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PROBLEM
CAUSE
POSSIBLE SOLUTION
Machine Will Not:
Lift
Lift valve not open.
Open lift valve one turn.
Loose quick coupler on lift ram.
Tighten.
Other valves open.
Close all other valves.
Too much weight at rear of machine.
Move vehicle forward on machine.
Vehicle weight exceeds 6,500 lbs.
Do not attempt to load vehicle.
(2925 kg.) capacity.
Inadequate hydraulic pressure.
Check pressure gauge to see if 2.5 ton
of hydraulic pressure is being used, and
increase pressure if it is not.
Object under pedestal.
Lower machine and remove object.
Lower
Lift valve not open.
Open lift valve one turn.
Loose quick coupler on lift ram.
Tighten.
Restrictor valve spring has lost some of
Remove restrictor valve spring located
its strength.
in block next to lift valve, and stretch it
slightly. Reinsert spring and try again.
CAUTION: Machine must be sup-
ported by machine’s stiff
legs before removing
restrictor valve spring.
Object under lift mechanism.
Raise machine and remove object.
Dirt in restrictor swivel orifice.
Disassemble and clean.
Swing Hard
Ring grooves are dirty.
Clean and regrease. See Machine
Maintenance, Page 9.
Bent tower rings.
Repair or replace. Contact Chief
Automotive Service Representative.
Crushed ring bearings.
Replace bearings. Contact Chief
Automotive Service Representative.
To Mainframe Gap Exceeds 7/16 inch
Improper use.
Readjust tower. Straighten tower ring.
Contact Chief Automotive Service
Representative.
Jump When Swung
Pedestal is dented.
Repair or replace pedestal. Contact Chief
Automotive Service Representative.
!
Towers:
Collars Jump:
Under Load
Improper fit between collar and
Refit collar. Contact Chief Automotive
tower pipe.
Service Representative.
When Pressure Is Released
Defective surge valve.
Replace surge valve. Contact Chief
Automotive Service Representative.
Improper fit between collar and tower
Refit collar. Contact Chief Automotive
pipe.
Service Representative.
FOR ADDITIONAL TROUBLESHOOTING INFORMATION OR A SERVICE ENGINEER, CONTACT CHIEF AUTOMOTIVE
SYSTEMS, INC., 1-800-445-9262 (TOLL FREE).
(11mm)
R
CHIEF EZ LINER S21M
USERS MANUAL
13
Machine Will Not: