AAQ AutoLift AL-167251, Installation Manual & Operation Instructions

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slowly after being
raised
The oil cylinder is not tightened. Replace the seal.
The single valve leaks. Clean or replace it.
Solenoid valve fails to work well. Clean or replace it.
Steel cable is loose or not with same tightness Check and adjust the tightness.
Raising too slow
The oil filter is jammed. Clean or replace it.
Oil level is too low. Add oil.
The overflow valve is not adjusted to the right position. Adjust it.
The hydraulic oil is too hot ( above 45°
）
. Change the oil.
The seal of the cylinder is abraded. Replace the seal.
Inside surface of the post is not well greased. Add grease.
Lowering too slow
The throttle valve jammed. Clean or replace.
The hydraulic oil is dirty. Change the oil.
The anti-surge valve jammed. Clean it.
The oil hose jammed. Replace it.
The steel cable is
abraded
No grease when installation or out of lifetime Replace it.
MAINTENANCE
Easy and low cost routine maintenance can ensure the hoist work normally and safely. Following are requirements for
routine maintenance. Frequency of routine maintenance is determined by working condition and frequency.
THE FOLLOWING PARTS ARE NEEDED TO BE LUBRICATED
6.1. Daily checking items before operation
The user must perform daily check. Daily check of safety lock system in very important – the discovery of device failure before action
could save time and prevent great loss, injury or casualty.
·Before operation, judge whether the safety locks are engaged by sound.
·Check whether oil hose well connected and whether it leaks or not.
·Check the connections of chain and steel cable and check the power unit.
·Check whether expansion bolts are firmly screwed.
S/N Name
1 chain wheel shaft
2 slider
3 chain wheel shaft