S-79
J SERIES, WSM
ENGINE
Correcting Valve and Valve Seat
NOTE
• Before correcting the valve and seat, check the valve stem
and the I.D. of the valve guide section, and repair them if
necessary.
• After correcting the valve seat, be sure to check the valve
recessing.
1) Correcting Valve
1. Correct the valve with a valve refacer.
2) Correcting Valve Seat
1. Slightly correct the seat surface with seat cutter (Code No.
07909-33102).
[Z482, D722]
[D1005, V1305]
1. Resurface the seat surface with a 0.52 rad. (30
) valve seat cutter
to intake valve seat and with a 0.26 rad. (15
) valve seat cutter to
exhaust valve seat so that the width is close to specified valve
seat width (2.12 mm, 0.0835 in.).
2. After resurfacing the seat, inspect for even valve seating, apply a
thin film of compound between the valve face and valve seat, and
fit them with valve lapping tool.
3. Check the valve seating with prussian blue. The valve seating
surface should show good contact all the way around.
W10319540
Intake Valve
Factory spec.
0.79 rad
45
Exhaust Valve
Factory spec.
0.79 rad
45
Intake Valve
Factory spec.
1.05 rad
60
Exhaust Valve
Factory spec.
0.79 rad
45
(a) Identical Dimensions
(b) Valve Seat Width
(c) 0.52 rad. (30
) or 0.26 rad. (15
)
(d) 0.26 rad. (15
) or 0.52 rad. (30
)
(e) 0.79 rad. (45
) or 1.05 rad. (60
)
(A) Check Contact
(B) Correct Seat Width
(C) Check Contact
KiSC issued 10, 2016 A
Summary of Contents for J106-AUS
Page 1: ...WORKSHOP MANUAL DIESEL GENERATOR J SERIES KiSC issued 10 2016 A ...
Page 20: ...M 7 GENERATOR J SERIES WSM 3 Flow Chart KiSC issued 10 2016 A ...
Page 21: ...M 8 J SERIES WSM GENERATOR W1012333 KiSC issued 10 2016 A ...
Page 23: ...M 10 J SERIES WSM GENERATOR 5 WIRING DIAGRAM KiSC issued 10 2016 A ...
Page 24: ...M 11 GENERATOR J SERIES WSM KiSC issued 10 2016 A ...
Page 25: ...M 12 J SERIES WSM GENERATOR KiSC issued 10 2016 A ...
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Page 54: ...S 8 J SERIES WSM GENERAL D Engine Circuit Troubleshooting Z482 D722 KiSC issued 10 2016 A ...
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Page 59: ...S 13 J SERIES WSM GENERAL E Engine Circuit Troubleshooting D1005 V1305 KiSC issued 10 2016 A ...
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