ENGINE
EA330-E4, WSM
1-S27
Nozzle Heat Seal Service Removal Procedure
• Use a plus (phillips head) screw driver that has a Dia. which
is bigger than the heat seal hole (Approx. 6 mm (1/4 in.).
1. Drive screw driver 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 out
together with the injection nozzle gasket.
If the heat seal drops, repeat the above procedure. Heat seal
and injection nozzle gasket must be changed when the injection
nozzle is removed for cleaning or for service.
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Nozzle Holder
1. Secure the nozzle retaining nut (7) with a vise.
2. Remove the nozzle holder (1), and take out parts inside.
(When reassembling)
• Assemble the nozzle in clean fuel oil.
• Install the push rod (4), noting its direction.
• After assembling the nozzle, be sure to adjust the fuel injection
pressure.
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Cylinder Head Cover
1. Remove the cylinder head cover (1).
(When reassembling)
• After reassembling the head cover, adjust decompression
device.
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(1) Plus Screw Driver
(2) Injection Nozzle
(3) Injection Nozzle Gasket
(4) Heat Seal
Tightening torque
Nozzle holder
35 to 39 N·m
3.5 to 4.0 kgf·m
26 to 28 lbf·ft
Nozzle holder assembly
49 to 68 N·m
5.0 to 7.0 kgf·m
37 to 50 lbf·ft
(1) Nozzle Holder
(2) Adjusting Washer
(3) Nozzle Spring
(4) Push Rod
(5) Distance Piece
(6) Nozzle Piece
(7) Nozzle Retaining Nut
Tightening torque Head cover mounting nut
9.8 to 10 N·m
1.0 to 1.1 kgf·m
7.3 to 7.9 lbf·ft
(1) Cylinder Head Cover
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