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Check adjustment dimension of drive pinion - AR35.31-P-0550-18C

TEST VALUES FOR REAR AXLE CENTER ASSEMBLY GEAR SET

Number Designation Model 124 Model 129 Model 170
BE35.31-P-1001-03A Permissible deviation from specified adjustment dimension on end face of drive pinion mm -0.02/+0.01 -0.02/+0.01 -0.02/+0.01
TEST VALUES FOR REAR AXLE CENTER ASSEMBLY GEAR SET

Number Designation Model 201 Model 202 Model 203
BE35.31-P-1001-03A Permissible deviation from specified adjustment dimension on end face of drive pinion mm -0.02/+0.01 -0.02/+0.01 -0.02/+0.01
TEST VALUES FOR REAR AXLE CENTER ASSEMBLY GEAR SET

Number Designation Model 208 Model 209 Model 210
BE35.31-P-1001-03A Permissible deviation from specified adjustment dimension on end face of drive pinion mm -0.02/+0.01 -0.02/+0.02 -0.02/+0.01
Fig 1: Identifying Measuring Device (126 589 00 21 00)
G04636531
Fig 2: Identifying Dial Indicator (000 589 38 19 00)
G04636532
  1. Position magnetic disk (052c) 126 589 00 21 00 Part 16 on end face of drive pinion (47) for measuring adjustment dimension "A".
    Fig 3: Identifying Magnetic Disk And Drive Pinion
    G04636533
  2. SPECIAL TOOL Insert dial indicator (052a) with measuring pin into SPECIAL TOOL measuring device (052).
  3. Press adjusting piece (052b) 126 589 00 21 00 part 10 against SPECIAL TOOL measuring device and SPECIAL TOOL adjust dial indicator (052a) to "0" under 2 mm preload. Tighten clamp screw. When doing so, check that dial indicator (052a)is still set to "0" SPECIAL TOOL ; readjust if necessary.

    IMPORTANT Measuring pin for SPECIAL TOOL dial indicator (052a) is screwed onto adjusting piece (052b).

    Fig 4: Identifying Dial Indicator With Measuring Pin And Measuring Device
    G04636534

    SPECIAL TOOL

  4. Insert measuring device (052) from left bore into rear axle housing.

    NOTES When inserting SPECIAL TOOL measuring device (052) into rear axle housing, ensure that measuring pin of SPECIAL TOOL dial indicator is not damaged in bore.

    Fig 5: Inserting Measuring Device Into rear axle Housing
    G04636535
  5. Read off adjustment dimension "A". The adjustment dimension must be within the tolerance.
    Fig 6: Checking Adjustment Dimension Of Drive Pinion
    G04636536

    IMPORTANT

    The adjustment dimension "A" is the design basic adjustment of the drive pinion, whereby the basic deviation "a" must be within the permissible tolerance in the positive (+) or negative (-) direction. The basic deviation "a" is the dimension which is indicated on the end face of the drive pinion.

    NOTES

    If the adjustment dimension is outside the tolerance, the shim installed should be reground or a new shim of appropriate thickness should be installed. However, it is absolutely essential to use a new spacer sleeve for the tapered roller bearings.

    Fig 7: Identifying Dimension Of Drive Pinion
    G04636537
  6. SPECIAL TOOL Remove measuring device and magnetic disk from rear axle housing.