing tools, or

when being transported by any means

other than under the tiller’s own power.

Never remove the fuel cap or add fuel

while the engine is running or when the

engine is hot.

Don’t refuel, start, or run this tiller

indoors or in an improperly ventilated

area.

Don’t run engine if electrical system

causes sparks outside the cylinder.

During periodical checks of the spark

plug, keep plug a safe distance from

cylinder to avoid burning evaporated fuel

from cylinder.

Don’t check for spark with spark plug

or plug wire removed. Use an approved

tester.

Don’t crank engine with spark plug

removed unless spark plug wire is

disconnected. Sparks can ignite fumes.

Don’t run engine when the odor of gasoline

is present or other explosive conditions exist.

Don’t

attempt to start the engine if fuel is

spilled. Move the machine away from the

area of spillage and avoid creating

any spark or source of ignition until fuel

vapors have dissipated or spill has been

cleared.

Don’t operate your tiller if there is an

accumulation of debris around the mufer

or cooling ns.

Don’t touch hot mufers, cylinders or

cooling ns contact may cause serious

burns.

Don’t change the engine governor

setting or over throttle the engine.

Don’t attempt to remove spark plug while

engine is hot. Removing a spark plug

from a hot engine can cause irreparable

damage to the engine and will void your

warranty.

Don’t use starter uids they will cause

permanent engine damage.

V. WARNINGS - DON’T

Don’t use tiller with one hand. While the

tines are moving or engine is running,

keep both hands on handles with ngers

and thumbs encircling the handles.

Don’t run with the machine, walk.

Don’t work on steep slopes.

Never attempt to clear tines while they

are moving, or the engine is running.

Switch the engine off and make sure the

tines have stopped completely before

removing jammed material.

Don’t allow children or people unfamiliar

with these instructions to use the

machine. Local regulations can restrict

the age of operator.

Don’t let others operate tiller without

proper training.

Never store the tiller or its fuel in a

house.

Don’t operate while under the inuence

of alcohol or drugs.

Don’t attempt to repair this tiller. Have

repairs made by a qualied dealer or

repairman. See that only original Mantis

parts are used.

Don’t overreach. Keep a good footing at

all times.

Don’t stand in front of tiller when tines

are rotating or engine is running.

6 Operator’s Manual

Assembly

WHAT COMES IN THE BOX

WHAT YOU WILL NEED

TO ASSEMBLE THE TILLER

Prior to removing the contents and assembling, it is important to:

• Have a clean work area

• Make sure all necessary

tools are handy

• Have two 7/16” wrenches

• Have a 3/8” wrench for

kickstand assembly

Improper assembly of this tiller can result in serious injury. Make

sure to follow all instructions carefully. If you have any questions,

contact our factory at 1-800-366-6268 or an authorized Mantis dealer.

Key Qty. Part No. Description

T1 1 Upper Handle Throttle Side Assembly

T2 1 Upper Handle Assembly, Left

T3 2 Lower Handles W/Plug

T4 1 Handle Brace Assembly

T10 1 Plastic Carrying Handle

T21, T20,

T46

1 Engine Assembly (includes Fender Guard &

Worm Gear Transmission)

T39/T40 1 Pair Tiller/Cultivator Tines

1 Bag of Hardware

T7 2 Handle Clamps

T9 1 Throttle Clip

T11 2 Bolts (3” long)

T12 2 Knobs

T13 2 Acorn Nuts

T14 4 Lock Nuts

T15 2 Cap Screws

T41 2 Tine Retaining Pins

T42 2 Carriage Bolts

T49 1 Kickstand, Stand Assembly

T50 1 Kickstand, Bracket and Hardware Bag

Not Shown

1 400206 4-Cycle Oil

Bag Contents

Picture of Model 7940

T40

T41

T10

T15

T39

T20 T46T21

T12

T13

T11

T14

T42

T49

T50

T42

T14

7Contact us at www.mantis.com

LET’S BEGIN

• With the box upright, open the box and remove the

tine box and the loose parts at the top of the tiller

box. Do not remove any other parts from the box.

• Lay the box on one side and open the bottom aps.

• Return the box to an upright position (as shown in

Figure A) and pull the box straight up.

• Leave the engine and throttle handle in the cradle to

assist in the assembly.

• Lay everything out so you can easily identify the

parts (see parts image and list on page 6).

