Kubota SM-E4B Series User Manual

ENGINE
SM-E4B SERIES, WSM
1-S31
Injection Pipes
1. Loosen the screws to the pipe clamp (2).
2. Detach the injection pipes (1).
(When reassembling)
• Sent compressed air into the pipes to blow out dust. Then,
reassemble the pipes in the reverse order.
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Nozzle Holder Assembly and Glow Plug
1. Remove the overflow pipe (1).
2. Remove the nozzle holder assemblies (4).
3. Remove the copper gasket (5) and heat seal (6).
4. Remove the lead (2) from the glow plugs (3).
5. Remove the glow plugs (3).
(When reassembling)
• Replace the copper gasket and heat seal with new one.
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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.
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Tightening torque Injection pipe retaining nut
25 to 34 N·m
2.5 to 3.5 kgf·m
18 to 25 lbf·ft
(1) Injection Pipe (2) Pipe Clamp
Tightening torque
Overflow pipe retaining nut
20 to 24 N·m
2.0 to 2.5 kgf·m
15 to 18 lbf·ft
Nozzle holder assembly
49 to 68 N·m
5.0 to 7.0 kgf·m
37 to 50 lbf·ft
Glow plug
7.9 to 14 N·m
0.80 to 1.5 kgf·m
5.8 to 10 lbf·ft
(1) Overflow Pipe
(2) Lead
(3) Glow Plug
(4) Nozzle Holder Assembly
(5) Copper Gasket
(6) Heat Seal
(1) Plus Screw Driver
(2) Injection Nozzle
(3) Injection Nozzle Gasket
(4) Heat Seal
KiSC issued 01, 2013 A

Kubota SM-E4B Series Specifications

General

Brand	Kubota
Model	SM-E4B Series
Category	Engine
Language	English