Operator's Manual Auto Drive Lawn Tractors Models 604G & 604H 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).
TABLEOFCONTENTS Content Page 2 3 7 Customer Support Important Safe Operation Practices Tractor Set-U p Operation Making Adjustments Content Maintenance Attachments & Accessories Illustrated Parts List 9 15 Page 17 24 26 Warranty Back Cover FINDINGMODELNUMBER This Operator's Manual is an important part of your new lawn tractor. It will help you assemble, prepare and maintain the unit for best performance. Please read and understand what it says.
SECTION1: IMPORTANT SAFEOPERATION 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 this machine. Failure to comply with these instructions may result in personal injury. When you see this symbol--heed its warning. This machine was built to be operated according to the rules for safe operation in this manual.
27. Useonlyaccessories andattachments approved forthis 7. Do not tow heavy pull behind attachments (e.g. loaded machine bythemachine manufacturer. Read, dump cart, lawn roller, etc.) on slopes greater than 5 understand andfollowallinstructions provided withthe degrees. When going down hilt, the extra weight tends to approved accessory orattachment. push the tractor and may cause you to loose control. (e.g. 28.
b. c. d. e. f. g. h. i. j. k. 1. m. Never fill containers inside a vehicle or on a truck or trailer bed with a plastic liner. Always place containers on the ground away from your vehicle before filling. When practical, remove gas-powered equipment from the truck or trailer and refuel it on the ground. If this is not possible, then refuel such equipment on a trailer with a portable container, rather than from a gasoline dispenser nozzle.
SIGHT AND HOLD THIS LEVEL 1'91 A POWER WITH A VERTICAL TREE POLE t.O lULl 15 ° lULl a. 64 Z I-lULl ,_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 footing and you could slip, resulting in serious injury. Operate RIDING mowers up and down slopes, never across the face of slopes.
SECTION3: TRACTOR SET-UP NOTE: This manual covers specifications of two models. Please follow instructions and parts numbers pertaining to your tractor only. Attachi £ Batter Cables NOTE: If these cables are already attached, proceed to "Attaching Steering Wheel." IMPORTANT: The positive battery terminal is marked Pos. (+). The negative battery terminal is marked Neg. (-). 1. 2. 3. 4.
_ 2. 3. theARNING" machine and Before pull back operating on seat thisuntil machine, fully engaged make sure into the stop. seat is engaged in the seat stop, stand behind Slide the seat slightly rearward in the seat pivot bracket, lining up the rear slots in the pivot bracket with the remaining two holes in the seat's base. Select desired position for the seat, and secure with the two knobs removed earlier. See Figure 3.
SECTION4: OPERATION Kssw th®88st 81s Read this owner's manual and safety rules before operating your lawn mower. Compare figure below with your lawn tractor to learn about the Ioction and purpose of various controls and adjustments. Save this manual for future reference. It is very important to follow the instructions and operate the controls properly. A E \ F G B H C J D K Figure 5 A Systems Indicator Monitor/Ammeter G Cruise Control Button B C D PTO (Power Take-off) Lever Choke Control Shi
ThrottleControlLever The throttle control lever controls the speed of the engine. When set in a given position, the throttle will maintain a uniform engine speed. IMPORTANT:When operating the tractor with the cutting deck engaged, throttle control lever must always be in the FAST (rabbit) position. ChokeControl The choke control can be found on the left side of the dash panel and is activated by pulling the knob outward.
Headlights • To turn on the headlights, rotate the same ignition key from ON position to ON/LIGHTS position of the ignition switch. • To turn off the headlights, rotate the ignition key from ON/LIGHTS position to either ON position (to leave the engine running) or OFF position (to shut the engine off). ,_ WARNING" damage to yourNever engine's move starter. the key into the Start position while the engine is running.
• To change to the reverse direction when operating with cruise control, depress the brake pedal to disengage the cruise control and bring the tractor to a complete stop. Then place the shift lever in the REVERSE position and depress the drive pedal. SeatAdjustmentLever To adjust the seat forward or backward, loosen the two seat adjustment knobs and reposition the seat to the desired position. Once a comfortable position is found, tighten the adjustment knobs to lock the seat in place.
