J. D. NEUHAUS PROFI 25TI, Оригинальное руководство по эксплуатации и сборке

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Page 59
MAINTENANCE
LOAD HOOK
If the hook opening “a” or the height “h” of the load hook are outside
the wear limits, the hook must be replaced.
Check dimensions of load hook
Device type
Permissible max.
dimension of
hook opening
“a”
1)
Permissible min.
value of height
“h”
PROFI 25TI 83.4 80.8
PROFI 37TI / 50TI 110.2 116.9
Dimensions in mm
1) If a safety catch is fitted, the thickness of the safety catch must
be subtracted from the maximum hook opening dimension “a”.
WEAR DIMENSIONS FOR CHAIN SPROCKETS
Check dimensions for chain sprockets
Chain size d x t
[mm] x [mm]
z
[-]
a
[mm]
x
[mm]
4 60.0 0.45
23.5 x 66
5 59.6 0.45
a, x
=
Limit dimensions after max. permitted wear
z
=
Number of teeth of the chain sprocket
d x t
=
Nominal diameter times pitch of chain link
WEAR DIMENSIONS FOR CHAIN GUIDES
AND HOOK MOUNTS
Check the chain guides for wear and if the following wear
dimensions are reached with regard to chain guide diameters or
hook mounts in the centre section of the device, replace the
housing:
Chain diameter
23.5
Wear dimension 2.3
The wear dimension must be measured at the points on the guide
surfaces which have been worn down by the chain.