TM 5-5420-228-24
LEFT CUPOLA QUADRANT REPLACEMENT (Sheet 1 of 2)
TOOLS:
3/4 in. socket with 3/4 in. drive
1-5/16 in. socket with 3/4 in. drive
Ratchet with 3/4 in. drive
Lifting device (500 lbs capacity)
Putty knife
SUPPLIES:
Sealing compound (Item 21, Appendix D)
PERSONNEL:
Three
REFERENCE:
TM 5-5420-202-10
PRELIMINARY
PROCEDURES:
Remove cupola cover (page 3-8)
Remove cupola body (page 3-13 and 3-19)
Remove cupola cover safety latch (page 3-23)
Q
c
REMOVAL:
1.
Using 3/4 inch socket, remove seven screws
(A).
2.
Using 1-5/1 6 inch socket, remove six screws
(B).
3.
Attach lifting device to handle (C).
4.
Using lifting device, lift quadrant
(D) slowly from vehicle.
5.
Have technician operating lifting device slowly lower quadrant (D) to desired location.
Remove lifting device from handle (C).
6.
7.
Using putty knife, remove old sealant from mating surfaces of vehicle and quadrant (D).
TA251440
Go on to Sheet 2
3-39
