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Maintenance Instructions LUBRICATION
43
Changing Engine Crankcase Oil/Oil Filter
Change the engine crankcase oil after every 50
hours of operation and the oil filter after every 100
hours of operation as follows:
1. Park the mower on a level surface with the
engine stopped. The engine oil should be
warm before draining. If not warm from opera-
tion, start the engine and run a few minutes to
warm the oil.
2. Before removing the dipstick, clean the area
around it to keep any dirt or debris out of the
engine.
3. Remove the dipstick and oil drain plug, and drain
oil into a suitable container. Be sure to allow
ample time for complete drainage.
4. Before removing the oil filter, clean the area
around the filter to keep dirt and debris out of the
engine.
5. Remove the old oil filter and wipe off the filter
mounting surface on the engine.
Oil Drain, Dipstick (Oil Fill),
and Oil Filter Locations
(view from lower left side of tractor)
6. Apply a thin coating of new oil to the rubber gas-
ket on the replacement oil filter.
IMPORTANT: Use ONLY oil filters from the
engine manufacturer. Aftermarket oil filters may
not seal properly and/or may not have the cor-
rect pressure relief valve for proper lubrication.
7. Install the new oil filter on the engine. Turn the
oil filter clockwise until the rubber gasket con-
tacts the sealing surface, then tighten the filter
an additional 3/4 turn.
8. Reinstall the drain plug. Make sure it is tight-
ened to 16.5 ft-lb (23 N
·m).
9. Fill the crankcase (through the dipstick opening)
with oil using only crankcase lubricants supplied
by the engine manufacturer. Refer to Specifica-
tions in this manual or the engine owner’s
manual. Use the recommended oil viscosity for
the expected ambient temperature. Oil with the
correct viscosity will aid starting in cold weather
and assure proper lubrication in hot weather.
Fill to FULL (H) mark on the dipstick; crankcase
capacity is 2.7 pints (1.3 liters).
IMPORTANT: Check the dipstick reading be-
fore pouring in the last 1/2 pint of oil and fill only
to the FULL (H) mark. The oil level should
never be over the FULL (H) mark on the dipstick;
overfilling can result in engine overheating and
loss of power.
10. Start the engine and check for oil leaks around
the oil filter. Stop the engine, recheck the oil lev-
el, and add oil if necessary. (When the engine
is first operated with a new oil filter, the oil level
will drop slightly as the filter is filled with oil.)
Grease Fitting and Oil Point Lubrication
Lubricate the grease fittings and oil points after
every 25 hours of operation. Lubricate more often
when operating in dusty or dirty conditions. Use
SAE general purpose lithium or molybdenum base
grease for grease fittings and light machine oil (SAE
10) to lubricate oil points. Lubricate the locations
shown in the Chassis and Deck Lubrication
Points illustration.
NOTE: PTO universal joints (on the deck and trac-
tor) require routine lubrication after every 8 hours of
running time.
NOTE: The pillowblock bearings on the PTO drive
shaft are a sealed, relubricatable-type bearing.
Grease lightly once per year using care to not
over-lubricate and damage the seals.
Oil Filter
Dipstick
(Oil Fill)
Oil Drain