Kubota WSM 07-E3B Series Workshop Manual page 35

07-E3B SERIES, WSM
Replacing Fuel Filter Cartridge (Cartridge Type)
Water and dust in fuel are collected in the filter cartridge. So,
change the filter cartridge every 500 hours service.
1. Remove the used filter cartridge with filter wrench.
2. Apply a thin film of fuel to the surface of new filter cartridge gasket
before screwing on.
3. Then tighten enough by hand.
4. Loosen the air vent plug to let the air out.
5. Start engine and check for fuel leakage.
(1) Fuel Filter Cartridge
Replacing Fan Belt
1. Remove the alternator (1).
2. Remove the fan belt (2).
3. Replace new fan belt.
4. Install the alternator.
5. Check the fan belt tension.
Deflection (A) Factory spec.
(1) Alternator
(2) Fan Belt
Cleaning Water Jacket and Radiator Interior
CAUTION
• Do not remove the radiator cap (1) when the engine is hot.
Then loosen cap slightly to the stop to relieve any excess
pressure before removing cap completely.
1. Stop the engine and let cool down.
2. To drain the coolant, open the radiator drain plug (2) and remove
the radiator cap (1). Then radiator cap (1) must be removed to
completely drain the coolant. And open the drain cock of engine
body.
3. After all coolant is drained, close the drain plug (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.
7. Fill with coolant up to "FULL" (A) mark on the recovery tank (3).
8. Start and operate the engine for few minutes.
9. Stop the engine and let cool. Check coolant level of radiator and
recovery tank (3) and add coolant if necessary.
IMPORTANT

• Do not start engine without coolant.
• Use clean, fresh, soft water and anti-freeze to fill the radiator
and recovery tank (3).
• When the anti-freeze is mixed with fresh, soft water, the anti-
freeze mixing ratio must be less than 50 %.
• Securely tighten radiator cap (1). If the cap is loose or
improperly fitted, water may leak out and the engine could
overheat.
(1) Radiator Cap
(2) Drain Plug
(3) Recovery Tank
G-17
G GENERAL
W1037062
10.0 to 12.0 mm / 98 N
0.394 to 0.472 in. / 98 N
(10 kgf, 22 lbf)
(A) Deflection
W1052220
A : Full
B : Low
W1038102
KiSC issued 06, 2020 A