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PAGE 43
PLATFORM LOWERS SLOWLY
1. Check the “B” and “C” Valve Coils (located in the Pump Box), for power.
Place a screwdriver about 1/4” from the Solenoid and energize the unit. If the
screwdriver is
not drawn to the energized solenoid the solenoid must be
repaired or replaced.
1/4”
VALVE
COIL
VALVE CARTRIDGE
SOLENOID
“B”
SOLENOID
“B”
SOLENOID
“C”
SOLENOID
“C”
2. To clean the Valve, remove the Valve Coil from
the Valve Cartridge. Using a paper clip, push on
the Plunger inside the Valve Cartridge. It should
move freely approximately 1/8”. Inspect O-Ring
and wash the Cartridge in solvent to remove any
foreign substances inside the Cartridge. If Plunger
still does not move freely (approx. 1/8”), then
replace the Valve Cartridge.
OLD STYLE PUMP NEW STYLE PUMP
3. Check the Pressure Compensation Valves. (Ref. Platform Lowers Uneven)
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