MTD MODELS 650 652 manuale d’uso

PRINTED IN U .S.A. Oper ator’ s Man ual T ransmatic La wn T ractor MODELS 650 652 Warning: This unit is equipped with an internal combustion engine and sh ould not be used on or near any unimproved forest-covered, brush-covered or grass-covered land unless the en gine’s exhaust system is equipped with a spark arrester meeting applicable loc al [...]

2 TABLE OF CONTENTS FINDING MODEL NUMBER This Operator’s Ma nual is an important part of your new lawn tractor. It will help you assemble, pr epare and maintain the unit fo r best performance. Please read and understand what it says. Before you start as sembling your new equipment , please locate the mod el plate on the equipment and copy the inf[...]

3 SECTION 1: IMPORTANT SAFE OPERATION PRACTICES WARNING: This symbol points out impor tant saf ety instructions which, if not f ollowed, could e ndanger the personal saf ety and/or proper ty of you rself and others . Read and f ollow all instructions in this ma nual bef ore attempting to operate th is machine. F ailure to comply with these instr uc[...]

4 23. Muffler and en gine become hot and can cause a burn. Do not touch. 24. Check overhead clearances carefully bef ore driving under low hang ing tree branches, wire s, door openings etc ., where the oper ator may be stru ck or pulled from the unit, which could re sult in serious injury. 25. Disengage all attachment clu tches, depress the brake p[...]

5 c. Bef ore and while backing, look behind and down for small children. d. Never carry children, even with the bla de(s) shut off. The y may fall o ff and be s eriously injured or interfer e with safe machine operation. e. Use extreme car e when approaching blind corners, doorways, sh rubs, trees or other objects that may block your vision of a ch[...]

6 Replace the blade(s) with t he original equipment manufacturer’s (O.E.M. ) blade(s) only, listed in this manual. “Use of part s which do not meet the original equipment specifications may lead to improper perfo rmance and compromise safet y!” 6. Mower blades are sharp. Wrap th e blade or wear gloves, and use extra caution when servicing the[...]

7 SECTION 2: SLOPE GAUGE 15° SIGHT AND HOLD THIS LEVEL WITH A VERTICAL TREE A POWER POLE A CORNER OF A BUILDING OR A FENCE POST F OL D O N D OT T E D L I N E , R E P R E S E N T I N G A 1 5 ° S L O PE Do not mow on inclines wit h a slope in excess of 15 de grees (a rise of a pproximately 2-1/2 feet every 10 feet). A riding mower could overturn an[...]

8 SECTION 3: TRACTOR SET-UP NOTE: Reference to right or le ft hand side of t he unit is observed from the drive r’s seat, facing forward. Tools Required For Assembly (1) 1/2" socket wre nch (for steerin g wheel) (1) 9/16" w rench or so cket wren ch (for sea t) Attaching The Steering Wheel • The hardware for att aching the stee ring wh[...]

9 Gas and Oil Fill-up The gasoline tan k is located under the hood and has a capacity of one a nd-a-half gallons. Do not overfill. WARNING: Use e xt reme care whe n handling gasoline . Gasoline is ext remely flammab le and the v apors are e x plosiv e. Ne ve r fuel machine indoors or while the engine is hot or running. Extinguish cigarettes , cig a[...]

10 SECTION 4: KNOW YOUR LAWN TRACTOR Figure 4 Ignition Switch The ignition switch is located on the right side of th e tractor’s dash.To start the eng ine, insert the key into th e ignition switch and turn clockwise to the START position. Rele ase the key int o the ON position once engine has fired. Refer to Starting The Engine on page 12 of this[...]

11 Speed Control Lev er The speed control lever, located on the right side of the center console , allows you to regulate th e ground speed of the lawn tract or. To use, depress the clutch- brake pedal an d move the lever out of th e parking brake notc h and forward to increase the trac tor’s ground spee d. When a desired speed has been reached, [...]

12 • The engine will automatically sh ut off if the operator leaves the tractor’s seat with the deck engagement/ lift lever in ANY position other than BLADES STOP. • The engine will automatically shut off if the deck engagement/ lift lever is moved out of the BLADES STOP position with the sh ift lever in R (reverse). Before Starting Engine WA[...]

13 • Release clutc h-brake pe dal slowly t o put unit in to motion. • The lawn tractor is brought to a stop by depressing the clutch-brake ped al. NOTE: When operating the unit initially, there will be little diff erence betwe en the highest two speeds until after the belt s have seated the mselves into the pull eys during the brea k-in period.[...]

14 SECTION 6: MAKING ADJUSTMENTS WARNING: Ne ver attempt to m ake any adjustments while t he engine is running, except where specified in the ope rator’ s manual. WARNING: Disconnect the spa rk plug wire(s) and gro und against the en gine bef ore perf or ming any adjustments , repairs or maintenance . Seat Adjustment To adjust the position of the[...]