Assembly

• Slide the lower handles that

you’ve just put together into

the two recessed channels.

• Make sure you insert them

from the rear of the tiller

(gasoline tank faces away

from the operator) so the

bolt ts along the back of

the housing.

• Slide the second 3-inch

bolt (T11) through the

second set of holes in

the short legs. Add a

lock

nut (T14)

and tighten

nger tight until you’ve

completed assembly.

LOWER HANDLE ASSEMBLY

• For ease of assembly and

stability, it is important that you

keep the engine assembly in its

cardboard cradle.

• Lay all handle parts within easy

reach. You’ll need one of the

handle clamps (T7) and one of

the lower handles (T3). Note that

the lower handles have a short

leg on one end.

• Fit the handle clamp along

the outside of the short leg as

shown. Line up the holes on the

clamp and the leg.

• Choose one of the two 3-inch bolts

(T11). Slide it through the rst set

of holes near the elbow where the

lower handle curves. (Pictures 2 & 3)

• Now slide the other lower handle

onto the 3-inch bolt. Fit the other

clamp onto the other handle’s

short leg. Add a lock nut (T14) and

tighten “nger tight” (as tight as you

can make them without the use of a

tool). (Picture 3)

• Locate recessed channels

below the engine.

NOTE: THE LOCK NUTS ARE STAMPED. FINGER TIGHT IS APPROXIMATELY 1/2 TO 1-1/2 TURNS UNTIL YOU’VE COMPLETED ASSEMBLY.

See page 6 to identify part numbers.

NOTE: Some of the photos in this manual do not represent your

tiller engine. They are for assembly purposes only.

Figure A

Figure B

8 Operator’s Manual

Assembly (Continued)

UPPER HANDLE ASSEMBLY

• Lightly squeeze the lower

handles (T3) toward one another

so they line up with the two

smaller holes on the carrying

handle (T10). Then slide the

carrying handle over and down

the lower handles. It will rest

about four to six inches above the

fender.

• Gently pull the lower handles out

to their original position.

• Your Mantis tiller will look like

this when the lower handle

assembly is complete.

• You will need the two tines and two retaining

pins.

• Remove the unit from the

cardboard cradle and lay the

unit on its side.

• You will notice that one side of the

tine has a circular hole, while the

other has a D-shaped hole.

TINE ASSEMBLY

1 2 3

• Lift the upper handle until the holes

line up with the lower handle.

•

Insert carriage bolt (T42) from outside in.

• Screw on knob (T12) and fully tighten

the knob at the pivot point.

• Repeat steps 8 and 9 to install the

other upper handle onto the other

lower handle.

• Use throttle clip (T9) to secure the

throttle cable and wire in place on the

lower handle.

• Cap the exposed bolt with an acorn

nut (T13) and tighten with your 7/16”

wrench until snug. Do not over tighten.

• Line it up holes on handle brace (T4)

with the holes on the upper handles.

Insert a cap screw (T15) and a lock nut

(T14) on either side.

• Use a wrench to tighten cap screws

and lock nuts.

• Use wrench to tighten all nuts and

bolts rmly and securely.

9Contact us at www.mantis.com

Assembly (Continued)

• Attach the tine so that the circular hole

slides onto the axle rst.

• When the axle protrudes from the

other side it will line up perfectly

with the D-shaped hole.

4 5

• Position the kickstand brace just above the

bend of the lower handles.

• Position the kickstand under the lower

handles, line up the holes, and thread the

kickstand brace bolts into the kickstand.

•Tighten with the 3/8” wrench.

• Your Mantis tiller will look like

this when lower handle assembly

and kickstand are complete.

KICKSTAND ASSEMBLY

1 2 3

IMPORTANT NOTE:

Be sure you have proper throttle movements and that

the throttle cable is not wrapped or twisted around the

handle bar. Hold down the lockout lever, fully squeeze

the throttle trigger and let go. The throttle triangle must

click in both directions. If there is any doubt, remove

air lter and visually check that the throttle triangle hits

both the idle screw and the full open stop. THIS MUST

BE DONE BEFORE STARTING THE ENGINE.

IMPORTANT NOTE:

Before you use your MANTIS Tiller, read the

Safety Rules & Warnings on pages 3-5

IMPORTANT NOTE:

Make sure you have installed the handles properly.

When you stand behind your tiller, holding the handles,

the fender warning label should face you.

Improper Throttle installation can cause tines to rotate unexpectedly.

