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Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest engine authorized 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. ANUAL Automatic Lawn Tractor Models 607 FORM NO. 770-10131A (10/99)
As with any type of power equipment, carelessness or error on the part of the operator can result in serious injury. This lawn mower is capable of amputating hands and feet and throwing objects. Failure to observe the following safety instructions could result in serious injury or death.
• Disengage all attachment clutches, thoroughly depress the brake pedal, and shift into neutral before attempting to start engine. • Your mower is designed to cut normal residential grass of a height no more than 10". Do not attempt to mow through unusually tall, dry grass (e.g., pasture) or piles of dry leaves.
• Keep all nuts, bolts and screws tight to be sure the equipment is in safe working condition. • Never tamper with safety devices. Check their proper operation regularly. Use all guards as instructed in this manual. • After striking a foreign object, stop the engine, remove the wire from the spark plug and thoroughly inspect the mower for any damage.
SECTION 5: ATTACHMENTS & ACCESSORIES MODEL NUMBER OEM-190-601 FastAttach OEM-190-602 FastAttach OEM-190-112 Mulch Kit (For 42-inch Decks Only) OEM-190-118 Mulch Kit (For 46-inch Decks Only) OEM-190-603 FastAttach OEM-190-604 YardMate ™ OEM-190-822 FastAttach OEM-190-823 42-inch Two-stage Snow Thrower NOTE: Your tractor is NOT designed for use with any type of ground-engaging attachments (e.g. tiller, plow).
SECTION 7: CONTROLS Ignition Switch Throttle Control Lever Choke Control (if so equipped) Indicator Monitor Lift Lever NOTE: Any reference in this manual to the RIGHT or LEFT side of the tractor is observed from operator’s position. NOTE: Steering Wheel not shown for clarity Figure 3 PTO (Power Take-Off) Lever G Drive Pedal...
IGNITION SWITCH To start the engine, insert key into the ignition switch and turn clockwise to the START position. Release key to the ON position once engine has fired. See Figure 4. Refer to STARTING THE ENGINE in the OPERATION section of this manual for detailed starting instructions.
LIFT LEVER The lift lever is used to change the operating position (height) of the cutting deck. To operate, move the lever to the left, then place in the notch best suited for your application. PTO (POWER TAKE-OFF) LEVER The PTO lever is located on the left side of the dash next to the steering wheel.
SECTION 8: OPERATION SAFETY INTERLOCK SWITCHES This tractor is equipped with a safety interlock system for the protection of the operator. If the interlock system should ever malfunction, do not operate the tractor. Contact an authorized dealer in your area. The safety interlock system prevents the engine from cranking or starting unless the brake pedal is fully depressed, and the PTO lever is in the disengaged (OFF) position.
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NOTE: Do NOT leave the choke control out while operating the tractor. Doing so will result in a "rich" fuel mixture and cause the engine to run poorly. STOPPING THE ENGINE • Place the PTO lever in the disengaged (OFF) position •...
USING THE LIFT LEVER To raise the cutting deck, move the lift lever to the left, then place it in the notch best suited for your application. Refer to SETTING THE CUTTING HEIGHT earlier in this section. ENGAGING THE PTO (POWER TAKE-OFF) LEVER •...
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• Determine approximate necessary for proper adjustment and proceed, if necessary, to the next step. • Loosen the two jam nuts on the rear side of the deck stabilizer bracket. See Figure 7A. Side to Side If the cutting deck appears to be mowing unevenly, a side-to-side adjustment can be performed. Adjust if necessary as follows: WARNING: Turn the tractor’s engine off, remove the key from the ignition switch and apply the...
BRAKE ADJUSTMENT If the tractor does not come to a complete stop when the brake pedal is completely depressed, or if the tractor’s rear wheels can roll with the parking brake applied, the brake is in need of adjustment. The brake disc can be found on the right side of the transmission in the rear of the tractor.
CARBURETOR ADJUSTMENT WARNING: made to the engine while the engine is running (e.g. carburetor), disengage all clutches and blades. Keep clear of all moving parts. careful surfaces and muffler. SECTION 10: MAINTENANCE WARNING: Disconnect the spark plug wire(s) and ground against the engine before performing any adjustments, repairs or maintenance.
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CUTTING DECK REMOVAL WARNING: Before maintenance, move the PTO lever into the disengaged (OFF) position, engage the parking brake, turn the ignition key to the OFF position and remove the key from the switch to avoid accidental starting Several attachments are available for your tractor. To mount some of these attachments and in order to perform certain maintenance procedures, the deck must be removed from the tractor.
