Hydraulic Impact Breaker
3. Remove valves (A and B) from cylinder (C) and check
seating surface. Surface should be perfectly circular, of
equal thickness all around, and without indentation.
Clean valves and replace if necessary.
4. Check O-ring (D) and sealing area of cylinder, and
replace if necessary.
5. Check guiding areas of cylinder, by head.
Continued on next page