15 The cutting d eck engagem ent may be ad justed to make certain the deck is dise ngaged when deck engagement/lif t lever is in the BLADES STOP position. Correct adjustment as foll ows. • With the engine off, place the deck engagement/ lift lever in the BLAD ES OFF positi on. • Unthread th e shift knob and remove the two flange screws which se[...]

16 • Loosen, but do NOT remove, the hex nut foun d on the right side of th e brake assembly. See Figure 9. • Using a fee ler gauge, set the gap between the brake disc and the brak e puck at .0 11" . • Re-tighten the hex nut loosened earlier. Speed Control Adjustment NOTE: When operating th e unit initially or after replacing the belts, t[...]

17 Engine Refer to the Briggs & Stratton Operator/Owner Manual (or Tecumseh engine’s Owner’s Manua l) for engine mai ntenance instructions . Check engine oil level bef ore each use as instructe d in the Briggs & Stratton Operator/O wner Manual (o r Tecumseh engine’s Owner ’s Manual) packed with you r unit. Follow the instructions ca[...]

18 SECTION 8: SERVICE WARNING: Disconnect the spark plug wire and gro und against th e engine bef ore performing a ny adjustments, repairs or maintenance . Cutting Deck Removal WARNING: Shut the engine of f , remov e ignition k e y , set the par king brak e, disconnect the spark plug wire(s) and g rou nd against the engine to pre vent unintended st[...]

19 • Remove the hairp in clips which secure the rear deck hangers to the deck stabilizer bracket. See Figure 17. Retain the hairpin clips. Figure 17 NOTE: The style and shap e the stablizer bracket a nd stablizer rod var y. Yours may di ffer slightly from th at shown in Figure 17. • Carefully lower th e rear portion of the deck to the ground. N[...]

20 It is important that each cutting blade edge be ground equally to maintain pr oper blade balance. A poorly balanced blade will cause ex cessive vibration and may cause damage to the tractor and result in personal injury. The blade can be test ed by balancing it on a round shaft screwdriver. Grind m etal from the heavy side until it balances even[...]

21 Deck Belt WARNING: Shut the engine of f , remov e ignition k e y , set the par king brak e, disconnect the spark plug wire(s) and g rou nd against the engine to pre vent unintended starting bef ore removing the cutting deck. WARNING: Alwa ys wear saf ety glasses or saf ety goggles to protect y our eye s while removing the cutting deck. • Remov[...]

22 Figure 22 NOTE: A spacer is located beneath the transmission pulley. Be careful not t o lose the spacer and be certain NOT reinstall the spacer up side down. • Remove the lower dr ive belt from around the lower portion of the variable speed pu lley and feed it toward the shift cover panel ope ning. • Remove the lower drive belt by lifting it[...]

23 SECTION 10: ATTACHMENTS & ACCESSORIES The following attach ments and accessories are compatible for Lawn Tractor Models 650 & 652 . Se e the re tailer from which you purchased your tr actor, an authorized MTD Service Dealer or phone (8 00) 800-7310 for information regarding price and availability. Lawn tractor models 650 & 652 are NO[...]

24 B 12 10 15 † A A 8 17 18 6 7 9 33 11 13 † 4 16 2 32 31 30 23 27 3 23 28 † Found on Model 652 Only 22 25 29 24 26 34 B 19 7 33 21 † 36 † 37 † 1 † 35 † 3 4 14 † B 4 20 † 38 SECTION 12: MODELS 650 & 652 PARTS LIST[...]

25 Models 650 & 652 REF . NO . PA R T NO . DESCRIPTION 1 710-3008 Hex Screw, 5/16-18 x .75 2 710-0642 Self-tapping Screw , 1/4-20 x .75 3 712-0185 U-type Speed Nut, 1/4-20 4 712-0429 Hex Lock Nut, Nylon, 5/16-18 5 712-3027 Flange Lock Nut, 1/4-20 6 726-0201 Speed Nut, .3125 7 726-04012 Push-on Nut, .25 8 731-1601 Lens, Black 9 738-04015 Shoulde[...]

26 2 37 40 15 21 4 19 35 24 3 22 1 11 25 13 17 27 20 11 33 29 6 10 8 14 9 31 11 32 30 7 10 5 34 28 12 16 26 38 12 18 39 36 12 18 40 23 37 Model s 650 & 652[...]

27 Models 650 & 652 REF . NO . PA R T NO . DESCRIPTION 1 17198A Retainer Gear Segment Plate 2 683-0002A Steel Pivot Bar, .625 3 710-0514 Hex Cap Screw, 3/8-16 x 1.0 4 710-0643 Hex Cap Screw, 5/16-18 x 1.0 5 710-0726 Self-tapping Screw, 5/16-12 x .75 6 710-0805 Hex Cap Screw, 5/16-18 x 1.5 7 710-1309 Machine Screw, 5/16-18 x .75 8 712-0240 Jam N[...]

