Windsor QTFSG, QTFSD manual Hydraulic Schematic Hydraulic Troubleshooting, Problem Cause Solution

HYDRAULIC SCHEMATIC

HYDRAULIC TROUBLESHOOTING

PROBLEM	CAUSE	SOLUTION
Hopper will not lift	Loss of power to rocker	Key switch must be on check circuit breaker
	switch
	Low hydraulic fluid	Add hydraulic fluid
	Hopper overloaded	Empty hopper
	Rocker switch failure	Test – replace switch
	Speed control orifice	Clean or replace orifice (located behind the lower
	plugged	cylinder fitting)
	Pump solenoid failure	Replace pump solenoid
	Check valve failure	Replace check valve or solenoid
	Lift cylinder failure	Replace cylinder seals
	Gear pump failure	Replace pump or pump motor
Hopper will not lower	Loss of power to rocker	Key switch must be on, check circuit breaker
	switch
	Rocker switch failure	Test – replace switch
	Speed control orifice	Clean or replace orifice (located behind the lower
	plugged	cylinder fitting)
	Check valve failure	Replace check valve or solenoid

4-15 QTFSG/QTFSD 98349 05/15/03