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Murray 425604 99A 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.
F–040705L
MODEL
425604x99A
BUILT IN THE

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Summary of Contents for Murray 425604 99A Series

  • Page 1 MODEL 425604x99A 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

    For assistance in making such adjustments, consult your Instruction Book. To make a claim under this Murray, Inc. Two (2) Year Limited Warranty, return the unit (or if authorized in advance, the defective part) along with your proof of purchase to an Authorized Service Center near you. To locate the nearest Authorized Service Center, call the Central Parts Distributor for your area shown in the list provided with your unit or check the Yellow Page listings in your local telephone directory.

  • Page 3: 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 4 OWNER’S INFORMATION b. Limit loads to those you can safely control. c. Do not turn sharply. Use care when backing. d. Use counterweights or wheel weights when suggested in the Instruction Book. 19. Do not operate this machine if you are taking drugs or other medication which can cause drowsiness or affect your ability to operate this machine.
  • Page 5 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 6 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 7 SAFE MOWING GUIDE Also, the grass bagger will function better feel new or excessive vibration, a blade that is not sharp or at a slow when the engine is operating at maximum immediately stop the engine and check for engine speed you can damage the grass. speed.
  • Page 8 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 9: 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 10: Assembly

    ASSEMBLY ASSEMBLY WARNING: Before doing any assembly or mainte- nance to the mower, remove the wire from the spark This instruction book is for several models. Some parts or accesso- plug. ries are not included on all models. Read and follow the assembly and adjustment instructions for your mower.

  • Page 11: How To Install The Seat

    ASSEMBLY HOW TO INSTALL THE SEAT Use the fasteners shown below to install the seat. The fasteners are Seat shown at full size. Seat Hinge Carefully remove plastic bag from the seat. Align the holes in the seat Seat hinge to the holes in the Adjusting seat (Figure 1).

  • Page 12: Maintenance Free Battery

    ASSEMBLY MAINTENANCE FREE BATTERY Use a 12 volt battery charger to charge the battery. Charge at a rate of 6 amperes for one hour. If you do not have a battery IMPORTANT: Before you attach the battery cables to the charger, have an authorized service center charge the battery.

  • Page 13: Important! Before You Start Mowing

    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 14: Operation

    OPERATION Throttle Control Lever Blade Rotation Control Brake Pedal Speed Control Pedal Lift Lever Figure 5 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 blades. matic drive disconnect, located under the seat, to disengage the transmission.

  • Page 15: Attachments

    OPERATION ATTACHMENTS For transport and to tow pull behind attachments, control the ground speed with the speed control pedal. This unit can use many different attachments. See the attachment The engine governor is set at the factory for maximum perform- page in this book.

  • Page 16: 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 17: 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 9). Remove your foot from the brake pedal and then release the parking brake lever. Make sure the parking brake will hold the unit.

  • Page 18: 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 19: 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 20: 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 21: 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 22: 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 23: How To Adjust The Blade Rotation Control

    MAINTENANCE HOW TO ADJUST THE BLADE ROTATION CONTROL 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. WARNING: To prevent an injury, the blade rotation control must operate correctly.

  • Page 24: 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 a hill, (2) pulling a heavy load, or (3) the unit will not move forward. Clutch Rod Adjust the belt as follows.

  • Page 25: 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 26: Where To Lubricate

    MAINTENANCE WHERE TO LUBRICATE Models with grease fittings: Lubricate with grease gun. 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 27: 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 28: 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 29: 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 30: How To Replace The Motion Drive Belt

    MAINTENANCE HOW TO REPLACE THE MOTION DRIVE BELT Check the routing of the motion drive belt (Figure 34). 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 33).

  • Page 31: 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 32: 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 36).

  • Page 33: 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 34: Trouble Shooting Chart

    TROUBLE SHOOTING CHART PROBLEM: The engine will not start. Adjust the throttle control. Follow the steps, “How To Start The Engine” in this book. Drain the fuel tank. Clean the fuel line. Replace the fuel filter. Electric–Start Models: Clean the battery terminals. Tighten the PROBLEM: A hot engine causes a decrease in power.

  • Page 35: How To Order Repair Parts

    If you are unable to obtain parts or service in the manner outlined above, then contact: MURRAY, INC., Outdoor Power Equipment, Customer Service Dept., P.O. Box 268, Brentwood, TN 37027 (1-800-251-8007) CANADA MURRAY CANADA, INC., Factory Customer Service, 1195 Coutneypark Drive East, Mississauga, Ont. L5T–1R1 (1-800-661-6662) MURRAY, INC.
  • Page 36 MODEL 425604x99A REPAIR PARTS CHASSIS & HOOD F–040705L...