7940

TINE ASSEMBLY (Continued)

• Slide a tine retaining pin (T41)

through the hole in the axle to

secure the tine.

• Repeat steps for the other side.

10 Operator’s Manual

Fuel is extremely ammable. Handle it with

care. Keep away from ignition sources. Do not

smoke while fueling your equipment

Do not operate the engine in a conned

space where dangerous carbon monoxide

fumes can collect.

Avoid accidental blade engagement.

Do not squeeze the throttle trigger when starting. Main-

tain proper idle speed adjustment (2500-3100 rpm)

WARNING • DANGER

ALTERNATIVE FUELS, SUCH AS E-15 (20% ETHANOL), E-85 (85% ETHANOL)

OR ANY FUELS NOT MEETING HONDA REQUIREMENTS ARE NOT APPROVED

FOR USE IN GASOLINE ENGINES. USE OF ALTERNATIVE FUELS MAY CAUSE

PERFORMANCE PROBLEMS, LOSS OF POWER, OVERHEATING, FUEL VAPOR

LOCK AND UNINTENDED MACHINE OPERATION, INCLUDING, BUT NOT LIMITED

TO, IMPROPER CLUTCH ENGAGEMENT. ALTERNATIVE FUELS MAY ALSO CAUSE

PREMATURE DETERIORATION OF FUEL LINES, GASKETS, CARBURETORS AND

OTHER ENGINE COMPONENTS.

! !

4-Cycle Tiller Fueling & Starting

4-CYCLE TILLER FUELING AND OIL ONLY

• Rock the tiller forward so that it

rests on the fuel tank.

• It is important to position the tiller

as shown in Figure 1 so the oil

will properly ll the crankcase.

Failure to do so will cause engine

damage.

• Remove the oil plug.

• Pour in 2.7 . oz. of approved,

4-cycle engine oil.

• Always check the oil level before each use. The oil level should

reach the inner rst thread of the reservoir. Do not overll.

• Replace the oil plug.

• Return the unit to the upright position and put the kickstand down.

Fueling your tiller is easy. Unscrew the gas cap and ll the tank about

four-fths of the way with 89 octane unleaded gasoline. Remember to

always drain the gas when transporting the unit from one location to

another.

4-CYCLE TILLER STARTING ONLY

Starting the engine for the rst time, or “cold

starting”, is easy.

• Make sure the start/stop switch on the throttle

handle is in the start position, which is indicated

by the “I” symbol.

• Close the choke by moving the choke lever to the

up (closed) position.

• Press the primer bulb approximately 6 times until he bulb is lled

with gas. Once it is lled, press it two more times.

• Pull the starter cord lightly until you feel resistance, then give it a

short, brisk pull. Your tiller should start immediately. Do not pull

the cord all the way out, and do not let it snap back into the starter

housing.

•

Once it is running, move the choke to the down (open) position.

• To stop the engine, simply push the start/stop switch to the stop

position, which is indicated by the “O” symbol.

• To start a warm engine, follow the same procedure, but leave the

choke lever in the down position and do not pump the primer bulb.

• Before using the tiller, let the engine run for a minute to warm up.

Before shutting it down, let the engine run idle briey to cool down.

OFF ON

Switch

IMPORTANT NOTE:

Check the oil level in the

engine before each use.

If oil is low see your 4

Stroke Tiller Engine Manual

and information at left for

details.

Never use starting uids, as

they will cause permanent

engine damage, and void

the warranty. Before you use

the tiller, read the Safety &

Warning rules on pages 3-5.

IMPORTANT!

It is normal for your 4 stroke engine to smoke for the rst

minute or two of operation. It is not necessary for this to

occur every time. This is a result of the oil being pulled

through the engine for lubrication.

Figure 1

11Contact us at www.mantis.com

4-Cycle Tiller Operation

Read the instructions carefully. Be

familiar with the controls and the

proper use of the equipment.

A SPECIAL FEATURE

Note: With the idle set properly and the

engine running

Even when the engine is running, the

tines won’t turn unless you squeeze the

throttle trigger on the handlebars. When

you release the throttle trigger, the tines

will stop

A TIP FOR EXTENDING

YOUR ENGINE’S LIFE

After you start the engine, let your tiller

warm up for two to three minutes before

you use it. Then, before you put your

tiller away, let it idle for a minute to give

the engine a chance to cool down.