28 1 4 6 3 12 1 30 11* 2 6 9 8 10 7 10 4 16 20 5 21 13 31 17 17 18 32 18 19 32 19 18 31 22 15 23 4 23 26 25 24 27 29 * Attach the short end of spring to the notch in the rear of Ref. No. 2. Attach the long end to Ref. No. 1. 33 34 Model s 650 & 652 35 35[...]

29 Models 650 & 652 REF . NO . PA R T NO . DESCRIPTION 1 17239C Seat Lift Bracket 2 17950A RH Pivot Support Bracket, Seat 3 17951A LH Pivot Support Bracket, Seat 4 710-0227 Self-tapping Screw, #8-18 x .50 5 710-0726 Self-tapping Screw, 5/16-12 x .75 6 712-0429 Hex Lock Nut, 5/16-18 7 725-1303 Outer Seat Spring Switch 8 725-1439 Inner Seat Sprin[...]

30 62 55 69 33 68 57 71 35 67 12 13 49 13 12 66 64 65 63 52 33 56 5 1 58* 43 63 52 10 70 10 13 48 37 34 15 21 45 35 31 36 2 35 39 40 40 35 44 42 32 35 38 5 41 35 35 40 44 40 40 13 6 3 30 9 19 6 3 30 12 1 13 59* 29 7 18 8 13 17 11 12 4 16 46 12 34 37 20 14 33 10 10 25 50 7 19 28 27 26 22 24 72 53 54 61 8 74 35 60 23 B A C A B C D D 55 * Attach the e[...]

31 Models 650 & 652 REF . NO . PA R T NO . DESCRIPTION 1 17668A RH Axle Support Bracket 2 17669A LH Axle Support Bracket 3 17962 Switch Plate 4 683-04025 Lift Handle Assembly 5 683-04049 Lift Shaft Assembly 6 710-0224 Self-tapping Screw, #10-16 x .5 7 710-0599 Self-tapp ing Screw, 1/4-20 x .5 8 710-0627 Hex Cap Screw, 5/16-24 x .75 9 710-0642 S[...]

32 27 18 29 31 26 32 28 30 12 24 23 2 16 25 1 A B B A 14 2 1 7 10 4 6 20 15 17 8 13 22 6 19 5 19 11 10 9 1 1 3 33 Model s 650 & 652[...]

33 Models 650 & 652 REF . NO . PA R T NO . DESCRIPTION 1 618-04034 Transmission, Single -speed 2 656-0059A Variable-speed Pulley, 4.75 3 683-04055 Torque Bracket 4 683-04056 Variable-speed Bracket 5 683-04057 Variable-speed Bracket 6 710-0514 Hex Cap Screw, 3/8-16 x 1.0 7 710-0606 Hex Cap Screw, 1/4-20 x 1.5 8 710-0627 Hex Cap Screw, 5/16-24 x [...]

34 Model s 650 & 652 8 3 2 1 5 6 8 4 10 9 7 12 1 1 11 12 1 3 14 3 17 15 16 18 19 20 21 22 23 24 25 28 29 27 26[...]

35 Models 650 & 652 NO TE: If rebuilding the upper housing, include two ounces (2 oz.) of U nire x ® N3 grease (Part No. 737-0289) in the input shaft cavity . REF . NO . PA R T 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 Was[...]

36 Model s 650 & 652 † Refer t o E † on Page 30 14 13 17 16 11 11 10 E † 1 2 9 7 12 15 8 8 6 6 4 5 3 REF . NO . PA R T NO . DESCRIPTION 1 618-0138A Spindle Assembly 2 683-04003A Deck Shell 3 710-0726 Self-tapp ing Screw, 5/16-12 x .75 4 710-1260A Screw, 5/16-18 x .75 5 710-1611B Self-tapping Screw, 5/16-18 x .75 6 712-0417A Hex Flange Nut[...]

37 18 2 1 20 23 22 19 12 6 2 17 16 1 8 9 12 5 10 13 15 11 7 REF . NO . PA R T NO . DESCRIPTION 1 710-1502 Screw, #8-18 x .375 2 710-0599 Self-tapp ing Screw, 1/4-20 x .5 3 710-0726 Self-tapp ing Screw, 5/16-12 x .75 4 710-1237 Screw , #10-32 x .625 5 710-1314A Soc ket Cap Scre w , 5/16-18 x .625 6 710-1315 Self-tapping Screw , 3/8-16 x 1.25 7 731-1[...]

38 Model s 650 & 652[...]

39 NOTES[...]

MANUF A CTURER’S LIMITED W ARRANTY FOR: The limited warranty set forth below is given by MTD LLC with respect to new merchandise purchased and used in the United States, its poss essions and territo ries. “MTD”warrants this product ag ai nst defects in material and workmanship for a period of two (2) years commen cing on the date of original [...]