608269CE 4-3 REV A
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fuel system is designed to leave room for the fuel to expand
with fuel temperature changes. Figure 4-3
Use regular unleaded gasoline with an octane rating of 87
or higher. Maximum of 10% ethanol (E10) in fuel. Fuels with
greater than 10% ethanol (such as E15, E20 and E85) voids
warranty. Fuels with greater than 10% ethanol are not
approved for use and such illegal use could cause equipment
failure and pose a fire hazard.
Refer to the Engine Owner’s Manual for additional fuel
specification requirements.
Engine Oil and Filter
Check the engine oil daily and after every 4 hours of
operation. The mower must be level when checking the oil.
Refer to the Engine Owner’s Manual and maintenance
schedule for oil recommendation and capacities. Hustler
®
Engine Oil is recommended.
Change the engine oil and filter after the first 5 hours of
operation and per the engine manufacturer’s
recommendations after that. Change the engine oil more
frequently if operating in extremely dirty conditions.
IMPORTANT: After the new oil filter has been installed,
clean up any oil which may have spilled onto the engine
plate, engine exhaust system, and muffler guard.
Draining the Engine Oil:
1. Locate the oil drain valve on the lower right side of the
engine. Figure 4-4
2. Locate the oil drain hose that was supplied with the
machine. Be sure to clean and clear it of debris that
might block the flow of the engine oil. Figure 4-4
3. Attach one end of the hose onto the oil drain valve nip-
ple. Make sure the hose is pushed all the way onto the
valve. Figure 4-4
4. Position the loose end of the hose forward and down
in front of the right side transmission so that it can
drain into a suitable oil drain container.
5. With the hose in position, use a 10 mm wrench or
socket and open the valve approximately 4 turns in the
counterclockwise direction. Allow 10 minutes for
engine oil to adequately drain.
6. After oil is drained, close the valve by turning it in the
clockwise direction until it is fully closed.
7. Once the valve is closed, carefully remove the oil drain
hose and clean up any spilled oil.
IMPORTANT: All oil drips or spills must be cleaned off
of the engine plate, muffler, and exhaust system
before operating the machine.
IMPORTANT: Clean the oil drain hose and store it
appropriately.
Engine Air Filter
Perform engine air filter maintenance per the Maintenance
Schedule shown elsewhere in this manual.
Overfilling the fuel tank may cause the following:
• Engine damage
• Fire hazard!
A. Filler neck B. Fuel tank
Figure 4-3
Allow the engine to cool before changing the
engine oil. If the engine has been running, use
caution when changing the engine oil as it will be
very hot. You should wear the appropriate
protective gear to avoid being burned or exposed
to engine oil.
WARNING
A
Fill to the bottom of the filler neck
Maximum
Do Not
Overfill
B
WARNING
A. Oil drain valve B. Oil drain hose
Figure 4-4
A
B
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