Miller Electric Big Blue 400 KX - Manual (Page 40)

OM-4423 Page 34
8-6. Adjusting Engine Speed On Standard Models
Ref. 803 576−C
3
2
1
RPM (Hz)
Engine Speed
(No Load)
Weld/Power
1880 (61.7)
Maximum
Y Stop engine and let cool.
Engine speed is factory set and
should not require adjustment. Af-
ter tuning engine, check engine
speed with tachometer or frequen-
cy meter. See table for proper no
load speed. If necessary, adjust
speed as follows:
Start engine and run until warm.
Place Process/Arc Drive (Dig)
Control in Stick position.
1
Lock Nut
2 Adjustment Screw
Loosen nut. Turn screw until engine
runs at weld/power speed. Tighten
nut.
.
Do not set engine speed higher
than specified.
3 Engine Stop Lever
Use lever to stop engine if Engine
Control switch does not work.
Y Stop engine.
Close door.
Stop
Tools Needed: