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Basco 425622 78B Series Instruction Book

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Read and keep this book
for future reference. This book contains
important information on SAFETY, PREPARATION,
OPERATION, AND MAINTENANCE.
PRODUCT INFORMATION
The owner must be certain that all
the product information is included with the unit.
This information includes
the INSTRUCTION BOOKS,
the REPLACEMENT PARTS and the WARRANTIES.
This information must be included to make sure state laws and other laws
are followed.
RECORD THE FOLLOWING INFORMATION ABOUT YOUR UNIT. THIS INFORMATION IS
NECESSARY WHEN ORDERING PARTS OR IN CASE OF LOSS OR THEFT.
1740333SM
MODEL
425622x78B
TP 100-4345-00-RD-R

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Summary of Contents for Basco 425622 78B Series

  • Page 1 MODEL 425622x78B Read and keep this book for future reference. This book contains important information on SAFETY, PREPARATION, OPERATION, AND MAINTENANCE. PRODUCT INFORMATION The owner must be certain that all the product information is included with the unit. This information includes the INSTRUCTION BOOKS, the REPLACEMENT PARTS and the WARRANTIES.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS LIMITED WARRANTY ......... . . RESPONSIBILITY OF THE OWNER .

  • Page 3: Limited Warranty

    BRIGGS & STRATTON CORPORATION OWNER WARRANTY POLICY Effective January 1, 2006 replaces all undated Warranties and all Warranties dated before January 1, 2006 LIMITED WARRANTY Briggs & Stratton Corporation will repair or replace, free of charge, any part(s) of the product that is defective in material or workmanship or both. Transportation charges on product submitted for repair or replacement under this warranty must be borne by purchaser.

  • Page 4: Responsibility Of The Owner

    OWNER’S INFORMATION This instruction book is for several different models. The instructions are written for a person with some mechanical ability. Like most ser- vice books, not all the steps are described. Steps on how to loosen or tighten fasteners are steps anyone can follow with some mechanical Engine Exhaust, some of its constituents, and ability.
  • Page 5 OWNER’S INFORMATION 15. Watch for traffic when operating near or crossing roadways. 16. Use extra caution when loading or unloading the machine into a trailer or truck. 17. Turn off all attachment clutches before attempting to start the engine. 18. Always wear goggles, safety glasses, or an eye shield when you operate the unit to protect your eyes from foreign objects that can be thrown from the unit.
  • Page 6 OWNER’S INFORMATION V. Safe Handling Of Gasoline To avoid personal injury or property damage, use extreme care in handling gasoline. Gasoline is extremely flammable and the vapors are explosive. Extinguish all cigarettes, cigars, pipes, and other sources of ignition. Use only an approved gasoline container. Never remove gas cap or add fuel with the engine running.
  • Page 7 SAFE MOWING GUIDE Each person that operates power controls and how they work. In an equipment must learn to use correct and emergency, how fast you can stop the safe mowing procedures. To help you blade is important. Learn how to control learn, carefully read the following the mower at all times.
  • Page 8 SAFE MOWING GUIDE store, you must still check the mower engine and transmission cool before When you mow, remember that children according to the assembly instructions. servicing the mower. Remember, exhaust are attracted to the mower. Always use Make sure the mower is correctly fumes are dangerous.
  • Page 9 SAFE MOWING GUIDE Also, the grass bagger will function better a blade that is not sharp or at a slow feel new or excessive vibration, when the engine is operating at maximum immediately stop the engine and check for engine speed you can damage the grass. speed.
  • Page 10 STEPS TO FOLLOW BEFORE MOWING F Be sure to dress correctly. Wear hard shoes, not sandals or tennis shoes. F Examine the blade. A blade that is bent, cracked, or damaged must be replaced with a factory replacement blade. F Fill the fuel tank outside. Clean off spilled fuel. F Read and follow the Owner’s Manual, the instructions with the engine, and the instructions with any attachments.

  • Page 11: International Pictorials

    INTERNATIONAL PICTORIALS INTERNATIONAL PICTORIALS IMPORTANT: Some of the following pic- Flush Eyes Immediately With Water. 10 DANGER: No Step. torials are located on your unit or on Get Medical Help Fast. 11 DANGER: Keep Feet And Hands literature supplied with the product. Be- Away From Rotating Blade.

  • Page 12: Assembly

    ASSEMBLY ASSEMBLY WARNING: Before doing any assembly or mainte- Read and follow the assembly and adjustment instructions for your nance to the mower, remove the wire from the spark mower. All fasteners are in the parts bag. Do not discard any parts plug.

  • Page 13: How To Install The Front Wheels

    ASSEMBLY HOW TO INSTALL THE FRONT WHEELS Use a knife and cut the four sides of the container. Install the front Make sure the valve stem is to the outside of the tractor. Slide wheels in the container. the front wheel on the spindle. Fasten each front wheel with washer, washer and cotter pin.

