Section IV. OPERATION UNDER USUAL CONDITIONS
f. Batteries. Clean batteries and battery box
assembly, check battery connections, and electro-
a. The instructions in this section are for the
lyte level. Report defective batteries, cables and
information and guidance of personnel responsible
connections to organizational maintenance. Main-
for operations of the generator sets,
tan electrolyte level to 3/8-inch above battery
b. The operator must know how to perform
g. Lubrication. Lubricate diesel engine genera-
capable of, This section contains instructions on
tor sets as prescribed by current L.O. (TM S-
starting and stopping the generator sets, on oper-
6115-239-10 or TM 5-6115-247-15 for 45KW
ation of the generator sets, and on coordinating
sets; TM 561 15-425-12 for 60 KW sets). Check
the basic motions to perform the specific task for
for damaged grease fittings and filler caps; report
which the equipment is designed. Since nearly
damage to organizational maintenance. Refer to
every job presents a different problem the opera-
current L.O. of TM 9-2320-211-10 for M54A2
tor may have to vary given procedures to fit the
truck and to TM 9-2330-205-14 for M200A1
h. Power Cables. Check to see that all power
2-13. Preoperational Inspection
cables are properly connected. Inspect for dam-
aged insulation and connectors; replace as neces-
The following inspections are to be performed
daily by the equipment operator prior to starting
the diesel engine generating unit,
i. Controls and Instrurnents. Inspect controls
and instruments for damage and loose mountings.
a. Visual Inspection, Inspect equipment for
Be sure circuit breakers are in OFF position.
obvious defects such as missing components; oil,
Report damage to organizational maintenance;
fuel, and cooling system leaks; missing or loose
correct other deficiencies,
hardware items; bent or cracked cases and hous-
sings; broken or missing lamps, and defective fan
belts. Report all leaks, bent or cracked cases and
a. Preparation for Starting (Fig. 2-5).
housings and defective fan belts to organizational
maintenance; correct other deficiencies,
b. Fire Extinguishers. Inspect fire extinguish-
(2) Position engine gate valve (left side of
ers and mountings for obvious defects and date
diesel) to position corresponding with fuel source.
of last inspection. Replace if corroded, damaged,
(3) Prime fuel system (b below) if required.
empty or outdated.
(4) Turn voltage adjusting rheostat to
c. Fuel. Check fuel supplies and replenish as
necessary. Check fuel filter cap and strainer for
(5) Place electric governor switch and syn-
dirt or insecure mounting, check filler cap gasket
chronizing lamps parallel operation switch to off.
for damage and replace if necessary. Replace
strainer and filler cap if necessary.
d. Fuel Filters. Remove filter drain plug and
(7) Open diesel engine generator door as-
drain water and sediment from secondary fuel
filter (see TM 5-6115-239-10 or TM 5-6115-247-
15 for 45KW units, or TM 5-6115-425-12 for
60KW units), and remove drain plug. Remove
The diesel engine generator unit must
secondary fuel filter vent plug, operate fuel primer
not be operated unless the screen back-
pump until fuel runs out in a clean, solid stream;
ing door located at back of fuel tank
replace vent plug, Inspect heater assembly fuel
access door is open. During inclement
tank, replenish as necessary.
whether, side panels rainshields must be
in place and screen backing door and
e. Radiator. Inspect for damage. Inspect cool-
control panel door must be opem
ant for rust, dirt, and oil; replace if rusty or
(8) Pull out engine throttle control one inch
dirty. Report an oily condition to organizational
and lock in place.