Car Hoist Preventative Maintenance Schedule – Autohoist Australia Skip to content

The periodic Preventive Maintenance Schedule given is the suggested minimum requirements and minimum intervals; accumulated hours or monthly period, whichever comes sooner. Periodic maintenance is to be performed on a daily, weekly, and yearly basis as given in the following paragraphs.

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

  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

  1. Lubricate chains

  2. Grease rub blocks and column surface contacting rub blocks

  3. Change the hydraulic fluid; – operating temperature, type of service, contamination levels, filtration, and chemical composition of fluid should be considered. If operating in dusty environment shorter interval may be required.

 

Special Maintenance Tasks

NOTE: The following items should only be performed by a maintenance expert/competent person as per AS1418.9:

• Replacement of hydraulic hoses.

• Replacement of chains and rollers.

• Replacement of cables and sheaves.

• Replacement or rebuilding hydraulic cylinders as required.

• Replacement or rebuilding pumps / motors as required.

• Checking of hydraulic cylinder rod and rod end (threads) for deformation or damage.

Relocating or changing components may cause problems. Each component in the system must be compatible; an undersized or restricted line will cause a drop in pressure. All valve, pump, and hose connections should be sealed and/or capped until just prior to use. Air hoses can be used to clean fittings and other components. However, the air supply must be filtered and dry to prevent contamination. Most important is cleanliness; Contamination is the most frequent cause of malfunction or failure of hydraulic equipment.

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