ARMY TM 9-6115-641-24
AIR FORCE TO 35C2-3-456-12
2-52. AM - VM TRANSFER SWITCH.
2-52-1. Inspection.
a.
Shut down generator set.
b.
Release control panel by turning two fasteners and lower control panel slowly.
c.
Inspect AM–VM transfer switch for cracks, loose or damaged connections, corrosion, and other damage.
d.
Raise and secure control panel.
2-52-2. Testing.
a.
Shut down generator set.
b. Remove AM–VM transfer switch, paragraph 2-52-3.
c.
Set multimeter for ohms and check switch for continuity. Refer to Electrical Schematic FO-1 (S-6 Circuit
Schedule) to determine circuits made to corresponding switch position.
d. Check continuity in all six switch positions.
e.
If open circuit is noted in any switch position, AM–VM transfer switch is unserviceable and must be replaced.
f.
Install AM–VM transfer switch, paragraph 2-52-4.
2-52-3. Removal.
a.
Shut down generator set.
b. Open left side engine access door and disconnect negative battery cable.
c.
Release control panel by turning two fasteners and lower control panel slowly.
d. Tag and disconnect AM–VM transfer switch (64, Figure 2-14) electrical leads.
e.
Loosen setscrew (60) and remove knob (61).
f.
Remove screws (62) and nuts (63).
9.
Remove AM–VM transfer switch (64) from control panel.
2-52-4. Installation.
a.
Connect electrical leads to AM-VM transfer switch (64, Figure 2-14) and remove tags.
b.
Insert AM–VM transfer switch (64) into control panel.
c.
Install screws (62) and nuts (63).
d.
Install knob (61) and tighten setscrew (60).
e.
Raise and secure control panel.
f.
Connect negative battery cable and close access door.
2-53. PANEL LIGHTS SWITCH.
2-53-1. lnspection.
a.
Shut down generator set.
b. Release control panel by turning two fasteners and lower control panel slowly.
c.
Inspect PANEL LIGHTS switch for cracks, loose or damaged connections, corrosion, and other damage.
d. Raise and secure control panel.
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