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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). If a spark arrester is used, it should be maintained in effective working order by the operator.
In the
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SECTION 1: TABLE OF CONTENTS PAGE FINDING YOUR MODEL NUMBER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 CALLING CUSTOMER SUPPORT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 IMPORTANT SAFE OPERATION PRACTICES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 SAFETY LABLES FOUND ON YOUR UNIT. . . . . . . . . . . . . . .
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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 OF 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. WHEN YOU SEE THIS SYMBOL, HEED ITS WARNING. WARNING: The Engine Exhaust from this product contains chemicals known to the Sta
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• Disengage all attachment clutches, thoroughly 3. CHILDREN 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 • Your mower is designed to cut normal residential machine and the mowing activity. Never assume that chil- grass of a height no more than 10". Do not attempt dren will remain where you last saw them. to mow through unusually tall, dry
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• 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 proper operation regularly. Use all guards as • Observe proper disposal laws and regulations. instructed in this manual. Improper disposal of fluids and materials can harm the environment and the ecology. • After striking a foreign object, stop the
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FOLD ON DOTTED LINE, REPRESENTING A 15° SLOPE 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 15° 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. If operating a walk-behind mower on such a slope, it is extremely difficult to maintain your f
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SECTION 5: ATTACHMENTS & ACCESSORIES MODEL NUMBER DESCRIPTION ™ OEM-190-601 FastAttach Twin Bagger Grass Collector (For 42-inch Decks Only) ™ OEM-190-602 FastAttach Twin Bagger Grass Collector (For 46-inch Decks Only, includes a set of blades) OEM-190-112 Mulch Kit (For 42-inch Decks Only) OEM-190-118 Mulch Kit (For 46-inch Decks Only, includes a set of blades) ™ OEM-190-603 FastAttach Front Bumper Kit ™ OEM-190-604 TracPac Storage Container (mounts on rear of tractor) ™ OEM-190-822 FastAttach
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SECTION 7: CONTROLS B D I M C F A P H G J E K L Steering Wheel not shown for clarity. NOTE: Figure 3 A Ignition Switch H Brake Pedal B Throttle Control Lever I Parking Brake Button C Choke Control (if so equipped) J Shift Lever D Indicator Monitor/Hour Meter K Seat Adjustment Lever E Lift Lever L Cup Holder F PTO (Power Take-Off) Lever M Cruise Control Button ™ G AutoDrive Pedal NOTE: Any reference in this manual to the RIGHT or LEFT side of the tractor is observed from operator’s positi
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IGNITION SWITCH IMPORTANT: When using PTO 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. See Figure 4. Refer to STARTING THE ENGINE in the CHOKE CONTROL OPERATION section of this manual for detailed starting instructions. The ignition switch is
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LIFT LEVER BRAKE PEDAL BRAKE 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. The brake pedal can be used for lever to the left, then place in the notch best suited sudden stops or setting the parking brake. for your application. NOTE: The brake pedal must be fully depressed to PTO (POWER TAKE-OFF) LEVER activate the
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CRUISE CONTROL BUTTON SEAT ADJUSTMENT LEVER The cruise control button is located on To adjust the seat forward or backward, slide the the tractor dash panel to the left of the seat adjustment lever to the left and reposition the ignition switch. Push the cruise control seat to the desired position. Once a comfortable button while traveling forward at a position is found, release the seat adjustment lever desired speed. While holding the to lock the seat in place. Refer to the button in, release
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SETTING THE CUTTING HEIGHT STOPPING THE ENGINE Select the height position of the cutting deck by • Place the PTO lever in the disengaged (OFF) placing the deck lift lever in any of the six different position cutting height notches on the right side of the fender. • Move the throttle control into the SLOW Then adjust the deck wheels so that they are at least (turtle) position and allow the engine to "idle 1/4 inch to 1/2 inch above the ground when the down" for ten seconds. Failure to do so may t
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• While continuing to hold the cruise button in, To turn the tractor’s headlights off: ™ lift your foot from the AutoDrive pedal (you • Turn the key either into the On position (to should feel the cruise latch engage). leave the engine running) or the Off position • If properly engaged, the cruise control button (to shut the engine off). Refer to Figure 4. ™ and the AutoDrive pedal should lock in the IMPORTANT: Never move the key into the Start down position, and the tractor will maintain the p
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• Do not cut the grass too short. Short grass MOWING invites weed growth and yellows quickly in dry This tractor is equipped with one of MTD’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. tractor. • Do not mow at high ground speed, especially WARNING: To avoid possible injury, do if a mulch kit or grass collector is installed. not allow anyone in the area of t
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• 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. • Loosen, but do NOT remove, the hex cap screw on the left deck hanger bracket. See Figure 7B. • Balance the deck so that both blade tip measurements taken earlier are equal. • Retighten the hex cap screw on the left deck hanger bracket when proper adjustment is achiev
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Front tire toe-in can be measured as follows: BRAKE ADJUSTMENT • Place the steering wheel in position for 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 steering tractor’s rear wheels can roll with the parking brake gear and support plate. See Figure 10. applied, the brake is in need of adjustment. The brake disc can be found on the right side of the transmiss
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• Locate the PTO engagement rod and the PTO • Reinsert the PTO engagement rod into the adjuster link by looking at the tractor’s hole in the PTO adjuster link and reinsert the underside. See Figure 12. cotter pin removed earlier (if undamaged). • Remove the cotter pin that affixes the lower end of the PTO engagement rod to the PTO adjuster link. Save the pin. See Figure 12. • Take the lower end of the PTO engagement rod out of the hole in the PTO adjuster link and move the rod as far back into
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• Lower the deck by moving the lift lever into the CLEANING THE ENGINE AND DECK 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. Do NOT allow grass, leaves, and toward the discharge chute to relieve tension dirt to accumulate around the cooling fins of the on the belt. Remove the deck belt from the engine or on any other part of the machine, bottom portion of the engine pulley and from especia
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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. For a proper working machine, use factory approved belts. To change or replace the deck belt(s) on your tractor, proceed as follows: NOTE: Removing the deck from the
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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 proper procedure. • Remount the belt guards removed earlier. 42-Inch Deck 46-Inch Deck PTO (Top) Belt 754-0472 754-0476 Bottom Belt N/A 754-0349 CHANGING THE TRANSMISSION DRIVE 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. IMPORTAN
