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21—ENG
MGP-SL10120H-2A
TROUBLESHOOTING GUIDE
PROBLEM
CAUSE CORRECTION
Too many motor starts per hour. Consult Service Center.
Check electrical hookup and installation data or con-
sult electrician.
Improper wiring gauge.
Incorrect voltage.
Water in pump crankcase; oil
appears milky in color.
Liquid water or moisture in air
lines.
Humid operating conditions.
Relocate compressor outfit, or change oil frequently.
Motor overheating.
(Continued)
Consult Service Center.
Install compressed air dryer sized for the flow and
dryness level required.
Unit not reaching proper operating
temperature because the compres-
sor runs infrequently and is oversized
for the air requirement.
Condensation forms in air lines when
the warm compressed air coming
from the air tank starts to cool down
as it travels through the air lines.
NOTENOTE
NOTENOTE
NOTE
Current style electric motors run relatively hot under normal operating
conditions, with reasonable compressor loading. This condition is normal
and no adjustment is necessary.
Under normal operating conditions, the motor amperage draw will not
exceed the nameplate amperage rating, plus the service factor, as it appears
on the electric motor. If a condition of sustained high amperage exists, refer
to service checks above and/or consult electrician. If cause cannot be isolated
by an electrician, consult with Service Center for additional assistance.