Manual Bosch GSH 16-30 (page 15 of 77) (English, German, Dutch, Danish, French, Italian, Portuguese, Swedish, Turkish, Spanish, Norwegian, Finnish)

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English | 151 619 929 711 • 13.7.06

Assembly

Carrying Handle

The carrying handle 3 can be turned to any position.

Loosen the knurled nut 4, turn the carrying handle 3

around the machine axis to the desired position and

tighten the knurled nut 4 again.

The carrying handle 3 can also be mounted facing to

the other side. Completely unscrew the knurled nut 4

and then pull out the hexagon bolt upward. Pull off the

carrying handle 3 to the side and tilt the remaining

clamping element by 180°. Mount the carrying handle

3 in reverse order.

Changing the Tool (GSH 16-28)

f Before any work on the machine itself, pull

the mains plug.

Clean the tool shank 7 and apply a light coat of grease.

Tools without Shoulder (see figures A–B)

Pivot the tool retainer 6 upward by approx. 150° and

insert the tool into the tool holder 8.

Pivot the tool retainer 6 down to lock the tool.

Check the latching by pulling the tool.

Tools with Shoulder (see figures C–D)

Tools with an insertion length of 152 mm (6") to the

shoulder can be used.

Pivot the tool retainer 6 upward by approx. 180° and

insert the tool into the tool holder 8.

Pivot the tool retainer 6 back to the tool to lock it. The

shoulder 9 must be held by the tool retainer 6.

Check the latching by pulling the tool.

Changing the Tool (GSH 16-30)

(see figures E–F)

f Before any work on the machine itself, pull

the mains plug.

Clean the tool shank 7 and apply a light coat of grease.

Pull out the lock bolt 5 and turn it 180° in anticlockwise

direction. Allow the lock bolt 5 to latch again.

Insert the tool into the tool holder 8 to the stop. The

groove of the tool shank 7 must face upward as shown

in the figure.

Pull out the lock bolt 5 and turn it 180° in clockwise

direction. Allow the lock bolt 5 to latch again.

Check the latching by pulling the tool.

Operation

Starting Operation

f Observe correct mains voltage! The voltage of

the power source must agree with the voltage

specified on the nameplate of the machine.

Power tools marked with 230 V can also be

operated with 220 V.

Switching On and Off

To start the machine, push the On/Off switch 2 to the

“I” position.

To switch off the machine, push the On/Off switch 2

to the “0” position.

For low temperatures, the machine reaches the full

impact rate only after a certain time.

This start-up time can be shortened by striking the

chisel in the machine against the floor one time.

Operating Instructions (see figure G)

While working, hold the power tool with both hands by

the handle 1. The handle 1 can move upward and

downward around its axis by approx. 30 mm. This has

a damping effect against vibrations.

For the highest possible impact damping, work only

with moderate pressure.

Sharpening Chisels

Good results are only achieved with sharp chisels;

therefore, sharpen the chiselling tools in good time.

This ensures a long service life of the tools and good

working performance.

Re-sharpening

Sharpen chiselling tools using grinding wheels (e. g.

ceramic bonded corundum wheel) with a steady supply

of water. Reference values are shown in the figure.

Take care that no annealing coloration appears on the

cutting edges; this impairs the hardness of the chisel-

ling tools.

For forging, heat the chisel to between 850 and

1050 °C (bright red to yellow).

For hardening, heat the chisel to approx. 900 °C and

quench in oil. Then anneal in an oven for approx. one

hour at 320 °C (annealing colour = light blue).

ca.60

ca.40

60 60

OBJ_BUCH-205-001.book Page 15 Thursday, July 13, 2006 8:42 AM

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Bosch GSH 16-30 Manual

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