ARMY TM 9-6115-604-12
NAVY NAVFAC P-8-633-12
When using an external fuel supply, leave FUEL PUMP switch S8 (4) set to AUTO at all
times. Fuel transfer pump motor B102 will then operate automatically to replenish fuel to
the generator set fuel tank If generator set Is connected to utility power, or if generator set
Install ether tank as follows
Ether tank Is not shipped with the set and must be requisitioned separately, if required.
(a) See Figure 3-15. Open cylinder clamp (3).
(b) Install ether start tank (1) onto 24 V solenoid valve assembly L5 (7). Screw on ether tank until it seats.
(c) Close cylinder clamp (3).
Fill radiator In accordance with paragraph 3-12
Set MAINTENANCE LOCKOUT switch S100 (1, Figure 2-1) to OPERATION.
See Figure 2-7. Set CB117, CB120, CB121, CB122, CB112, CB113, CB116, and CB123 (See Figure 2-12) to
ON Set all other DP2 circuit breakers to OFF
If needed, set CB118 to ON to activate control room heaters. Adjust
switches S108 and S109 (7, Figure 2-11 ) to comfort. If generator set is not
connected to utility power, heaters will become activated after operation
Set humidistat (1, Figure 2-12) fully clockwise.
If necessary, before starting engine In step (8), below, wait 6 hours (minimum) for oil and coolant heaters to
heat engine oil and coolant
Oil and coolant heaters will not operate if generator set is not connected to
utility power In accordance with step h, above Engine may be started without
oil and coolant heaters using starting aid.
Use power cables to connect generator set to load.
Perform before-operation preventive maintenance checks and services (PMCS) In accordance with Table 3-2.
Open upper door of cabinet A Set FREQUENCY SEL SW S118 (8, Figure 2-3) for 50 or 60 Hz operation In
accordance with Intended generator set application Close cabinet A door.
Start and operate generator set in accordance with Figure 2-14.
Be prepared to add coolant to radiator, as necessary, to obtain a steady level of coolant as Indicated by coolant
level sight glass (see Figure 3-17) Add coolant as necessary
LOW COOLANT LEVEL alarm will trip if coolant level falls too far Generator
set will automatically shut down If coolant level falls too far.
Proceed in accordance with the following as applicable.
If FREQ ADJ rheostat (Figure 2-14) cannot be adjusted for FREQUENCY meter reading of 50 Hertz or 60
Hertz, as applicable, proceed as follows'