15
Aston®
Overhead Two Post Lift AL-100RH User’s Manual
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Check swing arm restraints.
5.2 WEEKLY MAINTENANCE (40 HOURS)
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Check anchor bolts torque to 150 ft-lbs for the 3/4''
anchor bolts.
Do not use impact wrench.
●
Check floor for stress cracks near anchor bolts.
●
Check hydraulic oil level.
●
Check cylinder mount for looseness and 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 - cleanliness - contamination is the most
frequent cause of malfunction or failure of hydraulic
equipment.
●
Check and tighten bolts and nuts, and screws.
●
Check cylinder puller assembly for free movement or
excessive ware on cylinder yoke or pulley pin.
●
Check cable pulley for free movement and excessive
ware.
5.3 YEARLY MAINTENANCE
●
Lubricate chain.
●
Grease rub blocks and column surface contacting rub
blocks.
●
Change the hydraulic fluid, good maintenance
procedure makes it mandatory to keep hydraulic fluid
clean. No hard-fast rules can be established, 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.
The following items should only be performed
by a trained maintenance expert.
●
Replace hydraulic hoses.
●
Replace chains and rollers.
●
Replace cables and sheaves.
●
Replace or rebuild air and hydraulic cylinders as
required.
●
Replace or rebuild pumps / motors as required.
●
Check hydraulic and air cylinder rod and rod end
(threads) for deformation or damage.
6. TROUBLE SHOOTING
See the following page.
