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Operation
Seat Roller ReplacementMaintenance
1
1-12
96OS-969700doc020113
Operation
1.4
Seat Roller ReplacementMaintenance
When replacing seat roller bearings, be careful not to overtighten the nuts that secure the
bearings to the frame.
CAUTION!
Overtightening the seat roller nuts may damage
the threads on the bearing stud and/or the nut.
Maximum torque used to tighten the nuts is 65 ft.-lbs. (dry threads) or 32 ft.-lbs. (oiled
threads).
Clean and repack the roller bearings every 250 hours of operation. Remove the bearing
tires, retainer rings, and grease seals. Clean the bearings with mineral spirits. Repack the
bearing with NLGI No. 2 grade lithium grease.