Check Point Of Every 800 Hours - Kubota SM-E3B Series Workshop Manual

SM-E3B SERIES WSM

[12] CHECK POINT OF EVERY 800 HOURS

Checking Valve Clearance
IMPORTANT
• Valve clearance must be checked and adjusted when engine
is cold.
1. Remove the cylinder head cover (1) and the glow plugs.
2. Align the "1TC" mark (2) on the flywheel and alignment mark (3)
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
feeler 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
(2) on the flywheel and alignment mark (3) 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 within the factory specifications, adjust with
the adjusting screw.
Number of cylinders
Valve arrangement
Adjustable cylinder
location of piston
No. 1
No. 2
No. 3
: When No. 1 piston is at the compression top dead center position.
: When No. 1 piston is at the overlap position.
Intake and exhaust
Factory spec.
valve clearance (cold)
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.
(1) Cylinder Head Cover
(2) "1TC" Mark
(3) Alignment Mark
G-23
G GENERAL
D722-E3B
Z482-E3B
D782-E3B
Z602-E3B
D902-E3B
Intake Exhaust Intake
valve valve valve
– –
0.145 to 0.185 mm
0.00571 to 0.00728 in.
A : Gear Case Side
[a] Z482-E3B, Z602-E3B
[b] D722-E3B, D782-E3B, D902-E3B
KiSC issued 03, 2011 A
Exhaust
valve
W10113200