Perkins 103-06, Workshop Manual

Page: 70 / 80

Standard Standard To Be Allowable
Inspection items Dimension Value Repaired Limit Remarks
VALVE (Continued)
Inlet valve
Open-BeforeTD.C. 13°
timing Close-After B.D.C. 43°
Exhaust valve Open-Before B.D.C. 43°
timing Close-AfterTD.C. 13°
PUSH ROD
Overall length 146 145.6-146.4
(5.748") (5.732-5.764")
Outer diameter 6.3
(.248")
ROCKER ARM
Wear, rocker arm shaft 11.66 11.65-11.67 11.57
(.459") (.4587-.4594") (.4555")
Clearance between rocker arm and 0.032-0.068 0.2 Oil clearance
shaft (.0013-.0027") (.008")
LUBRICATION SYSTEM
OIL PUMP
Oil pressure switch operating pressure 0.3 0.2-0.4
(kg/cm
2
) (psi)
(4.27) (2.844-5.688)
Relief pressure (kg/cm
2
) (psi)
3-5
(42.66-71.1)
Lubrication oil capacity (lit) 3.0
Tip clearance (rotor-to-vane) 0.02-0.15 0.25
(.0008-.006") (.010")
Side clearance (rotor-to-cover) 0.1-0.15 0.2
(.004-_006") (.008")
FUEL SYSTEM
INJECTION PUMP
Type 131017390
Diameter of plunger 4.5
(.177")
Stroke of plunger 6
BeforeTD.C. 27.0-29.0°
Injection timing Piston movement 4.573-5.251
beforeTD.C. (.1800-.2067')