Check Points Of Every 1500 Hours; Checking Nozzle Spraying Condition; Checking Fuel Injection Pressure - Kubota WSM 05-E4B Series Workshop Manual

3. MAINTENANCE
4. If the clearance is
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.
Adjustable cylinder loca-
tion of piston
1
When No. 1 pis-
2
ton is at com-
pression top
3
dead center.
4
1
When No. 1 pis-
2
ton is at overlap
3
position.
4
(1) [1TC] mark
7. If the clearance is
specifications, adjust with the adjusting screw.
Service specifi-
Valve clearance
cation
3-16
not within the service
3 cylinder 4 cylinder
IN. EX. IN. EX.
☆ ☆ ☆ ☆
☆ ☆
☆ ☆
－ －
☆ ☆
☆ ☆
－ － ☆ ☆
(2) Alignment mark
not within the service
0.145 to 0.185 mm
0.00571 to 0.00728 in.
CHECK AND MAINTENANCE
11. Check points of every 1500 hours
11. Check points of every 1500
hours
CAUTION
• Check the nozzle
condition after confirming that there is nobody
standing in the direction the fume goes.
• If the fume from the nozzle penetrate the human
body, cells may be destroyed and blood
poisoning may be caused.
11.1 Checking nozzle spraying
condition
1. Set the injection nozzle to a nozzle tester, and
check the nozzle spraying condition.
(a) Good
2. If the spraying condition is damaged, replace the
nozzle piece.
11.2 Checking fuel injection
pressure
1. Set the injection nozzle to a nozzle tester.
2. Slowly move the tester handle to measure the
pressure at which fuel begins jetting out from the
nozzle.
injection pressure and
(b) Bad
05-E4B SERIES,05-E4BG SERIES
KiSC issued 03, 2023 A