MTD 2005 500 Series Manuale utente

Service Manual

2005 500 Series (569) Self Propelled Walk Behind Mower

MTD Products Inc - Product Training and Education Department

FORM NUMBER - 769-02088

10/2005

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.

Introduction ........................................................................................................................... 1

Belt Removal ........................................................................................................................ 1

Blade Removal ..................................................................................................................... 3

Traction Control Cable Removal .......................................................................................... 3

Engine Control Cable ...........................................................................................................4

Transmission Removal/Replacement ................................................................................... 5

Rear Discharge Door Removal/Replacement ...................................................................... 6

Servicing Front Wheel Brackets ........................................................................................... 9

TABLE OF CONTENTS

SERIES 569 SELF PROPELLED

1. INTRODUCTION

1.1. Disclaimer: This service manual was intended

for the use, by trained technicians. The informa-

tion contained in this manual is current and

accurate at the time of writing, but is subject to

change without notice.

1.2. Description: The 569 is a multi function front-

wheel-drive self propelled lawn mower. This

mower features 12” rear wheels and will bag,

mulch, or side-discharge the grass using the

included grass defector. See Figure 1.2.

Figure 1.2

2. BELT REMOVAL

2.1. Disconnect and ground the spark plug wire.

2.2. Drain out any fuel that is in the fuel tank.

2.3. Remove the two hex head shoulder screws that

secure the belt guard using a 1/4” driver.

See Figure 2.3.

2.4. Squeeze the belt cover inward from both sides

of the cover to release the lock tabs.

See Figure 2.4.

NOTE: Tabs on both sides of the cover that

secure in each front wheel height adjuster.

Figure 2.3

1/4” hex

Shoulder screws

Figure 2.4

Locking Tabs

SERIES 569 SELF PROPELLED

2.5. Loosen the belt guide with a pair of 7/16”

wrenches. See Figure 2.5.

NOTE: The belt guide dose not need to be

removed simply loosen enough to allow the belt

to clear the pulley.

NOTE: Notice the holes on each of the wheel

brackets designed to stabilize the belt cover.

2.6. Slip the belt off of the transmission pulley.

See Figure 2.6.

2.7. Position the mower on its left side to keep the air

cleaner and carburetor elevated.

NOTE: Due to the orientation of the vent on the

transmission positioning the mower on its left

side is also advisable

2.8. Pull the belt in towards the rear of mower deck.

See Figure 2.8.

2.9. Remove the old belt from the crank shaft this

can be done with the blade still on the machine.

See Figure 2.9.

NOTE: It may be necessary to spin the blade to

allow the belt to fit between the blade tip and the

deck.

Figure 2.5

Belt Guide

Holes for

tabs on belt cover.

Figure 2.6

Figure 2.8

Figure 2.9

SERIES 569 SELF PROPELLED

2.10. When installing the new belt be sure that the belt

is riding within the belt keepers.

See Figure 2.10.

3. BLADE REMOVAL

3.1. Disconnect and ground the spark plug wire.

3.2. Drain the fuel tank or place a piece of plastic

under the fuel cap to prevent gas from leaking.

3.3. Tip the mower on its side so the air cleaner is up.

3.4. Secure the blade from rotating with a block of

wood or a blade lock.

See Figure 3.4.

NOTE: Torque for crack shaft bolt is 450-600

inch pounds

Figure 2.10

Belt Keepers

Figure 3.4

4. TRACTION CONTROL CABLE REMOVAL

4.1. Disconnect and ground the spark plug wire.

4.2. Remove the belt cover.

4.3. Disconnect the Z-fitting from the cable to the sta-

tionary bracket. See Figure 4.3.

NOTE: Slight back pressure will give the cable

slack to disconnect the Z- fitting easily.

NOTE: The cable end is barbed, and fits into a

snap-in cable mount to hold the cable in place.

NOTE: A Ford fuel-line disconnect tool is handy

for releasing barbed cable ends.

4.4. Squeeze the tabs together to allow the cable to

slip through the bracket.

4.5. Cut the cable ties to remove them from the han-

dle. Replace them with new ones during installa-

tion.

4.6. Loosen the wing nuts that secure the upper han-

dle to the lower handle, and carefully fold the

upper handle upward for easy access to the bot-

tom of the self-propel control housing.

NOTE: Use caution not to kink the control

cables.

Figure 4.3

SERIES 569 SELF PROPELLED

4.7. Remove the two Phillips head screws on the bot-

tom of the control panel housing. See Figure 4.7.

4.8. Once the screws have been removed, take the

cover off to expose the cable end of the handle.

See Figure 4.8.

NOTE: Having the lever in a neutral position

releases cable tension, easing cable removal.

4.9. Assemble mower by reversing the removal pro-

cedures.

5. ENGINE CONTROL CABLE

5.1. Push the bail handle to the forward limit of its

travel to give the cable slack.

5.2. Disconnect the z-fitting from the bail handle.

5.3. Disconnect the z-fitting from the engine.

NOTE: The cable is held secure with a snap

mount. Squeeze the tabs together to allow the

cable to back out of the bracket.

See Figure 5.3.

5.4. Snap the handle bar fitting off of the handle bar.

The handle bar fitting is part of the control cable.

See Figure 5.4.

5.5. Install cable by reversing the removal proce-

dures.

Figure 4.7

Figure 4.8

Figure 5.3

Snap mount

Figure 5.4

SERIES 569 SELF PROPELLED

6. TRANSMISSION REMOVAL/REPLACEMENT

6.1. Remove the belt cover by removing the shoulder

screws, squeeze the housing together to clear

the tabs that go into the wheel bracket.

6.2. Loosen the belt guide and take the belt off of the

transmission pulley.

6.3. Disconnect the drive cable from the cable

mounting bracket and transmission.

6.4. Disconnect the return spring.

See Figure 6.4.

NOTE: Notice the orientation of the spring prior

to disconnecting.

6.5. Remove the Wheels with a 9/16” socket.

6.6. Remove the snap ring that holds the drive gear

in place. See Figure 6.6.

Figure 6.4

Return Spring

Figure 6.6

Snap Ring

6.7. When removing the drive gears be careful of the

dowel pins not to lose them. See Figure 6.7.

NOTE: The drive gears have an “R” and “L” on

the outer edge for side indicators.

6.8. Remove the dust cover.

6.9. Remove left side front wheel height adjuster and

loosen the bolts that hold right side front wheel

height adjuster to the deck. See Figure 6.9.

NOTE: Tilt the left side of the transmission and

twist the transmission back to remove from the

right wheel bracket.

Figure 6.7

Dowel Pin

Figure 6.9

SERIES 569 SELF PROPELLED

6.10. Install the transmission in reverse order of dis-

asembly. See Figure 6.10.

NOTE: Make sure the front baffle is lined up with

the bolt holes for the front wheel brackets

NOTE: Upon installation apply a high quality

axle grease to the shaft. and the inner side of the

bearing sleeve.

6.11. Examine both sleeve spacers for damage or

excessive wear. See Figure 6.11.

6.12. Assemble mower by reversing the transmission

removal procedures.

7. REAR DISCHARGE DOOR REMOVAL/

REPLACEMENT

7.1. Elevate the rear of mower with a couple of 4X4

blocks or similar material. See Figure 7.1.

7.2. Prior to elevating, position the rear height adjust-

ers in third notch from the top to expose the

mounting hardware. See Figure 7.2.

Figure 6.10

Figure 6.11

Figure 7.1

Figure 7.2

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