RING GEAR TORQUING
The gear and bearing assembly consists of an inner race and ring gear, an outer race,
bearing rollers, spacer and a seal ring. The inner race is bolted to the carrier; the outer race
to the turntable.
A number of causes can reduce tension in the bolts when torquing and after use. These
include rust on the threads, damaged or rough threads on bolts and nuts, shanks of bolts
which hang up on holes, etc. All of these causes have a tendency to absorb the torque
when bolts are being tightened.
It is important to make periodic checks of the ring rear bolts. The bolts MUST be kept
torque tightened.
Torque the inner race first, then the outer race as shown in the bolting sequence. Torque
the 7/8 inch, 12 point, bolts to 720 Ft.Lbs. (976 NM)
269REVISED:
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