Handling The Clamshell Bucket - Komatsu PW160-7H Operation & Maintenance Manual

MACHINES READY FOR ATTACHMENTS
4. ACCUMULATOR (FOR CONTROL CIRCUIT) (4)
The accumulator is charged with high-pressure nitrogen gas,
and it is extremely dangerous if it is handled mistakenly.
For details of handling, see "HANDLING ACCUMULA-
TORS (144)"
This is installed to release any remaining pressure in the attach-
ment circuit after the engine is stopped. Normally, do not touch it.

HANDLING THE CLAMSHELL BUCKET

This bucket is used for digging and loading in side-ditches
or confined spaces.
1
3
A
How to install clamshell bucket
1. Clamshell cylinder head (feed)
2. Clamshell cylinder bottom (return)
3. Rotate left
4. Rotate right
Ensure valves (A) are open on both sides. Ensure selector is in
correct position.
318
WARNING
OPTIONS, ATTACHMENTS
4
A
PW160-7H VEAM390100
A
2
4