Removing Injection Pipes; Removing Nozzle Holder Assembly And Glow Plug; Removing Nozzle Heat Seal - Kubota WSM 05-E4B Series Workshop Manual

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4. ENGINE

5.5 Removing injection pipes

1. Loosen the screws to the pipe clamp (1).
2. Remove the injection pipes (2).
(1) Pipe clamp
(When reassembling)
• Send compressed air into the pipes to blow out
dust. Then, reassemble the pipes in the reverse
order.
• Tighten to the specified tightening torque.
Tightening tor-
Injection pipe re-
que
taining nut
5.6 Removing 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).
(5) Copper gasket
4. Remove the lead (2) from the glow plugs (3).
5. Remove the glow plugs (3).
4-32
(2) Injection pipe
25 to 34 N⋅m
2.5 to 3.5 kgf⋅m
18 to 25 lbf⋅ft
(6) Heat seal
5. Disassembling and assembling
(1) Overflow pipe
(2) Lead
(3) Glow plug
(When reassembling)
• Replace the copper gasket and heat seal with new
ones.
• Tighten to the specified tightening torque.
Overflow pipe re-
taining nut
(Serial No.: below
BTZ999)
Overflow pipe re-
taining nut
(Serial No.: above
Tightening tor-
BU0001)
que
Nozzle holder as-
sembly
Glow plug

5.7 Removing nozzle heat seal

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.
 SERVICING
(4) Nozzle holder assembly
20 to 24 N⋅m
2.0 to 2.5 kgf⋅m
15 to 18 lbf⋅ft
35 to 39 N⋅m
3.5 to 4.0 kgf⋅m
26 to 28 lbf⋅ft
49 to 68 N⋅m
5.0 to 7.0 kgf⋅m
37 to 50 lbf⋅ft
7.9 to 14 N⋅m
0.80 to 1.5 kgf⋅m
5.8 to 10 lbf⋅ft
05-E4B SERIES,05-E4BG SERIES
KiSC issued 03, 2023 A

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