10-3. Run-In Procedure Using Resistance Grid

! Stop engine.

! Do not touch hot exhaust pipe, engine parts, or load

bank/grid.

6

 

 

!

Keep exhaust and pipe away

 

 

 

 

 

 

 

from flammables.

 

2

 

NOTICE − Do not perform run-in

 

 

 

procedure at less than 20 volts weld

 

 

 

output and do not exceed duty

 

 

 

cycle or equipment damage may

 

 

 

occur.

 

 

 

1

Resistance Grid

 

 

 

Use grid sized for generator rated

 

 

1

output.

 

 

Turn Off grid.

 

 

 

 

 

 

2

Welding Generator

 

 

 

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

3

5

 

generator V/A control so load

 

equals 225 amps at 30 volts.

 

 

 

Check generator and meters after

 

 

 

first five minutes then every fifteen

 

 

 

minutes to be sure generator is

 

 

 

loaded properly.

4

 

 

. Check oil level frequently dur-

 

 

 

 

ing run-in; add oil if needed.

It is recommended to run the weld- ing generator for two hours mini-

+mum and up to four hours under load. Place V/A control in minimum position, then shut down grid to remove load. Run engine several minutes at no load.

! Stop engine and let cool.

6 Engine Exhaust Pipe

Repeat procedure if wetstacking is present.

S-0684

OM-492 Page 50

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Image 54
Miller Electric PipePro 304 manual Run-In Procedure Using Resistance Grid, From flammables