Kubota L3301, Operator'S Manual

Page: 121 / 139

4. Tighten the cover.
(1) Oil separator
(2) Body
(3) Oil separator element (4) Gasket
(5) Cover
3. Checking the PCV (Positive
Crankcase Ventilation) valve
• Consult your local KUBOTA Dealer for checking the
PCV (Positive Crankcase Ventilation) valve.
4. Checking and cleaning the EGR
cooler
• Consult your local KUBOTA Dealer for checking
and cleaning the EGR cooler.
SERVICE EVERY 2000 HOURS
OR 2 YEARS
Servicing to be sure to perform once every 2000 hours
or biennially, whichever comes first.
1. Flushing the cooling system and
changing the coolant
WARNING
To avoid personal injury or death:
• Do not remove the radiator cap while the
coolant is hot. When the coolant is cool, slowly
rotate the radiator cap to the first stop and allow
sufficient time for excess pressure to escape
before removing the radiator cap completely.
IMPORTANT :
• Do not start the engine without coolant.
Be sure to perform once every 2000 hours or biennially,
whichever comes first.
1. Stop the engine, remove the starter key, and let the
engine cool down.
2. To drain the coolant, open the radiator-drain-plug
and remove the radiator cap.
Remove the radiator cap to completely drain the
coolant.
3. After all coolant is drained, reinstall the drain plug.
4. Fill with clean soft water and cooling-system-
cleaner.
5. Follow directions of the cleaner instruction.
6. After flushing, fill with clean soft water and
antifreeze until the coolant level is just below the
radiator cap.
(For antifreeze, see Antifreeze on page 118)
IMPORTANT :
• Use clean, fresh soft water and antifreeze to
fill the radiator and recovery tank.
• When mixing the antifreeze with water, the
antifreeze mixing ratio is 50%.
7. Install the radiator cap securely.
IMPORTANT :
• Securely tighten the radiator cap. If the
radiator cap is loose or improperly fitted,
water may leak out and the engine could
overheat.
8. Fill with coolant up to the “FULL” mark of recovery
tank.
9. Start and operate the engine for a few minutes.
10. Stop the engine, remove the starter key, and let the
engine cool.
11. Check the coolant level of the recovery tank and
add coolant if it is necessary.
SERVICE EVERY 1500 HOURS PERIODIC SERVICE
L3301,L3901
117