A rotary-type control, it is used to control the
output voltage of the generator set.
2-2. Operation Under Usual Conditions
(1) The instructions in this paragraph are
published for the information and guidance of
personnel responsible for operation of the genera-
(2) The operator must know how to perform
every operation of which the generator sets are
capable. This section gives instructions on start
ing and stopping the generator sets and regulat-
ing them to perform the specific task for which
the equipment is designed.
Operation of this equipment presents a
noise hazard to personnel in the area.
The noise level exceeds the allowable
limits for unprotected personnel. Wear
ear muffs or ear plugs which were fitted
by a trained professional.
(1) Preparation for Starting
(a) (A, F, N, MC) Perform the daily preven-
tive maintenance checks and services (Table 3-2).
(b) Check the load cable connections, posi-
tion arrow on knob of variable resistor so it points
UP, set the load switch (S1) on the AC unit or the
circuit breaker (CB) on the DC unit in the OFF
(c) On the AC unit only, remove the cover
of the control box and see that the voltage change
switch (S2) is in the desired position (120 or 240
volts), Install the cover.
(b) Position the fuel selector valve in posi-
tion for either the on-set tank or for an auxiliary
(2) Starting. Refer to figure 2-2 and start the
c. Operation. Position the load switch (AC Unit)
(A, fig. 2-3) or circuit breaker (DC Unit) in the ON
position and turn the knob of the variable resistor
to set the output voltage to the proper value,
either 120 volts or 240 volts AC, or 28 volts DC.
Set the circuit breaker/load switch to
Turn the voltage adjusting rheostat all
the way to the left.
Run the generator set at rated speed for
three to five minutes to cool down the
Move the engine RUN switch to OFF.
Section Il. OPERATION OF AUXILIARY EQUIPMENT
2-3. Heating Torch Description
The heating torch is a
line, pump-type torch. It
engine to a point where
l-pint (.47 liters), gaso-
Move heating torch continuously while
is used to preheat the
heat is being applied. This will prevent
the moving parts will
damage to the engine crankcase from
overheating any single spot thereon. Do
not apply direct heat or flame to the
nylon fuel tank, fuel lines, and fuel filter
2-4. Heating Torch Operation
Operate the heating torch as shown by figure 2-
The heating torch should be applied at the apera-
tures (four on each side) beneath both sides of the