Troubleshooting
HDS Middle Range / HDS Premium Range
Page 118 / 127
Service Manual 04.2008
Measure
Water leak between cylinder
head and piston housing
– Leak of 1 drip per minute and piston is allowable.
– Check/replace high-pressure and low-pressure seals.
Fault
Oil leak between cylinder
head and piston housing
– Replace oil seals.
Pump knocks
– Check pump for leaks/remove leaks.
– Vent the unit.
5 Troubleshooting