Hydraulic Rock Drill COP RR14 / SC14 Ver. C 10 Front Head
40 No: 4124851851.2.9007203379904011 en-US
1.
Inspect guide (102) and the lubrication ducts (A). Replace the guide if the inside diam-
eter exceeds 36 mm.
2.
If air and water leaks out through the front head tell tale holes or around the shank
adapter (16):
a.
Replace o-rings (124) on flushing head (121).
b.
Replace cup seals (123) and seals (125) in flushing head.
c.
Replace wiper (108) in guide (102).
d.
Replace o-ring (106) on washer (103).
e.
Replace o-ring (132) on stop ring (131).
3.
Inspect flushing head (121). Replace if seriously damaged or cracked.
4.
Inspect washer (103). Replace if seriously damaged or cracked.
5.
Replace stop ring (131) if: