PRE-OPERATION Service

CAUTION

READ the engine operating and maintenance instruc- tions supplied with this machine.

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WARNING

Fuel can cause fire or explosion.

• Stop engine while fueling.

•Do not smoke when fueling.

•Do not overfill tank.

•Keep sparks and flame away from tank.

•Wipe up spilled fuel and allow fumes to clear before starting engine.

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Oil

This unit is supplied from the factory with the engine crankcase filled with a high quality 10W30 oil. This oil should be acceptable for most typical ambient temper- atures. Consult the engine operation manual for spe- cific engine manufacturer’s recommendations. Upon receipt of the welder, check the engine dipstick to be sure the oil is at the “full” mark. DO NOT OVERFILL.

Fuel

Fill the fuel tank with the grade of fuel recommended in the Engine Operator’s Manual. Make sure the fuel valve on the sediment bowl is in the open position.

Cooling System

The cooling system has been filled at the factory with

a50-50 mixture of ethylene glycol antifreeze and water. Check the radiator level and add a 50-50 solu- tion as needed. (See engine manual or antifreeze container from alternate antifreeze recommendation.)

Battery Charging

WARNING

GASES FROM BATTERY can explode.

• Keep sparks, flame and cigarettes away.

BATTERY ACID can burn eyes and skin.

• Wear gloves and eye protection and

be careful when boosting, charging or working near battery.

To prevent EXPLOSION when:

a)Installing a new battery - disconnect the negative cable from the old battery first and connect the negative cable to the new battery last.

b)Connecting a battery charger - remove the battery from the welder by disconnecting the negative cable first, then the positive cable and battery clamp. When reinstalling, connect the negative cable last.

c)Using a booster - connect the positive lead to the battery first, then connect the negative lead to the ground lead on the base.

To prevent ELECTRICAL DAMAGE when:

a)Installing a new battery.

b)Using a booster.

Use correct polarity - Negative Ground.

To prevent BATTERY DISCHARGE, if you have an ignition switch, turn it off when engine is not running.

•To prevent BATTERY BUCKLING, tighten nuts on

battery clamp until snug.

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The SA-250 is equipped with a wet charged battery. The charging current is automatically regulated when the battery is low (after starting the engine) to a trickle current when the battery is fully charged.

When replacing, jumping or otherwise connecting the battery to the battery cables, the proper polarity must be observed. The system is NEGATIVE GROUND.

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