TM 5-3431-201-10
Section III. OPERATION OF EQUIPMENT
12. General
a. The instructions in this section are published for
the information and guidance of the personnel
responsible for operation of the welding machine.
b. The operator must know how to perform every
operation of which the welding machine is capable. This
section gives instructions on starting and stopping the
welding machine. Since nearly every job presents a
different problem, the operator may have to vary given
procedures to fit the individual job.
13. Starting
a. Preparation for Starting.
(1) Perform the before-operation services
(2) The fuel system must be primed: When
starting the engine for the first time, after
shipment, or if it has run out of fuel or has
stood idle for an extended period of time.
To prime the fuel system, operate the
hand primer (fig. 5). Remove the bleeder
plug from the top of the fuel filter and fuel
strainer. Operate the hand primer until all
air is bled from the lines. Install the
bleeder plugs.
Figure 5. Fuel system, primer instructions.
b. Starting the Engine.
(1) Perform the preparation for starting
(2) Perform the after-operation services (par.
procedures as instructed in a above.
(2) Refer to figure 6 and start the engine.
b. Stopping by Safety Devices. The engine is
c. Cold Weather Starting.
equipped with safety devices which will stop the engine
in the event of a loss of oil pressure, high coolant
(1) Perform the preparation for starting
temperature, low fuel pressure, or engine overspeed.
procedures as instructed in a above.
(2) To start the engine in temperatures 32o F.
These devices, when actuated, will cause the engine to
stop. If the engine stops due to an overspeed condition,
or below, refer to figure 7 and inject an
the governor will reset itself. In the event the engine
ether capsule into the primer, neck first.
stops due to defects other than lack of fuel, oil, or
Operate the ether primer as described in
coolant, report the condition to organizational
maintenance.
(3) In extremely cold temperatures, it will be
15. Welder Operation
necessary to use the winterization heater
a. Welding Machine.
for winter starting (par. 24).
(1) Attach the welding cables (fig. 9).
14. Stopping
a. Normal Stopping.
(2) Operate the welding machine as shown by
(1) Refer to figure 8 and stop the engine.
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