Troubleshooting - Hilti DX 36 Operating Instructions Manual

9.3.2 Checking the piston for wear
NOTE
Never use a worn or damaged piston and do not
attempt to manipulate or modify the piston.
Replace the piston when:
- the piston is broken
- the piston is badly worn or chipped (e.g. a 90°
segment broken away).
- the piston rings are cracked or missing.
- the piston is bent (check by rolling the piston on a
smooth, flat surface).
9.3.3 Checking the fastener guide for wear
Replace the fastener guide if the tubular section is
damaged (e.g. bent, widened or cracked).
9.3.4 Checking the spring clip for wear
Replace the spring clip if it is badly worn or bent.
9.3.5 Cleaning 9 10 11 12
Clean the tool at least once a week or, respectively,
immediately after each period of heavy use (after
driving approx. 3,000 nails).
Use the appropriate brushes to clean the individual
parts:
1. Clean the fastener guide and base plate, inside
and out.
2. Clean the piston and piston rings until the parts
move freely.
3. Clean the piston guide, inside and out.
4. Clean the inside of the housing.

10. Troubleshooting

WARNING
The tool must be unloaded before taking any steps to remedy faults.
Fault
Higher force required to cycle
the tool.
Higher force required to press
the tool against the surface.
Trigger resistance increases.
Printed: 07.07.2013 | Doc-Nr: PUB / 5069831 / 000 / 00
9.3.6 Lubrication
Spray the cleaned parts lightly with the Hilti lubricant
spray supplied. Use only Hilti lubricant spray or a
product of comparable quality.
9.3.7 Assembling the tool 13
NOTE
Handle the small parts carefully. They could get lost.
1.
2.
3.
4.
5.
6.
9.3.8 Checking
After carrying out care and maintenance, check that
all protective and safety devices are fitted and that
they function faultlessly.
NOTE
The tool can be checked, as follows, to determine
whether it is ready to fire: Press the nose of the
unloaded tool (i.e. no cartridges or fastener in the
tool) firmly against a hard surface and pull the trigger.
A clearly heard click from the trigger mechanism
indicates that the tool was ready to fire.
Possible cause
Build-up of combustion residues.
Build-up of combustion residues.
Build-up of combustion residues.
Fit the fastener guide into the base plate.
Slide the piston into the piston guide as far as it
will go.
Fit the base plate with the fastener guide onto
the piston guide.
NOTE The pin on the piston and the slot in the
base plate and piston guide must be in alignment.
Press the spring clip into the recess.
Guide the assembly into the tool.
NOTE The slot in the assembly must be in align-
ment with the catch.
Press the catch into the opening in the ring and
then rotate the ring back through 45 degrees.
NOTE The catch can be removed when pivoted
out and subsequently reinserted.
Remedy
Service the tool (see 9.3)
Service the tool (see 9.3)
Service the tool (see 9.3)
en
29