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Copyright Meritor, Inc., 2022
MM-0861 / Revised 06-22
Page 64
Printed in USA
7 Assembly
8. Place the oil pump, if equipped, and input bearing cage
assembly over the input shaft. The drive teeth on the inner
pump rotor must engage the teeth on the input shaft. NEVER
use force to engage the splines. If a sealing ring is broken,
remove and replace the pump.
9. Place the assembly into a holding fixture (refer to "Holding
Fixture (905473-140)" on page 108) and install the yoke
assembly.
10. Install the washer and yoke nut. Tighten the yoke nut to 700-
900 lb-ft (949-1220 Nm).
Assemble the Upper Rear Output Shaft
(MTC-4213X Only)
1. Place the shaft into a holding fixture with the larger end facing
UP.
2. Align the internal splines of the high range helical gear with
the shaft splines and install the gear onto the shaft. Ensure
the clutch collar gears are facing UP. Figure 7.12.
4007168a
CLUTCH
COLLAR
SPLINES
REAR
OUTPUT
SHAFT
HELICAL
GEAR
Figure 7.12
3. Turn the shaft assembly over and secure it in a holding fixture.
4. Use a press and sleeve to press the bearing DOWNWARD
onto the output shaft until it bottoms out against the helical
gear. Refer to "Bearing Cone Driver (905473-82)" on page
111. Use a 0.002” shim or feeler gauge to verify the bearing
is fully seated against the gear. Figure 7.13.
SLEEVE,
TOOL
905473-82
4007167a
HELICAL
GEAR
BEARING
PRESS
Figure 7.13
Gear and Shaft Installation into the
Transfer Case Halves
Before installing the gear shafts, refer to "End Play Check and
Adjustment" on page 67 for the correct shim pack starting
thickness.
1. Lubricate all bearing cups and cones, gears, and shaft
assemblies before installation into the case. Use SAE Grade
full-synthetic 40W or 50W oil, Meritor specification O-81.
2. Use a mallet or press and sleeve to install the bearing cups
into the bore until correctly seated. Refer to "Tools" on page
108 to identify the correct sleeve for the model being
serviced. Refer to "End Play Check and Adjustment" on page
67 for initial shim stack up requirements. Figure 7.14.
NOTE: The sleeve tool number will vary by model
4007156a
PRESS
SLEEVE,
TOOL
905473-92
BEARING
CUP
Figure 7.14
3. With the inside of the front case facing UPWARD, install the
single idler shaft (MTC-4213X only), or rear output shaft
(MTC-4208X/XP/XL/XLEV/XLEC and MTC-4210X/XP/XL/XLEV/
XLEC), and double-gear idler shaft assemblies (all models).
Figure 7.15.
4000203a
Figure 7.15
4. Position the clutch collar onto the shift fork. Position the shift
fork and clutch collar onto the front output shaft clutch hub.