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Figure 43
• Apply a light coating of clean transmission oil to
the gasket of the new hydraulic system oil filter.
NOTE: When performing the 25 hour break-in filter
change, install the new filter as quickly as possible
to minimize any loss of oil from the transmission.
• From beneath the tractor frame, remove the old
hydraulic system filter by turning it counter-
clockwise.
• When performing the 200 hour filter change,
clean the oil filter adapter.
• Install the new filter. Turn the filter clockwise,
by hand, until the gasket contacts the surface
of the filter adapter; then tighten the filter an
additional 1/2 to 3/4 turn.
• Clean area around the transmission oil fill plug
to prevent debris from entering the transmis-
sion (Refer to Figure 41) and remove the plug.
• Following the instructions previously provided
in CHECKING TRANSMISSION/HYDRAULIC
SYSTEM OIL LEVEL, refill the transmission
with the clean salvaged oil or with new hydrau-
lic oil.
• Reinsert the oil fill plug into the transmission
housing and turn clockwise until tight.
• Start the engine and allow it to run for a few
minutes. Shut the engine off, then check for
leaks and recheck the oil level in the transmis-
sion housing.
CHANGING THE HYDRO TRANSMISSION AND
HYDRAULIC SYSTEM OIL
Change the hydrostatic transmission/hydraulic
system oil after every 200 hours of operation. The
dry capacity of the transmission/hydraulic system is
approximately 20 quarts.
Change the transmission/hydraulic system oil as
follows:
• Operate the tractor for a short period to warm
the oil to the normal operating temperature.
Place the tractor on a level surface and engage
the parking brake.
• Stop the tractor engine and lower the mower
deck or any other hydraulically lifted implement
to the ground. NOTE: To improve access to the
drain plug and hydraulic system filter, the
mower deck should be removed from the
tractor.
• Clean the area around the transmission drain
plug and the oil fill plug to prevent debris from
entering the transmission. Refer to Figure 41
and Figure 43.
• Place a suitable container(s) beneath the front
of the transmission housing.
• Remove the oil fill plug to help vent the trans-
mission, then remove the drain plug and allow
the transmission oil to drain into the con-
tainer(s). Reinstall the drain plug after draining
the oil. Refer to Figure 41 and Figure 43.
Dispose of used oil in an environmentally
safe manner. If necessary, contact your
area EPA office for proper disposal proce-
dures and recycling center locations.
• Change the hydro transmission filter as
instructed in Changing Hydro Transmission
Oil Filter.
• Change the hydraulic system filter as instructed
in Changing Hydraulic System Oil Filter.
• Insert a funnel (preferably one with a flexible
spout) into the fill hole in the rear of the trans-
mission housing.
• Pour Cub Cadet Drive System Plus oil into the
transmission housing until the oil level can be
seen through the sight glass. Do not overfill the
transmission.
IMPORTANT: Always use Cub Cadet Drive
System Plus oil to ensure correct formulation.
Substitute oils could affect performance and
may cause damage to the transmission.
• Reinsert the oil fill plug into the transmission
housing and turn clockwise until tight.
• Start the engine and allow it to run for a few
minutes. Shut the engine off, then check for
leaks and recheck the oil level in the
transmission housing.
TRANSMISSION
DRAIN PLUG
HYDRAULIC SYSTEM
OIL FILTER