Figure 6-6. Disassembly/assembly of elevating worm gear assembly

TM 9-6920-361-13&P

PRESS GEARS AND HANDWHEEL TIGHT AGAINST SHOULDER AND DRILL 0.078 + 0.004 HOLE TO ACCEPT

SPRING PINS (1, 7, 9, AND 14)

ADJUST SCREW (13) FOR 0.002 MAXIMUM WORM GEAR END PLAY BEFORE TIGHTENING SETSCREW (12).

ADJUST BUSHING (6) FOR 0.002 MAXIMUM HANDWHEEL BACKLASH BEFORE TIGHTENING SETSCREW.

AR 902763

Legend

1. Spring Pin - 11578680

10.

Bevel Gear - 11578650

2. Handwheel - 11578651

11.

Shaft - 11578652

3, Snap Ring - 11578673

12.

Setscrew - 11578672

4. Setscrew - 11578672

13.

Adjusting Screw - 11578657

5. Setscrew - 11578672

14.

Spring Pin - 11578680

6. Bushing - 11578658

15.

Shaft - 11578653

7. Spring Pin - 11578680

16.

Worm Gear - 11578656

8. Bevel Gear - 11578650

17.

Elevating Worm Gear Bracket - 11578709

9. Spring Pin - 11578680

Figure 6-6. Disassembly/assembly of elevating worm gear assembly

6-7