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MAINTENANCE

1740333SM

HOW TO ADJUST THE BLADE ROTATION CONTROL

WARNING: To prevent an injury, the blade rotation

control must operate correctly.

In normal usage, the

blade rotation control

will not require an

adjustment. However, if the cutting performance decreases or the

quality of cut is poor, make the following changes.

1. When you mow, make sure the throttle control in in the FAST

position.

2. Move the

blade rotation control

to the

DISENGAGE position

(Figure 17).

3. Stop the engine. Disconnect the wire from the spark plug.

Blade Rotation Control

Engage Position

Disengage

Position

Figure 17

4. Check the blade(s). Keep a sharp edge on the blade(s). A blade

that is not sharp will cause the tips of the grass to become
brown.

5. Disconnect the

blade drive spring

from the

blade control

rod

. Move the

blade drive spring

to the

middle hole

(Figure 18). This will increase the tension on the

mower drive

belt

Figure 18

Blade

Control Rod

Blade Drive Spring

Top Hole (New Belt)

Middle Hole

Bottom Hole

DISENGAGE POSITION

6. Attach the wire to the spark plug. Mow for a short distance and

again check the quality of cut. If necessary, move the

blade

drive spring

to the

bottom hole

7. Again check the quality of cut. If the quality of cut has not im-

proved, replace the

mower drive belt

. See “How To Replace

The Mower Drive Belt”. If replacing the belt does not correct the
problem, take the unit to an authorized service center.

8. Move the

blade rotation control

to the

DISENGAGE posi-

tion.

Stop the engine. Disconnect the wire from the spark plug.

Check the operation of the

blade brake

. Rotate the pulleys with

your hand. Make sure the

brake pads

are pressed tightly

against the pulleys (Figure 19).

WARNING: If the brake pads do not press tightly

against the pulleys, take the unit to an authorized

service center.

Blade Brake

Brake Pad

Against Pulley

Figure 19

9. Move the

blade rotation control

to the

ENGAGE position.

Check the pads for the

blade brake

. If the pads are excessively

worn or damaged, replace the

brake pad

assemblies. Correct

replacement parts and assistance are available from an autho-
rized service center.

10. Attach the wire to the spark plug. Mow for a short distance and

again check the operation of the

blade rotation control

11. When you move the

blade rotation control

to the

DISENGAGE position

, all movement will stop within five se-

conds. If there is movement of the belt or the blades continue
to rotate, engage and disengage the

blade rotation control

five times to remove any excess rubber from a new

mower

drive belt

. If you need assistance, take the unit to an autho-

rized service center.

12. If you replace the

mower drive belt

, move the

blade drive

spring

to the

top hole

(Figure 18).

Содержание 425622 78B Series

Страница 1: ...st be included to make sure state laws and other laws are followed PRODUCT INFORMATION Read and keep this book for future reference This book contains important information on SAFETY PREPARATION OPERATION AND MAINTENANCE RECORD THE FOLLOWING INFORMATION ABOUT YOUR UNIT THIS INFORMATION IS NECESSARY WHEN ORDERING PARTS OR IN CASE OF LOSS OR THEFT 1740333SM TP 100 4345 00 RD R MODEL 425622x78B ...

Страница 2: ... HEIGHT 21 HOW TO STOP THE UNIT 21 HOW TO TRANSPORT THE UNIT 21 HOW TO OPERATE WITH THE MOWER HOUSING 22 HOW TO OPERATE THE UNIT ON HILLS 22 BEFORE STARTING THE ENGINE 23 HOW TO START THE ENGINE 23 OPERATING TIPS 24 MOWING AND BAGGING TIPS 24 MAINTENANCE 25 MAINTENANCE CHART 25 HOW TO CHECK THE MUFFLER 25 HOW TO REMOVE AND INSTALL THE BLADE 26 HOW TO SHARPEN THE BLADE 26 HOW TO ADJUST THE BLADE RO...

Страница 3: ...fied This warranty covers product related defective material and or workmanship only To avoid misunderstanding which might occur be tween the customer and the Dealer listed below are some of the causes of product failure that the warranty does not cover Normal Wear Small Engine Powered Equipment like all mechanical devices needs periodic parts and service to perform well Warranty does not cover re...

Страница 4: ...approved replacement parts 8 Complete all maintenance on the unit Environmental Awareness D Do not fill the engine s fuel tank completely full D Drain fuel for off season storage D Use only unleaded gasoline D Service the air cleaner regularly D Change oil regularly Use 10W 30 oil in summer D Tune up the engine regularly D Keep equipment in efficient operating condition D Dispose of used engine oi...

