Differential: 3B-16
5) Remove the dial gauge and turn the front drive
(differential) gear 120°, then measure the backlash.
Repeat this procedure once more and compare the
difference of the three measurements. The backlash
should be re-checked until the backlash is within
specification. Check the table at the appropriate
shim thickness. If the backlash is too small, replace
the right side shim(-s) with a thicker one. If the
backlash is too large, replace the right side shim(-s)
with a thinner one. If the right side shim was
changed with a 0.10 mm thicker shim, replace the
left side shim with one that is 0.10 mm thinner.
NOTE
Adjust the backlash by referring to the table
and using the thickness of the removed
shims as a guide.
List of shims (for right side)
Left Side Shim Selection
1) Disassemble the front drive (differential) assembly.
Refer to “Front Drive (Differential) Assembly
Disassembly and Assembly (LT-A400F, LT-F400F)
(Page 3B-5)”.
2) Install the right side shim(-s) and front drive
(differential) gear assembly.
NOTE
Do not install the left side shim(-s) at this
time.
3) Put a few pieces of solder (O.D.: 1.2 – 1.5 mm (0.05
– 0.06 in) x L: 6 mm (0.24 in)) on the bearing outer
race, as shown in the figure.
Backlash Shim adjustment
Under 0.05 mm
(0.0020 in)
Increase shim thickness
0.05 – 0.10 mm
(0.0020 – 0.0040 in)
Correct
Over 0.10 mm
(0.0040 in)
Decrease shim thickness
Part No. Shim thickness
27445-38FA0
(Shim set: 16 pcs.)
0.70 mm (0.0276 in)
0.75 mm (0.0295 in)
0.80 mm (0.0315 in)
0.85 mm (0.0335 in)
0.90 mm (0.0354 in)
0.95 mm (0.0374 in)
1.00 mm (0.0394 in)
1.05 mm (0.0413 in)
1.10 mm (0.0433 in)
1.15 mm (0.0453 in)
1.20 mm (0.0472 in)
1.25 mm (0.0492 in)
1.30 mm (0.0512 in)
1.35 mm (0.0531 in)
1.40 mm (0.0551 in)
1.45 mm (0.0571 in)
I827H1320059-01
I827H1320060-02
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