Miller Electric Metro 250D manual Run-In Procedure Using Resistance Grid

Models: Metro 250D

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9.3Run-In Procedure Using Resistance Grid

YStop engine.

YDo not touch hot exhaust pipe, engine parts, or load bank/ grid.

YKeep exhaust and pipe away from flammables.

1 Resistance Grid

Use grid sized for generator rated output.

Turn Off grid.

2 Welding Generator

Set Amperage control at min.

3

Weld Cables

 

Connect grid to generator weld

 

output terminals using proper size

 

weld cables with correct connec-

 

tors (polarity is not important).

 

4

Voltmeter

 

5

Clamp-On Ammeter

 

Connect voltmeter and ammeter as

 

shown, if not provided on generator.

 

Start engine and run for several

 

minutes.

 

Set grid switches and then adjust

 

Amperage control so load and out-

 

put are 180 A.

4

Check generator and 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 Amperage control in minimum posi- tion, then shut down grid to remove load. Run engine several minutes at no load.

YStop engine and let cool.

6 Engine Exhaust Pipe

Repeat procedure if wetstacking is present.

S-0684

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Page 42
Image 42
Miller Electric Metro 250D manual Run-In Procedure Using Resistance Grid