17
Checklist for periodic checks (normally yearly
– more frequently if necessary)
Daily
Yearly
Inspection items
Inspection method
Note
Labels
X
X
Rating plate
Visual
If the plate is hard to read - replace it
Function
X
X
Raising and lowering
function
Test without load
A low snapping noise should be audible
–
X
Raising and lowering
function
Try with 125% of rated
load over a distance of
min. 300 mm.
The lever runs easily. Load chain sprocket
and chain work well together Brake works.
The chain does not twist or tangle Hand
pulling on the lever feels even
X
X
Selector
Operation
Easy to reset
X
X
Neutral
Operation
Function
Hooks
X
–
X
Hook opening
Visual
Measurement
Looks normal
See Fig. 5 and Table 2
X
Deformation
Visual
No visible deformation
X
X
Hook bearing
Visual
No abnormal play
X
–
X
Wear, cracks, defor-
mation and corrosion
Visual
Measurement
No visible damage
See Fig. 5 and Table 2
X
X
Hook latches
Visual
Works, spring entire
Chain
X
–
X
Pitch
Visual
Measurement
Looks normal.
Measure in case of doubt
See Fig. 7 and Table 3
X
–
X
Wear
Visual
Measurement
Looks problem-free. Measure in case of
doubt
See Fig. 7 and Table 3
X
X
Deformation
Visual
No deformation. Measure in
case of doubt.
X
X
Cracks etc.
Visual
No cracks
X
X
Rust
Visual
No rust
Housing
X
X
Housing
Visual
No deformation and no rust
–
X
Operating lever
Visual
No deformation
–
X
Load chain sprocket
Visual after dismantling
No serious wear or cracks. No fractures or
deformation
–
X
Bearings
Visual, testing
No damage, smooth running
–
X
Gears
Visual after dismantling
No serious wear or fractures
X
X
Chain stop
Visual
Must be free of deformation
Screws
X
X
Screws, nuts, rivets,
cotters etc.
Visual
Must not be missing. Tighten loose items.
Replace as necessary
Brake
–
X
Brake disk
Visual
Replace if worn
–
X
Brake screw
Visual
No serious wear
–
X
Pawl and ratchet.
Visual
Replace worn parts..
Carefully lubricate with grease.
