Inspection
5.52.172.00.01.02
19
12 Inspection
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12.1 Periodic
checks
Independently from the regulations of the individual countries, HADEF lifting devices must be checked at
least yearly by a qualified person or licensed qualified person regarding its functional safety.
In Germany it is necessary to observe the accident prevention regulations BGV D6, BGV D8, BGR 500 as
well as DIN 15020 (Basics for cable drives). In other countries, the above mentioned tests and the national
safety regulations apply.
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12.1.1
Components to be checked
The following must be checked:
Dimensions of load chain, load hooks, pawls, bolts, ratchet wheels, brake linings.
The dimensions must be compared to the dimensions in the tables.
A visual inspection for deformations, cracks and corrosion must be carried out.
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CAUTION!
When the wear limit is reached, the part must be exchanged by a new, original part.
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on
commissioning
daily
checks
1st mainte-
nance
after
3 months
Inspection
Maintenance
every
3 months
Inspection
Maintenance
every
12 months
Check screw connections
X
X
Check lifting, lowering functions.
X
X
Check brake function
X
X
Check free-wheeling of chain
(only applicable for ratchet lever hoists with free-wheeling
mechanism)
X X
Brake - check the brake disc thickness
X
Check sprocket wheels, ratchet wheels, pawls, bolts
X
Clean and lubricate the load chain
X
X
X
Check the load chain for elongation and wear
X
Check the load hook for cracks and deformation
X
Load hook - check the safety latch
X
X
Check and lubricate the bearing of the chain pulleys
X
X
Check the chain pulleys
X
X
Check the rubber end stops
X
X
X
Check the trolley wheels for wear
X
Check lubrication of the trolley driving pinion
X
X
X
Have the equipment checked by a qualified person
(periodic inspection)
X
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WARNING!
If one or several of the dimensions fall below or exceed the dimensions in the table, or if cracks or
corrosion are found, the parts must be replaced with original spare parts.
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12.2
Checking the load chain
acc. DIN 685-part 5
L11 = pitch increase over 11 chain links
L1 = pitch increase over 1 chain link
dm = detected link thickness
Illustration 7
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Chain dimensions
dimen-
sions
mm
Chain size
5x15 6,3x19,1 7,1x21 8x24 9x27
L11
171,4 216,6 238,8 272,1 300,8
L1
16,0 20,1 22,4 25,3 28,1
dm
4,6 5,7 6,5 7,2 8,2
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WARNING!
When the dimensions listed in the table are reached due to wear or deformation, the chain must be
replaced!
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