Hilti DX 351 BT Manuel utilisateur

Marque: Hilti

Modèle: DX 351 BT

Catégorie: Cloueuse

Taper: Manuel utilisateur

enOperating instructions

Mode d’emploi fr

DX 351 BT/BTG

321

DX 351

씌

씋씊씈 씉

씍씎 씏

쐃 쐇 쐋 쐏 쐄 쐂 쐆

쐊 쐎 쐅

쐉

쐈

DX 351 BTG

DX 351 BT

debris

water

oil etc.

Trec

> 6

[0.236"]

> 6

[0.236"]

> 15

[0.591"]

> 15

[0.591"]

≥ 8 mm [5/16″]

L



HG



8mm

[5/16"]

13 14 15

TX-BT 4/7

7.2 mm

Sichtbarer Ring

Visible ring

Cercle visible

Aro visible

≥ 12 mm

[0.472"]

≥ 6 mm

[0.236"]

360

24 25

ORIGINAL OPERATING INSTRUCTIONS

DX351 BT/BTG powder-actuated tool

Description of main parts 

쐃Fastener guide

쐇Threaded sleeve

쐋Piston return spring

쐏Cartridge strip ejector

쐄Ventilation slots

쐂Power regulation indicator

쐆Power regulation wheel

쐊Housing, black

쐎Trigger

쐅Grip

쐈Cartridge guideway

쐉Grip pad

Tool components 

씈Fastener guide*

씉Piston brake

씊Piston*

씋Piston return spring

씌Piston guide

씍Casing, black

씎Piston stop, right

씏Piston stop, left

* These parts may be replaced by the user.

Contents Page

1. Safety precautions 1

2. General information 3

3. Technical description 3

4. Insert tools and accessories 4

5. Technical data 6

6. Before use 6

7. Operation 6

8. Care and maintenance 8

9. Troubleshooting 10

10. Disposal 13

11. Manufacturer's warranty – DX tools 13

12. EC declaration of conformity (original) 13

13. CIP approval mark 14

14. Health and safety of the user 14

It is essential that the operating instructions

are read before the tool is operated for the

first time.

Always keep these operating instructions

together with the tool.

Ensure that the operating instructions are

with the tool when it is given to other per-

sons.

1.1 Basic safety instructions

In addition to the safety precautions listed in the indi-

vidual sections of these operating instructions, the

following points must be strictly observed at all times.

1.2 Only use Hilti cartridges or cartridges of

equivalent quality

The use of cartridges of inferior quality in Hilti tools may

lead to build-up of unburned powder, which may explo-

de and cause severe injuries to operators and bystan-

ders. At a minimum, cartridges must either:

a) Be confirmed by their supplier to have been suc-

cessfully tested in accordance with EU standard EN

16264

NOTE:

●All Hilti cartridges for powder-actuated tools have

been tested successfully in accordance with EN 16264.

●The tests defined in the EN 16264 standard are system

tests carried out by the certification authority using

specific combinations of cartridges and tools.

The tool designation, the name of the certification aut-

hority and the system test number are printed on the

cartridge packaging.

b) Carry the CE conformity mark (mandatory in the EU

as of July 2013).

See packaging sample at:

www.hilti.com/dx-cartridges

1.3 Use as intended

The DX351BT and DX351BTG are designed for pro-

fessional use in fastening applications in construction

where X-BT threaded studs are driven into steel.

1.4 Improper use

●Operate the tool only in well-ventilated working areas.

●Manipulation or modification of the tool is not per-

missible.

●Do not operate the tool in an explosive or flamma-

ble atmosphere, unless the tool is specially approved

for such use.

●Use only original Hilti fasteners, cartridges, acces-

sories and spare parts or those of equivalent quality.

●Observe the information printed in the operating

instructions concerning operation, care and mainte-

nance.

1. Safety precautions

●Never point the tool at yourself or any bystander.

●Never press the muzzle of the tool against your hand

or other part of your body.

