Kubota MX5100 Workshop Manual page 131

MX5100, WSM
Nozzle Holder Assembly and Glow Plug
1. Remove the overflow pipe assembly (3).
2. Remove the nozzle holder assemblies (4) using a 21 mm deep
socket wrench.
3. Remove the copper gasket and heat seal (5).
4. Remove the glow plugs (2).
(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) Lead
(2) Glow Plug
(3) Overflow Pipe Assembly
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
mm (1/4 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
1-S39
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) Nozzle Holder Assembly
(5) Heat Seal
W1020917
(3) Injection Nozzle Gasket
(4) Heat Seal
W1021255