DeVillbiss Air Power Company SP-100-F Troubleshooting Guide download pdf (Page 23)

TROUBLESHOOTING CHART (Continued)

PROBLEM CAUSE

Knocking(cont'd) Flywheelloose.

Excessive Oil Consumption

CompressorOver heating

Loose belt.

Restrictedair intake.

Compressor overworked.

Poor qualityor automotive

multiviscosityoilused.

Excessive engineorcompressor

shaft end play.

Compressor overworked.

Check valve restricted.

Dirty compressor.

Highambient temperature.

Worn orcarbonizedvalves.

Compressortoo closeto wall.

Air leaks in system.

Under sized unit for air require-

ment.

Unloader notoperating.

Remote air intake pipe to small

or restricted.

Insufficient "OFF" time. Com-

pressoris runningalmost

continuously.

CORRECTION

Make sureflywheelistightbytight-

ening screw.Torquescrewto

20 +5 -0 foot-pounds.

Tighten belt.

Replace.

Reduce air consumption or add

additional air compressorto take

upload.

Drainpump and replacewith new

oil.

Checkpulleyand/orflywheel forlat-

eral movements. Contact engine

manufacturer for repair,or DeVil-

bissif a compressor problem ex-

ists.

Reduceairconsumption oradd ad-

ditionalair compressorto take up

load.

Clean.

Use remote air intake.

Replace.

Relocate.

Checkforsourceor leaksandcor-

rect.

Replace with a larger unit,

Replace.

Replace remoteairintakepipping.

Compressor should not exceed

50% run time,which is maximum

30 min/hr. Check for source of

leaks and correct,or replacewith

largercompressor,

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