Yard-Man AutoDrive 604 Operator's Manual
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Yard-Man AutoDrive 604 Operator's Manual

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YaRD'MaN
OPERATOR'S
MANUAL
AutoDrive
TM
Lawn Tractor
Model 604
IMPORTANT:
READ SAFETY
RULES AND INSTRUCTIONS
CAREFULLY
Warning:
This unit is equipped with an internal combustion engine and should not be used on or near any unimproved 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 should be maintained in effective working order by thoperefor.
In the State of California the above is required by law (Section 4442 of the California Public Resources Code). Other states mphave
similar laws. Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest engine ald_orizod
service dealer or contact the service department, P.O. Box 368022 Cleveland, Ohio 44136-9722.
MTD PRODUCTS
INC. P.O. BOX 368022 CLEVELAND,
OHIO 44136-9722
PRINTED IN U,S.A.
FORM NO. 770-10079
(12/98)

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Summary of Contents for Yard-Man AutoDrive 604

  • Page 1 YaRD'MaN OPERATOR'S MANUAL AutoDrive Lawn Tractor Model 604 IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved 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).
  • Page 2 SECTION 1: TABLE OF CONTENTS PAGE FtNDING YOUR MODEL NUMBER ............CALLING CUSTOMER SUPPORT ............IMPORTANT SAFE OPERATION PRACTICES ..........SAFETY LABLES FOUND ON YOUR UNIT..........SLOPE GAUGE ..............ATTACHMENTS & ACCESSORIES ............TRACTOR SET-UP ..............CONTROLS ................. OPERATION................ ADJUSTMENTS ..............MAINTENANCE ..............
  • Page 3 SECTION 4: IMPORTANT SAFE OPERATION PRACTICES WARNING: THIS SYMBOL POINTS OUT IMPORTANT SAFETY INSTRUCTIONS WHICH, IF NOT FOLLOWED, COULD ENDANGER THE PERSONAL SAFETY AND/OR PROPERTY YOURSELF AND OTHERS. READ AND FOLLOW ALL INSTRUCTIONS IN THIS MANUAL BEFORE ATTEMPTING TO OPERATE YOUR LAWN MOWER. FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.
  • Page 4 3. CHILDREN • Disengage attachment clutches, thoroughly depress the brake pedal, and shift into neutral Tragic accidents can occur if the operator is not alert to the before attempting to start engine. presence of children. Children are often attracted to the •...
  • Page 5 • Keep all nuts, bolts and screws tight to be sure the Do not change the engine governor settings or equipment is in safe working condition. overspeed the engine. Excessive engine speeds are dangerous. • Never tamper with safety devices. Check their Observe...
  • Page 6 USE THIS PAGE AS A GUIDE TO DETERMINE SLOPES WHERE YOU MAY NOT OPERATE SAFELY. SIGHT AND HOLD THIS LEVEL WITH A VERTICAL TREE A POWER POLE A CORNER OF A BUILDING OR A FENCE POST WARNING Do not mow on inclines with a slope in excess of 15 degrees (a rise of approximately 2-1/2 feet every 10 feet). A riding mower could overturn and cause serious injury.
  • Page 7 SECTION 5: ATTACHMENTS & ACCESSORIES DESCRIPTION MODEL NUMBER OEM-190-60t FastAttach- Twin Bagger Grass Collector (For 42-inch Decks Only) 0EM-190-602 Fast.Attach-Twin Bagger Grass Collector (For 46-inch Decks Only, includes a set of blades) OEM-190-112 Mulch Kit (For 42-inch Decks Only) 0EM-190-118 Mulch Kit (For 46-inch Decks Only, includes a set of blades) OEM-190-603 FastAttach- Front Bumper Kit...
  • Page 8 SECTION 7: CONTROLS NOTE: Steering Wheel not shown for clarity. Figure 3 Brake Pedal Ignition Switch Throttle Control Lever Parking Brake Button Shift Lever Choke Control (if so equipped) Indicator Monitor/Hour Meter Seat Adjustment Lever Lift Lever Cup Holder Cruise Control Button PTO (Power Take-Oft) Lever AutoDrive- Pedal...

