T
M5-4310-360-14
1-8. Differences between Models.
Capacities.
Compressor crankcase
. 1-2/3 pints (0.8
This manual covers only the C & H Distributors
liters)
Model 20-902/3 Air Compressor. No unit differ-
Air receiver tank . . .
. 2 gallons (7.6
ences exist for the model covered by this manual
liters)
Fuel tank . . . . . . . . . .
. 1.9 gallons (7.2
liters)
1-9. Performance Data
a.
Model 20-902/3 air compressor.
1-10. Organizational Maintenance Data.
Manufacturer . . . . . . . . . . C 81 H Distri-
buttors Inc.
a.
Compressor.
Model . . . . . . . . . . . . . . . 20-90213
o u t p u t . . . . . . . . . . . . . . 5 cfm at 175 psi
(1) Air hose.
T y p e . . . . . . . . . . . . . . . . Gas engine
driven, hand-
Length . . . . , . . . .
.
. 50 feet (15.2 m)
truck mounted
Diameter . . . . . . .
. . . 5/1 6 inside
Serial Number . . . . . . . . 25000 through
diameter
25344
(7.9 mm)
. . , . 200 psi (14 kg/sq
Maximum pressure
b.
Engine.
cm)
Make . . . . . . . . . . . . . . . Military Standard
Engine
(2) Dimensions and weight.
Model . . . . . . . . . . . . . . . 1 A08-3
T y p e . . . . . . . . . . . . . . . . 4-Cycle, gasoline,
Length . . . . . .
52 inches (1.32
overhead valve,
m)
air cooled
W idth . . . . . . . .
22 inches (0.56
Number of cylinders. . . . 1
m)
Bore . . . . . . . . . . . . . . . . 2.250 in. (5.715
Height . . . . . . . .
27 inches (0.69
cm)
m)
Stroke . . . . . . . . . . . . . . 2 in. (5.08 cm)
Weight, net , . . . . .
146 Ibs. (66.4 kg)
Piston displacement . . . . 8 cu. in. (131.12
Shipping weight . .
245 Ibs. (11.4
cu cm)
kg)
Compression ratio . . . . 6:1
Volume . . . . .
.
45.1 cu ft (1.277
Horsepower at
cu m)
3,600 rpm . . . . . . . . . . 1.5
C.
Air compressor.
b.
Engine.
Manufacturer . . . . . . . . C & H Distri-
butors Inc.
(1) Carburetor.
Model . . . . . . . . . . . . . . . 86-083
T y p e . . . . . . . . . . . . . . . . 2 Stage Vertical
Make . . . . . _ . . .
. . Military design
Speed . . . . . . . . . . . . . . . 860 rpm
(2) Fuel pump.
Bore and stroke
Low pressure . . . . . . . . 3 in. x 2 in.
Make . . . , . . .
Military design
(7.62 cm x
Type . . . . . . . . . .
Diaphragm
5.08 cm)
Fuel pump outlet
High pressure . . . . . . . . 1-1/2 in. x 2 in.
pressure . . . . . .
3.0 to 4.5 psi
(3.81 cm x
(0.21 to 0.32
5.08 cm)
kg/sq cm)
d.
Compressor air cleaner.
(3) Air cleaner.
Manufacturer . . . . . . . . . C & H Distri-
butors Inc.
Make . . . . . _ . . . .
. Military design
T y p e . . . . . , . . . . . . . . . . Dry type-
Type:
cleanable
Model 1A08-3 . .
. Dry
1-3
