Miller Electric Legend AEAD-200LE, Technical Manual

Page: 36 / 68

TM-428 Page 32 Miller Legend
6-16. Checking Unit Output After Servicing
Ref. ST-800 698-A / ST-800 249
Check engine speeds, and adjust
if necessary (see Section 8-5).
1 115 VAC 100 Hz Receptacle
RC4
With no load applied and engine
running at weld rpm, there should
be 128 to 132 volts ac present at
RC4.
2 Slider
3 Resistor R4
Y
Stop engine before adjust-
ing R4
If necessary, adjust slider on R4
until 128 to 132 volts ac is obtained
at RC4. Do not exceed 132 volts
ac.
4 DC Weld Output Terminals
Turn Fine Amperage control R1 to
max. With no load applied and en-
gine running at weld rpm, there
should be 70 to 72 volts dc present
at dc weld terminals.
5 Resistor R2
Y
Stop engine before adjust-
ing R2
If correct voltage is not present, ad-
just slider on R2 until correct volt-
age is obtained at dc weld termi-
nals. Do not exceed 72 volts dc.
Stop engine. Allow engine to cool,
and then complete pre-operational
checks in table.
Reinstall cover and side panels.
Tools Needed:
2
3
5
2
1
4
Pre-Operational Checks
Wipe engine surfaces clean.
Check labels; replace labels that are unreadable or damaged.
Check and correct any fluid leaks.
Clean weld output and battery terminals. Tighten connections.
Clean outside of entire unit.
Check fuel and oil (see Section 2-4).