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TM10-4930-239-12&P
Table 3-1. Operator Troubleshooting.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 4. A valve assembly is defective.
Check that all valves in the related area of malfunction are operating properly. If any valve
assembly is found to be defective, replace it with a properly functioning valve assembly.
4.
HOSE ASSEMBLY LEAKS.
Step 1. Cam-lock couplings are improperly fastened.
Disconnect couplings from hose and then reconnect couplings. Be sure that the coupling
cam-locking mechanism is properly position to seal the hose joint.
Step 2. Dust or dirt is trapped inside the hose coupling connection.
Disconnect couplings from hose and check for dust or dirt inside couplings. Remove any dust
or dirt found and reconnect hose assembly.
Step 3. Gaskets are missing from hose connection joints.
Remove affected hose from connection and check that gasket is properly placed within the
coupling half. If gasket is missing, contact unit maintenance for a replacement gasket.
Step 4. Hose assembly is defective.
Replace hose assembly with a new or repaired hose assembly that does not leak.
5.
LEAKS OCCUR AT JOINTS OF COMPONENTS.
Step 1. Cam-lock couplings are improperly fastened.
Disconnect couplings from component and then reconnect couplings. Be sure that the
coupling cam-locking mechanism is properly position to seal the component joint.
3-3
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