Perkins 103-06, Workshop Manual

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NOTE: When grinding the crankshaft, work with 103-09/10/Perama M25/M30
the following specifications: (A) Cam height (intake and exhaust cams)
Standard value Allowable limit
26.445-26.5mm 26.1 mm
(1.041-1.043") (1.0275")
103-06
Standard value
I
Allowable limit
26.565-26.62mm
(1.0459-1.0480")
26 1mm (1.
0275')
PB057
(A)-
Radius at pin/journal
3mm ± 0.2mm
118 .0078
(B): Finish precision
1.6Z(`." V)
(C): Radius around oil hole:
0787/2mm in maximum
196 '75mm in minimum
Use No. 400 emery cloth for final polishing.
Flywheel and Ring gear -
Inspection
A. Check the ring gear. If it is excessively damaged or
worn, replace it.
B. When wear is not excessive, remove the ring gear
and reinstall 90° from original position. To install,
preheat the ring gear up to 120° to 150°C.
Camshaft Assembly -
Inspection
A. Check the journals and cams for wear and damage.
Replace if the allowable limit is exceeded.
B. Correct uneven wear or small scratches on the
cam surface with oil stone.
PB059
103-09/10/Perama M25/M30
(B) Height of cam for injection pump
Standard height
I
Allowable limit
33.94-34.06mm (
1.336")
33 8mm
(1341 )
103-06
Standard height
Allowable limit
34.48-34.52mm (
1.3575-1.3591 ")
34.3mm (
1 3504")
(C) Height of cam for fuel feed pump -
All engines
Standard height Allowable limit
27.9-28.0mm (
1.098-1.102")
27.0mm
(1.06)