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L WARNING
6.2.7
Cleaning the fork arm
6.2.8
Replacing the fork arm
V1.07/2021
Danger to life due to damaged fork hooks!
Always observe the following:
– Perform all tests (including the UVV check to discover micro cracks) based on
ANSI/ITSDF B56.1. The service specialist will specify the scope of the test and
the test interval.
– Check the upper and lower hook for cracks, deformation, and wear.
– Check the upper hook particularly in the area below the weld.
Ä Chapter 6.2.7 "Cleaning the fork arm" on page 45 and
– If necessary, clean
Ä Chapter 6.2.8 "Replacing the fork arm" on page 45 the fork arm
dismantle
to do so.
– If damages are detected, prevent any further use of the folding fork arms.
Fork hooks are used for both power transmission and as the locking device.
Defective fork hooks (e.g., due to breakage) could cause the load to fall and
result in serious accidents.
Personnel:
n
Protective equipment:
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n
n
Observe the following points when cleaning:
Clean the folding fork arm on a regular basis.
n
n
Do not use high-pressure cleaning devices and do not use any aggressive cleaning
agents.
n
Clean the fork blade and fork back with a broom or brush.
n
Remove dirt or rust with suitable tools (e.g., wire brush).
Moving parts can freeze during operation in the minimum temperature range. In this
case, let the folding fork arms thaw and dry at room temperature.
Personnel:
n
Protective equipment:
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Folding fork armsTypes KGA, KGI, and DuoLoc
Maintenance activities > Replacing the fork arm
Driver of carrier vehicles
Protective clothing
Industrial hard hat
Protective gloves
Safety shoes
Driver of carrier vehicles
Protective clothing
Industrial hard hat
Protective gloves
Safety shoes
Maintenance
45
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