Run-In Procedure Using Load Bank - Miller Electric Big Blue 251D Owner's Manual

10-2. Run-In Procedure Using Load Bank

4
OM-480 Page 34
2
3
Y Stop engine.
Y Do not touch hot exhaust
Y Keep exhaust and pipe away
Y Do
1
1
Turn all load bank switches Off. If
needed, connect load bank to 115
volts ac wall receptacle or genera-
tor auxiliary power receptacle.
2
Place A/V range switch in maxi-
mum position, A/V control in mini-
mum position, and Output Selector
switch (if present) in either DC
position.
3
Connect load bank to generator
weld output terminals using proper
size weld cables with correct
connectors.
polarity.
Start engine and run for several
minutes.
Set load bank switches and then
adjust generator A/V control so load
equals rated voltage and current of
generator (see nameplate, rating
label, or the specifications section
in this manual).
Check generator and load bank
meters after first five minutes then
every fifteen minutes to be sure
generator is loaded properly.
.
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
Repeat procedure if wetstacking is
present.
pipe, engine parts, or load
bank/grid.
from flammables.
not perform run-in
procedure at less than 20
volts weld output and do not
exceed duty cycle or equip-
ment damage may occur.
Load Bank
Welding Generator
Weld Cables
Observe correct
Check oil level frequently dur-
ing run-in; add oil if needed.
Engine Exhaust Pipe
S-0683