Axles No. 3 and No. 4 Maintenance Instructions (Cont)
10-10. DIFFERENTIAL CARRIER, AXLE NO. 3 (AXLE MODELS 480, 580, AND 650) REPAIR
l To change spacer, remove pinion from bearing cage
and outer bearing from pinion.
l Turn bearing cage back and forth while applying
pressure to be sure bearings are well lubricated.
Install pinion gear (38) on pinion (37). Position
pinion in press and apply 1 to 2 tons load to pinion
Turn bearing cage (30) by hand to make sure bearings
are not binding. If bearings are binding, release
pressure, then reapply pressure.
(49) Lower press ram for load of 18 to 20 tons (16.3 to
18.2 metric tons).
(50) Measure pinion bearing preload. Wrap soft wire
around bearing cage (30) twice and fasten one end of
wire in bearing cage screw hole. Fasten other end of
wire to spring scale.
(51) Pull on spring scale until bearing cage (30) begins to
turn. Check that spring scale reads 5 to 12 lbs
(2.25 to 5.5 kg). If spring scale reading is correct, go
to step (58). If reading is too low, go to step (55). If
reading is too high, continue with step (52).