Follow-on Maintenance -714670637

TM 5-2420-224-34

TRANSMISSION TOP COVER REPAIR (CONT)

25. INSTALL pressure SWITCH (43) and new

washer (44).

26. INSTALL BREATHER (45) and new seal ring

(46).

27. INSTALL two bushings (47), four tee head

bolts (48), four retaining rings (49), and pin

(50).

28. REMOVE two knurled SCREWS from shift

tester plate.

29. MOUNT SHIFT TESTER PLATE on

underside of cover (7) by INSTALLING one

cover mounting BOLT (51) and two knurled

SCREWS through to of cover (7).

30. REMOVE eight SETSCREWS (13, 25, 27,

and 34) and APPLY COAT of SEALING

COMPOUND to SETSCREWS. REINSTALL

S H IF T

eight SETSCREWS (13, 25, 27, and 34) but

TESTER

DO NOT TIGHTEN setscrews.

PLATE

31. TO ADJUST shift FORKS and shift

FINGERS, one setscrew must be screwed

OUT and the other setscrew screwed IN.

REPEAT until settings in following table are

KNURLED

obtained with eight setscrews (13, 25, 27,

SCREW

and 34) tightened.

Designation

Setting

Shift fork for 4th speed sliding sleeve on main shaft

12.539 0.004 in.

(318.5 0.1 mm)

Shift finger 1st/2nd speed sliding sleeve on countershaft

8.878 0.004 in.

(225.5 0.1 mm)

Shift fork for fast group (stage II) sliding sleeve on main

3.258 0.004 in.

(82.75 0.1 mm)

shaft

Shift finger for 3rd speed sliding sleeve on countershaft

2.783 0.004 in.

(70.7 0.1 mm)

NOTE

Follow-on Maintenance:

Install transmission top cover

(page 3-86).

15-64 Change 1