  • Page 37: Parts List

    MODEL 425604x99A REPAIR PARTS CHASSIS & HOOD Part No. Description Part No. Description 1001028 Seat 26x270 Screw 028x23 Cap, Push 0n 26x238 Screw 094057 Spring 1001491 Bearing, Steering 26x229 Screw 1001593E701 Dash 1001054 Bolt, Wing 26x201 Screw 017x47 Z Washer 093007E701 Panel, Access 009x56...
  • Page 38 MODEL 425604x99A REPAIR PARTS DRIVE ASSEMBLY F–040705L...
  • Page 39 MODEL 425604x99A REPAIR PARTS DRIVE ASSEMBLY Part No. Description Part No. Description 002x78 Screw 092132 Z Nut, Adjusting 091079 Grip, Parking Brake 015x84 Nut, Centerlock 1001245 Z Rod, Parking Brake 030x20 Pin, Cotter 094185E701 Bracket, Transaxle – Left 017x48 Washer 1001013 Z Rod, Clutch 165x92...
  • Page 40 MODEL 425604x99A REPAIR PARTS STEERING F–040705L...
  • Page 41 MODEL 425604x99A REPAIR PARTS STEERING Part No. Description Part No. Description 1001226 Wheel, Steering 17x104 Washer 690625 Post, Steering 017x53 Z Washer 1001441 Cap, Steering Wheel 015x84 Nut, Flange 094124 Bearing 1001460E701 Axle Assembly 15x111 Nut, Flange 095329E701 Drag Link, Left 009x57 Bolt, Shoulder 094575E701...
  • Page 42 MODEL 425604x99A REPAIR PARTS MOWER HOUSING SUSPENSION F–040705L...
  • Page 43 MODEL 425604x99A REPAIR PARTS MOWER HOUSING SUSPENSION Part No. Description Part No. Description 092698 Grip 17x168 Washer 094826 Z Handle, PTO 017x57 Washer 094022 Z Pad, Switch 0031x4 Pin, Hair 0025x3 Bolt 017x91 Z Washer 092697 Grip 002x85 Bolt, Carriage 166x40 Spring 1001111E700...
  • Page 44 MODEL 425604x99A REPAIR PARTS MOWER HOUSING F–040705L...
  • Page 45 MODEL 425604x99A REPAIR PARTS MOWER HOUSING Part No. Description Part No. Description 094199 Pulley, Jackshaft 002x53 Bolt, Carriage 15x140 Nut, Hex 1001200 Mandrell Housing 037x88 Belt, Mower Drive 690539E701 Bracket, Suspension 690387 Pulley, Idler 690411 Adapter, Blade 015x84 Nut, Flange 095100E701 Blade 1001197...
  • Page 46 MODEL 425604x99A REPAIR PARTS ENGINE MOUNT ASSEMBLY F–040705L...
  • Page 47 MODEL 425604x99A REPAIR PARTS ENGINE MOUNT ASSEMBLY Part No. Description Part No. Description 092317 Cap, Fuel ** 01x140 Bolt 690289 Tank, Fuel 711851 Gasket 26x253 Screw 06x103 Bolt 26x229 Screw 690541 Tube, Right Exhaust 26x263 Screw 690542 Tube, Left Exhaust Engine * 690537E700 Bracket, Muffler Mounting...
  • Page 48 MODEL 425604x99A REPAIR PARTS ELECTRICAL SYSTEM AFTERFIRE SOLENOID ARMATURE SPARK PLUG GREEN GREEN STATOR HEADLIGHT HARNESS BLACK ORANGE GRAY YELLOW DIODE CLUTCH BRAKE BLACK AC SWITCH OUTPUT ( PEDAL UP ) RED DC WHITE YELLOW OUTPUT START YELLOW YELLOW SWITCH ORANGE ORANGE SOLENOID...
  • Page 49 MODEL 425604x99A REPAIR PARTS ELECTRICAL SYSTEM Part Description Harness, Light Wire 250x92 Socket, Light 092372 Bulb, Light 090084 Harness, Chassis Wire 250x117 Switch, Ignition 092556 Key, Ignition 020729 Nut, Hex 091489 Cap, Ignition 091488 Switch, Limit 094136 Fuse 302031 Holder, Fuse 407078 Solenoid 094613...

  • Page 50: Slope Guide

    F–040705L...

  • Page 51: Index

    INDEX Throttle Control, 15 Remove, 27 Muffler, 21 Adjustments Spark Arrester, 21 Blade Rotation Control, 23 Filter, Fuel, 26 Clutch, 24 Fuel, Type, 19 Drive Brake, 25 Fuse, 33 Mower Housing, Level, 29 Check, 19 Attachments, 15, 52 Type, 19 Automatic Drive Disconnect, Operation Operation, 16...

  • Page 52: Lawn Tractor Accessories

    LAWN TRACTOR ACCESSORIES Make your Lawn Tractor do more than you ever imagined. The accessories shown on this page can be used on your Lawn Tractor. See the Store or Dealer where you purchased your Lawn Tractor. If you are unable to obtain the necessary information, contact the Central Parts Distribution Center for your area as listed in your Repair Parts Book.

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