Perkins 103-06 Workshop Manual page 69

Inspection items
CRANKSHAFT (Continued)
O.D x I.D- of bush (journal metal)
Crush height of bush (journal metal)
Clearance between crankshaft and
journal metal (bush)
O. D. x I. D. of center bearing
Clearance between crankshaft journal
and center bearing
Crush height of center bearing
Crush height of center bearing
CAMSHAFT
For intake/exhaust
For injection pump
Height
of cam
For feed pump
PB126
Backlash of cam gear
VALVE
Diameter of intake valve stem
Diameter of exhaust valve stem
Clearance between valve
stem and alve guide
Thickness of valve
PB127 -
T-Valve clearance (intake/exhaust)
Spring strength (at 28.3mm
compressed length) kg
Valve Free length
spring
Squareness
PB128
Standard
Dimension
47 x 43
(1.85 x 1.69")
(.0014-.0035")
47 x 43
(1.85 x 1.69")
(.0014-.0035")
43 +0.015-+0.055
(+.0006
(1.693")
46
(1.811")
VALVE SYSTEM
26.565-26.620
(1.0459-1.0480")
(1.3575-1.3591")
(1.0984-1.1024")
0.08
(.2346-.2352")
(.2339-.2344")
Inlet
Exhaust
(.0018-.0028")
1.0
(.04") (.0364-.0423")
0.2
6.9
X---
y
Standard To Be
Value Repaired
0.05-0.09
(.002-.0035")
0.035-0.088
0.035-0.088
+0022")
..
0-+0.055
(0-+.0022")
34.48-34.52
27.9-28.0
(.0031 ")
5.960-5.975
5.940-5.955
0.025-0.052
(.001 -.002")
0.045-0.072
0.925-1.075
0.5
(.008") (.020")
(15.211 bs)
33
(1.299")
less than 1.0
(.04")
Allowable
Limit Remarks
Under size (0.25, 0.5)
(.01,.02")
500kg
(1102.3lbs)
0.2 Oil clearance
(.008")
Undersize (0.25, 0.5)
(.01, 0.2")
0.2 Oil clearance
(.008")
300kg
(661.4lbs)
300kg
(661.4lbs)
26.1
(1.028")
34.3
(1.389")
27.0
(1.063")
0.25
(.010")
5.9
(.2323")
5.9
(.2323")
more than 0.2
(.008")
more than 0.25
(.010")
0.5
(.020")
When cold
6.0
(13.2Ibs)
31.5
(1.240")
1.2
i
(.05")