Hunter RL - Page 24

20  6. Troubleshooting RL, RLHD OPERATION MANUAL
Troubleshooting (continued)
PROBLEM
POSSIBLE CAUSE
SOLUTION
“RAISE” button depressed,
motor runs but lift raises
slowly.
One or both 2-way valves manually
operated.
Turn OFF shop power.
Remove control console rear panel.
Depress 2-way valve(s) manual override
knob and turn clockwise into detent
position. Replace rear panel.
Vehicle is beyond capacity {8,000 lb.
(3628 kg) for RL, 16,000lb. (7256 kg)
for RLHD}
Do not attempt to lift vehicles in excess
of: 8,000 lb. (3628 kg) for RL, 16,000lb.
(7256 kg) for RLHD.
“RAISE” button depressed,
motor runs but lift lowers.
2-way and 4-way valves manually
operated.
Turn OFF shop power.
Remove control console rear panel.
Depress 2-way and 4-way valves manual
override knob and turn clockwise into
detent position. Replace rear panel.
Electrical/Hydraulic control malfunction.
Contact factory service representative.
“RAISE” button depressed,
lift rises but no sound of
mechanical locks passing
through detents.
Lock mechanism binding.
Clean and lubricate lock mechanism
pivot points. If condition remains, contact
factory service representative.
Hydraulic system malfunction.
Contact factory service representative.
Safety ratchet not fully
engaged.
Misalignment of ratchets.
Contact factory service representative.
“LOWER” button depressed,
motor runs and lift continues
to rise.
Electrical/Hydraulic control malfunction.
Contact factory service representative.
“LOWER” button depressed,
motor runs but lift does not
move.
4-way valve manually operated.
Turn OFF shop power.
Remove control console rear panel.
Depress 4-way valve manual override
knob and turn clockwise into detent
position. Replace rear panel.
Vehicle is beyond capacity {8,000 lb.
(3628 kg) for RL, 16,000 lb. (7256 kg)
for RLHD}
Do not attempt to lift vehicles in excess
of: 8,000 lb. (3628 kg) for RL, 16,000 lb.
(7256 kg) for RLHD.
Hydraulic system malfunction.
Contact factory service representative.