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TM 55-1905-223-10
e. Hold the piece being ground firmly against the wheel with a light but steady pressure.
CAUTION
Excessive or sudden pressure slows grinding action, overloads the motor and puts
dangerous stresses on wheel, besides gouging wheel and causing rough grinding
with reduced accuracy.
f. Keep TOOL REST (3). adjusted to within 1/16 inch of GRINDER WHEEL (2).
g. When job is finished, set ON-OFF switch (4) to OFF position.
2-27. Electric Welding Machine (FIGURE 2-196).
WARNING
Electric shock can kill. Do not touch live electrical parts or electrodes.
Always wear protective clothing (welding coat and gloves) and eye protection (filter
glasses and/or welding helmet). Failure to comply may result in serious personal
injury.
Do not work with wet gloves or wet clothing.
Fumes and gasses can cause severe discomfort, illness, or death.  Keep your
head out of the fumes.  Ventilate work site or use an exhaust duct at arc.
Otherwise use an air supplied respirator. Stop work at first signs of dizziness,
nausea or respiratory irritation and correct problem. Never ventilate work area with
oxygen. Do not use an oxygen respirator.
Wear ear plugs to protect ears from sparks.
The use of damaged or defective equipment can be hazardous. Replace worn,
broken, distorted, missing, or contaminated parts immediately.  Refer to unit
maintenance.
a. Shielded Metal-Arc Welding (SMAW).
(1) Make all necessary cable connections for shielded metal-arc welding (SMAW).
(2) Set CONTACTOR control switch (5) to LOCAL or REMOTE position.
(3) Set POLARITY switch 48) in desired position.
(4) If remote amperage control is used, set the CURRENT CONTROL switch (4) to REMOTE position.
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