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MAINTENANCE
FEBRUARY 2014
32DSST04.D.4
S-SERIES PUBLIC USE SERVICE MANUAL
D. TROUBLESHOOTING
The troubleshooting guides are designed to provide logical starting points to locate general problems that could occur
with lift. However, not all possible problems or combinations of problems are listed. For troubleshooting lift, refer to
Tables 3-2
and
3-3
. The guides do not incorporate routine safety precautions or preliminary procedures and assume
that vehicle battery is fully charged and battery terminals/connectors are clean and tight.
WARNING
THE TROUBLESHOOTING GUIDES DO NOT INCORPORATE ROUTINE SAFETY
PRECAUTIONS OR PRELIMINARY PROCEDURES. DURING THE RICON WARRANTY
PERIOD A TRAINED, RICON DEALER OR QUALIFIED SERVICE TECHNICIAN MUST
PERFORM TROUBLESHOOTING. AFTER THE WARRANTY PERIOD, IT IS
RECOMMENDED THAT TROUBLESHOOTING BE CONTINUED BY A RICON DEALER OR
QUALIFIED SERVICE TECHNICIAN.
1. LIFT
TROUBLESHOOTING
TABLE 3-2: TROUBLESHOOTING LIFT OPERATION
SYMPTOM
POSSIBLE CAUSE
REMEDY
Hydraulic fluid leaks
Loose hydraulic fitting.
Make sure fitting is PROPERLY tightened.
Hydraulic component
defective.
Discontinue use of lift. Have repairs made by a Ricon deal-
er or qualified service technician.
Rollstop does not open
Obstruction of rollstop
release latch.
Raise lift and remove obstruction.
Lift
functions
Abnormal
Operation.
Obstruction in lifting frame.
Remove obstruction and check for any damage
Backup pump manual release
valve OPEN.
Turn manual release valve CLOCKWISE until slightly snug.
Hydraulic fluid may be low.
While platform is at GROUND LEVEL, be certain that pump
hydraulic fluid level is maintained at required FULL level.
Add only Texaco 01554 Aircraft Hydraulic Oil or equivalent
U.S. mil spec H5606G fluid.
Air may be trapped in
hydraulic system.
Purge hydraulic system by operating lift through its maxi-
mum range of travel for at least four complete cycles. (For
vehicles that do not use full travel of lift, the maximum range
of travel is accomplished by raising vehicle on a service
hoist or ramp.)
No Operation.
Control system circuit breaker
tripped.
Reset circuit breaker.
Backup pump manual release
valve OPEN.
Turn manual release valve CLOCKWISE until slightly snug.
Hydraulic hose or fitting leak.
Contact a Ricon dealer for repair.
Hydraulic fluid may be low.
While platform is at GROUND LEVEL, be certain that pump
hydraulic fluid level is maintained at required FULL level.
Add only Texaco 01554 Aircraft Hydraulic Oil or equivalent
U.S. mil spec H5606G fluid.
Air can be trapped in
hydraulic system.
Purge hydraulic system by operating lift through its maxi-
mum range of travel for at least four complete cycles. (For
vehicles that do not use full travel of lift, the maximum range
of travel is accomplished by raising vehicle on a service
hoist or ramp.)
END OF TABLE