G-0WGK3L7DBK How to Test Genie Aerial Work Platform Auxiliary Pumps?
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By Eric chen | 01 September 2022 | 0 Comments

How to Test Genie Aerial Work Platform Auxiliary Pumps?

The following * is for Genie aerial work platforms S100, S105, S120 and S125, the full text has 9 steps, * for reference.

The Genie Aerial Work Platform Auxiliary Pump is a 2-section gear driven pump. Pump 1 is close to the motor and pump 2 is away from the motor. There are relief valves on each pump.

Tip: When removing a hose assembly or fitting, the O-ring must be replaced and tightened according to the torque instructions.

1. Disconnect and plug the high pressure oil pipe of the No. 1 pump.

WARNING: Risk of personal injury. Spilled hydraulic fluid can penetrate and burn the skin. When loosening hydraulic fittings, you need to be very slow, allowing the pressure to gradually release. Prevent hydraulic fluid from spraying or splashing.

2. Connect a 0-5000psi/0-345bar pressure gauge to the high pressure port of the No. 1 pump.

3. Switch the main switch to ground control and pull the emergency stop button.

4. Use auxiliary power supply for functional operation.

Result: If the pressure reads 2500psi/172bar, stop immediately. The pump is fine.

Result: If 2500psi/172bar is not reached, the internal relief valve is set incorrectly, or the pump is broken and needs to be repaired or replaced.


5. Turn off the main switch of the Genie aerial work platform.

6. Remove the pressure gauge and reconnect the hydraulic pipe.

7. Disconnect the hydraulic hose of the high pressure port of the No. 2 pump.

8. Connect a 0-5000psi/0-345bar pressure gauge to the high pressure port of the No. 2 pump.

9. Switch the main switch to ground control, and pull the emergency stop button of the Genie aerial work platform.

10. Use auxiliary power for functional operation.

Result: If the pressure reads 3000psi/207bar, stop immediately. The pump is fine.

Result: If 3000psi/207bar is not reached, the internal relief valve is set incorrectly, or the pump is broken and needs to be repaired or replaced.


11. Remove the pressure gauge and reconnect the hydraulic pipe of the Genie aerial work platform.

Special Note: If you do not have experience in repairing Genie aerial work platforms, please do not operate it yourself!

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