Fan Drive Support Replacement

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

This task covers: a. Removal b. Cleaning c. Inspection d. 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
Caulking Gun, 805774                              Equipment Condition:
Materials/Parts:                                  Reference               Condition Description
Eliminator, Gasket     Appendix B, Item 18        TM 9-2320-363-20       Spindle and Housing
                                                                         Assembly Removed

                                               NOTE
                     If repairing an oil leak, do not remove lifter bracket.

1.      REMOVE TWO BOLTS (1) AND FRONT ENGINE LIFTER BRACKET (2) FROM FAN SUPPORT
        BRACKET (3).

2. HOLD NUT (4) AND REMOVE GEAR HOUSING STABILIZER BRACKET BOLT (5).

3. REMOVE NUT (4).

4. REMOVE TWO BOLTS (6) AT TOP OF FAN SUPPORT BRACKET (3).

5. REMOVE SHORT BOLT (7) AT BOTTOM OF FAN SUPPORT BRACKET (3).

6. REMOVE LONG BOLT (8) AT RIGHT SIDE OF FAN SUPPORT BRACKET (3).

7. REMOVE FIVE ADJUSTABLE IDLER GEAR COVER BOLTS (9).

8. USING PLASTIC OR FIBER MALLET, TAP FAN SUPPORT BRACKET (3) TO BREAK LOOSE.

1. CLEAN ALL OLD GASKET ELIMINATOR MATERIAL FROM GEAR CASE COVER AND ADJUSTABLE IDLER GEAR COVER MATING SURFACES.

2. USE GENERAL CLEANING METHODS TO CLEAN ALL PARTS (PAGE 2-30).

Inspect all parts for wear or damage.

1. USING CAULKING GUN, APPLY 1/16-lN. BEAD OF GASKET ELIMINATOR (1) TO MACHINED SURFACE (2) OF ADJUSTABLE IDLER ACCESS HOLE AND POSITION FAN SUPPORT BRACKET (3) ON GEAR CASE COVER (4).

2. INSTALL FIVE ADJUSTABLE IDLER GEAR COVER BOLTS (5) HAND-TIGHT.

3. INSTALL SHORT BOLT (6) THRU BOTTOM HOLE IN FAN SUPPORT BRACKET (3) AND LONG BOLT (7) THRU RIGHT-HAND BOLT HOLE. TIGHTEN BOLTS (6 AND 7) to 118-148LB-FT (160-200 N.m).

4. INSTALL TWO BOLTS (8) THRU BOLT HOLES AT TOP OF FAN SUPPORT BRACKET (3). TIGHTEN BOLTS TO 43-54 LB-FT (58-73 N.m).

5. TIGHTEN FIVE ADJUSTABLE IDLER GEAR COVER BOLTS (5) TO 22-28 LB-FT (30-38 N.m).

6. INSTALL BOLT (9) THRU TOP LEFT-HAND BOLT HOLE IN FAN SUPPORT BRACKET (3) AND THRU GEAR HOUSING STABILIZER BRACKET.

7. INSTALL NUT (10). HOLD NUT AND TIGHTEN BOLT (9) TO 43-54 LB-FT (58-73 N.m).

8. POSITION FRONT ENGINE LIFTING BRACKET (11) ON FAN SUPPORT BRACKET (3) AND INSTALL TWO BOLTS (12). TIGHTEN BOLTS TO 75-93 LB-FT (l0l-126 N.m).