Miller Electric Big Blue 300 Welding System User Manual


 
OM-4433 Page 50
SECTION 10 RUN-IN PROCEDURE
run_in1 200704
10-1. Wetstacking
1 Welding Generator
Run diesel engines near rated volt-
age and current during run-in period
to properly seat piston rings and
prevent wetstacking. See name-
plate, rating label, or specifications
section in this manual to find rated
voltage and current.
NOTICE 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.
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.
2
1
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.