10-2. Run-In Procedure Using Load Bank

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

4exceed duty cycle or equip- ment damage may occur.

2

1

Load Bank

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

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

3

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.

S-0683

OM-494 Page 49

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Image 53
Miller Electric OM-494 manual Run-In Procedure Using Load Bank, 4exceed duty cycle or equip- ment damage may occur