Case CX235C SR Operator's Manual page 188

Crawler excavator
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Quick coupler (optional)
WARNING
Improper operation or service of this machine can result in an accident.
If you do not understand a maintenance procedure, or doubt your ability to perform a maintenance
procedure correctly, see your authorized dealer.
Failure to comply could result in death or serious injury.
Servicing instructions
Every day and before each installation of the quick
coupler:
• Check that the locking bar functions correctly and that
it is not fouled by foreign matter.
• Check the quick coupler cylinder hoses for free move-
ment.
• Check the return spring and its mounting hardware.
• Check for any signs of cracks.
Modification of the quick coupler without prior authorization can cause serious injury. Do not carry out any modification
without authorization. Consult your CASE CONSTRUCTION Dealer.
NOTICE: If you use your quick coupler under particularly severe conditions (with a hydraulic breaker or in a corrosive
environment, etc.) the servicing and inspection intervals must be reduced.
Incorrect functioning
ATTENTION: Make sure that the attachment is in full contact with the ground before carrying out the following checks.
If the quick coupler does not work correctly, check the following items:
• That no pin is broken, bent or lost.
• That no foreign matter is fouling the safety device.
• The condition of the return spring.
• That the cylinder is not damaged or bent.
• That there are no leaks from hydraulic hoses, etc.
If the problem persists after all these checks, consult your CASE CONSTRUCTION Dealer.
6 - MAINTENANCE
6-4
2
RBR54Y-001
W0157A

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