Clamshell Bucket - Case WX145 Operator's Manual

SECTION 5
PROBLEM
Clamshell rotation not
operational.
Clamshell rotates very slowly.
At cylinders stroke end the
clamshell does not rotate.
5-16

CLAMSHELL BUCKET

POSSIBLE CAUSE
Clamshell rotation pump defective.
Hydraulic oil level too low.
Malfunction of clamshell-rotation
pressure-limiting valve.
Clamshell rotation valve defective.
Button on hydraulic control lever
defective.
Clamshell rotation solenoid defective. Consult your Dealer.
Clamshell rotation motor defective.
Pinion and ring gear worn.
Malfunction of clamshell-rotation
pressure-limiting valve.
Clamshell rotation solenoid defective. Consult your Dealer.
Clamshell rotation motor defective.
Malfunction of clamshell-rotation
pressure-limiting valve.
Clamshell blades or limit stops worn
out.
CORRECTION
Consult your Dealer.
Top up with hydraulic oil in correct
quantity.
Consult your Dealer.
Consult your Dealer.
Consult your Dealer.
Consult your Dealer.
Replace pinion and ring gear.
Consult your Dealer.
Consult your Dealer.
Consult your Dealer.
Replace.
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