Clamshell Bucket Disassembly - Case WX145 Operator's Manual

SECTION 7

CLAMSHELL BUCKET DISASSEMBLY

Open clamshell completely and set clamshell down
on the ground.
Shut off the engine, turn the ignition key to position
"I".
Relieve the pressure from the hydraulic hoses of the
clamshell.
Press to the left and hold the right hydraulic control
lever (3).
Depress button "Clamshell turning" (4) to the right
and button (5) to the left.
Press to the right the right hydraulic control lever (3).
Release buttons (4) and (5) and right hydraulic con-
trol lever (3).
Turn ignition key to position "0" and disconnect the
pilot control (6).
Disconnect hydraulic hoses (8) and (9) and quick
couplers.
Protect quick couplers of clamshell and dipper from
dirt by applying the dust cups.
Unscrew safety device of bearing pin (2) and take
out the pin.
Start the engine.
Lift working attachment carefully to release the
clamshell.
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