NOTE: Refer to the TRACTOR SET-UPon page 7 manual for gasoline and oil flU-up instructions. 1. 2. 3. 4. Insert the tractor key into the ignition switch. Disengage the PTO (Blade Engage) lever. Engage the tractor's parking brake. Pull the Choke Control knob outward. 5. Turn the ignition key clockwise to the START position. After the engine starts, release the key. It will return to the ON position. IMPORTANT: Do net hold the key in the START position for longer than ten seconds at a time.
• • • • • • _ For best results it is recommended that the first two laps be cut with the discharge thrown towards the center. After the first two laps, reverse the direction to throw the discharge to the outside for the balance of cutting. This will give a better appearance to the lawn. Do not cut the grass too short. Short grass invites weed growth and yellows quickly in dry weather. Mowing should always be done with the engine at full throttle.
SECTION5: MAKINGADJUSTMENTS _ ARNING" attempt to makespark any adjustments whileground the engine is running, except where specified in the operator'sNever manual.Disconnect plug wire(s) and against the engine before performing any adjustments, repairs or maintenance. _ make sure the seat WARNING" Before is engaged operating inthis themachine, seat stop, stand behind the machine and pull back on seat until fully engaged into stop. Seat Knob 1. 2. 3. 4. Flip the seat up as shown in Figure 7.
1. 2. 3. With the tractor parked on a firm, level surface, place the deck lift lever in the top notch (highest position) and rotate the blade nearest the discharge chute so that it is parallel with the tractor. Measure the distance from the front of the blade tip to the ground and the rear of the blade tip to the ground. The first measurement taken should be between 1/4" and 3/8" less than the second measurement.
SECTION6: MAINTAINING YOURLAWNTRACTOR _ ARNING" Beforebrake, performing any maintenance repairs, disengage PTO, starting. move shift lever into neutral position, set parking stop engine and remove orkey to prevent unintended Refer to the engine manualfor engine maintenance instructions. • Check engine oil level before each use as instructed in the engine manual. Read and follow instructions carefully. Refer to this manual for details about type and grade of oil. ChangingEngine0il 1. 2. 3. 4. 5. 6.
tractor and/or its serviceability. ,_ WARNING" servicing, repairing, or inspecting, always disengage move unintended shift lever into neutral position,Before set parking brake, stop engine and remove key from tractor PTO, to prevent starting. Ti e Pressure IMPORTANT: Never exceed the maximum inflation pressure shown on the sidewall of the tire. • The recommended operating tire pressure is approximately 10 psi for the rear tires and 14 psi for the front tires.
4. 5. 6. 7. 8. 9. Connect the other end of the negative (-) cable to the engine block of the stalled tractor, away from the battery, and stand back. Start the stalled tractor and leave it running to charge the battery. Disconnect the negative (-) jumper cable from the tractor. Disconnect the other end of the negative (-) jumper cable from the negative (-) post of the good battery. Disconnect the positive (+) jumper cable from the positive (+) post of the good battery.
IMPORTANT: Each cutting blade edge has to be ground equally to maintain proper blade balance. A poorly balanced blade will cause excessive vibration, may damage the tractor and/or result in personal injury. Hex Flange Nut Worn _paration / / Wind Wing / < nirnurn Sharpen edge evenly Spindle Assembly Figure 14 5. 6. 7. 8. Test the blade by balancing it on a round shaft screwdriver. Grind metal from the heavy side until it balances evenly.
IMPORTANT: When removing the battery, disconnect the NEGATIVE (Black) wire from its terminal first, followed by the POSITIVE (Red) wire. Re-install in reverse order. UpperDriveBelt 1. , , 4. , 6. Locate the transmission idler pulley on the upper drive belt by looking through the battery tray opening. See Figure 15. Grasp the bracket and pivot the transmission idler pulley toward the rear of the tractor to release tension on the upper drive belt.