  • Page 9: Ignition Switch

    IMPORTANT: IGNITION SWITCH When using operated equipment such as the cutting deck or other To start the engine, insert key into the ignition switch attachments, always operate the tractor with the and turn clockwise to the START position. Release throttle lever in the FAST (rabbit) position. key to the ON position once engine has fired.
  • Page 10 BRAKE PEDAL LIFT LEVER The brake pedal is located on the right front side of The lift lever is used to change the operating position the tractor above the AutoDrive- pedal along the (height) of the cutting deck. To operate, move the running board.
  • Page 11 CRUISE CONTROL BU'I-rON SEAT ADJUSTMENT LEVER The cruise control button is located on To adjust the seat forward or backward, slide the seat adjustment lever to the left and reposition the the tractor dash panel to the left of the seat to the desired position.
  • Page 12 STOPPING THE ENGINE SETTING THE CUTTING HEIGHT Place the PTO lever in the disengaged (OFF) Select the height position of the cutting deck by position placing the deck lift lever in any of the six different cutting height notches on the right side of the fender. Move the throttle control...
  • Page 13 • To turn the tractor's headlights off: While continuing to hold the cruise button in, lift your foot from the AutoDdve- pedal (you • Tum the key either into the On position (to should feel the cruise latch engage). leave the engine running) or the Off position (to shut the engine off).
  • Page 14 MOWING Do not cut the grass too short. Short grass invites weed growth and yellows quickly in dry This tractor is equipped with one of MT_s high weather. quality cutting decks. The following information will • Mowing should always be done with the be helpful when using the cutting deck with your engine at full throttle.
  • Page 15 • Measure the distance from the outside of the left blade tip to the ground and the distance from the outside of the right blade tip to the ground. Both measurements taken should be equal. If they're not, proceed to the next step. •...
  • Page 16 Fronttire BRAKE ADJUSTMENT toe-in can be measured as follows: • Place steering wheel in position If the tractor does not come to a complete stop when straight ahead travel. Insert a 1/4" dowel up the brake pedal is completely depressed, or if the through aligning holes in both the steedng...
  • Page 17 • Locate the • Reinsert the Fro engagement rod into the PTO engagement rod and the PTO hole in the FrO adjuster link and reinsert the adjuster link looking tractor's cotter pin removed earlier (if undamaged). underside. See Figure 12. •...
  • Page 18 CLEANING THE ENGINE AND DECK • Lower the deck by moving the lift lever into the bottom notch on the right fender. Any fuel or oil spilled on the machine should be • Grasp the PTO idler pulley bracket and pivot it wiped off promptly.
  • Page 19 CHANGING THE DECK BELT(S) All belts on your tractor are subject to wear and should be replaced if any signs of cracking, shredding or rotting are present. IMPORTANT: The V-belts found on your tractor are specially designed to engage and disengage safely. A substitute (non-OEM) V-belt can be dangerous by not disengaging completely.
  • Page 20 IMPORTANT: it is recommended that the PTO be readjusted after replacing the deck belt. Refer to PTO (POWER TAKE-OFF) ADJUSTMENT in the ADJUSTMENTS section of this manual for the properpmcedure. • Remount the belt guards removed earlier. 42-Inch Deck 46-Inch Deck 754-0472 754-0476 PTO (Top) Belt...
  • Page 21 Battery Tray • Drive belt (Lower) Shift Lever Variable-speed Opening Rear Idler Pulley • Drive belt (Upper) Front Idler Pulley "Z2Z2222_-_-_ Belt Keeper :" Auto - pedal Engine Pulley Transmission Transmission Pulley Front of Tractor NOTE: View shownfrom above tractor, Figure 16 •...
