Checking Unit Output After Servicing - Miller Trailblazer 302 Diesel Technical Manual

9-11. Checking Unit Output After Servicing

1
2
3
Wipe engine surfaces clean.
Check labels; replace labels that are unreadable or damaged (see Parts List).
Check fuel and oil (see Section 4-6).
Check and correct any fluid leaks.
Clean weld output and battery terminals. Tighten connections.
Clean outside of entire unit.
Tools Needed:
3/8 in
TM-217 454 Page 52
Pre-Operational Check
.
Also use output waveforms to
check unit output after servic-
ing (see Section 9-4).
Check engine speeds, and adjust if
necessary (see Section 7-4).
1 120 Volt AC Receptacles RC2
And RC3
2 240 Volt AC Receptacle RC1
Check voltage at receptacles. With
no load applied, there should be
125 − 132 volts ac present at RC2
and RC3, and 228 − 264 volts pres-
ent at RC1.
3 Weld Output Terminals
Check open-circuit voltages
between terminals according to
Section 9-2 (voltages V1, V2, V3,
and V4).
If correct voltages are not present,
repeat troubleshooting procedures
in Section 9-1.
Y Stop engine and let cool.
Complete pre-operational checks
in table. Reinstall cover and side
panels.
804 198-A
Trailblazer 302 D