Disabled Passenger Lift DPT-512 | 68
SECTION 2 | SERVICING THE HIGH LIFT TRUCK
TROUBLE
PROBABLE CAUSE
SOLUTION
Moveable section on
front of platform will
not extend or retract.
Mechanical problem.
See Mechanical
Troubleshooting
section.
Defective linear
actuator.
Repair or replace
actuator.
Defective ramp extend/
retract switch.
Replace switch.
Defective relay K10.
Replace relay.
Defective circuit
breaker CB4.
Replace circuit
breaker.
Beacon and van
interior lights do not
function.
Relay K1 is defective.
Replace the relay.
Circuit breaker CB1 is
defective.
Replace the circuit
breaker.
Van front and rear
flood lights do not
function.
Relay K5 is defective.
Replace the relay.
Circuit breaker CB2 is
defective.
Replace the circuit
breaker.
Van clearance lights
do not function.
Relay K8 is defective.
Replace the relay.
Rear lift gate does not
function.
Body not fully down.
Lower body.
Lift gate override knob
pushed in.
Reset override knob.
135A circuit breaker
(CB6) tripped.
Isolate and repair
cause of overload and
reset circuit breaker.
Relay K11 defective.
Replace the relay.
Defective motor
solenoid.
Replace solenoid.
Defective control
switch.
Repair or replace
switch.
Defective power pack
motor, valve solenoid,
or other component.
Repair or replace as
needed.
Summary of Contents for 25781
Page 12: ...Disabled Passenger Lift DPT 512 12 FIGURE 1 1 1 DISABLED PASSENGER TRANSPORTER MODEL DPT 512...
Page 13: ...Disabled Passenger Lift DPT 512 13 FIGURE 1 1 1 DISABLED PASSENGER TRANSPORTER MODEL DPT 512...
Page 22: ...Disabled Passenger Lift DPT 512 22 FIGURE 1 1 10 HYDRAULIC COMPONENT GROUP...
Page 33: ...Disabled Passenger Lift DPT 512 33 FIGURE 1 2 1 1 CAB CONTROLS AND INDICATORS...
Page 36: ...Disabled Passenger Lift DPT 512 36 FIGURE 1 2 1 3 VAN BODY CONTROL STATION...
Page 38: ...Disabled Passenger Lift DPT 512 38 FIGURE 1 2 1 7 EMERGENCY OPERATING CONTROLS...
Page 57: ...Disabled Passenger Lift DPT 512 57 FIGURE 2 1 9 3 LUBRICATION POINTS...
Page 74: ...Disabled Passenger Lift DPT 512 74 FIGURE 2 3 1 HYDRAULIC COMPONENT GROUP...
Page 95: ...Disabled Passenger Lift DPT 512 95 FIGURE 4 2 5 PLATFORM ASSEMBLY 6 7 8 4X 2 3 8X 1 5 4 9...
Page 107: ...Disabled Passenger Lift DPT 512 107 FIGURE 4 2 11 CAB CONTROLS AND INDICATORS...
Page 109: ...Disabled Passenger Lift DPT 512 109 FIGURE 4 2 12 VAN BODY CONTROL STATION...
Page 111: ...Disabled Passenger Lift DPT 512 111 FIGURE 4 2 13 REAR VAN CONTROL STATION...
