Miller Electric Miller DU-OP - Manual (Page 53)

OM-494 Page 49
10-2. Run-In Procedure Using Load Bank
S-0683
Y Stop engine.
Y Do not touch hot exhaust
pipe, engine parts, or load
bank/grid.
Y Keep exhaust and pipe away
from flammables.
Y Do not perform run-in
procedure at less than 20
volts weld output and do not
exceed duty cycle or equip-
ment damage may occur.
1 Load Bank
Turn all load bank switches Off. If
needed, connect load bank to 115
volts ac wall receptacle or genera-
tor auxiliary power receptacle.
2
Welding Generator
Place Welder Selector switch in
Welder B position (600 Amps), A/V
control in minimum position, and
both Process Selector switches in
Stick/TIG position.
3
Weld Cables
Connect load bank to generator
Welder B (right) weld output termi-
nals using proper size weld cables
with correct connectors. Observe
correct polarity.
Start engine and run for several
minutes.
Set load bank switches and then
adjust generator A/V control so load
equals 350 Amps at 40 volts.
Check generator and load bank
meters after first five minutes then
every fifteen minutes to be sure
generator is loaded properly.
.
Check oil level frequently dur-
ing run-in; add oil if needed.
After one hour (minimum) place A/V
control in minimum position, then
turn off load bank to remove load.
Run engine several minutes at no
load.
Y Stop engine and let cool.
4
Engine Exhaust Pipe
Repeat procedure if wetstacking is
present.
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