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MAINTENANCE SCHEDULE 
 
The periodic Preventive Maintenance Schedule given is the suggested minimum requirements and minimum 

intervals; accumulated hours or monthly period which ever comes sooner. Periodic maintenance is to be performed 
on a daily, weekly, and yearly basis as given in the following paragraphs. 

 

WARNING!! 

Occupational Safety and Health Administration (OSHA) and the American National Standards Institute (ANSI) 

requires users to inspect lifting equipment at the start of every shift. These and other periodic inspections are the 

responsibility of the user. 

Failure to perform the daily pre-operational check can result in expensive property damage, lost production time, 

serious personal injury, and even death. The safety latch system must be checked and working properly before the 

lift is put to use. 

Failure to heed this warning can result in death or serious injury, or damage to equipment. If you hear a noise not 

associated with normal lift operation, or, if there is any indications of impending lift failure - CEASE OPERATION 

IMMEDIATELY! - Inspect, correct and/or replace parts as required. 

 

Daily Pre-Operation Check (8-Hours) 

 

1. Check safety lock audibly and visually while in operation 

 

2. Check safety latches for free movement and full engagement with rack. 

 

3. Check hydraulic connections, and hoses for leakage. 

 

4. Check chain connections - bends, cracks-and loose links. 

 

5. Check cable connections- bends, cracks-and looseness. 

 

6. Check for frayed cables in both raised and lowered position. 

 

7. Check snap rings at all rollers and sheaves. 

 

8. Check bolts, nuts, and screws and tighten if needed. 

 

9. Check wiring & switches for damage. 

 

10. Keep base plate free of dirt, grease or any other corrosive substances. 

 

11. Check floor for stress cracks near anchor bolts. 

 

12. Check swing arm restraints. 

Weekly Maintenance (every 40-Hours) 

 

1. Check anchor bolts torque to 125 ft/lbs for the 

¾

 in. anchor bolts. Do not use an impact wrench to tighten anchor 

bolts. 

 

2. Check floor for stress cracks near anchor bolts. 

 

3. Check hydraulic oil level. 

 

4. Check and tighten bolts, nuts, and screws. 

 

5. Check cylinder pulley assembly for free movement or excessive wear on cylinder yoke or pulley pin. 

 

6. Check cable pulley for free movement and excessive wear. 

Yearly Maintenance 

 

 Lubricate chains 

Summary of Contents for HW-9KOH

Page 1: ...1 INSTALLATION MANUAL OPERATION INSTRUCTIONS OVERHEAD CAR LIFT 2 POST LIFT AUTO HOIST APlusLift HW 9KOH...

Page 2: ...rface Only on concrete surface a minimum of 4 thick and 3 500 psi tensile strength with steel or fiber mesh reinforcement DO NOT install this lift over concrete expansion joints or cracks Check with y...

Page 3: ...3 Caution Labeling Exemplification...

Page 4: ...4 TABLE OF CONTENTS 1 INTRODUCTION 2 INSTALLATION OPERATION 3 MAINTENANCE SAFETY...

Page 5: ...mns 16 Hex Bolts washers nuts for column extensions mounting to columns 4 lift arms 4 Arm pins Connect arms to carriage 1 Power Unit 220 Voltage single phase w manual release handle 4 Bolts washers nu...

Page 6: ...6 Fig 1 Diagram...

Page 7: ...7 Fig 2 Minimum size of a SLAB L100 x W216 x H6 3000PSI Or Two concrete footings 2 ft x 2 ft with 30 deep 3000PSI...

Page 8: ...are inside the columns or banded to the columns Remove the power unit box four swing arms from the lift next remove the bolts holding the two columns together Remove the top column from the bottom col...

Page 9: ...the cylinders are properly seated into the cylinder hole in the base plate If they are the round part of the cylinder will be sitting down on the steel flat Take the equalizer cables Using vise grips...

Page 10: ...Connect the short hose to 4 3 inches extended fitting in bottom of cylinder Connect Long hydraulic hose to the TEE fitting in power unit Run the long hose up the side of column Run the hose cross the...

Page 11: ...wire length more than 10mm wire size should be 4MM2 Diagram of electrical system for single phase MOTOR M1 Motor KM Contactor SB Button SQ Limit Switch HYDRAULIC FLUID Remove the vent plug from the to...

Page 12: ...e almost at the same time with each side When cables are adjusted properly they should be fairly tight DUAL POINT LOCK RELASE Figure 5 FINAL ASSEMBLY Check all bolts and nuts to make sure they are tig...

Page 13: ...proper weight distribution center of gravity should be midway between adapters Swing arms under vehicle to allow adapters to contact at the manufacturer s recommended pick up points Use caution before...

Page 14: ...all bolts and nuts every six months Hydraulic Oil If your lift will raise all the way to the top of the hydraulic tank is full of hydraulic oil The hydraulic oil should be changed once a year along w...

Page 15: ...ds Never use lift to raise one end or side of vehicle Always raise vehicle about 3 and check stability by rocking vehicle Prior to lowering vehicle walk around the lift and check for any objects that...

Page 16: ...ASE OPERATION IMMEDIATELY Inspect correct and or replace parts as required Daily Pre Operation Check 8 Hours 1 Check safety lock audibly and visually while in operation 2 Check safety latches for free...

Page 17: ...d rollers Replacement of cables and sheaves Replacement or rebuilding air and hydraulic cylinders as required Replacement or rebuilding pumps motors as required Checking of hydraulic cylinder rod and...

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