RedMax CHTZ2500 Manuel utilisateur

The engine exhaust from this product

contains chemicals known to the State

of California to cause cancer, birth

defects or other reproductive harm.

WARNING

HTZ2500

CHTZ2500

OWNER/OPERATOR MANUAL

HEDGE-TRIMMERS

HTZ2500

CHTZ2500

Thank you for purchasing a RedMax

product.

Before using our hedge-trimmers,

please read this manual carefully to

understand the proper use of your unit.

T1501-93110 (204)

APPLICABLE SERIAL NUMBERS : 100101 and up

SAFETY FIRST

Instructions contained in warnings within this

manual marked with a symbol concern

critical points which must be taken into

consideration to prevent possible serious

bodily injury, and for this reason you are

requested to read all such instructions

carefully and follow them without fail.

■ WARNINGS IN THE MANUAL

This mark indicates instructions which must be

followed in order to prevent accidents which could

lead to serious bodily injury or death.

This mark indicates instructions which must be

followed, or it leads to mechanical failure,

breakdown, or damage.

This mark indicates hints or directions useful in the

use of the product.

NOTE

IMPORTANT

WARNING

CONTENTS

1. Parts location …………………………………4

2. Specifications …………………………………5

3. Warning labels on the machine ……………6

4. Symbols on the machine ……………………7

5. For safe operation ……………………………8

6. Fuel……………………………………………14

7. Operation ……………………………………16

8. Maintenance …………………………………20

9. Storage ………………………………………24

10. Troubleshooting guide………………………24

11. Parts list………………………………………25

1. Parts location

1

2

3

4

5

6

7

8

9

10

11

[ HTZ2500 ]

[ CHTZ2500 ]

3

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4

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1. Right handle

2. Fuel tank

3. Starter

4. Left handle

5. Throttle lever

6. Ignition switch

7. Throttle Cable

8. Muffler

9. Blade

10. Front handle

11. Rear handle

2. Specifications

Engine Type······················································································ Air-cooled 2-stroke gasoline

Model········································································································ Zenoah GZ25N

Displacement ······················································································· 1.6cu-in (25.4cm

3

)

Max. output ··································································· 1.2Hp (0.9kW)at 7500/min

-1

(rpm)

Idle speed························································································3000 ± 200/min

-1

(rpm)

Fuel ······················································································ Mixture (Gasoline 50 : Oil 1)

Carburetor ··················································································· Walbro Diaphragm type

Spark plug·····································································································NGK CMR7A

Fuel tank capacity·······························································································17.9 fl.oz (0.53 )

Durability period··················································································································300hrs.

■ HTZ2500

Type······································································Reciprocating single-sided dual blades

Blade size······························································································750 (mm) / 30 (in)

Blade pitch····························································································41 (mm) / 1.62 (in)

Dry weight····························································································5.5 (kg) / 12.1 (lbs)

Transmission ······································································Centrifugal clutch, Cam-crank

Reduction ratio··········································································································4.417

■ CHTZ2500

Type ····································································Reciprocating double-sided dual blades

Blade size······························································································600 (mm) / 24 (in)

Blade pitch····························································································41 (mm) / 1.62 (in)

Dry weight····························································································5.5 (kg) / 12.1 (lbs)

Transmission ······································································Centrifugal clutch, Cam-crank

Reduction ratio··········································································································4.417

Specifications are subject to change without notice.

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(1)Read owner's manual before operating this machine.

(2)Wear head, eye and ear protection.

If warning label peel off or become soiled and impossible to read, you should contact the dealer

from which you purchased the product to order new labels and affix them in the required

location(s).

Never modify your machine.

We won't warrant the machine, if you use the remodeled hedge-trimmer or you don't

observe the proper usage written in the manual.

WARNING

IMPORTANT

3. Warning labels on the machine

For safe operation and maintenance, symbols are

carved in relief on the machine. According to these

indications, please be careful not to make a

mistake.

