Kubota KX033-4 Operator's Manual page 114

92 RECOMMENDED OILS
C Maintenance Requirements when using BDF B0 through B5:
Follow the oil change intervals recommended by referring to the "MAINTENANCE" section. Extended oil change
intervals may result in premature wear or engine damage.
C Maintenance Requirements when using BDF B6 through B20:
The maintenance interval for fuel related parts changes.
See the table below for the new maintenance interval.
Items
Fuel filter Replace
Check
Fuel hose
Replace
C Long Term Storage:
1. BDF easily deteriorates due to oxygen, water, heat and foreign substances.
Do not store B6 through B20 longer than 1 month and B5 longer than 3 months.
2. When using B6 through B20 and storing the machine longer than 1 month, drain the fuel from the tanks and replace
with light mineral oil diesel fuel.
Subsequently, run the engine at least 30 minutes to remove all of the Biodiesel from the fuel lines.
3. When using B5 fuel and storing machine longer than 3 months, drain the fuel from the tanks and replace with light
mineral oil diesel fuel.
Subsequently, run the engine at least 30 minutes to remove all of the Biodiesel from the fuel lines.
Interval
every 250 hrs
Replace if any deterioration (crack, hardening, scar or
every 100 hrs
deformation) or damage occurred.
every 1 year Consult your local KUBOTA Dealer for this service.
Remarks