Air Bleeding - Kubota Z400-B Handbuch

[2] AIR BLEEDING
Bleed the air from
th~
fuel system before attempting to start
the engi ne whenever:
• The fuel filter has been removed or the fuel system lines
have been disconnected.
• The fuel tank has been empty.
• The engine has not been run for a long period of time.
A
CAUTION
• Never bleed the air while the engine is hot.
• I\lever contact with escaping diesel fuel under pressure,
which can have sufficient force to penetrate the skin,
causing serious personal injury.
• Be sure to relieve all pressure before disconnecting.
• Make sure that no fuel can escape from the system before
applying pressure.
• Keep the engine stop lever at the "STOP" position to shut
off the fuel, while bleeding the air.
Bleeding Fuel System
1. Replenish the fuel tank and open the fuel cock.
2. Loosen the bleeding screws
(1).
(2) at the top of the filter
by two turns.
3. Keeping the engine stop lever at the "STOP" position, run
the engine with the starter until the fuel without air flows
from the loose screws.
4. Tighten the bleeding screw (1).
5. With the engine stop lever at the "STOP" position, run
the engine with the starter again until the fuel without air
flows from the loose screw.
6. Tighten the bleeding screw (21.
UlU7F053
( Reference)
• If the engine will not start after the above bleeding, bleed
the air further in the system, as follows.
• Loosen the plug (3).
• Run the engine with the starter, keeping the engine stop
lever at the "STOP" position, until the fuel without air
flows from the loose plug.
• Tighten the plug (3).
• IMPORTANT:
• Do not run the engine with the starter continuously for
more than 10 seconds.
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