3. Remove and check the lock buffer. Change
worn or damaged parts.
NOTICE The lock buffer in the tool retainer
lock is made of plastic and can melt when
operating in a hot environment. If this occurs,
change the standard lock pin. Find optional
spring pin in the spare parts list.
4. Clean and lubricate the bushing plentifully.
NOTICE When mounting a new working tool,
it is especially important to lubricate plentifully.
5. Mount the working tool, use a lifting strap to
reduce the risk of personal injury
6. Rotate the working tool to spread the grease.
7. Mount the tool retainers, one at the time.
8. Drive in the lock pin until the lock buffer
attaches in the lock pin groove.
Tunnel versions:
For Tunnel versions, dismount the working tool (A),
front shield (B) and dust cover (C). Use a lifting
strap to reduce the risk of personal injury.
Safety and operating instructions SB 52, 102, 152, 202, 302, 302Tunnel, 452, 452Tunnel,
552
16 © Construction Tools PC AB | 9800 0648 01 | 2018-01-01
Original instructions
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