Complete Parts List available at www. MillerWelds.com
OM-228 042 Page 37
8-10. Adjusting Engine Speed
804 971-A
Tools Needed:
3750
±
30 rpm (62 Hz)
After tuning engine, check engine
speed. See table for proper no load
speed. If necessary, adjust speed
as follows:
Start engine and run until warm.
1
Adjustment Screw
To increase speed, turn screw in
(clockwise). To decrease speed,
turn screw out (counterclockwise).
Stop engine. Close fuel
valve.
1