Perkins Phaser Series - Page 330

AUXILIARY EQUIPMENT 24A
Compressor drive assembly for Wabco compressors
- latest engines
Number of teeth on front idler gear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Number of teeth on rear idler gear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Inside diameter of idler gears . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22,25/22,27 mm (0.8760/0.8768 in)
Outside diameter of shaft for idler gears . . . . . . . . . . . . . . . . . . . . 22,23/22,24 mm (0.8750/0.8756 in)
clearance fit of gears on shaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0,01/0,04 mm (0.0004/0.0016 in)
Inside diameter of front bearing . . . . . . . . . . . . . . . . . . . . . . . . 24,987/25,003 mm (0.9837/0.9844 in)
Outside diameter of shaft for front bearing . . . . . . . . . . . . . . . . 25,002/25,011 mm (0.9843/0.9847 in)
Interference fit of bearing on shaft . . . . . . . . . . . . . . . . . . . . . . . . 0,002/0,021 mm (0.0001/0.0008 in)
Housing bore for front bearing . . . . . . . . . . . . . . . . . . . . . . . . . 61,912/61,931 mm (2.4375/2.4382 in)
Outside diameter of front bearing . . . . . . . . . . . . . . . . . . . . . . . 61,987/62,000 mm (2.4404/2.4409 in)
Interference fit of front bearing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0,06/0,09 mm (0.002/0.003 in)
Outside diameter of shaft for rear bush . . . . . . . . . . . . . . . . . . . . . . . 15,82/15,85 mm (0.623/0.624 in)
Clearance fit of shaft in bush . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0,025/0,080 mm (0.001/0.003 in)
Bendix compressor
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bendix 1W150R or 1W250R
Number of teeth on compressor drive gear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Taper of compressor drive shaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 in 8
Perkins Phaser/1000 Series, April 1995 24A.15