Perkins 103-06 Workshop Manual page 64

100 series
Table of Contents

Advertisement

Inspection items
CRANKSHAFT (Continued)
Roughness, main journal and crank pin
Crankshaft deflection
Axial play of crankshaft
Thickness of thrust washer
O.D. x I.D. of bush (journal metal)
Crush height of bush (journal metal)
Clearance between crankshaft and
journal (bush)
I.D. x O.D. of center bearing
Clearance between crankshaft journal
and center bearing
Tightening allowance of center bearing
CAMSHAFT
VALVE
Diameter of intake valve stem
Diameter of exhaust valve stem
I
Clearance between valve
Inlet
stem and valve guide
Valve clearance (Intake/exhaust)
Spring strength (at 30.4mm
compressed length) kg
Free length
Inlet valve Open-before l.u.u.
After B.D.C. 43° Exhaust valve Open-Before B.D.C.
43° timing
Close-AfterTD.C.
PUSH ROD
Overall length
Outer diameter
Standard
Dimension
1.6Z
(less than.001")
2.0
(.080")
46 x 50
(1.811-1.969")
46 x 50
(1.811-1.969")
VALVE SYSTEM
Exhaust
1i
timing Close-
13°
157
(6.18")
6.3
(.248")
Standard
To Be
Value
Repaired
less than 0.03
more than 0.06
(more than .002"
)
0.05-0.3
(.002-.012")
1.95-2.0
(.076-.080")
0.074-0.130
(.003-.005")
0.039-0.106
(.0015-.004")
0.039-0.092
(.0015-.004")
0.008-0.048
(.0003-.0018")
6.955-6.97
(.2738-.2744")
6.94-6.95
(.273-.274")
0.03-0.06
(.001 -.002")
0.05-0.75
(.002-.003")
0.2
0.5
(.008")
(.020")
8.1
(3.6lb/ft)
35 (1.4")
156.8-157.2
(6.173-6.189")
Allowable
Remarks
Limit
0.5
(.020")
1.8
(.070")
Under size (0.25, 0.5)
(.010-.020")
0.2
Oil clearance
(.009")
Under size (0.25, 0.5)
(.010-.020")
0.2
Oil clearance
(.009")
Crush height
6.89
1
(.271 ")
6.84
(2.69")
more than 0.2
(more than .007")
more than 0.25
(more than.010")
When cold
7
(3.21b/ft)
33.5 (1.3")

Hide quick links:

Advertisement

Table of Contents
loading

This manual is also suitable for:

103-09103-10Perama m25Perama m30

Table of Contents