(a)The port to refuel the "MIX GASOLINE"

Position: FUEL TANK CAP

(b)The direction to close the choke

Position: AIR CLEANER COVER

(c) The direction to open the choke

Position: AIR CLEANER COVER

4. Symbols on the machine

IMPORTANT ENGINE INFORMATION

THIS ENGINE MEETS U.S. EPA PH2 AND 2001

CALIFORNIA EMISSION REGULATIONS FOR SI

SORE’s COMPLIANCE PERIOD : CATEGORY A

ENGINE FAMILY : 1KZXS.0254QR ; EM

ENGINE DISPLACEMENT : 25.4cc

REFER TO OWNER’S MANUAL FOR MAINTE-

NANCE SPECIFICATIONS AND ADJUSTMENTS.

KOMATSU ZENOAH CO. MADE IN JAPAN

Use RedMax 50:1 Oil

!

Ce moteur est conformc aux normcs U.S. EPA PH2 et 2001

ainsi qu’aux autres dispositions ultérieures de la réglementation

concernant la pollution de l’air pour les petits moteurs tout-terrain

avec une période de accordable : CATEGORY A

Type de moteur : 1KZXS.0254QR :EM

Cylindrée du moteur : 25,4cc

Se référer au Manuel de l’utilisateur pour les

spécifications d’entretien et les réglages.

KOMATSU ZENOAH CO. MADE IN JAPAN

INFORMATION IMPORTANTE CONCERNANT LE MOTEUR

Use RedMax 50:1 Oil

!

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8

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5. For safe operation

1.Read this manual carefully until you

completely understand and follow all safety

and operating instructions.

2. Keep this manual handy so that you may refer

to it later whenever any questions arise. Also

note, if you have any questions which cannot

be answered herein, contact the dealer from

whom you purchased the product.

3. Always be sure to include this manual when

selling, lending, or otherwise transferring the

ownership of this product.

4. Never allow children or anyone unable to fully

understand the directions given in the manual

to use the machine.

■ WORKING CONDITION

1. When using the product, you should wear proper

clothing and protective equipment.

(1)Helmet

(2)Ear protectors

(3)Protection goggles or face protector

(4)Thick work gloves

(5)Non-slip-sole work boots

2. And you should carry with you.

(1)Attached tools

(2)Properly reserved fuel

(3)Spare blade

(4)Things to notify your working area (rope,

warning signs)

(5)Whistle (for collaboration or emergency)

(6)Hatchet or saw (for removal of obstacles)

3. Do not wear loose clothing, jewelry, short

trousers, sandals, or go barefoot. Do not wear

anything which might be caught by a moving

part of the unit. Secure hair so it is above

shoulder length.

■ WORKING CIRCUMSTANCE

1. Never start the engine inside a closed room or

building. Exhaust gases contain dangerous

carbon monoxide.

2. Never use the product,

a. when the ground is slippery or when you can’t

maintain a steady posture.

b. At night, at times of heavy fog, or at any other

times when your field of vision might be

limited and it would be difficult to gain a clear

view of the working area.

c. During rain storms, during lightning storms, at

times of strong or gale-force winds, or at any

other times when weather conditions might

make it unsafe to use the product.

■ WORKING PLAN

1. You should never use the product when under

the influence of alcohol, when suffering from

exhaustion or lack of sleep, when suffering from

drowsiness as a result of having taken cold

medicine or at any other time when a possibility

exists that your judgment might be impaired or

that you might not be able to operate the product

properly and in a safe manner.

2. When planning your work schedule, allow plenty

of time to rest. Limit the amount of time over

which the product is to be used continuously to

somewhere around 30~40 minutes per session,

and take 10~20 minutes of rest between work

sessions. Also try to keep the total amount of

work performed in a single day under 2 hours or

less.

1. If you don’t observe the working time, or

working manner (See ■USING THE

PRODUCT), Repetitive Stress Injury(RSI)

could occur.

If you feel discomfort, redness and swelling

of your fingers or any other part of your

body, see a doctor before getting worse.

2. To avoid noise complaints, in general,

operate product between 8a.m. and 5p.m. on

weekdays and 9a.m. to 5p.m. weekends.

Check and follow the local regulations as to sound

level and hours of operations for the product.

NOTE

WARNING

5. For safe operation

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9

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10

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■ BEFORE STARTING THE ENGINE

1. The area within a perimeter of 50 feet (15m) of

the person using the product should be

considered a hazardous area into which no one

should enter. If necessary yellow warning rope,

warning signs should be placed around the

perimeter of the area. When work is to be

performed simultaneously by two or more

persons, care should also be taken to constantly

look around or otherwise check for the presence

and locations of other people working so as to

maintain a distance between each person

sufficient to ensure safety.

