Hilti GX 3 Original Operating Instructions page 15

11 Transport and storage
11.1 Maintenance
▶ 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 Center or online at: www.hilti.group.
▶ Check all external parts of the fastening tool for signs of damage at regular intervals and make sure that
all the controls function correctly.
▶ Do not use the fastening tool if parts are damaged or if the controls do not function correctly.
▶ Have a defective fastening tool repaired by Hilti Service.
11.2 Checks after care and maintenance work
▶ Move the fastener driving depth adjustment slider to the + position.
12 Troubleshooting
If the trouble you are experiencing is not listed in this table or you are unable to remedy the problem by
yourself, please contact Hilti Service.
Malfunction
Fasteners are frequently
driven to inadequate depth.
Fasteners are frequently
driven too deeply.
Fasteners break.
Printed: 28.09.2017 | Doc-Nr: PUB / 5261680 / 000 / 01
Possible cause
Driving power is too low.
The fasteners are too long.
The supporting material is too
hard.
The inlet/outlet valve is clogged or
covered over.
Driving power is too high.
The fasteners are too short.
Driving power is too low.
The fasteners are too long.
The supporting material is too
hard.
The fastener guide is not held per-
pendicular to the working surface.
Action to be taken
▶ Move the fastener driving depth
adjustment slider to the +
position.
▶ Use shorter fasteners.
▶ Consider using a DX fastening
tool.
▶ Clean the fastening tool and
check how it is held.
▶ Move the fastener driving depth
adjustment slider to the ‒
position.
▶ Use longer fasteners.
▶ Move the fastener driving depth
adjustment slider to the +
position.
▶ Use shorter fasteners.
▶ Consider using a DX fastening
tool.
▶ Press the nosepiece against
the working surface, keeping
the tool perpendicular to the
surface.
English 11