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DISASSEMBLY AND REASSEMBLY
3. Tapered roller bearing preload adjustment
(1) Tighten adjusting nuts C2, right and left, to
settle them in place. Lock one of the nuts
with its lock plate Cl, and tighten or loosen
the other nut to adjust the preload. (Tight
ening the nut increases the preload.)
(2) Hook a spring balancer to the tooth of bevel
gear in mesh with the pinion with a wire,
pull the balancer in the tangential direction,
and read the balancer indication.
Item
Assembly standard
1
0.72 to 0.88 kgf.m
Preload
(5.2 to 6.4 lbf.ft)
[7.1 to 8.6 N.mJ
6.55 to 8.00 kgf
Spring balancer reading
(14.4 to 17.6 lbf)
[64.2 to 78.5 N]
4. Bevel gear and pinion backlash adjustment
(1) Put a fuse stock into between the bevel gear
and pinion at the place indicated as E, roll it
and measure the amount of flattening.
(2) Measure the backlash at a total of four
places by turning the bevel gear 9O~ at a
time, and take the smallest measurement for
comparison with the assembly standard.
(3) To adjust the backlash, tighten or loosen the
adjusting nuts, right and left.
602413
E
Unit: mm (in.)
602413
[~oT~]
If one nut in loosened, for instance, the
other nut must be tightened by the same
amount to keep the preload unchanged.
123
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