OPERATION

With engine running, and both hands

on the handles, hold down the throttle

lockout trigger (Figure 1), then squeeze

the throttle trigger gradually to increase

the engine speed and engage the tines.

NOTE: This step must be repeated each

time your tiller trigger is released.

NOW YOU’RE READY TO USE

YOUR MANTIS TILLER.

If you’ve used other tillers, your MANTIS Tiller

may surprise you. It tills best when you pull it

backward! When you pull your MANTIS Tiller

backward, you give extra resistance to the

tines, so they dig deeper. (Figure 2)

In addition, when you go backward, you erase

your footprints, so your soil stays light and

uffy. With other tillers, by contrast, you walk

right over the soil you’ve just tilled, packing it

down, so it’s less plantable.

RUN YOUR MANTIS TILLER

LIKE A VACUUM CLEANER

Place your Tiller at the head of the row or

area you want to till, and start it up. Begin

with an easy rocking motion, and pull the

Tiller backward. Then repeat rocking motion,

and pull it backward again. Then, let it move

forward just a little bit, before pulling it

backward again. This will help you till deeper.

Keep repeating these steps until you’ve tilled

an entire row, then start again on the next

row. It’s

much like running a vacuum cleaner!

(Figure 3)

You can even control depth.

For deeper tilling:

Move your Tiller slowly back and forth, as you

would a vacuum cleaner. Work the same area

over and over until you’ve dug to your desired

depth. (Figure 4)

For shallow tilling:

Switch the tines to the cultivating position

(See page 12 to learn how). Then move your

Tiller quickly over your soil surface.

For Big Weeds or Tough Roots:

Let your Tiller rock back and forth over the

tough spot until the tines slice through the

weed or root.

Your MANTIS Tiller Handles Special Tilling

Projects:

Want to turn part of your lawn into a colorful

ower border? Your MANTIS Tiller makes it

easy! Just run your Tiller back and forth until

the sod begins to break up. Then continue

tilling. Your Tiller will chop the clumps of sod

until they’re ne then work them into the soil.

Pretty soon, you’ll have a soft, fresh planting

bed.

Figure 2 Figure 3 Figure 4

Figure 1

WARNING

ALWAYS MAKE SURE THE HANDLE KNOBS ARE

SECURE BEFORE STARTING YOUR MANTIS TILLER.

! !

If engine does not stop when switch is put in the stop position,

release the throttle and allow engine to idle. Put the tiller down

and slide the choke lever to the cold start (closed) position. Do

not use again before product is serviced.

12 Operator’s Manual

YOUR MANTIS TILLER MAKES

WEEDING A PLEASURE!

As a tiller, your MANTIS Tiller works the soil

down to 10” (25.4 cm) deep. But, as a cultivator it

gently cultivates the surface to just 2” to 3” (5.09

cm to 7.62 cm) deep.

To change to cultivating mode, switch the tines to

the weeding (or cultivating) position as described

at right. This takes less than a minute.

In this conguration, your MANTIS Tiller’s sharp

“tine teeth” will slice up those pesky weeds,

burying them as you go along. And since the

tines in this position won’t dig too deep, they

won’t hurt your plants’ precious root systems.

The result? Your Tiller will cut your weeding time

in half and turn a tiresome chore into a pleasure.

HOW TO SWITCH FROM TILLING TO

CULTIVATING POSITION

1. Make sure your Tiller is off.

2. Remove the retaining pins from the tines.

3. Remove the tines from the axle.

4. Place the right-side tine onto the left-side axle,

then place the left side tine onto the right-side

axle. The “D” hole should be to the outside

when the tines are positioned correctly.

5. Reinsert the pins. (Figure 1)

4-Cycle Tiller Operation (Continued)

The operator of this tiller is responsible for

accidents or hazards occurring to himself, oth-

er people or their property.

Never try to remove an obstruction while the engine

is running. Serious injury can result. If your tines get

jammed or entangled, shut off the engine at once.

Remove the obstruction while the engine is off.

For tilling, attach the tines so the points

face forward (away from the operator).

In this position, the tines’ points will

contact the ground rst.

For cultivating, reverse the tines so

the points face backward (toward the

operator). In this position, the long at

part of the tine’s blade will contact the

ground rst.

