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19
SECTION 7: MAINTAINING YOUR LAWN TRACTOR
NOTE:
Refer to Maintenance Chart on page 29 for a
reference of recommended maintenance intervals.
WARNING:
Before performing any
maintenance or repairs, disengage PTO, set
parking brake, stop engine and remove key to
prevent unintended starting.
Engine
Maintenance, repair, or replacement of the emission
control devices and systems, which are being done at
the customer’s expense, may be performed by any
engine repair establishment or individual. Warranty
repairs must be performed by your Cub Cadet
Dealer.
Engine Oil
The engine-crankcase is filled with 10W-30 ship-away
oil at the factory. This oil may be used for the first 8
hours of engine operation at temperatures between
0°F and 90°F.
The engine oil must be drained and replaced with new
oil after 8 hours of engine operation and every 100
hours thereafter. Refer to the Oil Viscosity Chart below
to determine the proper oil type.
NOTE:
To aid starting, the selection of crankcase oil
should be based on the lowest anticipated
temperatures prior to the next scheduled oil change.
Checking the Oil Level
It is important to check the oil level at least every four
hours of operation. Regular checking during the first 8
hours of operation is especially important. Check the oil
level before each use as follows:
• Allow the engine a few minutes to rest after opera-
tion. This will give the oil time to drain into the crank-
case sump and result in a more accurate dipstick
reading.
• Clean the area around the oil fill cap/dipstick to pre-
vent debris from entering the crankcase. Refer to
Figure 18.
• Remove the oil fill cap/dipstick by unthreading it
(counterclockwise) and lifting it out of the oil fill tube.
• Wipe the dipstick clean before pushing it back into
the oil fill tube. Do NOT thread the cap back onto
the fill tube. Withdraw the dipstick to check the oil
level. Refer to Figure 16.
• Always keep the oil level at or near the FULL mark
on the dipstick. If the oil is low, add oil of the proper
type up to the FULL mark. Always re-check the oil
level with the dipstick before adding more oil.
IMPORTANT:
Never operate the engine with the oil level
below the ADD mark or above the FULL mark on the
dipstick.
• After checking the oil level (and adding oil, if neces-
sary), reinstall the oil fill cap/dipstick by inserting it
into the oil fill tube and threading (clockwise).
Figure 16
Adding Oil
If, after checking the oil level, you find the dipstick reads
ADD, proceed as follows:
• Place the tractor on a level surface and engage the
parking brake. Stop the tractor engine and remove
the ignition key.
• Clean the area around the oil fill cap and fill tube to
prevent debris from entering the crankcase.
• Remove the oil fill cap/dipstick from the oil fill tube
and SLOWLY pour oil into the oil fill tube. Do NOT
pour more than 6 oz. of oil at a time without first
stopping and re-checking the oil level.
-20°C -10°C 0°C 10°C 20°C 30°C 40°C
-4°F 14°F 32°F 50°F 68°F 86°F 104°F
SAE5W-20
SAE10W-30/SAE10W-40
SAE40
SAE30
*
Using multi grade oils (5W-20, 10W-30, and 10W-40
will increase oil consumption. Check the oil more
when using them.
OIL VISCOSTY CHART
FULL
ADD
Operating
Range