TM 55-1730-229-12
AG 32OAO-OMM-000
TO 35C2-3-473-1
TM 1730-12/1
NOTE
3VR2).
See table 4-2, Malfunctions 83,
84, and 85 for test.
a. Inspect. (See figure 4-27.)
Remove all rings, watches and other
jewelry when performing maintenance
(1) Extend lower electrical tray
on this equipment.
(2) Inspect relays (3, 4, and 5,
NOTE
figure 4-27) for dents or punctures.
Replace damaged relays.
See table 4-2, Malfunctions 11
(step 9) and 12 (step 7) for test.
(3) Check that relays are securely
mounted. Tighten mounting screws (1) as
a. Inspect. (See figure 4-28.)
required.
(1) Extend lower electrical tray
(4) Check that solder connections
to relay sockets (6) are secure.
Make
sure that no bare wires are touching.
(2) Inspect voltage regulators (7
and 8, figure 4-28) for dents or punc-
NOTE
tures. Replace damaged regulators.
Removal and installation proce-
(3) Check that regulators are se-
dures are the same for control
curely mounted. Tighten mounting screws
relays 3K1 through 3K3. 3K1 is
(6) as required.
illustrated.
(4) Check that wire connections to
b. Remove Control Relays (3K1-3K3).
(See figure 4-27.)
regulators are secure.
(5) Check that silicon rubber
(1) Disconnect battery and extend
sealant (12) around regulators is not
lower
electrical
tray
separated from regulators of trays.
b.
(2) Remove screws (1) and lock-
Remove. (See figure 4-28.)
washers (2). Pull relay (3) straight up
from socket (6).
NOTE
Removal and installation proce-
c. Install Control Relays (3K1-
dures are the same for voltage
3K3). (See figure 4-27.)
regulators 3VR1 and 3VR2. 3VR1 is
illustrated.
(1) Check that seal (9) on re-
placement relay is not damaged.
(1) Disconnect battery and extend
lower electrical tray (paragraph
(2) Hold replacement relay (3) so
that relay locating pin (7) is aligned
with socket locating pin hole (8). In-
sert relay into relay socket and push
(2) Remove silicon rubber sealant
firmly into place.
(12) from regulator and tray.
(3) Unsolder wire from pin (10) on
(3) Secure relay to socket with
underside of regulator.
lockwashers (2) and screws (1).
(4) Push lower electrical tray in
and secure with quick release pins.