2. Check the condition of working area to avoid any

accident by hitting hidden obstacles such as

stumps, stones, cans, or broken grass.

Remove any obstacle before beginning work.

3. Inspect the entire unit for loose fasteners and

fuel leakage. Make sure that the cutting

attachment is properly installed and securely

fastened.

■ STARTING THE ENGINE

1. Keep bystanders and animals at least 50feet

(15m) away from the operating point. If you are

approached, immediately stop the engine.

2. The product is equipped with a centrifugal clutch

mechanism, so the cutting attachment begins to

rotate as soon as the engine is started by putting

the throttle into the start position. When starting

the engine, place the product onto the ground in

a flat clear area and hold it firmly in place so as

to ensure that neither the cutting part nor the

throttle come into contact with any obstacle

when the engine starts.

IMPORTANT

5. For safe operation

Never place the throttle into the high speed

position when starting the engine.

3. After starting the engine, check to make sure

that the cutting attachment stops rotating when

the throttle is moved fully back to its original

position. If it continues to rotate even after the

throttle has been moved fully back, turn off the

engine and take the unit to your authorized Red

Max servicing dealer for repair.

■ USING THE PRODUCT

Cut only materials recommended by the

manufacturer. And use only for tasks explained

in the manual.

1. Grip the handles firmly with both hands using

your whole hand. Place your feet slightly apart

(slightly further apart than the width of your

shoulders) so that your weight is distributed

evenly across both legs, and always be sure to

maintain a steady, even posture while working.

2. Maintain the speed of the engine at the level

required to perform cutting work, and never raise

the speed of the engine above the level

necessary.

3. If the unit start to shake or vibrate, turn off the

engine and check the whole unit. Do not use it

until the trouble has been properly corrected.

4. Keep all parts of your body away from rotating

cutting attachment and hot surfaces.

5. Never touch the muffler, spark plug, or other

metallic parts of the engine while the engine is in

operation or immediately after shutting down the

engine. Doing so could result in serious burns or

electrical shock.

IMPORTANT

WARNING

5. For safe operation

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11

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12

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• IF SOMEONE COMES

1. Guard against hazardous situations at all times.

Warn adults to keep pets and children away

from the area. Be careful if you are approached.

Injury may result from flying debris.

2. If someone calls out or otherwise interrupts you

while working, always be sure to turn off the

engine before turning around.

■ MAINTENANCE

1. In order to maintain your product in proper

working order, perform the maintenance and

checking operations described in the manual at

regular intervals.

2. Always be sure to turn off the engine before

performing any maintenance or checking

procedures.

The metallic parts reach high temperatures

immediately after stopping the engine.

3. When replacing the cutting attachment or any

other part, or when replacing the oil or any

lubricant, always be sure to use only RedMax

products or products which have been

certified by RedMax for use with the RedMax

product.

4. In the event that any part must be replaced or

any maintenance or repair work not described in

this manual must be performed, please contact a

representative from the store nearest RedMax

authorized servicing dealer for assistance.

5. Do not use any accessory or attachment other

than those bearing the RedMax mark and

recommended for the unit.

6. Under no circumstances should you ever take

apart the product or alter it in any way. Doing so

might result in the product becoming damaged

during operation or the product becoming unable

to operate properly.

WARNING

5. For safe operation

■ HANDLING FUEL

1. The engine of the RedMax product is designed

to run on a mixed fuel which contains highly

flammable gasoline. Never store cans of fuel or

refill the tank of the unit in any place where there

is a boiler, stove, wood fire, electrical sparks,

welding sparks, or any other source of heat or

fire which might ignite the fuel.

2. Never smoke while operating the unit or refilling

its fuel tank.

3. When refilling the tank, always turn off the

engine and allow it to cool down. Take a careful

look around to make sure that there are no

sparks or open flames anywhere nearby before

refueling.

4. Wipe spilled fuel completely using a dry rag if

any fuel spillage occurs during refueling.

5. After refueling, screw the fuel cap back tightly

onto the fuel tank and then carry the unit to a

spot 10feet (3m) or more away from where it

was refueled before turning on the engine.