Страница 5: ...hments they can change the stability of the machine 7 Keep all movement on the slopes slow and gradual Do not make sudden changes in speed or direction 8 Avoid starting or stopping on a slope If tires lose traction turn off the blades and proceed slowly straight down the slope 9 Choose a low ground speed so you will not have to stop or shift while on a slope 10 Always keep the machine in gear when...

Страница 6: ...the machine with fuel in the tank or fuel container inside where there is an open flame such as a water heater 2 Never start or run the engine inside a closed area 3 Keep all nuts and bolts especially the blade attachment nuts tight Frequently check the blade s for wear or damage such as cracks and nicks A blade that is bent or damaged must be immediately replaced with an original equipment blade ...

Страница 7: ...ever let another person ride with you on the unit or on any accessories A passenger will make the unit harder to control block the visibility or distract the operator and is dangerous to the operator the passenger and the equipment Without a passenger seat the passenger can fall from the mower or contact dangerous parts A mower is not a toy for showing off or for giving rides Never cut a wet lawn ...

Страница 8: ...rectly assembled not operated correctly or not regularly serviced the mower can be dangerous The most important rule to follow is always use good judgement and common sense Mow safely and carefully Your mower will easily cut thick grass Fingers feet and other parts can also be cut by the blade Injuries occur when the operator does not think and reaches into the chute opening Always operate the mow...

Страница 9: ...or empty the grass bagger always stop the engine Before each use of the grass bagger check for cracks wear or deterioration Before you use the grass bagger replace a damaged part with a replacement part approved by the factory For you to have a good green lawn follow the mowing procedures below Do not cut the grass too short If you cut the grass too short you can cause the grass to become yellow o...

Страница 10: ...essively F Do not make adjustments or repairs without stopping the engine Disconnect the spark plug wire F On or near roads watch out for traffic Direct discharge away from roads F When mowing avoid areas where traction is unsure Look back before changing direction of travel Look down and behind before and while backing F In heavy grass raise the cutting height Cut slower Stop the engine to remove...

Страница 11: ...eep Bystanders Away Read User Instructions Before Operating This Machine 8 WARNING Do Not Use This Machine On Slopes Greater Than 15 Degrees 9 DANGER Keep People Especially Children Away From Unit 10 DANGER No Step 11 DANGER Keep Feet And Hands Away From Rotating Blade 12 DANGER Keep Hands Away From Rotating Blade 13 DANGER Disconnect Spark Plug Wire Before Servicing Unit 14 WARNING Hot Surface 15...

Страница 12: ...erator on the seat WARNING Before doing any assembly or mainte nance to the mower remove the wire from the spark plug PARTS BAG CONTENTS The fasteners and other loose parts are shown below The fasteners are shown full size The quantity is shown in brackets 2x82 2 Carriage Bolt 14x79 2 Wing Nut 17x47 2 Washer 1001054 2 Knob 20729 1 Keys Ring 17x195 2 Washer 17x192 2 Washer 30x49 2 Cotter Pin 94618 ...

Страница 13: ...t a support block of wood under the tractor 2 Make sure the valve stem is to the outside of the tractor Slide the front wheel on the spindle 3 Fasten each front wheel with washer washer and cotter pin Bend the ends of the cotter pin appart to keep the front wheel on the spindle 4 After the front wheels are installed lift the tractor from the support Roll the tractor off of the container 5 If your ...

Страница 14: ...sting Hole Seat Hinge A B HOW TO ASSEMBLE THE STEERING WHEEL Tools Required 3 8 Socket Wrench Attach the steering wheel as follows A 25x3 C 17x146 1 Make sure the front wheels point forward 2 Slide the bellows over the steering post Figure 3 NOTE Before attachment of the steering wheel make sure that the front wheels point forward and are straight For proper alignment of the steering wheel see Fig...

Страница 15: ...ance Free Battery HOW TO CHARGE THE MAINTENANCE FREE BATTERY WARNING When you charge the battery do not smoke Keep the battery away from any sparks The fumes from the battery acid can cause an explosion 1 Remove the battery and battery tray 2 Remove the protective cap from the battery terminal 3 Use a 12 volt battery charger to charge the battery Charge at a rate of 6 amperes for one hour If you d...

Страница 16: ...d forest covered brush covered or grass covered land unless the engine s exhaust system is equipped with a spark arrester meeting applicable local or state laws if any If a spark arrester is used it must be maintained in effective working order by the operator In the State of California the above is required by law Section 4442 of the California Public Resources Code Other states may have similar ...

