9
Inspection time
Inspection point
200 hours
or 1 year
400 hours
or 2 years
Over 3
years
Accumulator gas pressure check
O
Replacement of accumulator diaphragm
O
Replacement of U-cup packing
O
Replacement of valve rod o-ring
O
Replacement of compressor piston ring
O
Replacement of gear case grease
O
Replacement of motor shaft o-ring
O
Replacement of every o-ring
O
Oil Types
The HYCON rock drill uses standard hydraulic oil, i.e. all types of mineral oil and
biodegradable oil, which comply with the following values:
Recommended viscosity
20-40 cSt
Permitted viscosity
15-1000 cSt
Viscosity index
Min. 100
Temperature area
-20° to +70° C
If using biodegradable oil, we recommend the use of oil based on rape. Other types
of oil can be aggressive towards the seals. If you are in doubt, please ask your
dealer.
