TM 9-3431-254-14&P
2. Make certain that the correct guides and wire feed
SHIELDED METAL ARC WELDING (Continued)
rolls are installed in the wire feeder for the diameter
of wire electrode to be used.
7. Set Toggle Switch to CV welding.
3. Proceed as in steps 2 through 8 preceding.
8. Strike arc.
DRAWING AUXILIARY POWER
9. Adjust Fine Current Control if required.
the control panel, at any time that the generator is
10. If Range Switch must be adjusted, break arc. Do
operating at rated RPM.
not change setting of Range Switch while welding.
VOLTAGE REGULATION
MICRO-WIRE WELDING [UP to .045 inch (1.143 mm)
The output voltage will be maintained within 5% by the
solid wire at 250 amperes]
voltage regulator. if load is added or removed, any re-
sulting voltage increase or decrease will be recovered
1. Attach a welding lead to the work end to the NEGA-
within one second.
TIVE CC-W terminaL Attach a lead to the wire feeder
and to the POSITIVE CV MICRO-WIRE terminal
STOPPING THE ENGINE
CAUTION: Be certain to check circuit
1. Break the welding arc.
compatibility for wire feeders. Damage
to welding generator circuits and
2. Pull the engine throttle control OUT from the panel
wire feeder may result if circuits are
as far as it will go. Engine will reduce RPM. Move the
incompatible.
START-RUN-OFF Switch to OFF position.
2 Connect control leads between wire feeder and Wire
3. Allow engine to cool sufficiently, then check
Feeder Receptacle.
coolant and crankcase oil Ievel. If engine oil is to be
3. Plug wire feeder power leads to 115-V AC duplex
changed, it can be done most effectively while engine
is still warm.
receptacle on the Control Panel, if wire feeder is
equipped with standard AC plug.
4. After engine has cooled completely, fill the fuel
4. Set MODE SWITCH to CV welding mode.
tank. See SAFETY WARNINGS at front of this manual
for precautions that should be taken when filling the
fuel tank.
5. Set Toggle Switch to CV welding.
6. connect shielding or cooling accessories which may
STORAGE
be used with certain types of welding guns.
NIGHTLY - After operation, the following steps
7. Start generator engine, adjust Throttle to produce
rated operating RPM.
should be taken before storing the welding machine
for short periods of time.
8. Proceed with welding as instructed in wire feeder
manual.
1. Close fuel shutoff valve at the tank, and cover unit
with a tarpaulin, if stored outdoors.
MULTI-WIRE WELDING [.045 inch (1.143 mm) and
2. Clean up around work area. Put all tools, parts, and
supplies in their proper places.
1. Attach a welding lead to the work and to the NEG-
ATIVE CC-CV terminal. Attach a lead to the wire feeder
3. Disconnect welding leads from machine. Coil them
and to the POSITIVE CV MULTI-WIRE terminal.
and store away in their place.