Miller Electric OM-4409 User Manual download pdf (Page 68)

OM-4409 Page 64

SECTION 14 − RUN-IN PROCEDURE

run_in1 2007−04

14-1. 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.

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