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11—ENG
MGP-SL10120H-2A
INSTALLATION AND BREAK-IN PROCEDURES
Break-In Procedures
Additional Regulators and
Controls
Multi-viscosity motor oils like 10W30, should
not be used in an air compressor. They
leave carbon deposits on critical compo-
nents, thus reducing performance and com-
pressor life. Use air compressor oil only.
See Maintenance for oil recommendations.
The Break-In Procedure is required when:
A. New compressor is put into service.
B. Check valve is replaced
C. New pump is installed on tank.
1.Recheck compressor wiring. Make sure wires are
secure at all terminal connections. Free all contacts of
loose wire cuttings, etc.
2.Open the air outlet valve fully to permit air to escape
and prevent air pressure build-up in the tank during the
break-in period.
3.Position the fuse disconnect or circuit breaker to the
ON position and, if equipped, turn the ON/AUTO-OFF
switch on the pressure switch to the ON position.
4. Run the compressor for 30 minutes. Make sure the air
outlet, or globe valve, is open and there is no tank
pressure build-up.
5.Check for excessive vibration and noise. Adjust air
compressor belt guard as necessary to eliminate
chatter. Re-adjust or shim the air compressor feet, if
necessary, for proper level.
6. Close the outlet valve and let air compressor pump up
to "cut-out pressure". Turn the air compressor off and
check oil level. Add oil if necessary. Connect air hose
to air outlet adapter.
7. Check all air line fittings and connections/piping for air
leaks by applying a soap solution. Correct as neces-
sary. Even minor leaks can cause this air compressor
to overwork, resulting in premature breakdown or
inadequate performance.
Serious damage may result if the fol-
lowing break-in instructions are not
closely followed.
Since the air tank pressure is usually greater than that
which is needed, a separate regulator is usually employed
to control the air pressure ahead of any individual air driven
device.
Separate air transformers that combine the functions of air
regulation and moisture and dirt removal should be used
where applicable.
Lubrication and Oil
Remove the oil fill plug and fill the crankcase with recom-
mended oil. Refer to the Service Instructions in this manual
for the specific oil recommended for use in your compres-
sor unit. Replace the oil fill plug. Always fill to middle of
sight glass.
Compressors are shipped without oil. A
small amount of oil may be present in the
pump upon receipt of the air compressor.
This is due to plant testing and does not
mean that the pump contains oil. Do not
attempt to operate in order to check wiring
or for any reason without first adding oil to
the crankcase. Serious damage to the pump
can result from even very limited use with-
out oil. Fill crankcase with recommended
oil before operating.
Air Filter Installation
To install air filter:
Insert threaded end of the air filter assembly into elbow
and tighten until snug.
Do not operate compressor without air
filter assembly installed as this will
cause damage to the compressor.