ARMY TM 9-6115-672-14
AIR FORCE TO 35C2-3-444-32
MARINE CORPS TM 09244A/09245A-14
4-95
(6)
Remove VOLTAGE ADJUST switch (8) and tab washer (9) from DCS control panel.
(7)
Position tab washer (9) and VOLTAGE ADJUST switch (8) on DCS control panel.
(8)
Secure VOLTAGE ADJUST switch (8) to DCS control panel with toothed washer (7) and jamnut
(6).
(9)
Connect electrical leads to VOLTAGE ADJUST switch (8), and remove tags.
(10) Raise and secure DCS control panel with two fasteners.
(11) Connect negative battery cable to battery, and close BATTERY ACCESS door.
4.8.11 FREQUENCY ADJUST Switch S19.
a. Inspection.
(1)
Shut down generator set, paragraph 2.11.2.
(2)
Release DCS control panel by turning two fasteners, and lower DCS control panel slowly.
(3)
Inspect FREQUENCY ADJUST switch (13, Figure 4-13) for loose connections and mounting
hardware, and other damage.
(4)
Raise and secure DCS control panel with two fasteners.
b. Testing.
(1)
Shut down generator set, paragraph 2.11.2.
(2)
Open BATTERY ACCESS door (Figure 1-2), and disconnect negative battery cable.
(3)
Release DCS control panel by turning two fasteners, and lower DCS control panel slowly.
(4)
Tag and disconnect electrical leads from FREQUENCY ADJUST switch (13, Figure 4-13).
(5)
Set multimeter for ohms, and connect across FREQUENCY ADJUST switch (13) terminals.
Multimeter should indicate open circuit between terminals 1 and 2, 2 and 3, and 1 and 3. Refer to
Schematic FO-1.
(6)
Hold FREQUENCY ADJUST switch (13) in UP position. Multimeter should indicate continuity on
terminals 2 and 3.
(7)
Hold FREQUENCY ADJUST switch (13) in the DOWN position. Multimeter should indicate
continuity on terminals 2 and 1.
(8)
If indications are not as above, replace FREQUENCY ADJUST switch.
(9)
Connect electrical leads to FREQUENCY ADJUST switch (13), and remove tags.
(10) Raise and secure DCS control panel with two fasteners.
(11) Connect negative battery cable to battery, and close BATTERY ACCESS door.
