Kubota RTV1140CPX, Workshop Manual

Page: 94 / 379

ENGINE
RTV1140CPX, WSM
1-S11
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 center of timing window (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.
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
and No. 3 starting from the gear case side.
• After adjusting the valve clearance, secure the adjusting
screw with the lock nut.
9Y1210293ENS0009US0
Adjustable cylinder location of piston
Number of cylinders
Valve arrangement
3 cylinder
IN. EX.
When No. 1 piston is at
compression top dead center
1st
 
2nd

3rd

When No. 1 piston is at overlap
position
1st
2nd

3rd

Intake and exhaust valve
clearance (Cold)
Factory specification
0.145 to 0.185 mm
0.00571 to 0.00728 in.
(1) "1TC" Mark (2) Timing Window
KiSC issued 05, 2014 A