CHIEF Kahuna, User Manual

Page: 29 / 32

KAHUNA
Users Manual
27
TROUBLESHOOTING
PROBLEM CAUSE POSSIBLE SOLUTION
Pump will not Run Power cord disconnected Plug in power cord
Power cord damaged Inspect power cord for damage. Contact Chief Automotive service
representative for repair or replacement if necessary
Circuit breaker tripped or
blown fuse Reset circuit breaker or replace fuse on circuit board inside cabinet
Pendant not connected Connect pendant to pump cabinet
Damaged pendant cord Inspect pendant cord for damage. Contact Chief Automotive
service representative for repair or replacement if necessary.
Faulty wiring connections Contact Chief Automotive service representative.
Bad Pendant Inspect pendant. Contact Chief Automotive service representative
for repair or replacement if necessary.
Bad motor start relay Replace motor start relay. Contact Chief Automotive service
representative for replacement.
Faulty power unit switch Contact Chief Automotive service representative for replacement.
Inadequate power Rewire facility to comply with local electrical code. Add dedicated
line with 20 amp breaker.
Pump will not build
pressure or builds
pressure slowly Hydraulic fluid low Fill fluid reservoir to within 1” (25 mm) of top with SUS215 viscosity
@ 100°F (38C) 10W hydraulic oil with all cylinders down and
machine in loading position.
Contamination in pump
unload valve Remove and inspect pump unload valve. Contact Chief
Automotive service representative.
Pump will not hold
pressure Hydraulic oil leak Check hoses, fittings, and quick couplers for leaks. Tighten or
replace if necessary
Contamination in pump
unload valve Remove and inspect pump unload valve. Contact Chief
Automotive service representative.
Lift Mechanism does
not move up and
down smoothly Vehicle not centered on lift Move vehicle location on the lift for more equal weight distribution.
Air in hydraulic system Bleed hydraulic system. Contact Chief Automotive service
representative.
Lift will not raise Power switch off Turn power switch on.
Too much weight Adhere to 5,500 lb. total weight limit.
Pump not building pressure See pump troubleshooting.
Lift does not lift its
rated capacity Vehicle not centered on lift Move vehicle location on the lift for more equal weight distribution.
Pump not building pressure See pump troubleshooting.
Lift will not lower Bad pump unload valve Contact Chief Automotive service representative for replacement.
Bad unload valve coil Check for magnetic field at the coil. Contact Chief Automotive
service representative for replacement if necessary.
Pneumatic lock release
cylinder not fully extending. Verify 100 psi air pressure. Check for leaks in the air supply tube
and fittings. Contact Chief Automotive service representative.
Vector pulling cylinder
will not extend Auxiliary line valve closed Open auxiliary line valve one turn
Auxiliary line not connected
to cylinder Connect auxiliary line to cylinder.
Foot pump will not build
pressure See foot pump problems below.
Vector pulling cylinder
will not retract Auxiliary line valve closed Open auxiliary line valve one turn
Auxiliary line not connected Connect auxiliary line to cylinder
Foot pump fails to
shut off Valve in pump has failed Contact Chief Automotive service representative.
Foot pump is not
pumping fluid or
building pressure Foot pump needs primed. See information on priming the pump in the Maintenance section of
this manual