Tilling Position Cultivating Position

Figure 1

13Contact us at www.mantis.com

Before storing your Mantis Tiller for

any long period, be sure to take these

measures:

1. Do not store your Tiller with fuel still in

it. Even under ideal conditions, stored

fuel containing ethanol or MTBE can

start to go stale in 30 days. Stale fuel

has a high gum content and can clog

the carburetor, restricting fuel ow.

When you’re ready to store your

Tiller, or will not be using it for

more than two weeks, drain the fuel

tank completely.

2. To make sure no fuel is left in the

carburetor, restart the engine. Then

run the engine until it stops. This will

prevent gum deposits from forming

inside of the carburetor and possibly

damaging the engine.

3. Disconnect spark plug wire and

remove the spark plug. Apply a

couple of drops of clean engine oil

into the cylinder. Install the top cover

temporarily. Pull the starter grip

several times to distribute the oil in the

cylinder.

4. Inspect the spark plug. If necessary,

clean it. Replace it with a NGK-

CMR5H spark plug if damaged or

badly fouled, if the sealing washer is

in poor condition or if the electrode is

worn.

5. Replace the spark plug, but leave the

spark plug wire disconnected.

6. Wipe the tines with oil or spray them

with WD-40 to prevent rusting.

7. Oil the throttle cable and all visible

moving parts. (Do not remove the

engine cover.)

8. Clean or replace the air lter.

9. Inspect the fuel lter. If the fuel lter

is dirty, wash it gently with non-

ammable or high ash point solvent.

If the fuel lter is excessively dirty,

replace it.

10. Check the grease level in the worm

gear housing. Add grease if needed.

11. Store your Tiller in an upright position

in a clean, dry place.

You can hang it using the handle

brace, or store with the handles in

an extended position or folded down.

To fold the handles down, loosen the

lower two-pronged knobs until you

can pivot the upper handles down.

(Figure 2)

12. If you have fuel left over from last

season, dispose of it properly. Buy

fresh oil and gasoline next season.

13. Remove Tilling tines or attachments

and lightly oil tine shaft at least once

a year.

4-Cycle Tiller Transportation & Storage

Never store the equipment

with fuel in the tank or in

an area where fumes may

accumulate and breach an

open ame or spark

4-CYCLE TILLER TRANSPORTATION

Transporting your Tiller is easy. It’s light and easy to carry using

the carrying handle as shown in Figure 1.

Or with it running, you can walk it by gently squeezing the

throttle until it moves at a comfortable pace. Your Tiller is also

easily transported in the back of a car or truck. Be sure to empty

the fuel tank (This is crucial)! Then stow your tiller in the trunk of

your car or truck.

CAUTION: You must empty your Tiller’s fuel tank before placing

it in a car or truck.

TILLER STORAGE

Figure 2

WARNING

NEVER CARRY YOUR TILLER AS THE PERSON IN

FIGURE 2 IS DOING. IF YOU DO, YOU WILL SUFFER

SERIOUS INJURY.

! !

IMPORTANT:

It is important to store your 4-Cycle

Mantis Tiller in an upright position.

Laying the Tiller on its side will

cause the oil to leak out of the engine

through the air cleaner case.

IMPORTANT:

Avoid placing the Tiller with the top

cover (engine head) down. This can

allow oil from the crankcase to enter

the combustion chamber and cause

hard starting or a locked piston.

Figure 1

14 Operator’s Manual

4-Cycle Tiller Maintenance

Air Filter

Dipstick

Your 4-Cycle Tiller will require some basic maintenance

to keep it performing year after year.

If you are storing your Tiller for longer than 30 days, it is

very important to empty the fuel tank to prevent engine

damage.

Check engine oil level, air lter and fuel lter.

Refer to your Honda

engine manual for more details.

Fuel Filter

If the engine is overlled, oil will enter the crankcase and will not simply

pour out of the oil ll opening. The excessive oil must be pumped out

as the engine runs. Check the oil level and drain any excess between

multiple 30-second running intervals to bring the oil back to the proper

level.

If you suspect the engine oil is overlled, the following procedure should

remove the excess oil from the crankcase and valve cover.

1. Place the engine on a level surface (resting at on the fuel tank)

and remove the oil ll cap/dipstick. Use a bucket to collect oil that

overows from the oil ll opening.

2. Replace the oil ll cap/dipstick and run the engine for approximately

30 seconds, then repeat step one.

3. Continue steps 1 & 2 until oil no longer overows when the oil ll cap/

dipstick is removed.

