BRIDGE SEAT ASSEMBLY REPLACEMENT

TM 5-5420-228-24

BRIDGE SEAT ASSEMBLY REPLACEMENT (Sheet 1 of 4)

PROCEDURE INDEX

PAGE

PROCEDURE

Removal

Installation

Ratchet with 3/4 in. drive

TOOLS:

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

Lockwashers (32 required)

SUPPLIES:

PERSONNEL: Three

PRELIMINARY PROCEDURE:

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

REMOVAL:

Using 15/16 inch socket, loosen setscrew

NOTE

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

Have second technician carefully support

Open No. 3 top grille door (A).

hold-down cylinder while screws are being

removed.

Using 1-1/2 inch socket, remove two

Using 15/16 inch socket, remove four

screws (B) and lockwashers (C) securing

screws (F) and lockwashers (G) securing

hose guard pipe (D) and bridge seat

hold-down cylinder (H) to bridge seat

(E) to vehicle.

(E).

TA251449

Go on to Sheet 2