●Do not drive nails into excessively hard or brittle

materials such as glass, marble, plastic, bronze, brass,

copper, natural rock, insulation material, hollow brick,

glazed tile, thin-gauge sheet metal (< 4 mm), grey cast

iron, spheroidal cast iron and gas concrete.

1.5 Technology

●This tool is designed with the latest available tech-

nology.

●The tool and its ancillary equipment may present

hazards when used incorrectly by untrained person-

nel or not as directed.

1.6 Making the workplace safe

●Ensure that the workplace is well lit.

●Objects which could cause injury should be removed

from the working area.

●Operate the tool only in well-ventilated working areas.

●The tool is for hand-held use only.

●Avoid unfavorable body positions. Work from a

secure stance and stay in balance at all times

●Keep other persons, children in particular, outside

the working area.

●Before using the tool, make sure that no one

is standing behind or below the point where fasteners

are to be driven.

●Keep the grip dry, clean and free from oil and grease.

1.7 General safety precautions

●Operate the tool only as directed and only when it

is in faultless condition.

●If a cartridge misfires or fails to ignite, proceed as

follows:

1. Keep the tool pressed against the working surface

for 30 seconds.

2. If the cartridge still fails to fire, withdraw the tool

from the working surface, taking care that it is not

pointed towards your body or bystanders.

3. Manually advance the cartridge strip one cartridge.

Use up the remaining cartridges on the strip. Remove

the used cartridge strip and dispose of it in such a

way that it can be neither reused nor misused.

●Never attempt to pry a cartridge from the magazine

strip or the tool.

●Keep the arms flexed when the tool is fired (do not

straighten the arms).

●Never leave the loaded tool unattended.

●Always unload the tool before beginning cleaning,

servicing or changing parts and before storage.

●Unused cartridges and tools not presently in use

must be stored in a place where they are not exposed

to humidity or excessive heat. The tool should be trans-

ported and stored in a toolbox that can be locked or

secured to prevent use by unauthorized persons.

1.8 Temperature

●Do not disassemble the tool while it is hot.

●Never exceed the recommended maximum fasten-

er driving rate (number of fastenings per hour). The

tool may otherwise overheat.

●Should the plastic cartridge strip begin to melt, stop

using the tool immediately and allow it to cool down.

1.9 Requirements to be met by users

●The tool is intended for professional use.

●The tool may be operated, serviced and repaired

only by authorised, trained personnel. This personnel

must be informed of any special hazards that may be

encountered.

●Proceed carefully and do not use the tool if your full

attention is not on the job.

●Stop working with the tool if you feel any pain or

discomfort.

1.10 Personal protective equipment

●The operator and other persons in the immediate

vicinity must always wear approved eye protection, a

hard hat and suitable ear protection.

3. Technical description

The Hilti DX351BT and DX351BTG are powder-actuat-

ed fastening tools for driving X-BT threaded studs into

steel.

The tool works on the well-proven piston principle and

is therefore not related to high-velocity tools. The pis-

ton principle provides an optimum of working and fas-

tening safety. The tool works with cartridges of 6.8/11

caliber.

Piston return and cartridge transport is fully automatic.

This permits fastenings to be made very quickly and

economically with nails and threaded studs.

As with all powder-actuated tools, the tool, magazine,

fastener program and cartridge program form a “tech-

nical unit”. This means that optimal fastening with this

system can only be achieved if the fasteners and car-

tridges are specially manufactured for it, or products of

equivalent quality, are used. The fastening and applica-

tion recommendations given by Hilti are only applicable

if these conditions are observed.

The tool features 5-way safety – for the safety of the

operator and bystanders.

The piston principle

The energy from the propellant charge is transferred to

a piston, the accelerated mass of which drives the fastener

into the base material. As approximately 95 % of the

kinetic energy is absorbed by the piston, the fastener is

driven into the base material at much reduced velocity

(less than 100 m/sec.) in a controlled manner. The dri-

ving process ends when the piston reaches the end of

its travel. This makes dangerous through-shots virtual-

ly impossible when the tool is used correctly.

2.1 Signal words

-WARNING-

The word WARNING is used to draw attention to a poten-

tially dangerous situation which could lead to severe

personal injury or death.

