ARMY TM 9-6115-645-24
AIR FORCE TO 35C2-3-444-12
MARINE CORPS TM 09244A/09245A-24/2
2-70
2-39 AM-VM TRANSFER SWITCH
2-39.1
a.
b.
2-39.2
a.
b.
c.
d.
e.
f.
g.
2-39.3
a.
b.
c.
d.
e.
f.
2-39.4
a.
b.
c.
d.
e.
f.
Inspection.
Shut down generator set.
Inspect switch for loose connections and mounting, and other damage.
Removal.
Shut down generator set.
Open battery access door and disconnect negative battery cable.
Release control panel by turning two fasteners and lower control panel slowly.
Remove set screw (33, FIGURE 2-13) and knob (34).
Remove nuts (35) and screws (36).
Remove AM-VM transfer switch (37) from control panel.
Tag and disconnect AM-VM transfer switch (37) electrical leads.
Testing.
Shut down generator set.
Remove AM-VM transfer switch, paragraph 2-39.2.
Set multimeter for ohms and check AM-VM transfer switch for continuity. Refer to Electrical Schematic FO-1
(S-6 Circuit Schedule) to determine circuits made to corresponding switch positions.
Check continuity in all six switch positions.
If open circuit is noted in any switch position, AM-VM transfer switch is unserviceable and must be replaced.
Install AM-VM transfer switch, paragraph 2-39.4.
lnstallation.
Connect electrical leads to AM-VM transfer switch (37, FIGURE 2-13) and remove tags.
Insert AM-VM transfer switch (37) into control panel.
Install screws (36) and nuts (35).
Install knob (34) and set screw (33).
Raise and secure control panel.
Connect negative battery cable. Close battery access door.
2-40 PANEL LIGHTS SWITCH.
2-40.1 Inspection.
a.
Shut down generator set.
b. Inspect switch for loose connections and mounting, and other damage.
2-40.2 Removal.
a.
Shut down generator set.
b. Open battery access door and disconnect negative battery cable.
c.
Release control panel by turning two fasteners and lower control panel slowly.
d. Tag and disconnect (40, FIGURE 2-13) electrical leads.
e.
Remove nut (38) and washer (39).
f.
Remove PANEL LIGHTS (40) from control panel and tab washer (41) from switch stem.
