30
Every six months:
1.
Make a visual inspection of all moving parts for possible wear, interference or
damage.
2.
Check and adjust as necessary, equalizer tension of the cables to insure level lifting.
3.
Check columns for plumbness.
4.
Check rubber pads and replace as necessary.
5.
Check safety device and make sure proper condition.
VIII. TROUBLE SHOOTING
TROUBLE
CAUSE
REMEDY
Motor does not
run
1. Button does not work
2. Wiring connections are not in good
condition
3. Motor burned out
4. Height Limit Switch is damaged
5. AC Contactor burned out
1. Replace button
2.Repair all wiring connections
3. Repair or replace motor
4.Replace the Limit Switch
5. Replace AC Contactor
Motor runs but
the lift is not
raised
1. Motor runs in reverse rotation
2. Gear Pump out of operation
3. Release Valve in damage
4. Relief Valve or Check Valve in damage
5. Low oil level
1.Reverse two power wire
2.Repair or replace
3. Repair or replace
4.Repair or replace
5.Fill tank
Lift does not
stay up
1. Release Valve out of work
2. Relief Valve or Check Valve leakage
3. Cylinder or Fittings leaks
Repair or replace
Lift raises
slowly
1. Oil line is jammed
2. Motor running on low voltage
3. Oil mixed with Air
4. Gear Pump leaks
5. Overload lifting
1. Clean the oil line
2. Check electrical system
3. Fill tank
4. Replace Pump
5. Check load
Lift can not
lower
1. Safety device are locking
2. Release valve in damage
3. Safety cable broken
4. Oil system is jammed
5. Hydraulic Solenoid valve does not work.
1. Release the safeties
2. Repair or replace
3. Replace
4. Clean the oil system
5. Replace
Summary of Contents for HS-12
Page 1: ...TWO POST LIFT Model HS 12 ...
Page 2: ......
Page 4: ...0 ...
Page 6: ...2 Arm Swings View For Model HS 12 Fig 2 ...
Page 12: ...8 D Install parts of extension columns See Fig 15 Fig 15 ...
Page 28: ...24 IV EXPLODED VIEW Model HS 12 Fig 37 Car in direction ...
Page 29: ...25 Main Cylinder Secondary Cylinder Fig 38 Fig 39 ...
Page 39: ...35 ...
