Perkins 103-06 Workshop Manual page 67

103-06
Inspection items
CYLINDER HEAD
CYLINDER BLOCK
Type
Bore
Distortion of upper face of cylinder
block
PISTON
Skirt diameter (longer diameter)
Clearance to cylinder
Inside diameter of piston pin
Piston pin hole-to-pin clearance
PISTON PIN
Outer diameter of pin
Small end bush-to-pin clearance
PISTON RING
Piston ring gap:
No. 1 ring
No. 2 ring
Oil ring
103-06 Service Standards
Standard Standard
Dimension Value
ENGINE
more than 30
(426.6)
less than 0.05
(.002")
0.70-0.90
(.0256-.0354")
1.59-1.80
(.0626-.0709")
3.5-4.0
(25.3-28.9)
Dry type (single piece)
64 64.00-64.019
(2.52") (2.5197-2.5204")
less than 0.05
(.002")
MAIN REVOLVING SYSTEM
64 63.948-63.963
(2.52") (2.5176-2.5182")
0.038-0.072
(.0015-.0028")
19 18.998-19.002
(.748") (.7480-.7481 ")
-0.004-+0.004
(-.00016-+.00016")
19 18.998-19.002
(.748") (.7480-.7481")
0.013-0.028
(.0005-.0011")
0.13-0.25
(.0051-0.01 ")
0.10-0.22
(.004-0.009")
0.10-0.30
(.004-.012")
To Be Allowable
Repaired Limit
less than 25
(355.5)
more than 0.12
(.0047")
1.8
(.0709")
2.5
(.098")
64.2 65.2
(2.5276") (2.5669")
0.12
(.0047")
63.7
(2.5079")
0.25
(.010")
0.02
(.0008")
0.08
(.0031 ")
1.0
(.04")
Remarks
Engine 200rpm
Valve seat angle
45°
Coat threads with
molybdenum bisul
fulde based grease.
Over size (0.5, 1.0)
(.02,.04")
Oversize (0.5, 1.0)
(.02,.04")
20°C
Oil clearance