Adjusting Engine Speed - Miller Electric Legend AEAD-200LE Technical Manual

Cc ac/dc welding generator for smaw, gmaw, gtaw welding
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8-5. Adjusting Engine Speed

2
Rear View
5
4
3
Tools Needed:
3/8 in,
8, 11 mm
Miller Legend
1
9
8
Top View
1860 rpm
(Power/Idle)
3000 rpm
(Weld)
6
7
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. Tighten lock nut.
Weld 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. Tighten lock nut.
8
Weld Speed Governor Spring
9
Power/Idle Speed Governor
Spring
If a spring becomes loose or dis-
connected, reattach as shown.
2
TM-428 Page 39
ST-116 049-C

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