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Summer Winter
Fall
Spring
Thank you for purchasing an American-built product,
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 State of California the above is
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Your unit was built to be operated according to the rules for safe operation in this manual. As with any type of power equipment, carelessness or error on the part of the operator can result in serious injury. DANGER: If you violate any of these rules, you may cause serious injury to yourself or others. 1. READ THIS OWNER'S MANUAL carefully in its entirety before at- 18. For your safety, use the slope gauge included as part of this manual tempting to assemble or operate this unit. Keep this manu
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32. When using the vehicle with mower, proceed as follows: 34. Look behind to make sure the area is clear before placing the A. Mow only in daylight or in good artificial light. transmission in reverse and continue looking behind while back- B. Never make a cutting height adjustment while engine is running ing up. Disengage blades before shifting into reverse and backing if operator must dismount to do so. up. C. Shut the engine off and wait until the blade comes to a com- 35. This unit should n
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ACTIVATING THE BATTERY Do not activate battery (fill with battery acid) until battery is actually placed in service. Be certain to read previous warnings before activating the battery. NOTE: Some units may have the battery and battery hardware packed with the battery fluid. 1. Lift the seat. Remove the battery cover by press-~ing in on the sides and lifting up. See figure 2 in- set. Remove the battery from the rear frame. 2. Open the battery pack. Be careful not to puncture the box. It contains
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INSTALLING THE BATTERY Negative 1. Raise the seat. Terminal j, /~ "" 2. Make certain the positive cable (heavy red wire) and negative cable (heavy black wire) are routed Battery / Positive outside the battery opening. Drain 0\ Terminal Tube-j 3. Place the battery inside the opening so that the positive terminal is toward the front of the unit. See figure 3. Route the battery drain tube down beside the battery. J'r 4. Remove the hex bolt from the positive (+) terminal. Place the positive cable on
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Model 734G Only: tom of the steering wheel (6 o'clock position). Model 734G is equipped with indicator lights, located Secure with the cupped washer (cupped side in the steering wheel. The steering wheel must beassembled down) and hex lock nut removed in step 1. as follows for proper operation of the in-dicator 4. Place the indicator wires through the cable tie lights. located underneath the steering wheel insert. Con- 1. Remove the hex lock nut and cupped washer from nect the wires to the sam
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IGNITION SWITCH LIGHT SWITCH The ignition switch is located on the dashboard. Turn The head lamps are operated by pushing the light the key to the START position to start the engine. When switch located on the dashboard. The head lamps will the engine is running, leave the key in the ON posi- only operate when the engine is running. See figure 8. tion. To stop the engine, turn the key to the OFF posi- tion. See figure 8. AMMETER The ammeter registers the rate of battery charge or A WARNING: Remo
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NOTE: The parking brake must be set if the operator NOTE: The PTO switch must be in OFF position when leaves the seat with the engine running. starting the engine, when shifting into reverse and if theoperator leaves the seat. - CUTTING CONTROLSA. ~\ " " LIFT LEVER Parking " Brake Mode1704F: The lift lever is used to raise and lower the cutting deck and to engage and disengage the blades. Pulling it all Valve ~"'" the way back and locking it disengages the blades. =-,,-= ~~~ ~~ ~1:/ NOTE: The
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OPERA TION 1. Model 704F: Place the lift lever in the DIS- ENGAGED position. Model 734G: Place the PTO switch in the OFF position. 2. Depress the clutch-brake pedal and set the park- ing brake. 3. Place the hydrostatic control lever in the NEUTRAL (N) position. 4. Set the throttle control in the FAST position. 5. Pullout the choke control (a warm engine may not require choking). 6. Turn the ignition key to the right to the START posi- tion. After the engine starts, release the key. It will retur
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To stop the lawn tractor, pull the hydrostatic control lever into NEUTRAL (N) or depress the clutch-brake pedal. Be sure that the lawn is clear of stones, sticks, wire, or other objects which could damage lawn tractor or engine. For best results and to insure more even grass distribution, do not mow when lawn is excessively wet. Hydrostatic Control Lever A WARNING: Before leaving the operator's position for any reason, disengage the ~~acket ~ blades, place the hydrostatic control lever in neutra
