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Operator’s Manual Transmatic Lawn Tractors Model Series 660 thru 679 IMPORTANT: Read safety rules and instructions carefully before operating equipment. 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).
SECTION 1: 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.
• Your mower is designed to cut normal residential • Do not use grass catcher on steep slopes. grass of a height no more than 10". Do not attempt CHILDREN to mow through unusually tall, dry grass (e.g., pasture) or piles of dry leaves. Debris may build up Tragic accidents can occur if the operator is not alert to on the mower deck or contact the engine exhaust the presence of children.
• We do not recommend the use of pressure • Check brake operation frequently. Adjust and washers or garden hose to clean your unit. They service as required. may cause damage to electric components, • Muffler, engine and belt guards become hot during spindles, pulleys, bearings or the engine.
SECTION 2: UNPACKING To Remove Unit From Crate • Loose parts (may include the operator’s guide, steering wheel, optional oil drain sleeve or hose, • Remove all screws from the top of the crate using a battery fluid, chute deflector, optional mulching 1/4"...
Battery Identification CHARGE THE BATTERY after the 30 minute standing period. Battery P/N 725-1705D—Charge at 2-3 amps for one hour. Battery P/N 725-1707D, 725-0453G and 725-1750—Charge at 6 amps for one hour. NOTE: If you charge the battery at a lower AMP rate, use a hydrometer to make sure the battery is completely charged.
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Attaching The Seat There are two different seat pivot brackets used on this Screws series of lawn tractor, a manual adjustment seat or a quick adjustment seat. See Figure 2 and 3 to identify which seat is on your unit. Follow the instructions which apply to your lawn tractor.
NOTE: Your mowing deck may be equipped with an optional mulching plug. Remove the mulching plug by Cupped removing the wing nut on top of the deck. Grasp the Washers Hex Nuts mulching plug and pull out of the deck. •...
Installing The Battery • When deck is level, secure end of adjustable lift link with flat washer and hairpin clip. (Type “A” Battery) Positive Terminal NOTE: If battery is put into service after date shown on (Inside Rubber Boot) top of battery, charge for minimum of 1 hour at 6-10 amps Battery •...
SECTION 4: KNOW YOUR LAWN TRACTOR Ignition Switch Ammeter (If Equipped) The ignition switch is located on the dashboard. Turn The ammeter registers the rate of battery charge or the key to the START position to start the engine. When discharge.
Cutting Controls NOTE: The clutch-brake pedal must be depressed to start the engine. Lift Lever Parking Brake The lift lever is used to raise and lower the cutting deck and to engage and disengage the blades. Pulling it all The speed control lever is used to set the parking the way back and locking it disengages the blades.
Gas And Oil Fill-up NOTE: If any problems are encountered, refer to the Trouble Shooting Guide. Check the oil level and add if necessary. Service the engine with gasoline as instructed in the Operating The Lawn Tractor separate engine manual packed with your tractor. •...
Grass Collector Available WARNING: Keep feet and hands away from the discharge opening, the blades or Grass Collector Model OEM-190-063 is available as any part of the deck. When the unit is optional equipment for lawn tractors with 38" and 42" used for anything other than mowing decks.
Check the adjustment by placing the lift lever in the BLADES STOP position. The deck should move up and forward, allowing the belt to become loose. Start and test for disengagement. Repeat procedure as necessary. Neutral Slot Shift Stabilizer Shaft Disengagement Lever Assembly...
Speed Control Lever Speed Ferrule Control Variable Speed Torque Bracket Back of Assembly Slot Hairpin Clip Speed and Flat Washer Control Cotter Pin Speed Link and Flat Washer Control Stop Rod Lever Speed Control Back of Slot Ferrule Hairpin Clip and Flat Washer Brake Ferrule...
To adjust the toe-in, follow these steps. • Remove the hex nut and lock washer, and drop the end of the tie rod from the axle bracket. See Figure • Loosen the hex jam nut on tie rod. • Adjust the tie rod assembly for correct toe-in. Front Wheel Bracket...
Linkage Pivot Points Once a season lubricate all the pivot points on the Lubricate all pivot points with light oil at least once a clutch, brake and lift linkage with SAE 30 engine oil. season. Wheels Ball Joints The front wheels may be provided with optional grease The ball joints and drag link ends are permanently fittings.
Fuel Filter Battery Care And Maintenance (Type “A” Battery) Your unit is equipped with a replaceable in-line fuel filter. Replace filter whenever contamination or Type “A” batteries are sealed and are maintenance discoloration is noticed. Order replacement filter free. through your authorized engine service dealer. Battery Care And Maintenance (Type “B”...
WARNING: Failure to use this procedure NOTE: When reassembling, make certain belt keeper could cause sparking, and the gas in pins are assembled in the same locations from which either battery could explode. they were removed. See Figure 23. • Place the lift lever in the BLADES STOP position.
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• Disconnect the spring which is attached to a • Push the idler pulley toward the right side of the bracket on the transaxle, inside the right rear wheel. unit. Lift the belt over the idler pulley. See Figure Use a spring puller or other suitable tool. •...
• Place the clutch-brake pedal in park position. • Push forward on the variable speed pulley, lift the belt off the engine pulley, and remove the belt from Variable the pulley. Speed Pulley • Release the clutch-brake pedal. Using the pedal to move the variable speed pulley as necessary, lift the belt up and off the variable speed pulley.
SECTION 10: TROUBLE SHOOTING GUIDE Possible Trouble Corrective Action Cause(s) Engine will Safety switch There are two switches in the starting circuit of your unit: the clutch pedal switch and not crank button not the deck lift lever switch. Make certain the actuator is fully depressing the buttons on depressed.
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SECTION 11: OPTIONAL EQUIPMENT At the time of manufacture of lawn tractor, the following NOTE: These lawn tractors are not designed for optional equipment is available. ground-engaging equipment (tillers, plows, etc.). NOTE: *Available through your local dealer or from Agri-Fab Inc., 303 W. Raymond Street, Sullivan, Illinois 61951.
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MANUFACTURER’S LIMITED WARRANTY FOR: c. Routine maintenance items such as lubricants, filters, The limited warranty set forth below is given by MTD blade sharpening and tune-ups, or adjustments such PRODUCTS INC (“MTD”) with respect to new merchandise as brake adjustments, clutch adjustments or deck purchased and used in the United States, its possessions adjustments;...