28
3.Worn rods, wrist pin or
main bearings
3.Check and replace worn parts
Knocking Noise
1.Compressor valves loose
or broken
1.Check and replace worn or broken valves
2.Inspect check valve, it
may knock at low pressures
2.Remove and clean check valve
3.Possible defect in safety
valve
3.Operate safety valve manually by pulling on ring.
If valve still leaks, it should be replaced
Excessive noise
1.Loose fittings
1.Reduce air pressure, then check all fittings with a
soap solution for air leaks and tighten as needed
Do not overtighten
2.Unit not on level surface 2.Reposition unit on a level surface
Moisture in discharge air
Too much moisture in air Install inline air filter/dryer, and/or relocate to less
humid environment
Excessive tank pressure - safety valve pops off
1.Safety valve needs
service
1.Pull on test ring of safety valve. If it still pops,
replace
2.Pressure switch does not
shut off motor when
compressor reaches "cut-o
ut" pressure
2.Set On/Off power Switch to the "
OFF
" position, if
the outfit does not shut off contact a Trained
Service Technician
3.Pressure switch "cut-out"
too high
3.Contact a Trained Service Technician
Air leaks from pump or fittings
Loose fittings
Reduce air pressure, then check all fittings with a
soap water solution for air leaks and tighten as
needed.
Do not overtighten
.
Air leaks in air tank or at air tank welds
Defective or rusted tank 1. Air tank must be replaced. Do not repair the
leak.
Risk bursting. Do not drill into, weld or
otherwise modify air tank or it will weaken. The
tank can rupture or explode.
2.Have tank replaced by a qualified technician.
Drain moisture from tank daily to prevent future
corrosion.
Содержание A12101
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