Miller Electric Metro 250D manual Run-In Procedure, Wetstacking, Heavy loading during first

9.Run-In Procedure

9.1Wetstacking

Y Heavy loading during first 50		runin2 12/96
hours will damage engine.
Keep load less than	225A
(weld) or 7 kVA (power) for
first 50 hours.		2
. Do not idle engine longer than
necessary. Piston rings	seat
faster if engine runs at weld/
power rpm, and the welding
generator is kept loaded during
run-in.

1Welding Generator

2Engine Exhaust Pipe

Wetstacking is unburned fuel and oil in the exhaust pipe and occurs during run-in if the engine is run too long at light load or idle rpm.

If exhaust pipe is coated with a wet,
black, tar-like substance, dry the	1
engine using one of the following
run-in procedures.

See the engine manual for addition- al engine run-in information.

36 OM-402