Product Manual

Industrial / Air Master Series Quincy Compressor
50161-105, March 2008 6 3501 Wismann Lane, Quincy Ill. - 62305-3116
Specifications
QT-5 / PLT-5 QT-7.5 / PLT-7.5 QT-10
Cylinder Bore Dia. H.P. 2.250 / 2.251 2.500 / 2.501 2.753 / 2.752
L.P. 4.00 / 4.001 4.502 / 4.503 5.003 / 5.002
Piston Skirt Dia. H.P. 2.247 / 2.246 2.497 / 2.496 2.749 / 2.748
L.P. 3.995 / 3.994 4.499 / 4.498 4.997 / 4.995
Piston / Cylinder H.P. 0.003 / 0.005 0.003 / 0.005 .003 / .005
Clearance at Skirt L.P. 0.005 / 0.007 0.003 / 0.005 .005 / .008
Crankshaft Dia. journals 1.2500 / 1.2495 1.2500 / 1.2495 1.7500 / 1.7495
main bearing (pulley end) 1.1819 / 1.1812 1.3788 / 1.3781 1.5756 / 1.5749
main bearing (opposite pulley end) 1.1819 / 1.1812 1.1819 / 1.1812 1.3788 / 1.3781
Housing Bore (pulley end) 2.4409 / 2.4419 2.8346 / 2.8351 3.1506 / 3.1496
Main Bearing (opposite pulley end) 2.4409 / 2.4419 2.4409 / 2.4419 2.8349 / 2.8344
Crankshaft End Play N/A N/A N/A
RPM Range electric 400-1000 RPM 500-1060 RPM 400-1000 RPM
gas 1060 RPM 1060 RPM
QT-15 / PLT-15 QT-54
Cylinder Bore Dia. H.P. 2.500 / 2.501 2.000 / 2.001
L.P. 4.502 / 4.503 2.750 / 2.751
Piston Skirt Dia. H.P. 2.4985 / 2.4980 1.9955 / 1.9945
L.P. 4.499 / 4.498 2.7455 / 2.7445
Piston / Cylinder H.P. 0.0015 / 0.0030 .0045 / .0065
Clearance at Skirt L.P. .003 / 0.005 .0045 / .0065
Crankshaft Dia. journals 1.7500 / 1.7495 1.1250 / 1.1245
main bearing (pulley end) 1.5753 / 1.5749 1.1816 / 1.1812
main bearing (opposite pulley end) 1.3785 / 1.3781 1.1816 / 1.1812
Housing Bore (pulley end) 3.5433 / 3.5442 2.442 / 2.441
Main Bearing (opposite pulley end) 2.8341 / 2.8346 2.442 / 2.441
Crankshaft End Play N/A N/A
RPM Range 400-1150 RPM 550-1420 RPM