Kubota D1803-CR-E4, Workshop Manual

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1. Remove the fuel filter cartridge (1) with filter
wrench.
(1) Fuel filter cartridge
2. Apply a thin layer of fuel to the surface of the new
filter cartridge gasket before you put it on.
3. Tighten the new cartridge by hand.
4. Open the fuel valve and bleed the fuel system.
5. Operate the engine for a while and check if there is
not the fuel leakage from the filter.
6.2 Cleaning water separator (Type
1)
1. Turn the water separator handle (1) to the close
position (A).
2. Drain fuel and water from bottom valve (3).
3. Remove and flush the cup (5) if the float (6) goes
up with water, or the cup (3) has the dust.
(1) Water separator handle
(2) Specified line
(3) Bottom valve
(4) Top screw (5) Cup
(6) Float
(A) Close
6.3 Replacing water separator filter
(Type 2)
IMPORTANT
• Replace the water separator filter periodically to
prevent wear of the supply pump or the injector,
due to dirt in the fuel.
NOTE
• Replace the water separator filter with a new
one every 500 hours or 1 year.
Tools required
• Filter wrench
1. Remove the old water separator filter (1) with a filter
wrench.
(1) Water separator filter
2. Apply a thin layer of oil on the new water separator
filter.
3. Tighten the new water separator filter by hand.
4. Operate the engine for a while and check if there is
not the fuel leakage from the filter.
6.4 Cleaning water jacket and
radiator interior
CAUTION
• Do not remove the radiator cap when the engine
is hot.
Then loosen the cap slightly to release
unwanted pressure before you remove the cap
fully.
IMPORTANT
• Do not start the engine without coolant.
• Use clean and soft water with anti-freeze to fill
the radiator and reserve tank.
• Make sure that when you mix the anti-freeze
and water, the ratio of anti-freeze is less than
50%.
CHECK AND MAINTENANCE
6.Check points of every 500 hours 3. MAINTENANCE
D1803-CR-E4,D1803-CR-TE4,D1803-CR-TIE4,V2403-CR-E4,V2403-CR-TE4,V2403-CR-TE4BG,V2403-CR-TIE4
3-13
KiSC issued 12, 2018 A