■ TRANSPORTATION

1. When hand-carrying the product, cover over the

cutting part if necessary, lift up the product and

carry it paying attention to the blade.

2. Never transport the product over rough roads

over long distances by vehicle without removing

all fuel from the fuel tank. If doing so, fuel might

leak from the tank during transport.

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• Gasoline is very flammable. Avoid smoking

or bringing any flame or sparks near fuel.

Make sure to stop the engine and allow it

cool before refueling the unit. Select outdoor

bare ground for fueling and move at least

3m(10ft) away from the fueling point before

starting the engine.

• The RedMax engines are lubricated by oil

specially formulated for air-cooled 2-cycle

gasoline engine use. If RedMax oil is not

available, use an anti-oxidant added quality oil

expressly labeled for air-cooled 2-cycle engine

use. (JASO FC GRADE OIL or ISO EGC

GRADE)

RECOMMENDED MIXING RATIO

GASOLINE 50:OIL 1

• Exhaust emission are controlled by the

fundamental engine parameters and

components(eq., carburation, ignition timing

and port timing) without addition of any

major hardware or the introduction of an

inert material during combustion.

• These engines are certified to operate on

unleaded gasoline.

• Make sure to use gasoline with a minimum

octane number of 90 ROZ(USA/Canada : pump

octane min.87)

• Unleaded gasoline is recommended to reduce

the contamination of the air for the sake of your

health and the environment.

• Poor quality gasolines or oils may damage

sealing rings, fuel lines or fuel tank of the

engine.

■ HOW TO MIX FUEL

1. Measure out the quantities of gasoline and oil to

be mixed.

2. Put some of the gasoline into a clean, approved

fuel container.

3. Pour in all of the oil and agitate well.

4. Pour in the rest of gasoline and agitate again for

at least one minute.

5. Put a clear indication on the outside of the

WARNING

50:1 MIXING CHART

GASOLINE gal. 1 2 3 4 5

2-CYCLE OIL fl.oz 2.6 5.2 7.8 10.4 13

GASOLINE liter 1 2 3 4 5

2-CYCLE OIL ml 20 40 60 80 100

6. Fuel

container to avoid mixing up with gasoline or

other containers.

6. Indicate the contents on outside of container for

easy identification.

■ FUELING THE UNIT

1. Untwist and remove the fuel cap. Rest the cap

on a dustless place.

2. Put fuel into the fuel tank to 80% of the full

capacity.

3. Fasten the fuel cap securely and wipe up any

fuel spillage around the unit.

1. Select bare ground for fueling.

2. Move at least 10 feet (3 meters) away from the

fueling point before starting the engine.

3. Stop the engine before refueling the unit.

FOR YOUR ENGINE LIFE, AVOID;

1. FUEL WITH NO OIL(RAW GASOLINE) – It will

cause severe damage to the internal engine

parts very quickly.

2. GASOHOL – It can cause deterioration of rubber

and/or plastic parts and disruption of engine

lubrication.

3. OIL FOR 4-CYCLE ENGINE USE or WATER

COOLED 2-CYCLE ENGINE USE – It can

cause spark plug fouling, exhaust port blocking,

or piston ring sticking.

4. Mixed fuels which have been left unused for

a period of one month or more may clog the

carburetor and result in the engine failing to

operate properly.

WARNING

6. Fuel

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■ STARTING ENGINE

The cutting head will start rotating upon the

engine starts.

1. Rest the unit on a flat, firm place. Keep the

cutting head off the ground and clear of

surrounding objects as it will start rotating upon

starting of the engine.

2. Push the primer pump several times until

overflown fuel flows out in the clear tube. (OP1)

3. Move the choke lever to the closed position.

(OP2)

4. Set the ignition switch to the “START” position.

(OP3)

(1) primer pump

(2) choke lever

(3) close

(4) open

(5) ignition switch

(6) throttle lever

5. Holding the hedge-trimmer down, pull the

starting rope slowly until you meet resistance

(OP4). Then operatel hard several times, and

when the engine starts, wait for about 10

seconds and then pull the throttle lever (OP3(6)),

the choke lever (OP2(2)) will return automatically

to the original “OPEN” position.

