wsm wg972-e4 - Page 36

GENERAL
WG972-E4, WSM
G-10
(Continued)
Change engine oil and replace oil filter cartridge after the first 50 hours of operation.
*1 This is not necessary to keep the emission related warranty valid.
To ensure the best quality and reliability, use new KUBOTA Genuine parts or their equivalents for repair and
replacement, whenever you have maintenance done.
*2 Change more often when operating under dusty conditions.
*3 Replace the element after 6 times cleaning.
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CAUTION
• When changing or inspecting engine oil and fuel, be sure to stop and level the engine.
NOTE
Engine oil
• Engine oil should have properties of API classification SL or higher.
• Oil used in the engine should have API classification and Proper SAE Engine Oil Viscosity according to the
ambient temperatures where the engine is operated.
• When using oil of different brands from the previous one, be sure to drain all the previous oil before adding the
new engine oil.
Fuel
• Fuel is flammable and can be dangerous. You should handle fuel carefully.
 Gasoline [WG972-GL-E4, WG972-G-E4]
• Use unleaded gasoline and E10 only.
• DO NOT USE gasoline blended with methyl alcohol.
 Gaseous Fuel
• Be sure that the fill up valve and the liquid withdrawal valve are closed.
• Be sure that LPG hose or CNG hose is connected with the liquid withdrawal valve.
• Be sure that LPG tank or CNG tank is set firmly not to move by machine vibration.
• Never use LPG fuel on the WG972-G, N engine. Otherwise severe damage will occur.
• Never use CNG fuel on the WG972-G, L, GL engine. Otherwise severe damage will occur.
LPG [WG972-GL-E4, WG972-L-E4]
• Use commercial Propane Gas only.
• Equivalent to Propane HD-5 of GPA* standards.
• Fuel tank is liquid withdrawal type.
GPA means Gas Processors Association (U.S.A)
CNG [WG972-N-E4]
• Use commercial Compressed Natural Gas only.
• Consult KUBOTA for further info of fuel used.
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Above 25 °C (77 °F) SAE30 or SAE10W-30, SAE15W-40
0 °C to 25 °C
(32 °F to 77 °F)
SAE20 or SAE10W-30
0 °C to -20 °C
(32 °F to -4 °F)
SAE10W or SAE10W-30
C
3
H
8
C
3
H
6
C
4
H
10
Others
≥ 90 % ≤ 5 % ≤ 2.5 % – (vol %)
KiSC issued 07, 2015 A