-CAUTION-

The word CAUTION is used to draw attention to a poten-

tially dangerous situation which could lead to minor per-

sonal injury or damage to the equipment or other prop-

erty.

-NOTE-

Used to draw attention to an instruction or other useful

information.

2.2 Pictograms

The numbers refer to the illustrations. The illustra-

tions can be found on the fold-out cover pages. Keep

these pages open while you read the operating instruc-

tions.

In these operating instructions, the designation “the

tool” always refers to the DX351BT/BTG powder-actu-

ated tool.

Location of identification data on the tool

The type designation and the serial number are printed

on the type plate on the tool. Make a note of this infor-

mation in your operating instructions and always refer

to it when making an enquiry to your Hilti representa-

tive or service department.

Type: DX351BT/BTG

Serial no.:

Warning signs

General

warning Warning:

hot surface Read the opera-

tion instructions

before use

Return waste

material for

recycling

Obligation signs

Wear eye

protection Wear a

safety helmet Wear ear

protection

Symbols

2. General information

The drop-firing safety device is the result of cou-

pling the firing mechanism with the cocking move-

ment. This is designed to help prevent the Hilti DX tool

from firing when it is dropped onto a hard surface, no

matter at which angle the impact occurs.

The trigger safety device ensures that the cartridge

cannot be fired simply by pulling the trigger only. The

tool can be fired only when fully depressed.

The contact pressure safety device requires the tool

to be fully depressed with a significant force. The tool

can be fired only when pressed fully in this way.

In addition, all Hilti DX tools are equipped with an unin-

tentional firing safety device . This prevents the tool

from firing if the trigger is pulled and the tool then pressed

against the work surface. The tool can be fired only when

it is first pressed 쩸correctly and 쩹the trigger then

pulled.

Cartridges

Ordering designation Item no. Quantity Color Power

6.8/11 M brown, “High-precision“ 377204/3 100 Brown Extra light

These cartridges have been designed specially for the X-BT system. Their special power level ensures that driving

power remains within a very narrow scatter band.

4. Insert tools and accessories

Fasteners

Stainless steel threaded studs

Ordering designation Item no. Quantity

X-BT W10-24-6 SN12-R 377076/5 100

X-BT M10-24-6 SN12-R 377078/1 100

X-BT M8-15-6 SN12-R 377074/0 100

X-BT W10-26-6-R 377075/7 100

X-BT M10-24-6-R 377077/3 100

X-BT M8-15-6-R 377073/2 100

Grating flanges

Ordering designation Item no. Quantity

X-FCM-R 25/30 247181/1 100

X-FCM-R 11/4-1/2247173/8 100

X-FCM-R 35/40 247171/2 100

X-FCM-R 45/50 247172/0 100

Fastener guide

Ordering designation Item no. Quantity

X-351-BT FG W1024 378673/8 1

X-351-BT FG M1024 378674/6 1

X-351-BT FG G 378675/3 1

Piston

Ordering designation Item no. Quantity

X-351-BT P 1024 378676/1 1

X-351-BT P G 378677/9 1

X-351-BT FG M1024 X-351-BT P 1024 X-BT M10-24-6 SN12-R

X-BT M10-24-6-R

X-351-BT FG G X-351-BT P G X-BT M8-15-6 SN12-R

X-BT M8-15-6-R

Accessories

Ordering designation Item no. Application Qty.

X-351-BT CP coating protector 331343/9 Attachment for the fastener guide designed

to prevent damage to painted surfaces. 10

X-BT PRG 8/15 power regulation 377088/0 For checking that fasteners (studs) are driven

guide to the correct depth for X-BT M8 studs. 1

X-BT PRG 10/24 power regulation 377089/8 For checking that fasteners (studs) are driven

guide to the correct depth for X-BT M10, X-BT W10

threaded studs. 1

TX-BT 4/7-80 stepped drill bit 377079/9 For drilling holes for the X-BT M10, X-BT W10

or X-BT M8 threaded studs. Ideal for use in

narrow openings where access is restricted. 10

TX-BT 4/7-110 stepped drill bit 377080/7 For drilling holes for the X-BT M10,

X-BT W10 or X-BT M8 threaded studs.

