Cub Cadet CC-949 Manuel utilisateur

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.

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

CC-949 Rear Wheel Drive

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

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

3.8. 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. 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

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

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

Table des matières

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