TRANSMISSION
KUKJE MACHINERY CO., LTD.
103
5. CHECKING, DISASSEMBLING AND SERVICING
< Backlash between spiral bevel pinion and spiral
bevel gear >
1. Set the dial indicator(lever type) with its finger
on the end of spiral bevel pinion(4).
2. Move the spiral bevel pinion back and forth to
each end and measure the side clearance.
3. If the side clearance exceeds the factory
specifications, adjust with the shims(3) at front
end of the spiral bevel pinion.
4. Set the dial indicator(lever type) with its finger
on the tooth surface of the bevel gear.
5. Measure the backlash by fixing the spiral bevel
pinion(4) and moving bevel gear(2) by hand.
6. If the backlash exceeds the factory specifications,
adjust with the shims(1),(5) at bearing holder(6)
and differential case.
7. Adjust the backlash properly by repeating the
above procedures.
Side clearance
of spiral bevel
pinion
Factory spec.
Less than 0.15 mm
0.0059 in.
Factory spec.
0.1 too 0.3 mm
0.004 to 0.012 in.
Backlash between
spiral bevel pinion
and spiral bevel
gear
Allowable limit
0.4 mm
0.016 in.
▷ Reference
9 Thickness of shims(1), (5)
=> 0.2mm(0.008in.), 0.5mm(0.020in.)
9 Thickness of shims(3)
=>0.2mm(0.008in.), 1.8mm(0.071in.),
1.4mm(0.055in.)
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