Kubota WSM F2880 Workshop Manual page 78

F2880, F3680, RCK72-F36, RCK72R-F36, RCK60-F36, RCK60R-F36, WSM
Valve Clearance
IMPORTANT
• Valve clearance must be checked and adjusted when engine
is cold.
1. Remove the cylinder head cover and the glow plugs.
2. Align the "1TC" mark (1) on the flywheel with alignment mark (2)
on the rear end plate so that the No. 1 piston comes to the
compression top dead center.
3. Check the following valve clearance marked with " " using a
thickness gauge.
4. If the clearance is not within the factory specifications, adjust with
the adjusting screw.
5. Then turn the flywheel 6.28 rad (360 °), and align the "1TC" mark
(1) on the flywheel and alignment mark (2) on the rear end plate
so that the No. 1 piston comes to the overlap position.
6. Check the following valve clearance marked with " " using a
feeler gauge.
Number of cylinders
Valve arrangement
Adjustable cylinder
location of piston
1st
When No. 1 piston is
2nd
at compression top
3rd
dead center
4th
1st
2nd
When No. 1 piston is
at overlap position
3rd
4th
Valve clearance Factory spec.
7. If the clearance is not with in the factory specifications, adjust
with the adjusting screw.
NOTE
• The sequence of cylinder numbers is given as No. 1, No. 2,
No. 3 and No. 4 starting from the gear case side.
• After adjusting the valve clearance, secure the adjusting
screw with the lock nut.
(1) "1TC" Mark
1-S12
D1105 V1505
IN. EX. IN.
0.145 to 0.185 mm
0.00571 to 0.00728 in.
(2) Alignment Mark
W10155550
ENGINE
EX.
KiSC issued 04, 2006 A