  • Page 22 • Remove t he two hex bolts (from both sides of Idler Place Wrenches Here the tractor) that affix the PTO actuator bracket to the tractor frame. See Figure 19. Return Bracket © lips Speed Control AutoDdve- Pedal Assembly Return Spring PTO Actuator Deck Stop Figure 21...
  • Page 23 IMPORTANT: Use a torque wrench to tighten the NOTE: The hex flange nut has a right-handed blade spindle hex flange nut to between 70 foot- thread pattern. Do NOT attempt to force the nut in pounds and 90 foot-pounds. the incorrect direction. Doing so may damage the nut and create a safety hazard.
  • Page 24 TIRES manufacturer's recommended psi. recommended operating tire pressure overinflate. Uneven tire pressure could cause the approximately 10 psi for the rear tires and 14 psi for the front tires. Refer to the tire sidewall for exact tire cutting deck to mow unevenly. SECTION 11: LUBRICATION engine before performing any maintenance.
  • Page 25 SECTION 12: TROUBLESHOOTING GUIDE Possible Trouble Corrective Action Cause(s) There are two safety switches in the starting circuit of your unit: the brake pedal switcf Safety switch Engine will and the PTO switch. Make certain the actuator is fully depressing the buttons on eact button not not crank switch.
  • Page 26 Model 604 .÷ REF. PART DESCRIPTION 625-0051 Bul_Socket Headlight Assembly 725-1739 Bulb Only Socket Only 725-1649 629-0913 Wiring Harness 629-0924 Harness Adapter (for Kohler engines) 710-0599 Self Tapping Screw, 1/4-20 x .5 712-3006 Hex Nut, 1/4-20 725-1426 Solenoid, 12-volt, 100 Amp 725-1657A Snap Mount Safety Interlock Switch 725-1741...
  • Page 27 Electrical System/Tractor Body 24 S ;RER PART REF. PART DESCRIPTION DESCRIPTION 783-0808 710-0768 Heat Shield, 4-style Self Tapping Screw, 1/4-20 x 1.0 710-0599 710-0604 Self Tapping Screw, 5/16-18 x .625 Self Tapping Screw, 1/4-20 x .5 710-1017 710-0751 Torx Self Tapping Screw, 1/4-14 x .625 Hex Cap Screw, 1/4-20 x .62 710-3217 710-0895...
  • Page 28 Model 604...
  • Page 29 For instance, if a part numbered 700-xxxx is painted Ysrd-Man Green, the part number to order would be 700-xxxx-0665. Yard-Man Green: 0665 Yard-Man Yellow: 0674 Powder Black: 0637...
  • Page 30 Model 604 _""...
  • Page 31 For instance, if a part numbered 700-xxxx is painted Yard-Man Green, the pad number to order would be 700-xxxx-0665. Yard-Man Green: 0665 Yard-Man Yellow: 0674 Powder Black: 0637...
  • Page 32 Model 604 •. 18., 36.., ° /281 r" 52 " > -.,j...
  • Page 33 Drive System PART REF. PART DESCRIPTION DESCRIPTION 754-0467 Shift Lever Bracket Variable-speed Belt 17839 754-0468 Drive Belt 17840 Transaxle Mounting Bracket 756-0981 Flat Idler, 2.75 OD 618-0386 Single-apeed Transmission Assembly 783-0637 Shifter Knob i Shift Lever Support 631-0009 783-0667 Shift Lever Transmission Torque Bracket 647-0041 783-0669...
  • Page 34 Model 604 ,.26 "-9 "20 "33...
  • Page 35 For instance, if a part numbered 700-xxxx is painted Yard-Man Green, the part number to order would be 700-xxxx-0665. Yard-Man Green: 0665 Yard-Man Yellow: 0674 Powder Black: 0637...
  • Page 36 Model 604 46-inch Deck ® 42-inch Deck 25J26...
  • Page 37 Please add the applicable color code, wherever needed, to the part number to order a replacement part. For instance, if a part numbered 700-xxxx is painted Yard-Man Green, the part number to order would be 700-xxxx*0665. Yard-Man Green: 0666...
  • Page 38 Model 604 (d_ector must face forward) Kohler Single-cylinder (deflectormust face Ion_rd)
  • Page 39 Engine Accessories Briggs & Stratton Intek Single _EF. PART PART DESCRIPTION DESCRIPTION r51-3141 Oil Drain Hose 710-0148 Self Tapping Screw, #8-32 x .375 751-3142 Oil Drain Cap 710-0599 Serf Tapping Screw, 1/4-20 x .5 : 783-0615 Muffler Heat Shield 710-0604 Self Tapping Screw, 5/16-18 x .625 783-0625A 710-1237...

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