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 576 of 750

TM 5-5420-228-24

DRIVER’S HATCH NIGHT VIEWER LATCH REPLACEMENT (Sheet 3 of 5)

CLEANING AND INSPECTION:

1.

Using putty knife and steel wool, remove old sealant and adhesive from hatch and all

parts.

2.

Using dry cleaning solvent rags, remove remaining debris and dirt.

3.

Inspect all parts for damage or wear. Replace defective parts.

INSTALLATION :

1.

2.

3.

4.

5.

With putt y knife, apply adhesive (Item 4,

Appendix D) to one side of new gaskets (A)

and (B). Apply adhesive to mating surfaces

on hatch (C) and plate (D).

When adhesive is tacky, aline and apply new

gasket and new pad (B).

Place new lockwashers (E) on two screws (F)

and apply sealing compound to screw threads.

NOTE

Before performing step 4, get

another person to help aline holes in

plate (D) and latch mechanism (G)

with holes in hatch (C).

Using fingers, start screws (F) through hatch

(C) into latch mechanism (G).

Using 3/4 inch socket and torque wrench,

tighten two screws (F) to 95-125 lb-ft (128-169

N.m).

Go on to Sheet 4

TA251764

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