Points of Inspection
Type of
Outcome
Inspections
Hook Top/Bottom
Deformation of hook
visual
There should be no deformation of the hook.
Safety catch should close against the tip of the
hook securely.
Damage to the hook
visual
There should be no crack or serious damage
Bend in the neck of hook
visual
Hook should hang square to lifting unit or top hook
or to side plates (bottom block)
Suspension pin
visual
Should not be bent, cracked or worn
Side plates and suspension
visual
There should be no cracks, damage or wear
plates
Rivets, bolts and nuts
visual
All fasteners should be tight
Safety catch
visual
Should close properly
Chain
visual
Should be properly lubricated and free from
bends, nicks or stretch, rust and dust
Chain guide rollers
visual
Should rotate freely and keep chain in the pockets
of the chain wheel(s)
Functions
Lifting and Lowering
Lift and lower Hoist should operate smoothly and easily
a light load Pawl should click during lifting
of 25kg
Braking
Lift and lower Lifting and lowering operations should be smooth
the full safe and without any of the following defects
working load
1. Load falls if chain is released
2. Load falls while lowering
3. Load slips
12
Maintenance Check List
HOISTS
A5 Viper Chain Block Manual V2.indd 12
04/03/2014 07:33
