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STRUCTURAL CHECK
1. Check for corrosion, distortion, crack welds or any damage or deterioration to the hoist structural
components. Replace faulty components.
2. Check all bolts, screws and fasteners are tight starting from the arms and working up to the
overhead beam assembly.
SAFETY OPERATION TEST
1. Lower Hoist to ground
2. Remove load from hoist and clear area.
3. Check all 4 arms pivot freely
4. Remove both Release Cable Covers
5. Raise hoist to top of travel while watching and listening to check that the locking toggles on both
sides are engaging and releasing simultaneously.
6. Check that the limit switch stops motor operation when hoist reaches maximum travel limit.
7. Lower hoist to approximately 1m from the ground.
8. Lift arms to check for excessive play (indicating wear) around pivot pins.
9. Pull arms out to full extent to check extension stops.
10. Check all 4 Arm Locks;
a. While rotating the arms, lift and release the arm lock to check engagement at different
rotations.
b. Lock the arms at their normal working position and apply a firm sideways force to check they
are restraining movement.
c. Inspect the condition of the arm lock teeth
d. Check the arm lock disc securing bolts are tight
11. Raise hoist and simultaneously activate the overhead limit switch to ensure it stops motor operation
when engaged.
12. Lower hoist onto locks to check carriage is positively held by locking toggles on both sides.
13. Lower hoist to ground to check lock release system is working and properly adjusted.
14. Check balance cables are in good condition and functioning correctly.
PICKUP PADS
Check pickup pads rubber are in good condition, replace if necessary.
Wind the pad all the way down and all the way up. If not retained at the extent of the height limit, check for
damage and replace components where necessary. If the pad thread is damaged, replace the assembly.
Pickup Pad Replacement
1. Unscrew pickup pad retaining screws.
2. Pull rubber pad section away from pickup pad assembly.
3. Fit new rubber pad to pickup pad assembly.
4. Secure by refitting pickup pad retaining screws.
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