Use the semi-acceleration device only in the

phase of starting the engine.

• Avoid pulling the rope to its end or returning it by

releasing the knob. Such actions can cause

starter failures.

IMPORTANT

WARNING

7. Operation

[HTZ2500]

[CHTZ2500]

OP4

(1)

OP1

(2)

(4)

(3)

OP2

(5)

(6)

OP3

7. Operation

1. When restarting the engine immediately after

stopping it, leave the choke open.

2. Overchoking can make the engine hard to start

due to excess fuel. When the engine failed to

start after several attempts, open the choke and

repeat pulling the rope, or remove the spark plug

and dry it.

■ STOPPING ENGINE (OP3)

1. Release the throttle lever and run the engine for

a half minute.

2. Shift the ignition switch to the “STOP” position.

• Except for an emergency, avoid stopping the

engine while pulling the throttle lever.

RUNNING IN THE ENGINE

• During the first 20 working hours, do not use the

hedge-trimmer at maximum power for long

periods.

■ ADJUSTING IDLING SPEED

• Before adjusting the carburetor, clean the air

filter and warm up the engine. (OP5)

(1) air filter

• Idle screw is adjusted in order to ensure a good

safety margin between idle running and clutch

engagement. (OP6)

(1) Idle screw

With the engine idling (3200 rpm), the blade

should not rotate. We recommend that you

have the dealer or an authorised mechanic

carry out any carburetor adjustments.

WARNING

IMPORTANT

NOTE

(1)

OP5

(1)

OP6

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• Weather conditions and altitude may effect

carburation.

• Do not allow anyone to stay close to the

hedge-trimmer while working or while

adjusting the carburetor.

■ HOW TO USE

HANDLE (CHTZ2500 only)

To reduce fatigue when trimming hadges, the

handle can be swivelled through 90° to the left or

right. (OP7, OP8).

Do not press the throttle during this operation!

Proceed as follows:

1. Free the handle by pressing the locking lever;

(OP7)

2. Turn the handle until the locking lever clicks into

place;

3. When the handle is locked in its new position,

you can apply the throttle again.

(1) handle

(2) locking lever

You can swivel the handle even with the engine

idling because the hedge-trimmer is equipped with

a blade brake that maintains the blades at a

standstill.

WARNING

7. Operation

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18

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OP8

(2)

(1)

90°

OP7

7. Operation

OP9

OP11

OP12

OP10

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HEDGE TRIMMING TECHNIQUES

Trim sides of a hedge first, and then the top.

Vertical cut:

• With the single-sided blade hedge-trimmer,

model HTZ2500 always cut from the bottom up

(OP9). With the 2-sided blade model CHTZ2500

use an arcing cut from the bottom upwards, then

downwards to use both sides of the blades

(OP10).

Horizontal cut:

• In order to get the best cutting results, slightly tilt

the blade (5÷10°) towards the cutting direction

(OP11, OP12).

Cut slowly, specially with thick hedges.

Always follow the safety precautions.

The hedge-trimmer must only be used to trim

hedges or small bushes. It is forbidden to cut

other types of material. Do not use the hedge-

trimmer as a lever to lift, move or break objects,

nor lock it on fixed supports. It is forbidden to

apply tools or applications that are not the

ones indicated by the manufacturer onto the

hedge-trimmer’s power take-off. Do not use it

for pruning trees or cutting grass.

WARNING

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8. Maintenance

every every every

25 50 100

system/compornent procedure before hours hours hours note

use after after after

fuel leaks, fuel spillage wipe out ✔

fuel tank, air filter, fuel filter inspect/clean ✔✔ replace, if necessary

see

■ADJUSTING

replace carburetor

idle adjusting screw ✔

IDLING SPEED (p.17)

if necessary

clean and readjust

GAP: .025in(0.6~0.7mm)

spark plug ✔

plug gap replace, if necessary

cylinder fins, intake air cooling vent clean ✔

muffler, spark arrester, cylinder exhaust port

clean ✔

throttle lever, ignition switch check operation ✔

replace if

cutting parts ✔

something's wrong

gear case grease ✔

screws/nuts/bolts tighten/replace ✔✔not adjusting screws

blade guard make sure to attach ✔

■ MAINTENANCE CHART

ENGINESHAFT

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