Hobart Welding Products OM-498 manual Adjusting Engine Speed Kohler-Powered Units

Models: OM-498

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7-4. Adjusting Engine Speed (Kohler-Powered Units)

2000 ± 150 rpm

3720 ± 50 rpm (60 Hz)

After tuning engine, check engine speeds. See table for proper no load speeds. If necessary, adjust speeds as follows:

Start engine and run until warm.

Weld/Power Speed

Adjustment

1Throttle Control Lever

2Adjustment Screw

Move lever to Run (far right) posi- tion. To increase speed, turn screw out (counterclockwise) while lightly pushing lever to the right. To de- crease speed, turn screw in (clock- wise).

Top View

3

Idle Speed Adjustment

3 Adjustment Screw

Move lever to idle (far left) position. To increase idle speed, turn screw in (clockwise). To decrease idle speed, turn screw out (counter- clockwise).

YStop engine. Close fuel valve.

Top View

2

1

Tools Needed:

802 512-A / Kohler Dwg.

OM-498 Page 26

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Hobart Welding Products OM-498 manual Adjusting Engine Speed Kohler-Powered Units, Weld/Power Speed Adjustment