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.
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Belt Guard (mounted on tractor) Engine Pulley PTO Idler Pulleys Deck Idler Pulley Left Hand Double Pulley NOTE: Left hand belt cover not shown for clarity. 46-inch deck shown. PTO (Top) Belt Deck (Bottom) Belt 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.
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Lower Drive Belt NOTE: Proper removal of the lower drive belt requires the removal of several tractor components. Read through the following procedure prior to attempting it to determine if you feel you could successfully complete it. If you don’t, see an authorized MTD service dealer to have the belt changed. IMPORTANT: Note the routing of the lower drive belt around both the pulleys and the belt keepers BEFORE performing the following steps.
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Hole Front of Tractor NOTE: View shown from above tractor. Figure 17 Adjust the drive pedal after replacing the drive belts on your tractor, if necessary, as follows: • Locate the speed control assembly on the underside of the steering support bracket. See Figure 18.
It is extremely important that each cutting blade edge be ground equally to maintain proper blade balance. An unbalanced blade will cause excessive vibration when rotating at high speeds, may cause damage to the tractor and result in personal injury. The blade can be tested by balancing it on a blade balancer or round shaft screwdriver.
SECTION 12: TROUBLESHOOTING GUIDE Possible Trouble Cause(s) Engine will Safety switch There are three safety switches in the starting circuit of your unit: the brake pedal not crank button not switch, the PTO switch and the seat switch. Make certain the actuator on the brake depressed.
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REF. †Units with B&S Single-cylinder (I/C or OHV) engines have NO choke knob/cable. The choke is activated with the throttle control. ‡Units with B&S Single-cylinder (I/C or OHV) engines have NO hood plenum. PART DESCRIPTION 710-0604A Self-tapping Screw, 5/16-18 x .625 710-0788 Self-tapping Screw, 1/4-20 x 1.0 710-0895...
REF. PART DESCRIPTION 683-0304 Lower Frame Assembly 710-0604A Self-tapping Screw, 16-18 x .625 783-0726A RH Pivot Support Bracket 783-0727 LH Pivot Support Bracket 783-0728 Pivot Bar Bracket 710-0514 Hex Cap Screw, 3/8-16 x 1 (Grade 5) 711-1409A LH Drag Link 711-1408 RH Drag Link 712-0240...
REF. PART DESCRIPTION 783-1015 Shift Lever Support 17840 Transaxle Mounting Bracket 618-0307C Single-speed Transmission Assembly 631-0009 Shifter Knob 647-0045 Shift Lever 656-0048 Variable-speed Pulley Assembly 656-0051A Transmission Pulley, 8.5 x .5-36 683-0251 Double-idler Bracket 710-0176 Hex Cap Screw, 5/16-18 x 2.75 710-0227 Self-tapping Screw, #8-18 x .5 710-0347...
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Models 607, 608 & 609 Units with 618-0307C Transmission ONLY...
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REF. 12a 736-0336 12b 736-0337 12c 736-0349 *If rebuilding transmission for any reason, use applicable flat washer (12a, 12b, or 12c) in this application allowing proper end play as instructed in MTD ’s Service Manual. IMPORTANT: One of two different transmissions may be found on your lawn tractor (618-0307B & 618-0307C). Refer to the model plate found on the rear right portion of the transmission’s lower housing before ordering replacement service parts.
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Models 607, 608 & 609 Hook spring, Ref. 58, here 30 (PTO belt for 42" deck shown)
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REF. PART DESCRIPTION 712-0431 Flange Lock Nut, 3/8-16 732-0996 Compression Spring, 1.31 x 3.0 783-0733 Spacer Cup, 1.5 OD 732-0997 Compression Spring, .66 OD x 1.5 710-0604A Self-tapping Screw, 5/16-18 x .625 710-0751 Hex Cap Screw, 1/4-20 x .62 712-0271 Hex Sems Nut, 1/4-20 712-3044 Wing Nut, 1/4-20...
MANUFACTURER’S LIMITED WARRANTY FOR: The limited warranty set forth below is given by MTD PRODUCTS INC (“MTD”) with respect to new merchandise purchased and used in the United States, its possessions and territories. MTD warrants this product against defects in material and workmanship for a period of two (2) years commencing on the date of original purchase and will, at its option, repair or replace, free of charge, any part found to be defective in...