Kubota WSM L3540-II, Workshop Manual

Page: 141 / 672

ENGINE L3540-II, L4240-II, L5040-II, L5240-II, L5740-II , WSM
1-S39
Nozzle Holder Assembly and Glow Plug
1. Remove the overflow pipe assembly (6).
2. Remove the nozzle holder assemblies (2) using a 21 mm deep
socket wrench.
3. Remove the copper gasket (3) and heat seal (4).
4. Remove the glow plugs (1).
(When reassembling)
• Replace the copper gasket and heat seal with new one.
9Y1211167ENS0031US0
Nozzle Heat Seal Service Removal Procedure
IMPORTANT
• Use a plus (phillips head) screwdriver (1) that has a Dia.
which is bigger than the heat seal hole (Approx. 6 mm)
1/4 in.
1. Drive screwdriver (1) lightly into the heat seal hole.
2. Turn screwdriver three or four times each way.
3. While turning the screwdriver, slowly pull the heat seal (4) out
together with the copper gasket (3).
4. If the heat seal drops, repeat the above procedure.
(When reassembling)
• Heat seal and copper gasket must be changed when the
injection nozzle is removed for cleaning or for service.
9Y1211167ENS0032US0
Rocker Arm and Push Rod
1. Remove the rocker arm bracket nuts.
2. Remove the rocker arm assembly (1).
3. Remove the push rods (2).
(When reassembling)
• When putting the push rods (2) onto the tappets (3), check to
see if their ends are properly engaged with the grooves.
IMPORTANT
• After installing the rocker arm, be sure to adjust the valve
clearance.
9Y1211167ENS0033US0
Tightening torque
Nozzle holder assembly
49 to 68 N·m
5.0 to 7.0 kgf·m
37 to 50 lbf·ft
Overflow pipe assembly
retaining nut
20 to 24 N·m
2.0 to 2.5 kgf·m
15 to 18 lbf·ft
Glow plug
20 to 24 N·m
2.0 to 2.5 kgf·m
15 to 18 lbf·ft
(1) Glow Plug
(2) Nozzle Holder Assembly
(3) Copper Gasket (4) Heat Seal
(5) Lead
(6) Overflow Pipe Assembly
(1) Plus Screwdriver
(2) Nozzle Holder (3) Copper Gasket
(4) Heat Seal
Tightening torque Rocker arm bracket nut
24 to 27 N·m
2.4 to 2.8 kgf·m
18 to 20 lbf·ft
(1) Rocker Arm Assembly
(2) Push Rod (3) Tappet
KiSC issued 02, 2015 A