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CAUTION!
When the wear limit is reached, the part must be exchanged by a new, original part.
Check screw connections
Check lifting, lowering functions.
Check brake function
for ratchet lever hoists: Check free-wheeling mechanism of the
chain
Brake - check wear of brake lining
Check chain wheels, ratchet wheels and pawls.
Clean and lubricate the load chain.
Check the load chain for elongation and wear
Check the load hook for cracks and deformation
Load hook - check the safety catch
Check and lubricate the bearing of the chain pulleys.
Check the chain pulleys
Have the equipment checked by a qualified person
(periodic inspection)
Clean off of dust (don't use compressed air)
Check of corrosion
Surface coated – wear control for
Load chain, hand chain, hook, housing
Check grease - bearings
Check grease – pinion of trolleys *
Name plates – exist, check readability
Protection earthing – check (pneumatich equipment) *
*if applicable
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.
12.2
Checking the load chain
CAUTION!
The load chain must be tested over its entire length!
The measure of the load chain must be carried out especially in the areas which are subject to the highest
wear. Through the lifting movement, these are the contact points of the chain with sprocket wheel and
deflection pulleys.
acc. DIN 685-part 5
L11 = pitch increase over 11 chain links
L1 = pitch increase over 1 chain link
dm= detected link diameter (d1+d2)/2
Chain dimensions
Table 1
Dimensions
mm
3x9
L11
105,6
L1
9,9
dm
2,7
Table 2
Dimensions
mm
7,1x21
L11
238,5
L1
22,3
dm
6,4
16
at
commissioning
X
X
X
X
X
X
X
4x12
4,2x12,2
5x15
136,6
138,2
170,6
12,7
12,8
15,7
3,6
3,8
21,2
7,9x23
8x24
9x24,8
260,6
272,1
281,2
24,1
25,3
26,1
7,1
7,2
8,1
daily
1st maintenance
checks
after
3 months
X
X
X
X
X
X
X
X
X
X
X
X
X
Illustration 6
Illustration 7
Chain size
5,6x15,8
5,6x17
179,1
194,2
16,6
18
5,0
5,0
Chain size
9x27
10x28,1
10x30
300,8
318,6
28,1
29,6
8,2
9,0
Inspection
Inspection Mainte-
Maintenance
nance
every
every
3 months
12 months
X
X
X
X
X
X
X
X
X
X
X
X
X
X
6x18
6,3x19,1
7,1x20,1
203,9
216,4
227,9
18,9
20
21,2
5,4
5,7
6,4
13x36
16x45
340,7
408,3
505,6
31,8
37,9
47,4
9,0
11,9
14,4
5.52.190A.01.01.04
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