User manual

Troubleshooting
23
9 Troubleshooting
In the case of disturbances of the PKL proceed as follows:
Possible causes Troubleshooting Corrective actions
Disturbance: does not function
Mounting surface not
flat
Loss of pressure via O-ring? Establish ±0.3 mm flatness on
mounting surface.
Malfunction of valve
and control
Check PKL without valve and
control.
Check 3/2-way valve and con-
trol, and replace if necessary.
Air supply Check pressure. Set operating pressure.
Check valve connection. Replace valve, if necessary.
Disturbance: does not function and has leakage at top
Wear of seals Check seals of impact piston
and control piston (PKL 190).
Replace seals of impact piston
and control piston.
General wear Housing, membranes and
control piston worn out?
Replace affected parts and
seals.
Disturbance: does not function and has leakage on mounting surface
PKL incorrectly mount-
ed
Check fastening screws. Tighten fastening screws and
replace, if necessary.
Mounting surface not
flat
Check mounting surface. Establish ±0.3 mm flatness on
mounting surface.
Check O-ring. Insert O-ring in groove, re-
place if damaged.
Disturbance: does not function with ST kit
Operating pressure
insufficient
Check PKL model.
Check pressure.
Increase pressure.
Disturbance: impact weak
Air supply Check pressure. Set pressure.
Contamination of con-
trol valve
Check control valve. Clean control valve or replace,
if necessary.
Contamination of si-
lencer
Check silencer. Clean silencer.
Wear, leakage Replace seals.
Disturbances
and causes