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 202 of 750

TM 5-5420-228-24

CUPOLA TOP AND VISION BLOCK REPLACEMENT (LATE MODEL CUPOLA) (Sheet 2 of 3)

NOTE

Removal and installation are the same for all

seven blocks except two rear blocks. Rear

blocks have only three retainers.

6.

7.

8.

Using side cutters, remove lockwire (E).

Using 1/2 inch wrench, remove four screws

(F) and retainers (G).

Using chisel and hammer, remove vision

block (H).

9.

Using putty knife, remove sealant from vision block (H) and cupola body (J).

INSTALLATION:

1.

Using brush, coat sides,

top, and bottom

of vision block (A) with adhesive.

2.

Place vision block (A) in position.

3.

Place retainers (B) in position.

4.

Manually install four screws (C) to secure

vision block (A).

5.

Using 1/2 inch wrench, tighten screws

(c) .

6.

Using pliers, install lockwire (D).

G

O

on to Sheet 3

TA251418

3-17