A SERVICE OF

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TM-428 Page 39
Miller Legend
After tuning engine, check engine
speeds with a tachometer. See
table for proper no load speeds. If
necessary, adjust speeds as fol-
lows:
Start engine, and place Engine
Control
switch
in Run/Idle position.
Turn Fine Amperage control to
100.
1 Carburetor
2 Throttle
Solenoid
Power/Idle Speed Adjustment
3
Power/Idle Speed Rod
4 Lock Nut
5
Adjustment Nut
Loosen
lock nut and rotate adjust
-
ment nut until engine runs at pow
-
er/idle speed. T
ighten lock nut.
W
eld Speed Adjustment
Place
Engine Control
switch in Run
position.
6 Lock
Nut
Loosen nut.
7 Hex Swivel
Turn swivel until engine runs at
weld
speed. T
ighten lock nut.
8W
eld Speed Governor Spring
9
Power/Idle Speed Governor
Spring
If a spring becomes loose or dis-
connected,
reattach as shown.
8-5. Adjusting Engine Speed
Tools
Needed:
1860 rpm
(Power/Idle)
3000 rpm
(Weld)
3/8 in,
8, 1
1 mm
ST-116 049-C
Rear V
iew
T
op V
iew
2
3
4
59
1
8
67
2