Kubota B1830, Workshop Manual

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ENGINE B1830,B2230,B2530,B3030, WSM
1-S20
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.
9Y1210003ENS0022US0
[2] PREPARATION
(1) Draining Lubricants and Coolant
Draining Engine Oil
CAUTION
• Before changing oil, be sure to stop the engine.
1. Start and warm up the engine for approx. 5 minutes.
2. Place an oil pan underneath the engine.
3. To drain the used oil, remove the drain plug (1) at the bottom of
the engine and drain the oil completely.
4. Screw in the drain plug (1).
5. Fill new oil up to upper line on the dipstick (2).
IMPORTANT
• When using an oil of different manufacture or viscosity
from the previous one, remove all of the old oil.
• Never mix two different types of oil.
• Use the proper SAE Engine Oil according to ambient
temperatures.
• Refer to "4. LUBRICANTS, FUEL AND COOLANT" on page
G-8.
9Y1210003ENS0023US0
Tightening torque
Nozzle holder
34.3 to 39.2 N·m
3.5 to 4.0 kgf·m
25.3 to 28.9 lbf·ft
Overflow pipe nut
19.6 to 24.5 N·m
2.0 to 2.5 kgf·m
14.5 to 18.1 lbf·ft
Nozzle holder assembly
49.0 to 68.6 N·m
5.0 to 7.0 kgf·m
36.2 to 50.6 lbf·ft
(1) Nozzle Holder
(2) Adjusting Washer
(3) Nozzle Spring
(4) Push Rod (5) Distance Piece
(6) Nozzle Piece
(7) Nozzle Retaining Nut
Engine oil capacity
B1830, B2230, B2530
3.0 L
3.2 U.S.qts
2.6 lmp.qts
B3030
4.1 L
4.3 U.S.qts
3.6 lmp.qts
(1) Drain Plug
(2) Dipstick
(3) Oil Inlet Plug (A) Oil level is acceptable within this
range.
KiSC issued 05, 2012 A