Страница 17: ... IGNITION KEY SWITCH Use the ignition key switch to start and stop the engine When you start the engine and release the ignition key the ignition key switch will automatically default to the recommended RUN MOW position for normal mowing AUTOMATIC DRIVE DISCONNECT Use the auto matic drive disconnect located under the seat to disengage the transmission LIFT LEVER Use the lift lever to change the he...

Страница 18: ...urn the ignition switch to the START position The engine should not start If the engine starts the switch is defective and must be replaced 3 Check the Operator Presence System switch DO NOT sit in the seat Depress the clutch brake pedal Move the blade rotation control to the DISENGAGE position Turn the ignition switch to the START position The engine should not start If the engine starts the swit...

Страница 19: ...AGE position to stop the blade s Before you leave the operator s position make sure the blade s has stopped rotating 4 Before you ride the unit across a sidewalk or a road move the blade rotation control to the DISENGAGE position 5 Before operating in reverse move the blade rotation control to the DISENGAGED position If the blade rotation control is not in the DISENGAGED position the engine will s...

Страница 20: ...e your foot from the speed control pedal The speed control pedal will automatically return to the NEUTRAL position 2 When the unit stops slowly move the speed control pedal to the desired direction SPEED CONTROL PEDAL POSITIONS The forward speed is controlled by the position of the speed control pedal The following chart provides functions along with the pedal positions Always operate the engine w...

Страница 21: ...er the mower housing and back to raise the mower housing Figure 12 2 When you ride on a sidewalk or road move the lift lever to the highest position and move the blade rotation control to the DISENGAGE position Lift Lever Figure 12 HOW TO STOP THE UNIT 1 Slowly remove your foot from the speed control pedal The speed control pedal will automatically return to the NEUTRAL position and the unit will ...

Страница 22: ...r better control of the unit always select a safe speed HOW TO OPERATE THE UNIT ON HILLS WARNING Do not ride up or down slopes that are too steep to back straight up Never ride the unit across a slope See the Slope Guide in the back of this book for information on how to check slopes HOW TO OPERATE ON A HILL 1 Control the speed only with the speed control pedal Do not use the brake pedal on a hill...

Страница 23: ...ture To adjust the carburetor see the engine manufacturer s instructions 1 The engine has a loss of power or does not run smooth 2 A change from summer to winter operation 3 A 40 degree change in the operation temperature The carbure tor was adjusted at 80 degrees at the factory 4 The engine is operated above 4 000 feet HOW TO START THE ENGINE WARNING The electrical system has two primary componen...

Страница 24: ...e is bent or damaged immediately replace the blade Also make sure the nut for the blade is tight 4 Keep the blade s sharpened Worn blades will cause the ends of the grass to turn brown 5 Do not cut or bag grass that is wet Wet grass will not discharge correctly Let the grass dry before cutting 6 Use the left side of the mower housing to trim near an object 7 Discharge the cut grass onto the mowed ...

Страница 25: ...arnings in the Owner s Manual Add fuel stabilizer Refer to the Engine Owner s Manual Prepare battery for storage a Remove from unit b Fully charge c Move to cool dry place GENERAL RECOMMENDATIONS 1 The owner s responsibility is to maintain this product This will extend the life of the product and is also necessary to maintain warranty coverage 2 Check the spark plug drive brake lubricate the unit ...

Страница 26: ...t cut correctly and can cause an accident 8 Fasten the blade with the original washers and nut Make sure the outside rim of the Belleville washer is against the blade Figure 15 WARNING Always keep the nut tight that holds the blade A loose nut or blade can cause an accident 9 Tighten the nut that holds the blade to a torque of 35 foot pounds 47 5 N m 10 Install the mower housing See How To Install...

Страница 27: ...replace the mower drive belt See How To Replace The Mower Drive Belt If replacing the belt does not correct the problem take the unit to an authorized service center 8 Move the blade rotation control to the DISENGAGE posi tion Stop the engine Disconnect the wire from the spark plug Check the operation of the blade brake Rotate the pulleys with your hand Make sure the brake pads are pressed tightly...

Страница 28: ...sconnect the clutch link from the idler arm Figure 20 3 Align the hole in the brake lever with the hole in the frame Hold the brake lever in place with a 1 4 inch 6 mm pin or bolt Figure 21 4 Rotate the clutch link until the mounting hole in the clutch link is aligned with the hole in the idler arm as shown in Figure 20 5 Connect the clutch link to the idler arm Figure 20 6 Remove the 1 4 inch 6 m...

