Kubota SM-E4B Series Workshop Manual page 121

SM-E4B SERIES, WSM
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.
Factory specification
Idle gear side clearance
Allowable limit
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 font
and rear.
3. If the measurement exceeds the allowable limit, replace the
camshaft stopper.
Factory specification
Camshaft side clearance
Allowable limit
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.
Camshaft alignment Allowable limit
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.
[Z482-E4B, D722-E4B, D782-E4B]
Intake
Cam height
Exhaust
[Z602-E4B, D902-E4B]
Intake
Cam height and
Exhaust
1-S57
ENGINE
0.20 to 0.51 mm
0.0079 to 0.020 in.
0.80 mm
0.031 in.
9Y1210785ENS0076US0
0.15 to 0.31 mm
0.0059 to 0.012 in.
0.50 mm
0.020 in.
9Y1210785ENS0077US0
0.01 mm
0.0004 in.
9Y1210785ENS0078US0
Factory
26.88 mm
specifica-
1.058 in.
tion
Allowable 26.83 mm
limit 1.056 in.
Factory
25.88 mm
specifica-
1.019 in.
tion
Allowable 25.83 mm
limit 1.017 in.
Factory
26.88 mm
specifica-
1.058 in.
tion
Allowable 26.83 mm
limit 1.056 in.
9Y1210785ENS0079US0
KiSC issued 01, 2013 A