TRUCK SERVICE MANUAL
BODIES AND CABS
SPECIFICATIONS
(AIR COMPRESSOR)
MODEL
Tu-Flo 500
Number of Cylinders
2
Capacity (cfm) (at 1250 RPM)
12
Bore (Inches)
2-1/2
Stroke (Inches)
1-11/16
Maximum Speed for Compressor (RPM)
3000
Cooling Water
Piston-to-Cylinder Bore Clearance (In.)
.002-.004
Number of Rings Used on Each Piston
5
Ring Gap in Cylinder Bore (Inch)
.005-.015
Ring Fit in Grooves (Inch):
Top
.002-.004
2nd
.002-.004
3rd
.035-.055
4th
.002-.004
5th
.035-.055
Wrist Pin-to-Connecting Rod Bushing
Clearance (Inch)
.0001-.0006
Connecting Rod Bearing Clearance (In.)
.0003-.0021
Discharge Valve Lift (Inch)
.056-.070
Inlet Valve Seat
(Dimension from Top of Block)
Not to Exceed
.145
Not less Than
.101
126