S-60
J SERIES, WSM
ENGINE
Valve Clearance
IMPORTANT
• Valve clearance must be checked and adjusted when engine
is cold.
1. Remove the head cover, the glow plugs and the timing window
cover on the flywheel housing.
2. Align the
1TC
mark line on the flywheel and center of timing
window so that the No. 1 piston comes to the compression or
overlap top dead center.
3. Check the following valve clearance marked with “
” using a
feeler gauge.
4. If the clearance is not within the factory specifications, adjust with
the adjusting screw.
NOTE
• The “TC” marking line on the flywheel is just for No. 1
cylinder. There is no TC marking for the other cylinders.
• No. 1 piston comes to the T.D.C. position when the TC
marking is aligned with center of timing window on clutch-
housing. Turn the flywheel 0.26 rad. (15
) clockwise and
counterclockwise to see if the piston is at the compression
top dead center or the overlap position. Now referring to the
table below, readjust the valve clearance. (The piston is at
the compression top dead center when both the IN. and EX.
valves do not move; it is at the overlap position when both
the valves move.)
• Finally turn the flywheel 6.28 rad. (360
) and align the TC
marking line and the center of timing window. Adjust all the
other valve clearance as required.
• After turning the flywheel counterclockwise twice or three
times, recheck the valve clearance, firmly tighten the lock
nut of the adjusting screw.
• The sequence of cylinder numbers is given as No. 1, No. 2 ,
No. 3 and No.4 starting from the gear case side.
W10113200
Valve clearance
Factory spec.
0.145 to 0.185 mm
0.00571 to 0.00728 in.
Valve
arrangement
Adjustable
cylinder
location of piston
Z482
D722
D1005
V1305
IN.
EX.
IN.
EX.
IN.
EX.
When No. 1 piston is
compression top dead
center
No. 1
No. 2
No. 3
No. 4
When No. 1 piston is
overlap position
No. 1
No. 2
No. 3
No. 4
(1) Timing Window
(2) TC Mark Line
(3) Valve Clearance
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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