  • Page 14: How To Install The Seat

    ASSEMBLY HOW TO INSTALL THE SEAT Check the operating position of the seat. If the seat needs to be adjusted, loosen the two wing bolts. Slide the seat forward Carefully remove the plastic bag from the seat. or backward along the seat adjusting holes as shown. Tighten Use the fasteners shown below to install the seat.

  • Page 15: How To Assemble The Gauge Wheels

    ASSEMBLY HOW TO ASSEMBLE THE GAUGE WHEELS Use the fasteners shown below to install the gauge wheels. The fasteners are shown at full size. 31x11 17x91 Gauge Wheel Axle Bolt Attach the gauge wheels to the axle bolts with the fasteners. Figure 4 NOTE: The axle bolt is mounted in the LOW position.

  • Page 16: How To Prepare The Engine

    ASSEMBLY IMPORTANT! BEFORE YOU START MOWING - Check the engine oil. WARNING: Before doing any assembly or mainte- nance to the mower, remove the wire from the spark - Fill the fuel tank with gasoline. plug. - Check the level of the mower housing. - Check the air pressure of the tires.

  • Page 17: Operation

    OPERATION Blade Rotation Control Throttle Control Lever Brake Pedal Speed Control Pedal Lift Lever Figure 6 LOCATION OF CONTROLS BLADE ROTATION CONTROL: AUTOMATIC DRIVE DISCONNECT: Use the blade rotation Use the auto- control to start and stop the rotation of the blade and also to control matic drive disconnect, located under the seat, to disengage the various accessories, such as a snow thrower.

  • Page 18: Attachments

    OPERATION ATTACHMENTS weight is 250 pounds. Gross weight is the weight of the attachment or trailer and any load that might be on or in it. This unit can use many different attachments. See the attachment page in this book. This unit can pull attachments like a lawn Do not operate on a slope that is greater than 10 degrees when sweeper, a lawn aerator, a hopper spreader or a small trailer.

  • Page 19: How To Use The Throttle Control

    OPERATION HOW TO USE THE THROTTLE CONTROL Before you ride the unit across a sidewalk or a road, move the blade rotation control to the DISENGAGE position. Use the throttle control to increase or decrease the speed of the Before operating in reverse, move the blade rotation control to engine.

  • Page 20: How To Use The Speed Control Pedal

    OPERATION HOW TO USE THE SPEED CONTROL PEDAL HOW TO DRIVE IN REVERSE Look to the rear. The drive system uses a Hydrostatic Automatic Drive transmission. The Hydrostatic transmission is very easy to operate. This type of Slowly push the speed control pedal to the REVERSE drive system does not require a shift lever or a clutch pedal.

  • Page 21: How To Set The Parking Brake

    OPERATION HOW TO SET THE PARKING BRAKE Completely push the brake pedal forward. Lift the parking brake lever (Figure 11). Remove your foot from the brake pedal and then release the parking brake lever. Make sure the parking brake will hold the unit.

  • Page 22: How To Operate With The Mower Housing

    OPERATION HOW TO OPERATE WITH THE MOWER HOUSING WARNING: The deflector is a safety device. Do not re- Move the throttle control to the SLOW position. move the deflector. The deflector forces the dis- Move the blade rotation control to the ENGAGE position. charged material toward the ground.

  • Page 23: Before Starting The Engine

    OPERATION BEFORE STARTING THE ENGINE CAUTION: A mixture of alcohol (ethanol or methanol) and gasoline (called gasohol), will attract moisture and cause acid deposits during storage. While the unit is in storage, the acids CHECK THE OIL in the fuel can damage the fuel system. NOTE: The engine was shipped from the factory filled with oil.

  • Page 24: Operating Tips

    OPERATION OPERATING TIPS Check the blade rotation control for correct adjustment. For the Before you make an inspection, adjustment (except for the car- blade(s) to disengage correctly, the adjustment must be cor- buretor) or repair, make sure the wire from the spark plug is dis- rect.

  • Page 25: Maintenance

    MAINTENANCE MAINTENANCE CHART FREQUENCY MAINTENANCE REQUIRED COMMENTS Daily or before each Maintenance engine. Refer to the Engine Owner’s Manual. Examine blade(s). Check for cracks, wear, and excessive damage. Remove debris from unit and mowing area Examine all rotating and sliding parts. Check tire inflation.

  • Page 26: How To Remove And Install The Blade

    MAINTENANCE INSPECT BLADE Tighten the nut that holds the blade to a torque of 35 foot pounds (47,5 N−m). WARNING: Before you inspect or remove the blade, 10. Install the mower housing. See “How To Install The Mower disconnect the wire to the spark plug. If the blade hits Housing”.

