- 48 -
Oil leaks at accumulator O-ring and or back-up ring
defective
Check and replace o-ring and back-up
ring
Oil leaks from chisel Cylinder seals defective Disassemble hydraulic hammer and
replace the seals
Hydraulic oil temperature
too high
Hydraulic oil level in tank too low Refill hydraulic oil tank
Carrier pump delivery too high Correct carrier engine speed. Reset
pump
High outside temperature and no
cooler fitted
Fit oil cooler
Pressure-relief valve defective Fit new pressure-relief valve
Back head gas leaks Loose through bolts Tighten through bolts
(Refer to section 7.9.)
Defect in back head gas valve Replace back head gas valve
Defective O-ring on back head Replace O-ring
Defective cylinder bush seals Check and replace the piston bush
seals
To Next Page
Loading...
