35
• 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 may 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 38
and Figure 40.
• 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 38 and Figure 40.
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.
LUBRICATION OF DRIVE SHAFT
Lubricate both ends of the drive shaft after every 50
hours of operation as follows:
• The front end of the drive shaft can be
accessed from under the hood, and the rear
end from beneath the tractor. NOTE: It may be
necessary to rotate the drive shaft to access
the grease fittings.
• Using a pressure lubricating gun, lubricate the
drive shaft with Cub Cadet 251H EP grease.
LUBRICATION OF FRONT AXLE
Lubricate the front axle pivot pin, steering knuckles,
and wheel hubs after every 10 hours of operation.
See Figure 41. Using a pressure lubricating gun,
lubricate the drive shaft with Cub Cadet 251H EP
grease.
Figure 41
PIVOT PIN
LUBE FITTING
STEERING
KNUCKLE
LUBE FITTING
WHEEL HUB
LUBE FITTING
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