Perkins 103-06, Руководство по ремонту

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SECTION IV
Disassembly, inspection, fits and
clearances of component assemblies
Rocker Arm Assembly
- Disassembly
A. Remove the bolt at the rocker arm shaft end.
B. Pull out the pin located in No. 1 cylinder rocker
arm bracket.
C. Pull out the rocker arm, spring and bracket.
Standard Clearance Allowable limit
0.032-0.068mm
(.001-.026")
0.2mm
(.008")
E0027
C. Wear on valve stem contact face of the rocker
arm.
Check the face for step wear or score. Slight
wear may be corrected using an oil stone.
Cylinder Head Assembly
A. Using a valve spring replacer, compress the valve
spring to remove the valve collets, retainer, spring and
valve.
Spring pin
PB025
- Inspection and Correction
A. Wear of rocker arm shaft
Using a micrometer, check outside diameter of the
rocker arm shaft. If the rocker arm shaft is worn
beyond allowable limit, replace.
Standard dimension Allowable limit
11.65-11.67mm (
.459-.460")
11.57mm (
456 )
PB026
B. Rocker arm-to-shaft clearance
Measure the inside diameter of the rocker arm.
Calculate the clearance between the rocker arm and
rocker arm shaft. If the clearance is excessive,
replace.
PB028