STINAR 25781, Operation & Maintenance Manual

Page: 64 / 112

Disabled Passenger Lift DPT-512 | 64
SECTION 2 | SERVICING THE HIGH LIFT TRUCK
TROUBLE PROBABLE CAUSE SOLUTION
Stabilizer legs will
not extend when
stabilizers down
switch is engaged.
Body not fully lowered. Lower van body.
No control power.
Set parking brake, put
transmission in park,
and check stop switch
in van body.
Defective control
valve stabilizers down
solenoid.
Replace solenoid.
Defective stabilizers Replace switch.
control switch.
Stabilizer legs extend,
but will not retract.
Body not fully lowered. Lower van body.
Defective body position
switch.
Repair/replace switch.
Defective control valve
stabilizers up solenoid.
Replace solenoid.
Cab and van
stabilizers down
indicators do not
function properly.
Stabilizer limit switch(es)
improperly adjusted or
defective. Adjust, repair,
or replace limit
switch(es).
Defective indicator light.
Repair or replace
indicator.
Cab and van
stabilizers set
indicators do not
function properly.
Stabilizer pressure
switch improperly
adjusted or defective.
Adjust or replace
switch. See
Chapter 2, Section 3.
Defective indicator light.
Repair or replace
indicator.
Van body will not raise
when a BODY control
switch is held in the
UP position.
Stabilizers not down and
set.
Fully lower stabilizers.
Malfunctioning
hydraulic pump. Repair hydraulic
pump.
Defective maximum
height switch.
Repair or replace
switch.