Ideal for grating fastenings. 10

TX-BT 4/7-150 stepped drill bit 377081/5 For drilling holes for the X-BT M10,

X-BT W10 or X-BT M8 threaded studs.

Ideal for grating fastenings where the parts

to be fastened are of greater height. 10

XBT4000-A drill For drilling holes with the TX-BT4/7-...

stepped drill bits

X-BT CD 18/24 centering device 378885/8 Positioning aid for drilling holes,

particularly where access is restricted. 1

Zuitable fastener guide / piston / fastener / combinations

Fastener guide Piston type Fastener

X-351-BT FG W1024 X-351-BT P 1024 X-BT W10-24-6 SN12-R

X-BT W10-24-6-R

Prevention of misuse:

– When the piston tip is worn or damaged, never try to grind the tip in order to re-use the piston. This may cause

serious damage to the tool and will adversely affect fastening quality.

– Please refer to the table below for the right fastener guide/piston/fastener combination. Use of the wrong

combination may result in damage to the tool.

-WARNING-

●The base material may splinter when a

fastener is driven or fragments of the

cartridge strip may fly off.

●Flying fragments may injure parts of the

body or the eyes.

●Wear safety glasses and a hard hat (users

and bystanders).

-CAUTION-

●The nail or stud is driven by a cartridge

being fired.

●Excessive noise may damage the hear-

ing.

●Wear ear protection (users and

bystanders).

-WARNING-

●Under certain circumstances, the tool

can be made ready to fire by pressing it

against a part of the body (e. g. a hand).

●When in the “ready to fire” state, a fas-

tener or piston could be driven into a part

of the body.

●Never press the nosepiece of the tool

against parts of the body.

7. Operation

6. Before use

6.1 Tool inspection

●Ensure that there is no cartridge strip in the tool. If

there is a cartridge strip in the tool, remove it by hand

from the tool. 

●Check all external parts of the tool for damage at reg-

ular intervals and check that all controls operate prop-

erly. Do not operate the tool when parts are damaged

or when the controls do not operate properly. If nec-

essary, have the tool repaired at a Hilti service centre.

●Check the piston for wear (see “8.4 Care and mainte-

nance”).

-WARNING-

●Under certain circumstances, the tool

can be made ready to fire by pulling back

the fastener guide by hand.

●When in the “ready to fire” state, a fas-

tener or piston could be driven into a part

of the body.

●Never pull back the fastener guide by

hand.

5. Technical data

Tool DX 351 BT DX 351 BTG

Weight 2.28 kg (5 Ibs) 2.36 kg (5.2 Ibs)

Length of tool 403 mm (15.9″) 431 mm (16.9″)

Cartridges 6.8/11 M (27 cal. short) 6.8/11 M (27 cal. short)

brown brown

Recommended max. fastener driving frequency: 700/h 700/h

Cocking movement 59 mm (2.3″) 59 mm (2.3″)

Cocking pressure 100 N 100 N

Right of technical modification reserved

Cleaning set

Hilti spray, flat brush, round brush 19/31 mm, round brush 4.5 mm, round brush 9 mm, cleaning cloth, scraper

7.1 Fastening guidelines

-NOTE-

These application recommendations must always be

observed. For more specific information, refer to the

Hilti Fastening Technology Manual, which is available

from your local Hilti organisation.

7.1.1 Driving threaded studs

1. Mark the point where the stud is to be driven.

2. Drill a hole. Continue drilling until the drill bit cuts a

bright ring around the hole. 

3. Keep the hole clean (clean away any debris, dirt, water

or other liquids). 

4. Position the threaded stud in the drilled hole and then

press the tool against the working surface at right

angles.

5. Pull the trigger. 

-NOTE-

Never regrind a stepped drill bit. System functionality

can otherwise no longer be acheived.

