TM 5-3805-263-14&P-3
TABULATED DATA
Number Cylinders
2
Bore Size
2.0625"
Stroke
1.5"
Displacement at 1250 RPM
7.25 cu. ft./min.
Maximum recommended RPM
3,000 water cooled
2,400 air cooled
Minimum coolant flow at
2.5 gal./min.
maximum RPM
water cooled
250 CFM air flow
Approximate horsepower required
at 1250 RPM
1.2 H.P.
250F.
Maximum inlet air temperature
400 F.
Maximum discharge air temperature
Minimum pressure required
to unload
60 PSI
Minimum oil pressure required at
engine idling speed
5 PSI
Minimum oil pressure required at
maximum governed engine speed
15 PSI
Approximate average weight
34 lbs.
Oil capacity of self-lubricated model
53 qts.
Minimum discharge line size
1/2" O.D. tubing
or equivalent
Minimum coolant line size
3/8" O.D. tubing
or equivalent
Minimum oil supply line size
1/4" O.D. tubing
or equivalent
Minimum oil return line size
1/2" O.D. tubing
or equivalent
**Minimum air inlet line size
5/8" I.D.
*Part Number dictates oil capacity
**Inlet line sizes specified for compressors with inlet connected to engine manifold
COMPRESSOR TROUBLESHOOTING CHART
SYMPTOMS
CAUSE
REMEDY
1. Compressor passes excessive
A. Restricted air intake
A. Check engine or compressor air cleaner and
oil as evidenced by presence
replace if necessary. Check compressor air
of oil at exhaust ports of
inlet line for kinks, excessive bends and be
valving or seeping from air
certain inlet lines have the minimum
strainer
specified inside diameter. Recommended
minimum inlet line inside diameter is 5/8".
Recommended maximum air inlet restriction
is 25" of water.
3-141
