Kubota V3600-E3 Shop Manual page 34

V3-E3B SERIES, V3-E3CB SERIES, V3-E3BG SERIES, WSM
[V3800DI-T-E3B, V3800DI-T-E3CB, V3800DI-T-E3BG]
1. Set the injection nozzle to the nozzle tester.
2. Slowly move the tester handle to measure the pressure at which
fuel begins jetting out from the nozzle.
3. If the measurement is not within the factory specifications,
replace the injection nozzle assembly or repair at Denso service
shop.
NOTE
• Injection nozzle gasket must be replaced when the injection
nozzle is removed for checking.
Factory
Injection pressure
spec.
Valve Seat Tightness
[V3600-E3B, V3600-T-E3B, V3600-E3CB, V3600-T-E3CB,
V3300-E3BG, V3600-T-E3BG]
1. Set the injection nozzle to a nozzle tester.
2. Raise the fuel pressure, and keep at 12.75 MPa (130.0 kgf/cm
1849 psi) for 10 seconds.
3. If any fuel leak is found, replace the nozzle piece.
Valve seat tightness Factory spec.
[V3800DI-T-E3B, V3800DI-T-E3CB, V3800DI-T-E3BG]
1. Set the injection nozzle to a nozzle tester.
2. Raise the fuel pressure, and keep at 16.67 MPa (170.0 kgf/cm
2418 psi) for 10 seconds.
3. If any fuel leak is found, replace the injection nozzle assembly or
repair at Denso service shop.
Valve seat tightness Factory spec.
Nozzle Holder
[V3600-E3B, V3600-T-E3B, V3600-E3CB, V3600-T-E3CB,
V3300-E3BG, V3600-T-E3BG]
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.
Nozzle holder
Tightening torque Overflow pipe retaining nut
Nozzle holder assembly
(1) Nozzle Holder
(2) Adjusting Washer
(3) Nozzle Spring
(4) Push Rod
G-22
G GENERAL
18.64 to 19.61 MPa
1st stage 190.0 to 200.0 kgf/cm
2703 to 2844 psi
W10412730
No fuel leak at
12.75 MPa
2
130.0 kgf/cm
1849 psi
W10287890
No fuel leak at
16.67 MPa
2
170.0 kgf/cm
2418 psi
W10291060
35 to 39 N·m
3.5 to 4.0 kgf·m
26 to 28 lbf·ft
20 to 24 N·m
2.0 to 2.5 kgf·m
15 to 18 lbf·ft
49 to 68 N·m
5.0 to 7.0 kgf·m
37 to 50 lbf·ft
(5) Distance Piece
(6) Nozzle Piece
(7) Nozzle Retaining Nut
W1018491
2
2
,
2
,