TM
9-3431-254-14&P
OPERATION
2. Open fuel shutoff valve at fuel tank.
PRESTARTING INSTRUCTIONS
In all probability, the welding unit will be moved from
3. Pull choke knob "out" if engine is cold. Turn igni-
one location to another many times during its lifetime
tion switch fully to the right until engine starts, then let
of service. Therefore, reference to INITIAL PREPARA-
switch return to center position. Adjust choke setting
TION FOR USE is suggested each time the unit is
to keep engine running smoothly and push choke "in"
moved prior to using it.
all the way, as soon as possible.
1. Check the supply of fuel and crankcase oil. See
CAUTION: Unnecessary use of choke
Engine Operating Manual.
shortens engine life considerably.
Crank engine no longer than 15 sec-
2. Inspect the unit thoroughly to be sure it is in proper
working order. Check all fuel line and wire connections
onds at a time, and wait a short period
to be certain they are secure. Tighten any loose screws,
of time between cranking attempts, to
nuts or bolts.
allow starting motor to cool.
3. Wipe off the entire unit and clean the air passages,
4. Check engine for low oil pressure, leaks, or mal-
control box and hard-to-reach places with compressed
functioning parts. If oil pressure is not sufficient at
air not over 25 psi (172 kPa).
least 8 psi (55 kPa) after 10 seconds, stop the engine to
determine cause. Minimum oil pressure is 8 psi (55 kPa)
WARNING: Make sure that no loose
in idling mode. Observe precautions listed under START-
bars, tools, parts, etc., are in or on any
ING AND STOPPING THE ENGINE, in the Engine
part of the engine as they could cause
Starting and Operating Instructions.
serious damage to the engine, genera-
tor, or personal- injury to anyone
standing nearby.
WELDING
After all Prestarting Instructions have been carried out,
4. If the unit is operated indoors, make sure that an ex-
the controls for using the generator may be set, and
haust line is properly connected to the engine exhaust
welding accomplished. Follow the procedures below for
systern, and discharges out of doors. Avoid short bends
various types of welding available with this machine.
or reduction in line size in exhaust pipes, and locate the
unit so as to necessitate the shortest possible exhaust
line to insure the least amount of back-pressure on the
SHIELDED METAL ARC WELDING
engine. Back-pressure can cause engine damage and loss
of power.
1. Attach a welding lead to the "work" and to the
Positive CC terminal. Attach a welding lead to the
5. Attach welding leads, as described under INITIAL
Negative CC-CV terminal. See Table 3 for correct lead
PREPARATION FOR USE: Observe Table 3 and deter-
sizes. These connections are for "stick" welding DCSP.
mine that welding leads are proper size for amperage
Transpose these connections for DCRP.
being used for welding.
2. Start engine and bring to rated RPM.
NOTE: Read NEW ENGINE BREAK-
IN information in
EN-
3. Set the Range Switch to the desired amperage range.
GINE STARTING AND OPERATING
Be certain that switch is in detent position so that arrow
INSTRUCTIONS.
on switch coincides with arrow on panel.
STARTING THE ENGINE
4. Insert correct electrode in electrode holder.
1. Carefully read and follow Safety Warnings in front
5. Set Fine Current Control at minimum setting.
of this manual and instructions in preceding section en-
titled: INITIAL PREPARATION FOR USE.
6. Set Mode Switch to CC.