4. Once the overlled oil is removed, continue to run the engine. It may

continue to smoke for several minutes while the residual oil burns off.

4-CYCLE PROPER OIL FILL/

LEVEL CHECK POSITION

Engine must be resting on the fuel tank on a

at surface

This position does

not allow for a

proper oil level

reading and may

cause overlling.

4-CYCLE CORRECTIVE ACTION: OVERFILLED ENGINE OIL

15Contact us at www.mantis.com

4-Cycle Tiller Maintenance (Continued)

A wet or dirty air lter can affect the way your engine starts, performs, and wears.

Check your air lter once a month or after every 10 hours of use.

Note: If you work in dusty soil, check your lter more often (for instance, before

each use). Be sure to replace it if its worn out or damaged.

How to Check, Clean, and Change the Air Filter

AIR FILTER MAINTENANCE

Figure 1 Figure 2

1. The air lter is held in the air cleaner in a black housing on the side of the Tiller,

behind the gas tank cap.

2. Squeeze the two locking tabs at the rear of the air cleaner cover (Figure 1) and

swing the cover toward the front of the engine to open it.

3. The air lter is the dark, sponge-like material on the inside of the air cleaner.

4. If the air lter needs to be cleaned (i.e. if it is soiled or moist), or no longer ts

properly, simply remove it by carefully peeling it out of the air cleaner. (Figure 2)

5. To clean the air lter

a. Clean the lter element in warm, soapy water then rinse and allow to dry

thoroughly. It also can be cleaned with a non-ammable solvent.

b. Dip the lter element in clean engine oil then squeeze out any excess oil.

Note: The engine will smoke when started if too much oil is left in the element.

c. Wipe dirt from the air cleaner body and cover using a moist rag. Note: Be

careful to prevent dirt from entering the carburetor.

6. Replace the clean lter inside the air cleaner.

IMPORTANT:

Make sure the lter is “seated”

properly in the cover. The lter

must t snugly inside the open-

ing that holds the lter in place.

Installing the lter incorrectly will

cause engine damage and void

the warranty. Fit the cover back

over the air cleaner and snap the

two locking tabs.

IMPORTANT NOTE:

A dirty air cleaner will restrict air

ow to the carburetor, reducing

engine performance. If you oper-

ate the engine in very dusty areas,

clean the air lter element more

often then specied in the

Maintenance section.

IMPORTANT NOTE:

Operating the engine without an

air lter element, or with a dam-

aged air lter element, will allow

dirt to enter the engine, causing

rapid engine wear. This type of

damage is not covered by the

Limited Warranty

IMPORTANT NOTE:

Check the lip on the Air

Cleaner Cover. If the lip is chipped

or cracked, it should be replaced.

This will prevent dirt from being

drawn through the carburetor into

the inside of the engine.

16 Operator’s Manual

Note: Check the transmission grease level after the

rst 10 hours of use, then check yearly.

With the tines off, remove the transmission plate

(Figure 3) and gasket to see if the grease level is up

to the plate ange (Figure 4). If it is not, you will need

to add lithium zero or lithium one grease.

Wipe off any excess grease and replace the

transmission gasket and plate.

If the tines won’t turn when you press

the throttle, it may mean the engine isn’t

seated all the way down on the worm gear

housing.

If you have been using your Tiller for

several years or if you have removed the

engine for use with our hedge trimmer

attachment and then replaced it, the

ange bolt may have come loose and

lifted the engine up.

In this case you’ll notice a gap between the

bottom of the engine clutch case and the

top of the worm gear housing. (Figure 1)

To eliminate the gap, loosen the ange

bolt and take the engine off the worm gear

housing. Notice the hex head on top of the

drive shaft and locate the clutch drum inside

the clutch case. Make sure the hex head lines up with the

clutch drum inside the clutch case. (Figure 5)

Next, put the engine back on the worm gear housing, making

sure the plastic carrying handle is not under the fuel tank.

If you’ve followed these steps

properly, there will be no gap

between the clutch case and the worm gear housing. (Figure

2) Finally, make sure to tighten the ange bolt.

All other engine maintenance issues are addressed in the

Honda

Engine Manual included in your Tiller package.

Note how the engine doesn’t

sit all the way down on the

transmission.

HOW TO RESEAT THE FLANGE

TRANSMISSION CARE

Note how the engine sits

all the way down on the

transmission.