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8. Tighten the hex bolt which secures the pintle arm CARBURETOR ADJUSTMENTS extension to the pintle arm. A WARNING: If any adjustments are made to 9. Release the clutch-brake pedal by pushing all the the engine while the engine is running way forward, then releasing the pedal. (e.g. carburetor), disengage all clutches and blades. Keep clear of all moving parts. Check the wheels for movement. They should not rotate Be careful of heated surfaces and muffler. in either direction. If they do, readju
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If frequent additions are required, locate the leak andcorrect. PIVOT POINTS Inadequate supply of fluid may result in per- Lubricate all pivot points with light oil at least once a manent internal damage. season. If the natural color of the transmission fluid haschanged, BALL JOINTS black or milky, overheating and/or water con- The ball joints and drag link ends are permanently taminate is indicated. The fluid should be drained and lubricated. replaced with new transmission fluid. HYDROSTATIC
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Dimension "B" should be approximately 1/8" less than Dimension "A." See figure 21. To increase Dimension "B," screw tie rod into tie rod end. To decrease Dimen- sion "B," unscrew tie rod from tie rod end. Reassem- ble tie rod. Check dimensions. Readjust if necessary. A G Front , B. t 4 (1/8" Less Than A) . FIGURE 21. FIGURE 19.-Model 734G Only FUEL FILTER CUTTING BLADESA. Your unit is equipped with a replaceable in-line fuel Removal for Sharpening or Replacement ~ WARNING: Be sure to disconnect
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lubricant is available, Order part number 737-0170. BATTERY REMOVAL OR INSTAllATION Engine oil may also be used, WARNING: When removing the battery, When replacing blades, be sure to install the blade with follow this order of disassembly to prevent the side of the blade marked "Bottom" (or with part number) facing the ground when the mower is in the your wrench from shorting against theframe. operating position. Blade Mounting Torque 1. Remove the Negative cable. 3/8" Dia. Bolt 375 in, lb. min.
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5. Remove the four self-tapping screws which hold Unplug the electric PTO.6. the belt keeper assembly to the frame at the engine Remove the torque bracket by removing two hex pulley. Remove the belt keeper assembly. bolts and washers. See figure 23. 6. Loosen both the front and rear idler pulleys. 7. Remove the belt keeper assembly by removing the Remove the belt from around the idler pulleys. four self-tapping screws which hold the belt keeper 7. Roll the belt off of top sheave of engine pulle
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forming on essential carburetor parts, fuel lines and fuel tanks.4. Refer to battery storage instructions on page 14. If the machine is to be inoperative for a period longer than 30 days, prepare for storage as follows. 5. Store unit in a clean, dry area. 1. Clean the engine and the entire unit thoroughly. 2. Lubricate all lubrication points. Wipe the entire NOTE: When storing any type of power equipment in machine with an oiled rag to protect the surfaces. an unventilated or metal storage shed
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SHOOTING CHART FOR ELECTRIC START MODELS TROUBLE LOOK FOR REMEDY ngine will not Battery installed incor- The battery must be installed with the negative terminal, identified at the terminal post by (Neg, N crank or -). grounded. The positive terminal (Pos. P or +) attaches to the large cable from the solenoid. rectly The small red wire from the fuse holder or circuit breaker is also attached to the positive terminal. Blown fuse or circuit Replace fuse with 71/2 amp. fuse V4 x 1 V4" Ig. Circuit b
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SHOOTING CHART FOR ELECTRIC START MODELS TROUBLE LOOK FOR REMEDY No fuel to the carburetor! Gasoline tank empty. Fill. Fuel line or in-line fuel filter plugged. Remove and clean fuel line. Replace filter if necessary. Air filter dirty If the air cleaner is dirty, the engine may not start. Clean or replace as recommended by the engine rRanufacturer. Engine smokes Engine loses crankcase Dipstick not seated or broken. Replace defective part. vacuum Engine breather defective. Replace. Excessive Bent
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For two years from the date of original retail purchase, YaRD-MaN COMPANY will either repair or replace, at its option, free of charge, F.O.B. factory or authorized service firm, any part or parts found to be defective in material or workmanship. Transportation charges for the movement of any power equipment unit or attachment are the responsibility of the purchaser. Transportation charges for any parts submitted for replacement under this warranty must be paid by the purchaser unless such retur
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