After replacing the drive belts, adjust the drive pedal on your tractor as follows: 1. 2. 3. 4. 5. 6. Idler Adj. Rod Locate the speed control assembly on the underside of the steering support bracket. See Figure 17. Remove both hairpin clips from the pin which is fastened to the speed control assembly (be careful not to lose the small flat washers found on the pin). See Figure 17. Remove the drive pedal return spring. Using two 9/16" wrenches, remove the pin from the speed control assembly.
4. 5. 6. 7. Remove the PTO belt from around the engine pulley and the PTO idler pulley. Grasp the deck idler pulley and pivot it toward the left side of the deck to relieve tension on the deck belt. Remove the belt from around all pulleys, including the deck idler pulley. Route the new belts as in Figure 18 & Figure 19. Remount belt guards removed earlier.
SECTION7: OFF-SEASON STORAGE ,_ • ,_ • • WARNING" Never store heater, the machine or fuel container indoors there is an open flame, spark or pilot light such as on water furnace, clothes dryer or other where gas appliance. Clean and lubricate the tractor as instructed on page 17 before storing for an extended period. WARNING" to cool. Extinguish Drain cigarettes, fuel only cigars, into an approved pipes, andcontainer other sources outdoors, of ignition away prior from to andraining open flame. fuel.
SECTION8: TROUBLESHOOTING Engine fails to start 1. 2. 3. 4. Place PTO lever/knob in OFF position. Engage parking brake. Connect wire(s) to spark plug. Place throttle lever to CHOKE position. 5. 6. PTOtever/knobengaged. Parking brake not engaged. Spark plug wire(s) disconnected. Throttle control lever not in correct starting position. Fuel tank empty, or stale fuel. Blocked fuel line. 5. 6. 7. 8. Faulty spark plug. Engine flooded. 7. 8. Fill tank with clean, fresh gas.
SECTION9: PARTSLISTFORMODELS604G& 604H 13 11 28 \ 38 \ 22 35_ 12 29 _18 34 1 3 10 31 1 5 \\ 26
Models604G& 604H REF. NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 PART NO. 710-3015 710-0599 712-0324 710-0895 710-0924 710-0376 712-0292 712-0429 726-0201 783-0808A 731-1978 731-1979 747-1132A 731-1980A 731-1981C 731-1982C 736-0329 736-0342 783-04323 736-3078 710-0809 710-1611B REF. NO. 22 23 24 25 26 27 28 29 30 31 32 33 34 35 DESCRIPTION Hex Cap Screw, 1/4-20 x .75 Self-tapping Screw, 1/4-20 x .5 Hex Lock Nut, 1/4-20 Self-tapping Screw, 1/4-15 x .75 Pan Phillips Screw, 1/4-20 x .
Models604G& 604H 24 32 26- 7 28
Models604G& 604H Ref. No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 Part No.
Models604G& 604H 40 23 19 38 21 14 25 32 37 29 30
Models604G& 604H Ref. No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 m 37 38 39 40 Part No.
Models604G& 604H 19 IMPORTANT: For a proper working machine, use Factory Approved Parts. V-belts are designed to engage and disengage safely. A substitute (non OEM) V-belt can be dangerous by not disengaging completely. 5 @ 31 6g 2 _27 71 68 2 49 23 46 _75 41 47 9 66 1_51 67 55 \ 4s\_ 32
Models604G& 604H Ref. No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 Part No.
Models604G& 604H 6 4 9 10 13 11 12 21 20 12 11 19 18 16 17 15 22 3 J 23 J 14 J J J / J 25 28 26 27 29 34 t
Models604G& 604H Ref. No. Part No. Description 1 732-0614 Ring, Wire 2 716-0231 Ring, E Type, .750 3 736-0336 Flat Washer, 5/8 x 1.0 x .030" 736-0337 Flat Washer, 5/8 x 1.0 x .040* 736-0349 Flat Washer, 5/8 x 1.0 x .020* 4 736-0335 Washer, Thrust .635 x 1.26 x .06 5 710-1325 Self-tapping Screw, 1/4-20 x 1.625 6 719-04017 Upper Housing 7 711-1109 Input Shaft 8 741-0335 9 717-1464 Needle Bearing, .625 x .813 x .495 14-tooth Bevel Pinion 10 716-0108 Retaining Ring, .
