Perkins Phaser Series - Data and Dimensions

TIMING CASE AND DRIVE ASSEMBLY 15
Data and dimensions
Note: This information is given as a guide for personnel engaged on engine overhauls. The dimensions
which are shown are those which are mainly used in the factory. The information applies to all engines,
unless an engine type code is shown.
Timing case and drive assembly
Camshaft
Diameter of number 1 journal . . . . . . . . . . . . . . . . . . . . . . . . . . . 50,71/50,74 mm (1.9965/1.9975 in)
Diameter of number 2 journal . . . . . . . . . . . . . . . . . . . . . . . . . . . 50,46/50,48 mm (1.9865.1.9875 in)
Diameter of number 3 journal:
- Four cylinder engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49,95/49,98 mm (1.9665/1.9675 in)
- Six cylinder engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50,20/50,23 mm (1.9765/1.9775 in)
Diameter of number 4 journal:
- Six cylinder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49,95/49,98 mm (1.9665/1.9675 in)
Clearance of all journals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0,06/0,14 mm (0.0025/0.0055 in)
Cam lift:
- Inlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7,62/7,69 mm (0.2999/0.3029 in)
- Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7,71/7,79 mm (0.3036/0.3066 in)
Maximum permissible ovality and wear on journals . . . . . . . . . . . . . . . . . . . . . . . . 0,05 mm (0.021 in)
End-float:
- Production limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0,10/0,41 mm (0.004/0.016 in)
- Service limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0,53 mm (0.021 in)
Width of spigot for thrust washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5,64/5,89 mm (0.222/0.232 in)
Camshaft thrust washer
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360°
Depth of recess in cylinder block for thrust washer . . . . . . . . . . . . . . . 5,46/5,54 mm (0.215/0.218 in)
Thickness of thrust washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5,49/5,54 mm (0.216/0.218 in)
Relationship of thrust washer to front face of cylinder block . . . . . . -0,05/+0,08 mm (-0.002/+0.003 in)
Camshaft gear
Number of teeth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Diameter of bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34,93/34,95 mm (1.3750/1.3760 in)
Outside diameter of hub of camshaft . . . . . . . . . . . . . . . . . . . . . . 34,90/34,92 mm (1.3741/1.3747 in)
Clearance fit of gear on hub . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0,008/0,048 mm (0.0003/0.0019 in)
Fuel pump gear
Number of teeth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Bore:
- AE, YE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36,00/36,06 mm (1.417/1.419 in)
- All other engine types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tapered
Clearance fit on hub:
- AE, YE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0,003/0,075 mm (0.0001/0.0030 in)
Perkins Phaser/1000 Series, April 1995 15A.21