How to test crowd circuit relief valve – Gradall 534B (9103-1390) Service Manual User Manual

Page 86

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HOW TO TEST

CROWD CIRCUIT RELIEF VALVE

1. Install gage in test port

(C)

near the main pump.

2. Start engine.

3. Extend the booms fully. Hold joystick fully to right.

4. The gage reading should be 2700 psi.

5. Adjust relief valve as needed.

6. Remove pressure gage.

9

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