Replacing Fuel Hose And Clamp Bands; Replacing Intake Air Line; Replacing Battery - Kubota KX080-3 Workshop Manual

WSM KX080-3 Service

Replacing Fuel Hose and Clamp Bands

1. Loosen the clamp (2) and remove the fuel hose (3).
2. Replace new fuel hose (3) and new clamp (2).
3. Tighten the clamp (2).
• Stop the engine when attempting the check and change
prescribed above.
(When bleeding fuel system)
1. Fill the tank with fuel and open the cock.
2. Loosen the air vent coupling bolt of fuel filter a few turns.
3. When there is no more air bubbles in the fuel coming out of this
coupling bolt, tighten the coupling bolt.
4. Open the air vent cock (1) on the top of fuel injection pump.
5. If equipped electrical fuel feed pump, turn the key on AC position
and pump the fuel up for 10 to 15 seconds.
If equipped mechanical fuel feed pump, set the stop lever on
stop position and crank the engine for 10 to 15 seconds.
6. Close securely the air vent cock (1) after air bleeding.
• Except when venting the air, be sure to keep closed the air
vent coupling bolt of the fuel injection pump. Otherwise,
the engine may stall.
(1) Air Vent Cock
(2) Clamp

Replacing Intake Air Line

1. Loosen the clamp (2).
2. Remove the intake air hose (1) and clamp (2).
3. Replace new intake air hose (1) and new clamp (2).
4. Tighten the clamp (2).
• To prevent serious damage to the engine, keep out any dust
inside the intake air line.
(1) Intake Air Hose

Replacing Battery

• When the battery is being activated, hydrogen and oxygen
gases in the battery are extremely explosive. Keep open
sparks and flames away from the battery at all times,
especially when charging the battery.
• When charging battery, remove battery vent plugs.
• When disconnecting the cable from the battery, start with
the negative terminal first. When connecting the cable to
the battery, start with the positive terminal first.
• Never check battery charge by placing a metal object
across the posts.
1. Disconnect the negative terminal and positive terminal.
2. Remove the battery holder.
3. Remove the used battery.
4. Replace the new battery.
5. Tighten the battery holder.
6. Connect the positive terminal.
7. Connect the negative terminal.
III-S-56
(3) Fuel Hose
W1020090
(2) Clamp
W1023867
W1023996
Engine