wsm Kubota L4100 Workshop Manual page 99

L4100, WSM
Nozzle Holder Assembly and Glow Plug
1. Remove the overflow pipe assembly (5).
2. Remove the nozzle holder assemblies (2) using a 21 mm deep
socket wrench.
3. Remove the copper gasket and heat seal (3).
4. Remove the glow plugs (1).
(When reassembling)
• Replace the copper gasket and heat seal with new one.
Nozzle holder assembly
Overflow pipe assembly
Tightening torque
retaining nut
Glow plug
(1) Glow Plug
(2) Nozzle Holder Assembly
(3) Heat Seal
Nozzle Heat Seal Service Removal Procedure
IMPORTANT
• Use a plus (phillips head) screw driver (1) that has a
diameter which is bigger than the heat seal hole (Approx.
6.0 mm (0.24 in.)).
1. Drive screw driver (1) lightly into the heat seal hole.
2. Turn screw driver three or four times each way.
3. While turning the screw driver, slowly pull the heat seal (4) out
together with the injection nozzle gasket (3).
4. If the heat seal drops, repeat the above procedure
(When reassembling)
• Heat seal and injection nozzle gasket must be changed when
the injection nozzle is removed for cleaning or for service.
(1) Plus Screw Driver
(2) Injection Nozzle
Rocker Arm and Push Rod
1. Remove the rocker arm bracket screws.
2. Detach 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.
Tightening torque Rocker arm bracket screw
(1) Rocker Arm Assembly
(2) Push Rod
1-S27
ENGINE
49 to 68 N·m
5.0 to 7.0 kgf·m
37 to 50 lbf·ft
20 to 24 N·m
2.0 to 2.5 kgf·m
15 to 18 lbf·ft
20 to 24 N·m
2.0 to 2.5 kgf·m
15 to 18 lbf·ft
(4) Lead
(5) Overflow Pipe Assembly
9Y1210278ENS0034US0
(3) Injection Nozzle Gasket
(4) Heat Seal
9Y1210278ENS0096US0
24 to 27 N·m
2.4 to 2.8 kgf·m
18 to 20 lbf·ft
(3) Tappet
9Y1210278ENS0035US0
KiSC issued 08, 2012 A
(EU)