Manual Bosch GTK 40 Professional (page 16 of 160) (English, German, Dutch, Danish, French, Italian, Polish, Portuguese, Swedish, Turkish, Spanish, Norwegian, Finnish)

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1 609 92A 10X | (11.11.14) Bosch Power Tools

16 | English

GSK 50 (see figure H)

– Empty the magazine 8.

(See “Emptying the Magazine”, page 15)

–With the magazine open, remove the jammed brad. For

this, us a pair of pliers, if required.

– When driver blade 21 is extended, push it back into the

piston using a lubricated screwdriver or other suitable

lubricated object.

– Lubricate the shot duct with 2–3 drops of engine oil

(SAE 10 or SAE 20).

– Refill the magazine.

(See “Loading the Magazine”, page 15)

Changing the Workpiece Protector (see figure I)

The workpiece protector 1 at the end of the discharge lock-

off 2 protects the workpiece until the pneumatic tool is cor-

rectly placed for the driving procedure.

The workpiece protector can be removed and replaced.

– Pull the workpiece protector from the discharge lock-

off.

– Push the new workpiece protector via the open end

over the discharge lock-off.

GSK 50: This pneumatic tool allows for a spare workpiece

protector to be stored at the top side of magazine 8. For

this, push the workpiece protector into the depot 22.

Adjustable Air-outlet cap (see figure J)

With the adjustable exhaust cap at the air outlet 4, it is pos-

sible to deflect the exhaust air away from yourself or the

workpiece.

Transport and Storage

For transport, disconnect the pneumatic tool from the air

supply; especially when using ladders or moving in an unu-

sual stance or posture.

At the workplace, carry the pneumatic tool only by the han-

dle 5 and with the trigger 10 released.

Always store the pneumatic tool disconnected from the air

supply and at a clean and dry location.

When not using the pneumatic tool for a longer period of

time, cover steel parts with a fine oil coating. This prevents

the formation of rust.

Maintenance and Service

Maintenance and Cleaning

Disconnect the air supply before making

any adjustments, changing accessories,

or placing the pneumatic tool aside. This

safety measure prevents accidental start-

ing of the pneumatic tool.

 Have maintenance and repair work carried out only

through qualified persons. This will ensure that the

safety of the pneumatic tool is maintained.

An authorized Bosch after-sales service agent will carry out

this work quickly and reliably.

Lubricating the Pneumatic Tool (see figure K)

When the pneumatic tool is not connected to a mainte-

nance unit, it must be lubricated at regular intervals:

–For light-duty use 1x per day.

–For heavy-duty use 2x per day.

Apply 2–3 drops of lubricant into air connector 6. Do not

apply too much lubricant, which could then accumulate in

the pneumatic tool and be emitted via air outlet 4.

Use only the lubricants recommended by Bosch.

– SAE 10 mineral engine oil (for use at very cold ambient

conditions)

– SAE 20 mineral engine oil

 Observe all applicable environmental regulations

when disposing of old grease and solvents.

Maintenance Schedule

Always keep air outlet 4, discharge lock-off 2 and trigger

10 clean and free of foreign material (dust, chips, sand,

etc).

Clean the magazine 8. Remove any plastic or wood chips

that may accumulate in the magazine during operation.

Clean the pneumatic tool in regular intervals using com-

pressed air.

Correction of Malfunctions

Measure Explanation Action

Draining the exhaust filter daily.

Prevents the accumulation of dirt/ debris and moisture in the

pneumatic tool.

– Open the drain valve.

Keeping the lubricator filled at all times. Ensures the lubrication of the pneumatic tool. – Fill lubricator with the recommended lubricants.

(See “Lubricating the Pneumatic Tool”, page 16)

Cleaning the magazine 8 and magazine slider 11.

Prevents a staple (GTK 40) or brad (GSK 50) from becoming

jammed.

– Blow out the mechanism of the magazine/magazine slider daily with

compressed air.

Ensuring that the discharge lock-off 2 functions

properly.

Promotes your work safety and efficient usage of the pneumat-

ic tool.

– Blow out the mechanism of the discharge lock-off daily with com-

pressed air.

Lubricating the pneumatic tool. Reduces the wear of the pneumatic tool. – Apply 2–3 drops of lubricant into air connector 6.

(See “Lubricating the Pneumatic Tool”, page 16)

Draining the compressor.

Prevents the accumulation of dirt/ debris and moisture in the

pneumatic tool.

– Open the drain valve of the compressor tank.

Problem Cause Corrective Measure

The pneumatic tool is ready for operation, but no

staples (GTK 40) or brads (GSK 50) are dis-

charged.

A staple (GTK 40) or a brad (GSK 50) has become jammed in

the shot duct.

– Clear the jam.

(See “Clearing Jams”, page 15)

The magazine slider is 11 defective. – Clean and lubricate the magazine slider 11 as required and make

sure that the magazine 8 is not dirty/soiled.

The spring of the magazine slider is too week or defective. – Contact an authorised service agent for Bosch power tools.

Have the component replaced there.

The fasteners being used are not permitted. – Use only original accessories.

Only the fasteners (nails, staples, etc.) specified in table “Technical

Data” may be used.

The magazine 8 is empty. – Refill the magazine.

(See “Loading the Magazine”, page 15)

The staples (GTK 40) or brads (GSK 50) are dis-

charged very slowly and with too little pressure.

The rated pressure of the compressed-air supply is too low. – Increase the compressed-air supply. 8 bar may not be exceeded.

The driver blade is damaged. – Use only the lubricants recommended by Bosch.

(See “Lubricating the Pneumatic Tool”, page16)

The sealing ring of the piston is worn or damaged. – Contact an authorised service agent for Bosch power tools.

Have the component replaced there.

The buffer is worn. – Contact an authorised service agent for Bosch power tools.

Have the component replaced there.

The length and diameter of supply-air hose 17 do not corre-

spond with the data of this pneumatic tool.

– Use a supply-air hose with the correct dimensions.

(See “Technical Data”, page 14)

The supply-air hose 17 is bent/creased. – Correct the bend/crease in the supply-air hose.

OBJ_BUCH-1038-004.book Page 16 Tuesday, November 11, 2014 2:36 PM

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Bosch GTK 40 Professional Manual

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