7.2 Technical guidelines

7.2.1 Recommended torque 

Trec ≤ 8 Nm (5.9 ft-Ib)

Hilti screwdriver Torque setting

SF 121-A 11

SF 150-A 9

SF 180-A 8

7.2.2 Flange thickness 

Minimum flange thickness where the stud is driven into

the edge of the flange: ≥ 12 mm (0.48 in).

7.2.3 Stud spacing 

Between threaded studs ≥ 15 mm (0.59 in)

Between the threaded stud and the

edge of the base material. ≥ 6 mm (0.24 in)

7.3 Power settings 

Set the driving power on the tool to a value that drives

the threaded stud to the correct depth and ensures that

a good seal is achieved by the sealing washer. Start with

the lowest driving power setting and increase as neces-

sary.

7.4 Fastening gratings 

X-FCM-R grating flanges

Designation Length Fastenable thickness

in mm (in) in mm (in)

X-FCM-R 25/30 23 mm 25–32 mm

(0.91″) (0.98–1.26″)

X-FCM-R 11/4-11/2 30 mm 32–39 mm

(1.18″) (1.26–1.54″)

X-FCM-R 35/40 33 mm 35–42 mm

(1.30″) (1.38–1.65″)

X-FCM-R 45/50 43 mm 45–52 mm

(1.69″) (1.77–2.05″)

7.5 Loading the powder-actuated tool

1. Push the threaded stud into the tool threaded end first,

as far as it will go, until it is held in place in the tool.



2. Push the cartridge strip, narrow end first, into the

guideway in the grip of the tool from below, until the

full length of the cartridge strip is within the grip. When

loading a partly-used cartridge strip, pull the cartridge

strip up out of the tool from above by hand until an

unused cartridge is in place in the cartridge chamber.



7.6 Setting the fastener driving power

1. Use the power regulation guide to determine the cor-

rect driving power setting (the power regulation guide

is enclosed in the package with the threaded studs).

Perform a test fastening to verify the guideline pow-

er setting is correct.

2. If the threaded stud is not driven in to the correct posi-

tion, adjust the driving power to an appropriate set-

ting by turning the power regulation wheel. 

7.7 Driving a threaded stud

1. Position the threaded stud in the predrilled hole and

then press the tool against the working surface at right

angles. 

2. Pull the trigger to drive the stud.

-WARNING-

Do not attempt to redrive the same threaded stud by

firing the tool a second time.

Do not drive studs into damaged or previously used

holes.

7.8 Unloading the powder-actuated tool

1. Check to ensure that no cartridge strip is in the tool.

If there is a cartridge strip in the tool, remove it by

pulling it upwards out of the tool from above. 

3. Rotate the black housing counterclockwise through

one complete revolution (360°). This releases the pis-

ton stop. 

4. Remove the piston from the tool. 

-NOTE-

If the piston is jammed in the piston guide, the complete

piston guide must be removed from the tool.

5. Unscrew and remove the black housing completely

by turning it counterclockwise. 

6. Press the piston guide against the tool with the palm

of the hand.

7. Pull the complete unit away from the tool. 

8. Pull the black housing away from the piston guide. 

9. Ziehen Sie den Kolben aus der Kolbenführung.

8.4 Checking the piston for wear

The piston must be replaced if it is:

– badly worn

– broken

– bent (check by rolling it on a flat surface).

-WARNING-

Should the tip of the piston become worn or damaged,

do not attempt to grind it off in order to permit further

use. This may negatively affect the quality of the f astening

obtained and may result in serious damage to the tool.

8.5 Cleaning the piston

1. Clean the piston with a flat brush. 

2. Spray the piston lightly with Hilti spray.

8.6 Cleaning the fastener guide 

1. Clean the fastener guide with a small round brush.

2. Spray the fastener guide lightly with Hilti spray.

8.7 Cleaning the cartridge strip guideway 

1. Clean the right and the left cartridge strip guideway

with the scraper supplied.

8.8 Cleaning the piston guide

1. Clean the inside of the piston guide with a round brush

and the outside with a flat brush. 

2. Clean the cartridge chamber and the power regulation

bore in the end of the piston guide. 

