Maintenance Instructions C23i
Lubrication
54
IMPORTANT: Check the dipstick reading
be fore adding the last 1/2 pint of oil and ll
only to the “F” mark. DO NOT overll the
crankcase (oil above “F” mark) as this CAN
result in en gine overheating, loss of power,
and possible engine damage.
10. Start the engine and check for oil leaks around
the oil lter. Stop the engine, recheck the oil
level, and add oil if necessary. (When the
engine is rst operated with a new oil lter, the
oil level will drop slightly as the lter is lled
with oil.)
Mower Deck Gearbox Lubrication
NOTE: These instructions apply to all mower
decks with gear-driven blades. Refer to DS52
Mower Deck Lubrication on page 55 for the
DS52 deck with belt-driven blades. Refer to Mower
Deck Spindle Lubrication on page 55 for mower
decks with belt-driven blades.
On gear-driven decks, the mower deck gearboxes
(tee gearbox and blade drive gearboxes) are con-
nected as a unitized as sembly, and oil ows freely
between them. The gear boxes are permanently
lubricated (oil lled) and sealed requiring no sched-
uled lubrication. Howev er, the gearbox oil seals
should be checked every 25 hours for indication
of an oil leak; particularly the lower seals on the
blade drive gearboxes should be inspected, since
they operate in a dirty en vironment. If an oil leak is
noted, replace the oil seal and relubricate the
gearbox assembly as follows:
1. Remove gearbox cover (footrest). Deck orien-
tation should be the normal operating position.
Tee Gearbox
Blade Drive
Gearboxes
Mower Deck Gearboxes (Shown with Gearbox
Cover Removed for Clarity)
2. Clean the area around the individual gearbox
cover plates to prevent contaminants from
en tering the gearcase.
3. Remove the screws securing the cover plates
on the blade drive gearboxes.
4. Check the level of lubricant in the gearboxes.
If the lubricant is low, add SAE E.P. (Extreme
Pressure) 80W-90 (API GL-5) gear lube until
the oil level is up to (submerges) the horizontal
shaft in the gearbox (shaft parallel to cover
plate).
NOTE: In case the gearboxes are completely
drained of oil, approximately 5 . oz. (15 cl) of
oil per gearbox is required to rell the gear
drive assembly.
NOTE: Since the gearboxes are connected
as a unit by connector tubes, it is necessary to
add oil slowly. Allow a few minutes after add-
ing oil for the oil to ow throughout the assem-
bly and the oil level to stabilize before reas-
sembly.
IMPORTANT: DO NOT overll the deck gear-
boxes. The gearbox assembly is not vented,
and overlling with oil will cause excessive
pres sure and result in oil leaks.
5. Check condition of the cover gasket and re-
place if worn or damaged. Reinstall gearbox
cover plates; torque screws to 24 lb·in (3
N·m).
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