Hydraulic Rock Drill COP RR14 / SC14 Ver. C 10 Front Head
54 No: 4124851851.2.9007203379904011 en-US
b.
Install the shank adapter in the front head.
6.
Install o-rings (107) to the front head.
a.
Inspect that pin (236) is installed in correct position.
b.
Install the front head (101) onto gear housing (201).
c.
Apply oil to the four screws (9).
d.
Install and tighten screws (9) alternately to 220 Nm (162 lbf-ft).
7.
Install the flushing hose (A).
10.11 Inspect Shank Adapter Threads
1.
Replace the shank adapter if the thread is worn out. See chapter Front Head
2.
When replacing the shank adapter, inspect internal components. See Instruction In-
specting and Replacing Front Head Parts.
10.12 Check for Leaks During Drilling
n
If the flushing media leaks from the flushing head replace the cup seals and O-rings.
See chapter Front Head.
n
If oil leaks from the front head, shut of the percussion and activate the damper only to
determine if it is percussion or damper leakage. See chapter Rock Drill Overhaul.
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