3. Spray the inside and the outside of the piston guide

lightly with Hilti spray.

8.9 Cleaning inside the housing

1. Clean the inside of the housing with the flat brush. 

2. Spray the housing lightly with Hilti spray.

8.10 Assembling the tool

1. Fit the black housing onto the piston guide. 

2. Pull the black housing upwards against the spring

pressure and hold it securely in this position in your

hand. 

-CAUTION-

●The tool can get hot while operating.

●You could burn your hands.

●Do not disassemble the tool while it

is hot. Let the tool cool down.

8. Care and maintenance

When this type of tool is used under normal operating

conditions, dirt and residues build up inside the tool

and functionally relevant parts are also subject to wear.

Regular inspections and maintenance are thus essen-

tial in order to achieve reliable operation. We recom-

mend that the tool is cleaned and the piston and piston

brake are checked at least weekly when the tool is sub-

jected to intensive use, and at the latest after driving

2,000 fasteners.

8.1 Care of the tool

Clean the tool:

●After driving 2,000 studs

●If cartridges misfire

●If driving power is not constant

●If moving parts do not operate freely

The outer casing of the tool is manufactured from

impact-resistant plastic. The grip comprises a synthetic

rubber section. The ventilation slots must be unob-

structed and kept clean at all times. Do not permit for-

eign objects to enter the interior of the tool. Use a slight-

ly damp cloth to clean the outside of the tool at regu-

lar intervals. Do not use a spray or steam-cleaning sys-

tem for cleaning.

8.2 Maintenance

Check all external parts of the tool for damage at regu-

lar intervals and check that all controls operate proper-

ly. Do not operate the tool when parts are damaged or

when the controls do not operate properly. If necessary,

have the tool repaired at a Hilti service centre.

-CAUTION- when cleaning:

●Never use grease for the maintenance/lubrication of

parts of the tool. This may lead to malfunctions. Use

only Hilti lubricant spray or a product of comparable

quality.

●The residues deposited inside DX tools contain sub-

stances that may be injurious to your health:

– Do not inhale any dust or dirt while cleaning.

– Keep the dust or dirt away from foodstuffs.

– Wash your hands after cleaning the tool.

8.3 Disassembling the tool

1. Check to ensure that no cartridge strip is in the tool.

If there is a cartridge strip in the tool, remove it by

pulling it upwards out of the tool from above.

2. Unscrew and remove the fastener guide. 

3. Fit the complete unit into the tool so that the marks on

the piston guide and on the metal housing are in align-

ment. 

4. Press in the piston stops when the piston guide has

been inserted far enough for the stops to fit into the

openings at the side of the piston guide. 

5. Release the black housing and screw it on to the tool

(only 1–2 turns). 

6. Push in the piston as far as it will go. The piston can

be inserted only before the black housing is screwed

on fully (before the final turn). Then screw on the black

housing as far as it will go (until it engages). 

7. Press the fastener guide firmly against the piston guide

and then screw it on until it engages. 

8.11 Checking the tool following care and

maintenance

After carrying out care and maintenance on the tool,

check that all protective and safety devices are fitted and

that they function correctly.

-CAUTION-

The use of lubricants other than Hilti spray could dam-

age rubber parts, especially the buffer.

Cartridge falls out of the

cartridge strip

Cartridge strip melts

9. Troubleshooting

Cartridge doesn’t fire

Cartridge not transported

Cartridge strip cannot be removed

Fault Possible cause

■Damaged cartridge strip

■Carbon build-up

■Tool damaged

■Bad cartridge

■Carbon build-up

-WARNING-

Never attempt to pry a cartridge

from the magazine strip or tool.

■Tool is compressed too long

while fastening.

■Fastening frequency is too high

-WARNING-

Never attempt to pry a cartridge

from the magazine strip or tool.

Remedy

■Clean the cartridge strip guide-

way (see 24)

If the problem persists:

■Contact Hilti Repair Centre

■Let the tool cool down and then

carefully try to remove the

cartridge strip (If the problem

persists: Contact Hilti Repair

Center)

■Contact Hilti Repair Center

■Manually advance the cartridge

strip one cartridge

■If the problem occurs more often:

Clean the tool

(If the problem persists: Contact

Hilti Repair Center)

■Compress the tool only briefly

while fastening.