Hex head on top of the drive shaft

Clutch drum inside the clutch case

4-Cycle Tiller Maintenance (Continued)

Figure 3

Figure 4

Figure 1

Figure 2 Figure5

Gap

No Gap

17Contact us at www.mantis.com

Troubleshooting

Problem Cause Remedy

1. Tines don’t turn when throttle

is depressed

• Engine is not seated properly on the gear housing. • Re-install engine following the instructions on

page 16 “How to reseat the flange.”

2. Engine fails to start

• O/I switch is in “O” position.

• No fuel in tank

• Fuel strainer clogged

• Fuel line clogged

• Spark plug shorted or fouled

• Spark plug is broken (cracked porcelain or

electrodes broken).

• Ignition lead wire shorted, broken or disconnected from

spark plug.

• Ignition inoperative

• Move switch to “I”

• Fill tank.

• Replace strainer.

• Clean fuel line.

• Install new spark plug.

• Replace spark plug.

• Replace lead wire or attach to spark plug.

• Contact your local authorized dealer.

3. Engine hard to start. • Water in gasoline

• Gasket leaks (carburetor or cylinder base gasket).

• Weak spark at spark plug

• Drain entire system and refill with fresh fuel.

• Replace gaskets.

• Contact your local authorized dealer.

4. There is black smoke coming from

exhaust

• The muffler screen is clogged. • Clean carbon from muffler screen.

See engine manual.

5. Engine misses. • Dirt in fuel line or carburetor

• Carburetor improperly adjusted

• Spark plug fouled, broken or incorrect

gap setting

• Weak or intermittent spark at spark plug

• Remove and clean.

• See “Carburetor Adjustment” in engine manual.

• Clean or replace spark plug - set

gap to .024-.028

in. (0.6-0.7 mm).

• Contact your local authorized dealer.

6. Engine lacks power. • Air filter clogged

• Muffler clogged

• Spark Arrestor Clogged

• Poor compression

• Clean or replace air filter (page 15).

• Clean carbon from muffler, see engine manual.

• Clean Spark Arrestor; see engine manual.

• Contact your local authorized dealer.

7. Engine overheats. • Air flow obstructed • Clean flywheel cylinder fins and screen.

See engine manual.

8. Engine noisy or knocking. • Spark plug in incorrect heat range

• Bearings, piston ring or cylinder walls are worn.

• Replace with plugs specified for engine.

• Contact your local authorized dealer.

9. Engine stalls under load. • Engine overheats. • Remove dust and dirt from between fins.

18 Operator’s Manual

4-Cycle Tiller Assembly

T46

T25

T45

T26

T40

Model 7940_4-CYCLE TILLER WITH KICKSTAND

EXPLODED VIEW

T31

T32

T36

T38

T41

T33

T35

T36

T34

T37

T38

T29

T27

T37

T28

T30

T35

T24

T23

T39

T41

T12

T11

T16

T17

22*

T20

T42

T12

T13

T14

T42

Rev B, 03/20/2014

T43

T52

T53

T14

T15

T14

T15

T10

T18

T21

T47

T50

T51

T49

T48

T44

19Contact us at www.mantis.com

Key Qty. Part No. Description

T1 1

430070 Trigger Handle Assembly, 4 Cycle Engine, Right

430071 Handle Assembly, Left

430082 Lower Handle W/Plug

430084 Handle Brace Assembly

377 Handle Clamp

4078 M6 Jam Nut

478 Throttle Clip

T10

400315 Carry Handle

T11 2

470 Bolt 1/4-20 X 3”

T12

400523 Knob, Two Prongs, Female

T13

395 Acorn Nut

T14

972 1/4-20 Two-Way Lock Nut

T15

2 144-2

1/4-20 X 1.125 Hex Head Cap Screw

T16

140 Bolt 1/4-20 X 3/8” Long

T17

430058 Mantis Logo Label

T18

4079 M6 Internal Lock Washer

T20

430207 Fender Guard with Label

T21

400911 Engine Assembly-25Cc Honda1

T22*

468 Drive Shaft

T23

466 Worm Gear Housing

T24

436 Gasket

T25

437A Gear Housing Cover

T26

651 #8 Self Tapping Screw

T27

423 Roller Bearing

T28

425 Worm Bearing Race

Key Qty. Part No. Description

T29

424 Worm Thrust Bearing

T30

422 Worm Shaft

T31 1

426 Worm Disk

T32 1

428 Retaining Ring

T33

429 Worm Gear

T34

431 Tine Shaft

T35

430 Worm Gear Thrust Washer

T36

432 Worm Gear Bearing

T37

434 Bearing Seal

T38

435 Bearing Seal Retainer

T39

438RA Tine Assembly, Right

T40

438LA Tine Assembly, Left

T41

418-1 Tine Retaining Pin

T42

430039 Carriage Bolt 1/4-20 X 2.25”

T43

430043 Ground Wire Jumper, 4 Cycle Engine

T44

400631 Triangle Warning Label (4 Cycly Engine)

T45

458 Roller Bearing

T46

400010 Transmission Assembly1

T47 1

400131

Clutch Drum

T48 1

400132

Bearing

T49

400130 Engine Flange

T50

400511 M6 X 12 Flange Bolt

T51 1

910502

10-32 X 3/4” Flange Bolt

T52 1

410158

Kickstand, Stand Assembly

T53 1

410113

Kickstand, Bracket And Hardware

*Also in key T46

Parts List

MANTIS extends this limited warranty against defects in material and workmanship for a period of ve (2) years under normal

usage for residential purposes and two (2) years under normal usage for commercial purposes, from the date of purchase by

the original purchaser.

MANTIS will repair or replace, at its option, any part or parts of the product found to be defective in material or workmanship

during the warranty period. Warranty repairs and replacements will be made without charge for parts or labor. All parts replaced

under warranty will be considered as part of the original product, and any warranty on the replaced parts will expire coincident

with the original product warranty. If you think your MANTIS TILLER is defective in material or workmanship, please contact

customer service at 800-366-6268 for the location of an authorized servicing dealer or repair center. You will be responsible for

pickup and delivery charges.

If your tiller has a [Honda] engine, this limited warranty does not cover the [Honda] engine which is warranted separately by the

engine manufacturer.

MANTIS assumes no responsibility in the event that the product was not assembled or used in compliance with any assembly,

care, safety, or operating instructions contained in the Operators Manual or accompanying the product. This limited warranty

does not cover damages or defects due to normal wear and tear, lack of reasonable and proper maintenance, failure to follow

operating instructions or operators manual, misuse, lack of proper storage or accidents. This limited warranty shall not be effective

if your Mantis tiller has been subjected to negligence or has been repaired or altered by anyone other than an authorized dealer

or authorized service center.

You must maintain your MANTIS TILLER by following the maintenance procedures described in the operators manual. Such

routine maintenance, whether performed by you or a dealer, is at your expense.

MANTIS MAKES NO EXPRESS OR IMPLIED WARRANTIES, REPRESENTATIONS OR PROMISES EXCEPT THOSE

CONTAINED HEREIN. THERE ARE NO OTHER WARRANTIES, INCLUDING WARRANTIES OF MERCHANTABILITY AND

FITNESS FOR A PARTICULAR PURPOSE. ALL WARRANTIES OTHER THAN THE EXPRESS WARRANTY SET FORTH ABOVE

ARE SPECIFICALLY DISCLAIMED. THE DURATION OF ANY IMPLIED WARRANTY, INCLUDING MERCHANTABILITY AND

FITNESS FOR A PARTICULAR PURPOSE, IS LIMITED TO THE DURATION OF THIS WRITTEN LIMITED WARRANTY. MANTIS

DISCLAIMS ALL LIABILITY FOR INDIRECT, INCIDENTAL AND/OR CONSEQUENTIAL DAMAGES IN CONNECTION WITH

THE USE OF THE MANTIS PRODUCTS COVERED BY THIS WARRANTY. SOME STATES DO NOT ALLOW LIMITATIONS ON

HOW LONG AN IMPLIED WARRANTY LASTS AND/OR DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL

OR CONSEQUENTIAL DAMAGES, SO THAT ABOVE LIMITATIONS AND EXCLUSIONS MAY NOT APPLY TO YOU. THIS

WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM

STATES TO STATE.

MANTIS

1028 Street Road

Southampton, PA 18966

(215) 355-9700

LIMITED WARRANTY

Specications, descriptions, and illustrative material in this literature are as accurate as known at the time of publication, but are

subject to change without notice.

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Mantis 7940 Le manuel du propriétaire

Marque: Mantis

Modèle: 7940

Catégorie: Mini motoculteurs

Taper: Le manuel du propriétaire

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