TM-5-5420-228-24

LAUNCHER HYDRAULICS SYSTEM M48A5/M60A1 TANK CHASSIS, TRANSPORTING: FOR BRIDGE, ARMORED-VEHICLE-LAUNCHED; SCISSORING TYPE, CLASS 60

TECHNICAL MANUAL; ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT; MAINTENANCE MANUAL

AUGUST 1985

TM-5-5420-228-24 - Page 234 of 750

TM 5-5420-228-24

BRIDGE SEAT ASSEMBLY REPLACEMENT (Sheet 1 of 4)

PROCEDURE INDEX

PROCEDURE

PAGE

Removal

3-49

Installation

3-51

TOOLS:

Ratchet with 3/4 in. drive

Ratchet with 1/2 in. drive

9/16 in. socket with 1/2 in. drive

1-1/2 in. socket with 3/4 in. drive

Sling

Lifting device (500 lb min capacity)

15/16 in. socket with 1/2 in. drive

SUPPLIES:

Lockwashers (32 required)

PERSONNEL: Three

PRELIMINARY PROCEDURE:

Remove hold-down cylinder armor (page 3-253)

REMOVAL:

1.

Using 15/16 inch socket, loosen setscrew

securing No. 3 right top grille door (A).

2.

Open No. 3 top grille door (A).

3.

Using 1-1/2 inch socket, remove two

screws (B) and lockwashers (C) securing

hose guard pipe (D) and bridge seat

(E) to vehicle.

NOTE

Have second technician carefully support

hold-down cylinder while screws are being

removed.

4.

Using 15/16 inch socket, remove four

screws (F) and lockwashers (G) securing

hold-down cylinder (H) to bridge seat

(E).

TA251449

Go on to Sheet 2

3-49