AXLES/DRIVE SHAFTS/WHEELS AND TIRES CD3340B/YB4411
8-26
Published 04/07/2015 Control # 569-00
11. Install SPECIAL TOOL P/N 1901769 to the end of the
pinion shaft (Figure 8-103). Using a dial indicator
mounted so that the feeler is in contact with the bracket
surface of the SPECIAL TOOL at 90° Move the pinion
shaft in both directions while holding the differential from
moving and read the dial indicator. Check that the
measured backlash is within the range of 0.15 - 0.20
mm (0.006 - 0.008 in).
If the backlash in not correct, adjust the ring nuts using
SPECIAL TOOL P/N 1901763.
When adjusting the ring nuts, remember that:
• If the measurement backlash is less than the given
tolerance range, screw in the ring nut from the side
opposite the bevel gear and unscrew the ring nut on the
bevel gear side the same amount.
• If the measured backlash is higher than the given
tolerance range, screw in the ring nut on the side of the
bevel gear and unscrew the side opposite the same
amount.
12. When the pinion-bevel gear backlash has been
adjusted, check that there is a minimum pre-loading on
the differential housing bearings (Figure 8-104).
13. Measure the total pre-loading (T) of the bearing (pinion-
bevel gear system), using a dynamometer whose cord is
wound on the pinion spline end (Figure 8-105).
The measured value should be within the following
range:
T=(P+1.72) - (P+2.58) POUNDS
T=(P+3.85) - (P+5.8) daN
P is the pre-loading measured on the pinion in Step 12,
Pinion Assembly.
NOTE: The Pre-load should be measured without the seal
ring being installed
If the measurement is not within the tolerance
range, check the assembly of each component and
then adjust the pre-load using the two ring nuts on
the differential.
- If the total pre-load is less than the given
range, tighten the two ring nuts the same
amount, keeping the pinion-bevel gear
backlash value unchanged.
- If the total pre-load is higher than the given
range, loosen the two ring nuts the same
amount, keeping the pinion-bevel gear
backlash value unchanged.
Recheck the backlash and preload.
Reference Only
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