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2. run-in procedure using load bank – Miller Electric Big Blue 300 P User Manual

Page 51

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OM-4433 Page 47

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 V/A control in minimum posi-

tion, and Output Selector switch (if

present) in either DC position.
3

Weld Cables

Connect load bank to generator

weld output terminals 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 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.

.

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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