Страница 29: ...ore you disconnect the red cable WARNING The battery contains sulfuric acid which is harmful to the skin eyes and clothing If the acid gets on the body or clothing wash with water 1 Disconnect the black cable from the negative terminal Figure 23 2 Disconnect the red cable from the positive terminal 3 Lift the battery tray and the battery out of the unit HOW TO CLEAN THE BATTERY 1 Remove the batter...

Страница 30: ...or the fuel line the fuel tank must be empty If the fuel filter is dirty the engine will run rough and have less performance Remove the old filter Figure 25 Replace the old filter with a new filter Use an original equipment part See an authorized service dealer in your area Fuel Line Clips Fuel Filter Figure 25 CHECK THE TIRES Check the air pressure in the tires Tires with too much air pressure wi...

Страница 31: ...elt is against the stack pulley Also make sure the mower drive belt is not twisted 3 Attach the front hanger to the axle support with the hanger rod Fasten with the fasteners as shown See illustration F 4 Make sure the mower drive belt is between the stack pulley and the two belt guides See illustration G 5 Attach the suspension links to the lifter assembly Fasten with the washers and hair pins Se...

Страница 32: ...om starting by accident 1 Remove the gauge wheels Figure 28 2 Mow a short distance on a flat level area to check the level of cut and the height of cut Look at the height of cut position number on the lift lever Figure 29 3 Look at each gauge wheel bracket There are 3 holes in each bracket and a number next to each hole The number for the height of cut position on the lift lever indicates the corr...

Страница 33: ... the LEVEL ADJUSTMENT position 6 Loosen the left and right adjuster knobs Figure 32 Push down on each side of the mower housing Make sure both sides of the mower housing are setting on a flat surface Also make sure the lift links are loose and can easily move up or down 7 Push down on the lift links and tighten the left and right adjust er knobs Figure 32 Make sure the adjuster knobs are tight If ...

Страница 34: ... the motion drive belt through the opening between the steering plate and the engine plate 3 Install the end of themotion drive belt around the drive pulley Figure 36 4 Put the motion drive belt around the V idler pulley Install the motion drive belt V idler pulley and spacer 5 Put the belt around the idler pulley Fasten the idler pulley and spacer with the hex nut Make sure the flat side of the b...

Страница 35: ...drive belt Pull the belt retainer away from the right mandrel pulley Put the belt around the right mandrel pulley 6 Pull the belt retainer away from the left mandrel pulley Put the belt around the left mandrel pulley 7 Pull the belt retainer away from the idler pulley Put the flat side of the mower drive belt around the idler pulley 8 Make sure the V side of the mower drive belt is against the man...

Страница 36: ...ake sure the washer hold the hub caps in place Rear Wheel 1 Install the washers and spacer onto the axle as shown in Figure 39 2 Mount the square key in the key slot See Figure 39 3 Make sure the valve stem is to the outside of the tractor Align the slot in the rear wheel with the square key Slide the rear wheel on the axle 4 Fasten the rear wheel with washer and e ring 5 If your model has hub cap...

Страница 37: ...ving parts 1 Move the lever for the blade rotation control to the ENGAGE position 2 Clean the top of the mower housing 3 Move the lever for the blade rotation control to the DISENGAGE position 4 Again clean the top of the mower housing 5 After you cut the grass clean the bottom of the mower housing STORAGE over 30 days At the end of each year prepare the unit for storage as follows THE ENGINE For ...

Страница 38: ...e causes a decrease in power 1 Clean the air screen 2 Check the oil 3 Adjust the carburetor 4 Replace the fuel filter PROBLEM Excessive vibration 1 Replace the blade 2 Check for loose engine bolts 3 Decrease the air pressure in the tires 4 Adjust the carburetor 5 Check for a damaged belt or damaged pulley Replace the damaged parts PROBLEM The grass does not discharge correctly 1 Stop the engine Cl...

Страница 39: ...39 1740333SM ...

Страница 40: ...NOTES 40 1740333SM ...

Страница 41: ...NOTES 41 1740333SM ...

Страница 42: ...NOTES 42 1740333SM ...

Страница 43: ...Charge 29 Clean 29 Belt Motion Drive 34 Mower Drive 35 Blade 26 Blade Rotation Control 27 Clutch 28 Drive Brake 29 Filter Fuel 30 Fuse 37 Headlight 37 Install Wheels 36 Lubrication 30 Mower Housing Clean 37 Install 31 Level 33 Remove 31 Muffler 25 Storage 37 Maintenance Chart 25 Motion Drive Belt Adjust 28 Replace 34 Mower Drive Belt Adjust 27 Replace 35 Mower Housing Clean 37 Cutting Height 21 In...

Страница 44: ...44 1740333SM ...

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