Cub Cadet CC-949 User manual

Service Manual
CC-949 Self Propelled Lawn Mower
MTD Products Inc. - Product Training and Education Department
FORM NUMBER - 769-02121
4/2006
NOTE: These materials are for use by trained technicians who are experienced in the service and repair of outdoor power
equipment of the kind described in this publication, and are not intended for use by untrained or inexperienced individuals.
These materials are intended to provide supplemental information to assist the trained technician. Untrained or inexperi-
enced individuals should seek the assistance of an experienced and trained professional. Read, understand, and follow all
instructions and use common sense when working on power equipment. This includes the contents of the product’s Oper-
ators Manual, supplied with the equipment. No liability can be accepted for any inaccuracies or omission in this publication,
although care has been taken to make it as complete and accurate as possible at the time of publication. However, due to
the variety of outdoor power equipment and continuing product changes that occur over time, updates will be made to these
instructions from time to time. Therefore, it may be necessary to obtain the latest materials before servicing or repairing a
product. The company reserves the right to make changes at any time to this publication without prior notice and without
incurring an obligation to make such changes to previously published versions. Instructions, photographs and illustrations
used in this publication are for reference use only and may not depict actual model and component parts.
© Copyright 2006 MTD Products Inc. All Rights Reserved

1
1. INTRODUCTION ........................................................................................................................1
2. BLADE REMOVAL .....................................................................................................................1
3. BELT REMOVAL .......................................................................................................................2
4. TRANSMISSION AND CHAIN CASE REMOVAL .....................................................................4
5. ENGINE CONTROL CABLE ......................................................................................................6
6. TRACTION CONTROL CABLE .................................................................................................7
7. FRONT AXLE..............................................................................................................................9
Table of Contents

2

CC-949 Rear Wheel Drive
1
1. INTRODUCTION
1.1. Disclaimer: This service manual is intended to
be used by trained technicians.
1.2. Disclaimer: The information contained in this
manual is current and accurate at the time of
writing, but is subject to change without notice.
1.3. Description: The CC-949 is a multi-function
rear wheel drive self propelled mower. It can
bag, mulch or side discharge depending on
which chute or plug is attached to the mower.
See Figure 1.3.
CAUTION: When ever working near the blades
of this or any lawn mower it is very important to
disconnect and ground the spark plug wire. Also,
if the unit needs to be tipped over make sure to
take measures to prevent fuel from leaking from
the gas tank.
Figure 1.3
2. BLADE REMOVAL
2.1. Disconnect and ground the spark plug wire.
2.2. Take measures to prevent fuel from leaking from
the gas tank.
2.3. Lock the blade in place by using a piece of 2” x
4” or a blade locking tool. See Figure 2.3.
2.4. Remove the blade retaining bolt using a 5/8”
wrench.
2.5. Inspect the blade adapter and the blade support
(the metal strip under the blade retaining bolt) for
wear or damage.
CAUTION: If the pins or the star on either piece
are worn or damaged they must be replaced.
Failure to due so can result in the blade coming
off.
2.6. Install new or sharpened and balanced blade in
the reverse order, ensuring that the pins on the
blade support match with the pins on the blade
adapter.
NOTE: Blade should be tightened to 37.5 to 50
ft. lbs(51 to 68 Nm) of torque.
CAUTION: Blades must be balanced before
installing them on a mower. Failure to due so
can result in a heavy vibration in the mower.
2.7. Run the mower before returning it to service.
Figure 2.3
Blade locking tool
CC-949 Rear Wheel Drive
Self-Propelled Mower

Self-Propelled Mower
2
3. BELT REMOVAL
3.1. Disconnect and ground the spark plug.
3.2. Take measures to prevent fuel from leaking from
the gas tank.
3.3. Remove the blade as described in the blade
removal section.
3.4. Remove the blade adapterand washers, making
sure to note the order and orientation of the
washers. See Figure 3.4.
3.5. Remove the bottom pulley half. See Figure 3.5.
3.6. Remove the three screws holding the shroud in
place using a 3/8” wrench. See Figure 3.6.
3.7. Remove the hub caps on the rear wheels by pry-
ing them off. See Figure 3.7.
Figure 3.4
Wave washer
Flat washers
Figure 3.5
Bottom pulley
half
Figure 3.6
Three shroud screws
Figure 3.7

