11-42
MAST CHAINS
INSPECTION • ADJUSTMENT
Inspection:
1. To check if the chain links are worn out, follow the
appropriate rules:
SST 09631 - 22000 - 71
2. The chains must be replaced when, in a portion
correspondig to 34 pitches, only 33 pitches are found
Note:
Perform measurement without removing the chain
from the vehicle. Inspect elongation over the entire
chain length as it may be localized.
Adjustment:
(1)Park the vehicle on a flat surface and set the mast in
vertical position
(2)Remove the forks
(3)Check if the measure X is respected according to the
following ISO tables
(4)Adjust to eliminate any chain sag by turning the
adjusting nylon nut
(5)Check to see if the chain tension is equal on left and
right sides
(6)Check that the chains are not twisted
(7)Check that the lifting higher meets the standard
(8)In the upper position, check that the end stroke plate is
not in contact with the fork carriage
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