Models604G& 604H 78 51 _2 _53 4 17 58 / 59 64 "14 "23 _26 39 / 10 / 34 30_ 16 24 28 _25 _9 Model 604H Model 604G 36
Models604G& 604H Ref. No. Part No. Description Ref. No. 33 747-1286A Rod: Belt Keeper Part No. Description 1 17962 Switch Plate 2 647-0064 Lever Assembly: PTO Engage 34 748-0415B Spacer 3 683-0450 Plate Assembly: PTO Engage 35 750-0956 Spacer 4 710-0224 AB Screw #10-16 x 0.5 36 756-0627B Idler Pulley 5 710-0276 Carriage Screw: Special 37 756-0982B Engine Pulley 6 710-0520 Hex Bolt 3/8-16 x 1.5 38 756-1208 Idler Pulley 7 710-0726 AB Screw 5/16-12 0.
Models604G& 604H 4 12 23_ ll_ i REF. NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 2O 21 22 23 24 PART NO. 710-0227 710-0599 710-0604A 710-1237 710-1314A 710-1315 712-3017 721-0460 726-0205 725-0157 736-0300 751 B221535 751-0535 751-0564 751-0616 751-0650 751-0651 751-3140 751-3141 751-3142 783-0615B 783-0625C 712-0271 746-1086 DESCRIPTION Self-tapping Screw, #8-18 x .5 Self-tapping Screw, 1/4-20 x .5 Self-tapping Screw, 5/16-18 x .625 Screw, #10-32 x .625 Socket Cap Screw, 5/16-18 x .
O _"D i PTO INDICATOR CPJ LIGHT KEY SWITCH 725-1741 HEADLIGHTS gB_ HEADLIGHTS SEAT SWITCH 725-1303 725-1439 OFF G+M+A1 YEL/BLK LOW OIL INDICATOR LIGHT _ I RED ( ,m- ORGJW_T BLK II PTOSWITCH 725-1657A RUN 1 B+At L+A2 OILSENSOR (.
Model604G 24 15\\\\ _8 "\\. _I0 16 10 17 45 C 37 37 61 / 63 6O 23 \\\\ _. 3 2 \\\ .'4O J 18_ 16 5O ,_._54 49 i .
Model604G Ref. Part No. Ref. No. Description No. Part No. Description 1 711-04069 Grass Catcher Pin, 1/4-20 32 736-0270 Belt Washer, .265 x .75 x .062 2 618-0565 Spindle Assy., 5.75 Dia. w/Fitting 33 738-0373 Shoulder Screw, .498 x 1.53 3 683-0198G 42-inch Deck Shell 34 741-0524 Bearing, .625 x 1.574 x .470 4 683-0254 Deck Adj. Bracket w/Weld 35 742-0616A Blade, Star Center, 21.23" 5 736-0140 Flat Washer, .385 x .62 x .
Model604H 41 34 13 28 42 4 / / / / 21 / 1 32 2O 17 2 24 / 43_'_._. 44/ lO \ .
Model604H Ref. No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Part No. 618-04137 683-0254 683-04103 710-0347 710-0514 710-0528 710-0599 710-0751 710-1260A 711-04069 712-0324 712-0417A 712-0431 712-0641 712-3006 712-3083 714-0111 717-04074 726-0233 732-0306A 732-0594A 734-0973 736-0119 736-0270 Ref. No. 25 27 28 29 30 31 32 34 35 36 37 38 39 40 41 42 43 44 45 46 47 Description Pulley-Spindle Assembly Deck Hanger Bracket Assembly Deck Assembly Hex Bolt 3/8-16 x 1.75 Hex Bolt 3/8-16 x 1.
MANUFACTURER'S LIMITED WARRANTY FOR: YaRD.MaN TM ® The limited warranty set forth below is given by MTD LLC 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 wilt, at its option, repair or replace, free of charge, any part found to be defective in materials or workmanship.