Self-Propelled Mower
3
3.8. Remove the left rear wheel by removing the hex
head bolt in the center of the wheel with a 7/16”
wrench. Then take the right wheel off.
NOTE: You may have to hold the left axle half to
get the right wheel off. You can do this with a pair
of vise grips. Care should be taken not to dam-
age the splines on the end of the axle.
See Figure 3.8.
3.9. Once the wheels are off, remove the phillips
head screws, one on each side, and finish
removing the shroud. See Figure 3.9.
Figure 3.8
Figure 3.9
Remove this screw
on both sides
3.10. Loosen the bolt that goes through the idler bear-
ing using two 7/16” wrenches. Unlatch the metal
tab holding the belt to the bearing.
See Figure 3.10.
3.11. Remove belt from around the transmission pul-
ley and discard.
3.12. Follow steps in reverse order to install new belt.
3.13. Run the mower before returning it to service.
Figure 3.10
Unlatch tab
Loosen bolt

Self-Propelled Mower
4
4. TRANSMISSION AND CHAIN CASE
REMOVAL
4.1. Disconnect the spark plug wire and ground it to
an engine bolt.
4.2. Take measures to prevent fuel from leaking from
the gas tank.
4.3. Remove the blade as described in the blade
removal section.
4.4. Remove the belt, wheels and shroud as
described in the belt removal section.
4.5. Remove the handlebar by removing the wing
nuts and hair pin clips. See Figure 4.5.
NOTE: When reinstalling the wing nuts, make
sure they are on the out side of the handle bars.
4.6. Remove the bolt that anchors the transmission
to the deck. See Figure 4.6.
4.7. Remove the nut that holds the height adjuster
handle on using a 7/8” wrench.
4.8. Remove the hairpin clip that holds the height
adjuster linkage to the lever. Disconnect the
height adjuster linkage. See Figure 4.8.
4.9. Remove the four screws holding the handle bar
brackets in place using a T-27 Torx bit.
CAUTION: There is a spring pushing on the axle
housing. Take care to prevent the transmission
and axle housing from flying out.
NOTE: Make a note of which spacer goes
where. They are not interchangeable.
4.10. Place Transmission and chain case on a bench.
See Figure 4.10.
Figure 4.5
Remove the wing nuts and clips
Figure 4.6
Remove this bolt
Figure 4.8
Remove nut and hair pin clip
Figure 4.10

Self-Propelled Mower
5
4.11. Remove the screws holding the chain case
cover on using a 3/8” wrench. See Figure 4.11.
4.12. Inspect the plastic bushing in the chain case
cover and the one on the other end of the axle
assembly for wear. Replace as needed.
4.13. Wiggle the chain free from the transmission out-
put shaft. See Figure 4.13.
4.14. The axle assembly can now be slid out of the
housing.
NOTE: The sprockets on the axle assembly and
the transmission output shaft are welded in
place and can not be removed.
4.15. With a flat head screw driver, pry the backing
plate off of the chain case housing. The trans-
mission is now free to be removed.
NOTE: The transmission is not serviceable. If it
is in need of repair it must be replaced.
Figure 4.11
Transmission output shaft
Axle assembly
Figure 4.13
4.16. Reassemble the chain case in reverse order.
4.17. Remove one of the screws holding the height
adjuster spring in place and loosen the other.
See Figure 4.17.
4.18. Install the transmission and chain case assem-
bly back in the mower with the axle spacers.
NOTE: Be sure to get the height adjuster spring
hooked onto the axle housing. Push against the
spring and hold it in place to install the handlebar
brackets. Removing the screw mentioned in step
4.17 will make it easier to push against the
spring. See Figure 4.18.
4.19. Install the handlebar brackets.
Figure 4.17
Height adjuster spring screws
Figure 4.18
Remove screw
Loosen screw
Height adjuster spring

Self-Propelled Mower
6
4.20. After the handle bar brackets are in place, use a
piece of starter rope wrapped over the side of
the height adjuster spring bracket that the bolt
was removed from and pull the spring down until
the screw hole lines up. Reinstall the screw.
4.21. Tighten the screw loosened earlier.
4.22. Finish reassembling the mower in the reverse
order.
4.23. Test run the mower before returning it to service.
5. ENGINE CONTROL CABLE
5.1. Make sure the engine is off.
5.2. Unhook the Z-fitting from the safety bail.
5.3. Squeeze the tabs on cable jacket (on the bail
end of the cable) together using a pair of pliers
or a ford fuel line disconnect tool. Push the cable
through the bracket. See Figure 5.3.
5.4. Use a pair of pliers, or a ford fuel line disconnect
tool, and squeeze the tabs. Push the cable
jacket through the bracket until the inner cable
lines up with the slot on the bracket.
See Figure 5.4.
Z-fitting
Squeeze tabs
Figure 5.3
Slot
Squeeze tabs
Figure 5.4