Palfinger PLR - Page 23

30 Ft. x 2 ga. Battery Cable
Power - #4 Black
Raise - #5 Black
Lower - #6 Black
Ground - Lower Solenoid - Black
Motor
Solenoid
Toggle Control Switch
2 ga.
Ground Cable
Electric Motor
150 amp
Circuit Breaker
Raise
Power Down
10 A Fuse
Power - Black
Main Liftgate
Power - Brown
Power - Blue
12 volt power supply
Ground - Lower Solenoid - Black
Shift Solenoid - Yellow
Lower Solenoid - Black
Ground - Yellow
Shift Valve
S5
Lower Valve
S1
Lower Valve
S2
Diode Cover
Lower Solenoid - Black
MBB
Power Down Harness with Diode
RAISE
Pump Reservoir
Motor
Overheat
ACTIVE GROUND
ACTIVE POWER WIRE OR COMPONENT
INACTIVE POWER
8. GROUND FROM LIFTGATE MOTOR TO CHASSIS/BATTERY
1. 12 VOLTS FROM 150 AMP CIRCUIT BREAKER AT BATTERY TO MOTOR SOLENOID
2. 12 VOLTS FROM MOTOR SOLENOID TO CAB CUT-OFF SWITCH
3. 12 VOLTS FROM CAB CUT-OFF SWITCH TO UP-DOWN TOGGLE SWITCH
4. POWER FROM #5 (UP WIRE OF TOGGLE SWITCH TO MOTOR SOLENOID
5. GROUND FROM MOTOR SOLENOID THROUGH MOTOR OVERHEAT SENSOR
6. 12 VOLTS AT MOTOR TERMINAL OF MOTOR SOLENOID
7. 12 VOLTS AT POSITIVE TERMINAL OF MOTOR
MOTOR WON'T RUN WITH SWITCH IN UP POSITION
CHECK THE FOLLOWING:
MOTOR RUNS, GATE WON'T RAISE
CHECK THE FOLLOWING:
1. DISCONNECT POWER TO SHIFT VALVE, IF GATE
RAISES CHECK DIODE IN POWER DOWN
HARNESS
2. IF GATE WILL STILL NOT BUILD PRESSURE, LOWER
GATE AND TILT IT DOWN, POWER GATE OFF,
REMOVE, CLEAN AND/OR REPLACE SHIFT VALVE
S1 & S2 - Release Valve for Lowering
R1 & R2 - Flow Restrictor for limiting lower speed.
S5 - Shift Valve is activated upon LOWER function only.
Pilot to close check valve is NOT used on full time PD.
Raise = M
Power Down = M + S1&S2 + S5
Cab Shut-Off
Ground
Power
Load
Ground - Green/Yellow
Ground - Green/Yellow
Ground
- Green/Yellow
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