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ACCESSORIES CONTROL BOX REPLACEMENT
CUPOLA COVER REPLACEMENT - Continued

Launcher Hydraulics System M48A5/M60A1 Tank Chassis, Transporting: For Bridge, Armored-Vehicle-Launched; Scissoring Type, Class 60 Page Navigation
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TM 5-5420-228-24
CUPOLA COVER REPLACEMENT (sheet 1 of 2)
TOOLS:
Roller head pry bar
Snap ring pliers
Hammer
Crowbar
5/16 in. socket head screw key (allen wrench)
Brass drift
SUPPLIES:
Retaining rings (2 required)
Rope, 1/2 in. (approx. 10 ft.) (Item 24, Appendix D)
PRELIMINARY
PROCEDURES:
Remove periscope mount lid (page 3-28).
PERSONNEL:
Two
REMOVAL:
NOTE
· Left and right covers are identical.
● For cupola cover on early model
cupola, start procedure at step 2.
For cupola cover on late model
cupola, start procedure
at step 1.
Remove cupola cover handles (page 3-21),
1.
Open cover (A).
2.
Loop rope around forward eye (B) of
3.
spring (C) and while first technician
pulls slowly forward and side to side
with rope, second technician uses pry
bar to pry forward eye (B) of spring
(C) out of cover bracket (D).
Remove spring (C) from swing assembly (E).
4.
Repeat steps 2 and 3 for opposite spring.
5.
Close cover ( A ) .
6.
Using pliers, remove two retaining rings
7.
(F) from hinge pin (G).
Using hammer, and brass drift tap out
8.
hinge pin (G).
With second technician, remove cover (A) from vehicle.
9.
From inside vehicle, use key to remove screw (H).
10.
Using crowbar, pry out swing assembly (E) from bushing (J).
11.
LATE MODEL CUPOLA
COVER
Using crowbar, pry out bushing (J) from mount (K).
12.
Go on to Sheet 2
TA251409
3-8






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