ARMY TM 9-6115-641-24
AIR FORCE TO 35 C2-3-456-12
2-61-4. Installation.
a.
Install AC circuit interrupter relay (4, Figure 2-16) with screws (3) in output box assembly.
b. Connect electrical leads to AC circuit interrupter relay as tagged and remove tags.
c.
Install control box top panel, paragraph 2-16-4.
d. Connect negative battery cable and close access door.
2-62. CRANKING RELAY.
2-62-1. Inspection.
a.
Shut down generator set.
b. Open left side engine access door and disconnect negative battery cable.
c.
Remove control box top panel, paragraph 2-16-1.
d. Inspect cranking relay (6, Figure 2-16) for dents, cracks, and loose or stripped studs.
e.
Install control box top panel, paragraph 2-16-4.
f.
Connect negative battery cable and close left side engine access door.
2-62-2. Removal.
a.
Shut down generator set.
b.
Open left side engine access door and disconnect negative battery cable.
c.
Remove control box top panel, paragraph 2-16-1.
d. Disconnect and tag electrical leads to cranking relay (6, Figure 2-16).
e. Remove screws (5) and cranking relay (6) from output box assembly.
2-62-3. Testing.
a.
b.
c.
d.
e.
f.
g.
h.
i.
j.
k.
l.
Shut down generator set.
Open left side engine access door and disconnect negative battery cable.
Remove control box top panel, paragraph 2-16-1.
Tag and disconnect wires from terminals X1, X2, and A2 of cranking relay (6, Figure 2-16).
Connect a jumper wire between terminals A1 and X1 of cranking relay.
Connect negative battery cable.
Connect X2 wire disconnected in step d to cranking relay and listen for audible actuation.
Set multimeter for ohms and check for continuity between terminals A1 and A2 of cranking relay. If no continuity
is indicated, cranking relay is defective and must be replaced.
Disconnect negative battery cable.
If replacement is not needed, remove jumper wire and connect remaining wires to cranking relay as tagged.
Install control box top panel, paragraph 2-16-4.
Connect negative battery cable and close left side engine access door.
2-92