■Remove the cartridge strip

■Disassemble the tool for fast

cooling and to avoid possible

damage

(If the tool cannot be disassem-

bled: Contact Hilti Repair Center)

■Immediately discontinue using

the tool

■Remove cartridge strip

■Let the tool cool down

■Clean the tool and remove loose

cartridge.

(If it is impossible to disassemble

the tool: Contact Hilti Repair

Center)

■Tool overheated because of high

setting rate

■Tool damaged

-WARNING-

Never attempt to pry a cartridge

from the magazine strip or tool.

The operator notices:

■increased contact pressure

■increased trigger force

■power regulation stiff to adjust

■cartridge strip is difficult to

remove

Fault Possible cause

■Carbon build-up

Remedy

■Clean the tool

■Check that the correct cartridges

are used (see 1.2) and that they

are in faultless condition.

Threaded studs driven to different

depths or sealing washer pres-

sure/contact not constant

■Hole not deep enough

■Piston broken or damaged

■Fastener guide damaged

■Damaged protective cover

■Tool misfires

■Wrong driving power setting

■Carbon build-up

■Drill to correct depth

=> visible ring .

■Replace the piston.

■Replace the fastener guide.

■Replace the protective cover.

■Change the cartridge strip (take a

strip from a new, dry package if

necessary). Clean the cartridge

strip guideway and cartridge

chamber.

■Check driving power using the

power regulation guide.

■Clean the tool.

Damage to the

painted surface on

the underside of the

base material

■Stud driven too deeply

■Dirt or foreign matter in the hole

■Steel base material too thin

(< 8 mm)

■Hole not deep enough

■Reduce driving power (power

regulation).

■Remove liquids, debris, or other

foreign matter from the hole

before installing the stud.

■Drive studs only on steel base

material ≥ 8 mm.

■Drill to correct depth

=> visible ring .

Threaded stud doesn’t hold in the

base material when torque is

applied

■Dirt or foreign matter in the hole

■Hole not deep enough

■Hole damaged or previously used

■Wrong drill bit used

■Too much torque applied

■Remove liquids, debris, or other

foreign matter from the hole

before installing the stud.

■Drill to correct depth => visible

ring .

■Drill new hole.

■Use appropriate drill bit

■Use appropriate amount of

torque (see 7.2.1 Recommended

torque)

The thread on the stud is

damaged

Fault Possible cause

■Fastener guide damaged

Remedy

■Replace the fastener guide.

Stud doesn’t hold in the base

material

■Steel base material too thin

(< 8 mm)

■Hole damaged or previously used

■Driving power too low

■Hole not deep enough

■Wrong drill bit used

■Dirt/debris in hole

■Drive studs only on steel base

material ≥ 8 mm.

■Drill new hole.

■Increase driving power.

■Drill to correct depth

=> visible ring .

■Use correct drill bit

■Remove liquids, debris or other

foreign matter from the hole

before installing the stud.

Piston jams in the piston guide ■Damaged piston

■Carbon build-up

■Remove the cartridge strip

■Kolbenführung

■Check the piston and replace it if

necessary

■Clean the tool

Trigger can’t be pulled ■Tool not pressed fully against the

work surface

■Piston fitted incorrectly

■Tool defective

■Press the tool fully against the

work surface.

■Fit the piston correctly.

■Contact your Hilti Center.

10. Disposal

Hilti warrants that the tool supplied is free of defects

in material and workmanship. This warranty is valid so

long as the tool is operated and handled correctly,

cleaned and serviced properly and in accordance with

the Hilti Operating Instructions, and the technical sys-

tem is maintained. This means that only original Hilti

consumables, components and spare parts, or other

products of equivalent quality, may be used in the tool.

This warranty provides the free-of-charge repair or

replacement of defective parts only over the entire lifes-

pan of the tool. Parts requiring repair or replacement

as a result of normal wear and tear are not covered by

this warranty.

