Perkins 103-06 - 103-06 Specific Service Standards

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