S-56
WG972-E2, DF972-E2, WSM
GASOLINE / LPG ENGINE
Idle Gear Side Clearance
1. Set a dial indicator with its tip on the idle gear.
2. Measure the side clearance by moving the idle gear to the front
and rear.
3. If the measurement exceeds the allowable limit, replace the idle
gear collar.
W1064208
Camshaft Side Clearance
1. Set a dial indicator with its tip on the camshaft.
2. Measure the side clearance by moving the cam gear to the front
and rear.
3. If the measurement exceeds the allowable limit, replace the
camshaft stopper.
W1064307
Camshaft Alignment
1. Support the camshaft with V blocks on the surface plate at both
end journals.
2. Set a dial indicator with its tip on the intermediate journal.
3. Measure the camshaft alignment.
4. If the measurement exceeds the allowable limit, replace the
camshaft.
W1064422
Cam Height
1. Measure the height of the cam at its highest point with an outside
micrometer.
2. If the measurement is less than the allowable limit, replace the
camshaft.
W1064551
Idle gear side clearance
Factory spec.
0.20 to 0.51 mm
0.0079 to 0.0201 in.
Allowable limit
0.80 mm
0.0315 in.
Camshaft side
clearance
Factory spec.
0.15 to 0.31 mm
0.0059 to 0.0122 in.
Allowable limit
0.50 mm
0.0197 in.
Camshaft alignment Allowable limit
0.01 mm
0.0004 in.
Cam height of intake
and exhaust
Factory spec.
26.88 mm
1.0583 in.
Allowable limit
26.83 mm
1.0563 in.
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