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36 OM-402
9. Run-In Procedure
9.1 Wetstacking
runin2 12/96
Y Heavy loading during first 50
hours will damage engine.
Keep load less than 225A
(weld) or 7 kVA (power) for
first 50 hours.
. 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.
1 Welding Generator
2 Engine 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
engine using one of the following
run-in procedures.
See the engine manual for addition-
al engine run-in information.
1
2