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7.4 Maintenance and care of the hoisting system
(1) Tightening of the waterproof gasket
If water leaks from the hoisting system
seal holder, loosen the four M8 bolts of
the seal holder, remove each spacer, and
tighten the M8 hexagon head bolts again.
(2) Lubrication of the hoisting system
Apply grease to the areas as follows once a month.
Wipe off any impure grease.
① Sliding area of hoisting pipe
Apply grease to the entire upper circumference of
the seal holder.
② Feed screw
Apply grease to the feed screw from the
clearance of the cover.
③ Drive gear
Open the cover of the gear box and apply grease
to the gear tooth surfaces.
After lubrication at each part is complete, perform
ascending and descending operation two times.
When using the manual handle operation, please confirm to make the “SWITCH OFF.”
If it is kept switch on, this device might suddenly be operated.
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General