GPT-4 Maintenance Manual

	Introduction
	Warning
	Peroidic Maintenance Checklist
	Pump Pressure Adjust Setting
	Control Switch, Power Down
	Harness & Switch Assembly
	Fused Power Cable
	Wire Connections
	Hyd. Hose Routing, Power Down
	262256 Pump, Power Down
	GPT-4LM Assembly
	Decals, GPT Series
	Kit, Low Voltage Switch (LVTS)

Troubleshooting

	Platform Will Not Raise
	Platform Raises But Leaks Down
	Platform Raises Partially And Stops
	Liftgate Will Not Lift Rated Capacity
	Platform Raises Slowly
	Pump Will Not Operate
	Platform Lowers Too Fast or Too Slow
	Platform Will Not Lower
	Liquid Sealant Application