Perkins 103-06, Руководство по ремонту

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SECTION VIII
Service Standards
103-09, 103-10, Perama M25, M30
Unless otherwise stated 103-09 is equivalent to Perama M25
103-10 is equivalent to Perama M30
Inspection
items
Standard
Dimensio
n
Standard
Value
To Be
Repaire
d
Allowable
Limit
Remarks
ENGINE
CYLINDER HEAD
CYLINDER BLOCK
more than 30
(425 psi)
less than 25
(355 psi)
Engine 200rpm
less than 0.05 more than 0.12
0.85-1.15
(.034-.045")
1.8
(.045")
Valve seat angle
45"
1.7-2.1 2.5
(.067-.083") (.098")
5.25-5.75kgf.m Coat threads with
38-421bf/ft molybdenum bisul
fulde based grease.
Type 103-09 Dry type (single
piece)
Bore 72
(2.835")
71.99-72.005
(2.834-2.835")
72.2 73.2 Oversize (0.5, 1.0)
(2.843") (2.88") (.020/.040")
Type 103-10 Dry type (single
piece)
Bore
Distortion of upper face of cylinder
block
75
(2.952")
75-75.019
(2.95-2.954")
less than 0.05
(.002")
75.2 76.2 Oversize (0.5, 1.0)
(2.960") (3.0") (.020/.040")
0.12
(.005")
PISTON 103-09
Skirt diameter (longer diameter) 72 (2.835") 71.9325-71.9475 (2.832-2.833") 71.7 (2.823") Oversize (0.5, 1.0)
(.020/.040")
Clearance to cylinder 0.0425-0.0725 (.0017-.0029") 0.25 (.009") 20'C
Inside diameter of piston pin 21 (826 ) 20.998-21.002 (.8267-8268")
Piston pin hole-to-pin clearance -0.004-+0.004 (-.0001 -± 0001 ) 0 02 ( 0007')
PISTON 103-10
Skirt diameter (longer diameter) 75 (2.952") 74.9425-74.9575 (2.950-2.951 ") 74.7 (2.941 ") Oversize (0.5, 1.0)
(.020/.040")
Clearance to cylinder 0.0425-0.0665 (.0017-.0026") 0.25 (.009") 20°C
Inside diameter of piston pin 21 (.826") 20.998-21.002 (.8266-.8268")
Piston pin hole-to-pin clearance -0.004-+0.004 (.0001-±.0001 ") 0.02 (.0007")
PISTON RING 103-09
Piston ring gap:
No. 1 ring 0.15-0.27
(.0059-.010")
No. 2 ring 0.12-0.24 1.0
(.004-.010") (.039")
Oil ring 0.2-0.35
(.007-.013")