Replacing Fuel Filter Element; Cleaning Water Jacket And Radiator Interior - Kubota WSM 05-E4B Series Workshop Manual

3. MAINTENANCE
5. Start engine and check for fuel leakage.
(1) Fuel filter cartridge

6.3 Replacing fuel filter element

Element type
1. Close the fuel valve (3).
2. Remove the retaining ring (6) and remove the filter
cup (5), and rinse the inside with kerosene.
3. Replace the filter element (4).
(1) Fuel valve body
(2) Air vent plug
(3) Fuel valve
(4) Filter element
4. Reassemble the fuel filter, keeping out dust and dirt.
5. Bleed the fuel system.
7. Check points of every 500
hours
7.1 Cleaning water jacket and
radiator interior
CAUTION
• Do not remove the radiator cap when the engine
is hot. Then loosen cap slightly to the stop to
3-12
(5) Filter cup
(6) Retaining ring
CHECK AND MAINTENANCE
6. Check points of every 400 hours
relieve any excess pressure before removing
cap completely.
IMPORTANT
• Do not start engine without coolant.
• Use clean, fresh, soft water and anti-freeze to fill
the radiator and recovery tank.
• When the anti-freeze is mixed with fresh, soft
water, the antifreeze mixing ratio must be less
than 50 %.
• Securely tighten radiator cap. If the cap is loose
or improperly fitted, water may leak out and the
engine could overheat.
1. Stop the engine and let cool down.
2. To drain the coolant, open the radiator drain valve
(2) and remove the radiator cap (1). Then radiator
cap (1) must be removed to completely drain the
coolant. And open the drain valve of engine body.
3. After all coolant is drained, close the drain valve (2).
4. Fill with clean water and cooling system cleaner.
5. Follow directions of the cleaner instruction.
6. After flushing, fill with clean water and anti-freeze
until the coolant level is just below the port. Install
the radiator cap (1) securely.
(1) Radiator cap (2) Drain valve
05-E4B SERIES,05-E4BG SERIES
KiSC issued 03, 2023 A