F 73 9
Bottom plates (2)
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Always use new bolts and nuts when in-
stalling new bottom plates!
- After removing the worn bottom
plates, the adhesions must be cleaned
from the contact surfaces of the chain
links and the nut seats.
- Place the bottom plate with the front
edge (A) over the chain links' bolt
eye (B).
- Lubricate the threads and the contact
surfaces beneath the bolt heads with a
thin film of oil or grease.
- Insert the bolts (C) into the holes and
screw them into the nuts (D) a few
turns.
- Tighten the bolts without applying significant torque.
- Tighten the bolts diagonally to the required torque 155 ± 8 Nm (E).
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Check that each bolt has attained the full tightening torque!
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