4
5
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
Test with rated weight
for min 300 mm
Load chain sprocket and chain work well together.
Brake works.
Hand pulling on the hand chain feels even and
not too heavy
Hooks
X
-
X
Hook opening
Visual
Measurements
Looks normal
See Fig. 4 and Table 1
X
X
Deformation
Visual
No visibel deformation
X
Hook bearing
Visual
No abnormal play
X
-
X
Wear, cracks, deformation and corrosion
Visual
Measurements
No visible damage
See Fig. 4 and Table 1
X
Hook bearing
Visual
No abnormal play
Load chain
X
-
X
Pitch
Visual
Measurement
Looks normal. Measure in case of doubt
See Fig. 5 and Table 2
X
-
X
Wear
Visual
Measurement
Looks problem-free.
Measure in case of doubt
See Fig. 5 and Table 2
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
Frame
Visual
No deformation and no rust
X
X
Gearbox
Visual
No deformation
-
X
Gears
Visual after dismantling
No serious wear or fractures
-
X
Load chain sprocket
Visual after dismantling
No serious wear or cracks.
No fractures or deformation
-
X
Hand chain sprocket
Visual
No serious wear or cracks.
No fractures or deformation
-
X
Bearings
Visual, testing
No damage, smooth running
Screws
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
