TM-9-2520-270-34

HYDROMECHANICAL CROSSDRIVE, TRANSMISSION HMPT 500 AND TRANSMISSlON CONTAINER ASSEMBLY

TECHNICAL MANUAL; DIRECT AND GENERAL SUPPORT MAINTENANCE

NOVEMBER 1984

TM-9-2520-270-34 - Page 593 of 933

TM 9-2520-270-34

CAUTION

Packing retainer must be installed toward

pad end of piston assembly. Damage to

equipment can occur.

19. INSTALL NEW PACKING RETAINER (1)

AND NEW PREFORMED PACKING (2)

ON NEW PISTON ASSEMBLY (3).

a. Coat new packing (2) with

transmission oil.

b. Place new packing retainer (1) and

packing (2) on new piston.

22. INSTALL PISTON ASSEMBLY (3)

IN BRAKE HOUSING (7).

a.

b.

4-266

Coat piston assembly (3) with

transmission oil.

Press piston assembly (3) in brake

housing (7).

20.

INSTALL ROD (4) IN PISTON

ASSEMBLY (3).

a. Install rod (4) in piston assembly (3).

Press new retaining ring (5) into

groove (6).

21. REPEAT STEPS 18, 19, AND 20 FOR

REM A

INING

THREE RODS (4) AND

PISTON ASSEMBLIES (3).

23. INSTALL AND SECURE SPRING (8).

a.

b.

c.

d.

Place spring (8) and collar (9) on

rod (4). Install collar with cupped

side up.

Hold rod (4) in place, Using 9/16-inch

open end wrench, press collar (9)

until pin hole in rod is visible.

Insert pin (10) through hole in

rod (4).

Release pressure on spring (8).