DAELIM DAYSTAR -, Руководство по обслуживанию

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8-1
Cylinder Head / Valve
Service Information
General
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Rocker arm and cam shaft can be serviced with the engine installed in the frame. To service the
cylinder heads. the engine must be removed from the frame.
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Cam shaft lubrication oil is fed through an oil pipe. Be sure that the oil pipes and orifice are not
clogged before installing the cylinder head.
Specifications
8. Cylinder Head / Valve
Service Information
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8-1
Troubleshooting
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8-2
Camshaft Removal
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8-3
Cylinder head Removal
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8-5
Cylinder Head Disassembly
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8-6
Valve Guide Replacement
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8-8
Valve Seat Inspection
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8-9
Cylinder Head Assembly
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8-11
Cylinder Head Assembly
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8-13
Cylinder Heand Installation
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8-13
Item Standard Service Limit
Rocker Arm
Rocker Arm I.D 12.016~12.034(0.4731~0.4738) 12.060(0.4748)
Rocker Arm O.D 11.982~12.000(0.4717~0.4724) 11.950(0.4505)
Cam Shaft Cam Height
IN. 37.640~37.800(1.4819~1.4881) 37.420(1.4732)
EX. 37.520~37.680(1.4772~1.4835) 37.300(1.4685)
Valve Spring Free Length IN., EX. 41.65(1.640) 40.0(1.57)
Valve Stem O.D
IN. 4.975~4.990(0.1959~0.1965) 4.925(0.1939)
EX. 4.995~4.970(0.1951~0.1957) 4.905(0.1931)
Valves Valve Guide I.D IN., EX. 5.000~5.012(0.1969~0.1973) 5.03(0.198)
Stem to Guide IN. 0.010~0.037(0.0004~0.0015) 0.08(0.003)
Clearance EX. 0.030~0.057(0.0012~0.0022) 0.10(0.004)
Valve Seat Width 0.7~0.9(0.028~0.035) 1.3(0.051)
Unit:mm(in)
8