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 195 of 750

TM 5-5420-228-24

VISION BLOCK REPLACEMENT (EARLY MODEL CUPOLA) (Sheet 1 of 3).

TOOLS:

Screwdriver (flat tip)

7/8 in. socket with 1/2 in. drive

Putty knife

5 in. extension with 1/2 in. drive

Diagonal cutting pliers

Pliers, slip joint

Handle with 1/2 in. drive

Torque wrench with 1/2 in. drive

SUPPLIES: Dry cleaning solvent (Item 15, Appendix D)

(0-175 lb-ft)

Rag, wiping (Item 12, Appendix D)

Vision block

Locking wire (Item 20 Appendix D)

Sealing compound (Item 21, Appendix D)

Gloves (Item 27, Appendix D)

PERSONNEL: One

REFERENCE: TM 5-5420-202-10

PRELIMINARY PROCEDURE:

Open cupola cover.

REMOVAL:

1.

Using flat-tip screwdriver

remove fourteen screws (A).

2.

Using flat-tip screwdriver

pry up on bezel (B) to break

sealant and remove bezel from

cupola body (C).

3.

Using putty knife scrape sealing

compound from cupola body (C)

vision block (D) and bezel (B).

Go on to Sheet 2

TA251411

3-10