  • Page 27: How To Adjust The Blade Rotation Control

    MAINTENANCE Attach the wire to the spark plug. Mow for a short distance and HOW TO ADJUST THE BLADE ROTATION CONTROL again check the quality of cut. If necessary, move the blade drive spring to the bottom hole. WARNING: To prevent an injury, the blade rotation control must operate correctly.

  • Page 28: How To Check And Adjust The Motion Drive Belt

    MAINTENANCE HOW TO CHECK AND ADJUST THE MOTION DRIVE BELT If the motion drive belt is loose, the belt will slip when; (1) going up If the belt still slips after the belt has been adjusted, then the motion drive belt is worn or damaged and must be replaced. a hill, (2) pulling a heavy load, or (3) the unit will not move forward.

  • Page 29: How To Check And Adjust The Drive Brake

    MAINTENANCE HOW TO CHECK AND ADJUST THE DRIVE BRAKE Completely push the brake pedal forward. Set the parking brake. Drive Brake Move the automatic drive disconnect to the PUSH position. Push the unit. If the rear wheels rotate, adjust or replace the brake pads. Adjust the drive brake as follows.

  • Page 30: Where To Lubricate

    MAINTENANCE WHERE TO LUBRICATE Apply grease with a brush to the areas shown. Lubricate the areas shown with engine oil. NOTE: Apply grease to the steering gear assembly. CAUTION: If the unit is operated in dry areas that have sand, use a dry graphite spray to lubricate the unit.

  • Page 31: How To Remove The Mower Housing

    MAINTENANCE HOW TO REMOVE THE MOWER HOUSING HOW TO INSTALL THE MOWER HOUSING Move the blade rotation control to the DISENGAGE position. Push the mower housing under the right side of the unit. If equipped, remove the gauge wheels. Put the mower drive belt around the stack pulley. Make sure Move the lift lever to the level the “V”...

  • Page 32: How To Adjust The Gauge Wheels

    MAINTENANCE HOW TO ADJUST THE GAUGE WHEELS The axle bolts for the gauge wheels were mounted in the LOW cut position. To change the position of the gauge wheels, move the axle bolts as follows. Gauge Wheel IMPORTANT: Before you adjust the gauge wheels, you must do Axle Bolt the following.

  • Page 33: How To Level The Mower Housing

    MAINTENANCE HOW TO LEVEL THE MOWER HOUSING If the mower housing is level, the blade will cut easier and the lawn will look better. WARNING: Before you make an inspection, adjust- ment, or repair to the unit, disconnect the wire to the spark plug.

  • Page 34: How To Replace The Motion Drive Belt

    MAINTENANCE HOW TO REPLACE THE MOTION DRIVE BELT Check the routing of the motion drive belt (Figure 36). Make sure the motion drive belt is installed correctly on the idler REMOVAL pulleys and inside all belt guides. Remove the mower housing. See the instructions on “How To Attach the steering shaft assembly to the steering plate with two screws (Figure 35).

  • Page 35: How To Replace The Mower Drive Belt

    MAINTENANCE HOW TO REPLACE THE MOWER DRIVE BELT Remove the mower housing. See the instructions on “How To Pull the belt retainer away from the left mandrel pulley. Put Remove The Mower Housing”. the belt around the left mandrel pulley. Pull the belt retainer away from the idler pulley and remove Pull the belt retainer away from the idler pulley.

  • Page 36: How To Install The Wheels

    MAINTENANCE HOW TO INSTALL THE WHEELS Cotter Pin If the wheels must be removed for service, make sure they are Hub Cap installed as follows. Washer Washer Front Wheel Make sure the valve stem is to the outside of the tractor. Slide the front wheel on the spindle (See Figure 38).

  • Page 37: How To Replace The Fuse

    MAINTENANCE HOW TO REPLACE THE FUSE Install a new light bulb. Align the light socket with the notches in the bezel and turn the light socket to lock in position. If the fuse is blown, the engine will not start. The location of the fuse is next to the battery.

  • Page 38: Trouble Shooting Chart

    TROUBLE SHOOTING CHART PROBLEM: The engine will not start. Adjust the carburetor. Replace the fuel filter. Follow the steps, “How To Start The Engine” in this book. Electric−Start Models: Clean the battery terminals. Tighten the PROBLEM: Excessive vibration. cables. Replace the blade. Drain the fuel tank.

  • Page 39: Slope Guide

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  • Page 43: Index

    INDEX Spark Arrester, 16, 25 Cutting Height, 21 Starting, 23 Install, 31 Storage, 37 Level Adjustment, 33 Adjustments Throttle Control, 19 Operation, 22 Blade Rotation Control, 27 Remove, 31 Clutch, 28 Drive Brake, 29 Muffler, 25 Mower Housing, Level, 33 Spark Arrester, 25 Filter, Fuel, 30 Assembly...
  • Page 44 1740333SM...

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