Transmission Output Yoke Replacement and Repair

TM 9-2320-363-34-1 · Chapter 3 — Power Package Maintenance

This task covers: a. Removal b. Cleaning c. Inspection d. Repair e. Installation

Tools and Special Equipment:                           References:

Shop Equipment, SC 4910-95-CL-A31                      TM 9-2320-363-20
Tool Kit, SC 5180-90-CL-N05
Output Shaft Seal Installer, J24202-1A                 Equipment Condition:
Driver Handle, J24202-4
Yoke Holder Bar, J3453                                 Reference               Condition Description
                                                       TM 9-2320-363-20        Driveline Removed
Materials/Parts:
Seal, Oil                P/N 6773311
Nut, Lock                P/N 6771144
Oil, Lubricating         Appendix B, Item 37

                                                  NOTE
       Measure torque value after loosening nut. Minimum required to turn nut is 300
       lb-in. (33.90 N.m). If value is less, replace nut.

1.    USING YOKE HOLDER BAR, REMOVE RETAINER NUT (1) FROM OUTPUT SHAFT (2). DISCARD
      LOCK NUT.
                                                  NOTE
                        If there are five scribe marks on nut, replace nut.

2.    SCRIBE ONE FLAT SIDE OF RETAINER NUT (1).

3.    REMOVE OUTPUT YOKE (3) FROM OUTPUT SHAFT (2).

4.    REMOVE DUST SHIELD (4) FROM REAR COVER (5).
      REMOVE AND DISCARD OIL SEAL (6) FROM REAR COVER (5).

      Use general cleaning methods to clean all parts (page 2-30).

      Inspect all parts for wear or damage

       Use general repair methods to repair damaged parts (page 2-33).

1. APPLY COATING OF LUBRICATING OIL TO OUTSIDE AND INSIDE OF NEW OIL SEAL (6).

2. USING OUTPUT SHAFT SEAL INSTALLER, INSTALL OIL SEAL (6) WITH SEAL LIP FACING REAR COVER (5).

3. INSTALL DUST SHIELD (4) IN REAR COVER (5), FLAT SIDE FIRST, SO REAR EDGE OF SHIELD IS FLUSH WITH SURFACE OF REAR COVER.

4. INSTALL OUTPUT YOKE (3) ON OUTPUT SHAFT (2).

5. COAT THREADS OF OUTPUT SHAFT (2) AND RETAINER NUT (1) WITH LUBRICATING OIL.

6. USING YOKE HOLDER BAR, INSTALL NEW RETAINER NUT (1) ON OUTPUT SHAFT (2), TIGHTEN NUT TO 600-800 LB-FT (814-1085 N.m).

Install driveline (TM 9-2320-363-20).