Additional claims are excluded, unless stringent

national rules prohibit such exclusion. In particular,

Hilti is not obligated for direct, indirect, incidental

or consequential damages, losses or expenses in

connection with, or by reason of, the use of, or inabil-

ity to use the tool for any purpose. Implied warranties

of merchantability or fitness for a particular purpose

are specifically excluded.

For repair or replacement, send tool or related parts

immediately upon discovery of the defect to the address

of the local Hilti marketing organization provided.

This constitutes Hilti's entire obligation with regard to

warranty and supersedes all prior or contemporane-

ous comments and oral or written agreements con-

cerning warranties.

11. Manufacturer's warranty – DX Tools

12. EC declaration of conformity (original)

Most of the materials from which Hilti power actuated

tools are manufactured can be recycled. The materi-

als must be correctly separated before they can be recy-

cled. In many countries, Hilti has already made arrange-

ments for taking back your old powder actuated tools

for recycling. Please ask your Hilti customer service

department or Hilti sales representative for further infor-

mation.

Should you wish to return the power actuated tool your-

self to a disposal facility for recycling, proceed as fol-

lows: Dismantle the tools as far as possible without

the need for special tools.

Designation: Powder-actuated tool

Type: DX 351BT/BTG

Year of design: 2003

We declare, on our sole responsibility, that this product

complies with the following directives and standards:

2006/42/EC, 2011/65/EU.

Hilti Corporation, Feldkircherstrasse 100,

FL-9494 Schaan

Norbert Wohlwend Tassilo Deinzer

Head of Quality & Processes Management Head BU Measuring Systems

BU Direct Fastening BU Measuring Systems

08/2012 08/2012

Technical documentation filed at:

Hilti Entwicklungsgesellschaft mbH

Zulassung Elektrowerkzeuge

Hiltistrasse 6

86916 Kaufering

Deutschland

13. Confirmation of CIP testing

The Hilti DX351BT and DX351BTG have been system

and type tested. As a result, the tools bear the square-

shaped PTB approval mark showing approval number

S 807. In this way, Hilti guarantees compliance with the

approved type.

Unacceptable/inadmissible defects, deficiencies, etc.

that are determined during use of the tool must be report-

ed to the manager responsible at the approval authori-

ty (PTB) and to the Office of the Permanent International

Commission (C.I.P.).

14. Health and safety of the user

Noise information

The following table provides noise measurement information:

Powder-actuated tool

Type: DX 351-BT / DX 351 BTG

Model: Serial production

Caliber: 6.8/11 brown

Power setting: 3

Application: Fastening of X-BT M10-24-6 onto pre-drilled steel

platting 8 mm thick

Declared measured values of noise characteristics according to 2006/42/EC Machinery Directive in

conjunction with E DIN EN 15895

Noise (power) level: LWA, 1s1109 dB(A)

Emission noise-pressure level in the work station: LpA, 1s2105 dB(A)

Peak sound pressure emission level: LpC, peak3136 dB(C)

Operation and set-up conditions:

Set-up and operation of the pin driver in accordance with E DIN EN 15895-1 in the semi-anechoic test room of

Müller-BBM GmbH. The ambient conditions in the test room conform to DIN EN ISO 3745.

Testing procedure:

Enveloping surface method in anechoic room on reflective surface area in accordance with E DIN EN 15895, DIN

EN ISO 3745 and DIN EN ISO 11201.

NOTE: The noise emissions measured and the associated measurement uncertainty represent the upper limit for

the noise values to be expected during the measurements.

Variations in operating conditions may cause deviations from these emission values.

1± 2 dB (A)

2± 2 dB (A)

3± 2 dB (C)

Vibration

The declared total vibration value according to 2006/42/EC does not exceed 2.5 m/s2.

Further information regarding the health and safety of the user can be found at the Hilti web site: www.hilti.com/hse

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Hilti DX 351 BT Manuel utilisateur

Marque: Hilti

Modèle: DX 351 BT

Catégorie: Cloueuse

Taper: Manuel utilisateur

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