Belt Replacement - Cub Cadet RT 45 Manual Del Operador

6. Never store the tiller with fuel in the fuel tank in an enclosed area where
gas fumes could reach an open flame or spark, or where ignition sources are
present (space heaters, hot water heaters, furnaces, etc.).

Belt Replacement

If the drive or reverse belts need to be replaced, it is best to replace both belts at the
same time. Use only a factory-authorized belt as an "over- the-counter" belt may
not perform satisfactorily. The procedure requires average mechanical ability and
commonly available tools.
To replace the drive and reverse
belts, follow these steps:
1. Make sure the tiller is on a
flat surface, with the
engine turned off and the
spark plug wire
unplugged and grounded
to prevent unintended
firing of the engine.
2. Remove the belt cover as
seen in Figure 17, by first
removing the two 1⁄4-20
hex washer screws and
one flat washer. Lift the
belt cover up and away
from the tiller and set
in a safe location until
reinstallation.
3. Remove the four 1⁄4-20
hex washer screws that
secure the pulley shield
to the frame as seen in
Figure 18, and remove the
pulley shield and set aside
in a safe location until
reinstallation.
4. Remove the idler bracket
extension spring, as
pointed out in Figure 19. It
is recommended to use a
pair of needle-nosed
pliers, and grab the spring
by the end that hooks over
the frame. Simply grab it
and pull it away from the
frame, then upwards and
carefully relieve the
tension of the spring.
5. Remove the idler pulley
bracket by removing the
5⁄16-24 hex screw, flat
washer and lock washer,
as in Figure 20.
NOTE:
It will be necessary to
remove the belt from around
the idler pulley by working it off
the pulley and from underneath
each belt keeper.
Hex
Washer
Screw
Hex Washer
Screw
Flat Washer
Figure 17
Hex Washer
Figure 18
This belt
Remove the
should be
idler bracket
installed with
extension
the V-side out
spring
Figure 19
Remove the
Remove the
idler pulley
belt from the
bracket by
idler pulley
removing the
by working it
hex screw,
under the belt
flat and lock
keepers.
washers.
Figure 20
SERVICE
6. Remove the flange nut
securing the transmission
drive pulley, then remove
the pulley along with the
two belts. See Figure 21.
7. Replace the old belts with
the new belts in the same
order they were removed.
The longer belt (754-
04091) belongs closer to
the engine (V-side out),
with the shorter belt
(754-04090) positioned
closer to the tines.
8. Reinstall the transmission drive pulley with the new belts.
9. Reassemble the tiller in the reverse order in which it was disassembled.
NOTE:
When reinstalling the belt cover, be sure to engage the bail and hold it so that the drive belt
is tight before attempting to reinstall the belt cover. This will enable the belt to fall under the belt
keeping mechanism built into the belt cover. Failure to do so could damage the belt and/or belt cover.
Tines
The tines will wear with use and should be inspected at the beginning of each tilling
season and after every 30 operating hours. The tines can be replaced. Refer to the
Replacement Parts section for part numbers and ordering instructions.
Tine Inspection
With use, the tines will become shorter, narrower and pointed. Badly worn tines
will result in a loss of tilling depth and reduced effectiveness when chopping up and
turning under organic matter.
Removing/Installing a Tine Assembly
1. Remove the tine shield end covers and side shields by removing the three
Screw wing nuts on each side that secure them.
2. A tine assembly consists of a left hand tine assembly and a right hand tine
assembly.
NOTE:
The tine assembly moves in a counter-rotating motion with the sharp edges of the
tines positioned to enter the soil first when counter-rotating. Note this position of the tines for
reinstallation of the new tine assemblies.
3. To remove a tine assembly,
simply remove the cotter
pin securing the clevis
pin as seen in Figure 22.
Remove the clevis pin and
slide the assembly to the
outside of the unit and off
of the tine shaft.
4. Before reinstalling the
tine assembly, inspect the
tine shaft for rust, rough
spots or burrs. Lightly file
or sand, as needed. Apply
a thin coat of grease to
the shaft.
5. Install each tine assembly so that the cutting (sharp) edge of the tines will
enter the soil first when the tiller moves forward. Keep in mind that these
tines are counter rotating, so secure the tine assembly to the tine shaft using
the clevis pin and internal cotter pin.
Change Transmission Gear Oil
NOTE:
The transmission gear oil does not need to be changed unless it has been contaminated with
dirt, sand or metal particles.
See an authorized service dealer to have the transmission gear oil changed. Refer to
the phone number on page 2 of this manual to locate the nearest service dealer.
11
Remove
V-side out
pulley with
Flange Nut
belts
Figure 21
Clevis Pin
Cotter Pin
Figure 22