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Maintaining the
Transmission
Transmission fluid type: Toro® Hypr-Oil™ 500 or
Mobil® 1 15W-50 synthetic motor oil.
Important:
Use the specified fluid. Other fluids
could cause system damage.
Checking the Transmission Fluid
Level
Service Interval: Every 50 hours
1.
Shut off the engine, engage the parking brake,
remove the key, and wait for all moving parts to
stop before leaving the operating position.
2.
Allow the machine to cool.
3.
Remove the cap from the expansion tank and
check the transmission-fluid level in the tank
(Figure
43).
Note:
The transmission fluid level should cover
the FULL COLD fill line molded into the side of
the tank.
Figure 43
1. Cap
2. Filler neck (expansion
tank)
4.
If necessary, add the specified transmission fluid
until the fluid level is at the FULL COLD fill line
of the expansion tank
5.
Install the expansion tank cap and tighten it until
snug.
Important:
Do not overtighten the expansion
tank cap.
g025891
3. FULL COLD line
(Figure
43).
Changing the Hydraulic
Transmission Filters and Fluid
Service Interval: After the first 100 hours
Every 250 hours thereafter
1.
Shut off the engine, engage the parking brake,
wait for all moving parts to stop, and remove
the key.
2.
Place a catch pan between the transmissions.
3.
Remove the 2 drain plugs, located at the bottom
of each transmission, to fully drain the oil.
4.
Locate the 2 filters under the transmissions.
5.
Carefully clean area around filters. It is important
that no dirt or contamination enters the hydraulic
system.
6.
Remove the filters to and allow the oil to finish
draining from the drive system.
Important:
Before installing new filters,
apply a thin coat of Exmark Premium
Hydraulic Fluid on the surface of the filters
rubber seal.
Turn the filters clockwise until rubber seal
contacts the filter adapter then tighten the filter
an additional 3/4 to 1 full turn.
7.
Install the 2 drain plugs.
8.
Remove the vent plug on each transmission and
fill through the expansion reservoir; when oil
comes out of the vent install the plug.
Exmark Premium Hydraulic Fluid is
recommended. Refer to the chart below for an
acceptable alternative:
Hydraulic Fluid
Exmark Premium Hydraulic
Fluid (Preferred)
Mobil 1 15W50
Torque the plugs to 20 N·m (180 in-lb). Continue
to add Exmark Premium Hydraulic Fluid until it
reaches the FULL COLD line on the expansion
reservoir.
9.
Raise the rear of machine up and support with
jack stands (or equivalent support) just high
enough to allow the drive wheels to turn freely.
41
Change Interval
250 hours
250 hours
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