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Apr. 2007
DSC48
11
10
9
417W281A
417W282A
► VALVE SPRING SQUARENESS (TILT)
1. On a fl at table, place the spring and a square by the
spring.
2. Measure the maximum distance "A" (see fi gure), while
rotating the spring.
3. If the measurement exceeds the allowable limit, replace
it.
► ROCKER ARM AND SHAFT CLEARANCE
1. Measure the rocker arm I.D. with an inside micrometer.
2. Measure the rocker arm shaft O.D. with an outside mi-
crometer.
3. If the measurement exceeds the allowable limit, replace
the rocker arm.
4. If the clearance still exceeds the allowable limit after
replacing the rocker arm, replace the rocker arm shaft.
Factory spec. Allowable limit
-
1.0 mm
0.039 in.
Factory spec. Allowable limit
Clearance
0.020 ~ 0.070 mm
0.001 ~ 0.003 in.
0.15 mm
0.006 in.
Rocker
arm shaft
O.D.
18.955 ~ 18.980 mm
0.746 ~ 0.747 in.
-
Rocker
arm I.D.
19.0 ~ 19.025 mm
0.748 ~ 0.749 in.
-
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