Hilti GTB 6X-A22 Mode D'emploi page 26

To help ensure safe and reliable operation, use only genuine Hilti spare parts and consumables. Spare
parts, consumables and accessories approved by Hilti for use with the product can be found at your
local Hilti Store or online at: www.hilti.group.
7.1 Changing the felt pads
The felt pads on the file arm can be replaced when worn.
1. Remove the abrasive belt. → page 18
2. Detach the worn felt pads from the gear head and the swing arm.
3. Peel the backing foil off the adhesive side of the new felt pads.
4. Affix the new felt pads to the gear head and the swing arm.
7.2 Changing the drive roller
A worn drive roller can be replaced.
1. Remove the abrasive belt. → page 18
2. Press and hold down the spindle lock button.
3. Unscrew the drive roller by turning it counter-clockwise.
4. Screw the new drive roller on to the spindle.
5. Release the spindle lockbutton.
7.3 Changing the guard
The guard protects the gear head from damage by the abrasive belt. It can be replaced when worn.
1. Remove the abrasive belt. → page 18
2. Remove the drive roller. → page 20
3. Remove the securing screws and lift off the guard.
4. Hold the new guard in position, install the securing screws and tighten them to the specified torque.
Technical data
Tightening torque, securing screws for guard
5. Install the drive roller.
7.4 Changing the guide roller / relay roller
The guide roller and relay roller can be replaced when worn or damaged.
1. Remove the abrasive belt. → page 18
2. Remove the securing screw and remove the roller. If necessary, use an open-ended wrench to lock the
shaft.
3. Insert the new roller and install the securing screw.
4. Lock the shaft with an open-ended wrench and tighten the securing screw to the specified torque.
Technical data
Tightening torque, securing screw for guide roller⁄relay roller 8 Nm
20 English
5
6
7
8
2.4 Nm
2241319
*2241319*