models 33R, 33E - The Wheel Horse Manual and Documentation
Contents
1. models 33R 33E Riding Rotary Mower OPERATION AND SERVICE MANUAL WITH PARTS LIST ASSEMBLY A Remove all parts from box and place in a convenient arrange ment on a clean level surface B Insert a Woodruff key Part No 1008 in the keyway in each rear axle Assemble rear wheels on axles with nut for set screw to the inside making sure that the wheel hub does not touch the end of the axle housing The wheels are held in place with set screws which must be tightened securely and locked with the jam nuts provided C Slide the front wheels onto the front spindles and secure with washers Part No 1278 and snap rings Part No 1127 D Place steering wheel on steering column shaft and secure with the sx 134 roll pin Part No 1227 E Remove screws holding seatspring in place and reinstall with hitch bar in place on top of seat spring F Attach fenders to tool box using holes that give proper location of fender with respect to wheels G Secure seat to top of seat spring with carriage bolt provided The seat may be attached to either of the two holes in the seat spring depending on operator preference H Screw 5 4 long pipe nipple into elbow in exhaust port in engine and screw muffler onto nipple Tighten securely l Attach the two 6 wheels to the mower housing using shoulder bolt Part No 4177 Wheels can be moved up or down to obtain cutting heights of 1 4 to 244 In the up position mower cuts a2. PARTS LIST for MODELS 33R and 33E RIDING ROTARY MOWER When ordering parts always list Part No and name of part Ref Part Ref Part No No Name Quantity No No 1 1000 Handle Grip 1 35 1329 2 1001 Knob 1 36 1331 3 1002 x 1 Cotter Key 5 37 1339 4 1008 No 15 Woodruff Key 3 38 1340 5 1013 Y Std Pipe Plug 1 39 1345 7 1014 Tension Spring 2 40 1346 8 1023 Square Head Set Screw 2 41 1349 9 1030 Grease Fitting 6 42 1350 10 1032 16 x 2 Hex Hd Cap Screw 5 43 1363 12 1042 X618 x Ke Socket Hd Set Screw 1 44 1364 13 1066 14 20 x V4 Socket Hd Set Screw 1 45 1384 14 1081 Va x 1 Roll Pin 3 46 1385 15 1085 1 D Shaft Collar 2 47 1483 16 1122 No 9 Woodruff Key 3 48 4944 17 1127 1 D Snap Ring 1 49 4930 18 1128 1 LD Snap Ring 1 50 4452 19 1136 Xs x 1 Roll Pin 1 51 1406 20 1135 Ks x 1 Roll Pin 1 52 1316 21 1192 W Pipe Nip 1 53 1408 22 1206 16 x 1 Sq Hd Cup 54 1410 Point Set Screw 2 55 1413 23 1232 Oil Seal 3 56 1416 24 1372 Hair Pin Cotter 1 57 1417 25 1239 4 20 x Dog Point Set Screw 1 58 1418 26 1242 3a x YX Roll Pin 1 59 1423 27 1244 Y x 1 Roll Pin 2 60 1424 28 1262 14 20 x Rd Hd Mach Screw 4 61 1425 29 1434 SAE Washer 1 62 1426 30 1273 10 32 x Mach Screw 2 63 1427 31 1277 Wire Clip 2 64 1428 32 4912 Tube amp Nut Ass y 1 65 1480 33 1287 13 x 2 Hex Hd Cap Screw 1 66 1430 34 1303 Oil Seal 2 67 1432 Name 36 18 x 3V4 Hex Hd Cap Screw Xe Shakeproof Washer 16
3. mower clutch is latched in the disengaged position 3 Pull throttle lever 14 way out and turn to the right to lock it in position Note The Throttle control has a locking device Turn the throttle control to the left to unlock adjust to the desired position and turn to the right to lock 4 Pull choke lever all the way out to choke engine If engine is warm and has been running choking will not be necessary 5 A Model 33R has a recoil starter with an OFF and ON switch To start push switch to ON position and pull recoil starter NOTE Keep feet clear of mower while pulling recoil starter B Model 33E has an OFF and ON key also a starter button Turn key to ON position and push starter button amp When engine starts push choke in to off position and regulate throttle control by turning to the left to unlock and push in or out to desired speed 7 Depress clutch pedal on left side of the Lawn Ranger before selecting desired gear range 8 When starting the Lawn Ranger in winter it is desirable to de press clutch so starter does not have to turn transmission CLUTCHING There is no need to force the gear shift lever if the gears do not immediately mesh Depress clutch pedal all the way down and let up then depress again and shift To avoid sudden starts release clutch pedal slowly While in motion do not shift gears without depressing clutch pedal The clutch pedal also operates the brakes WHEN DEPRESSED ALL THE WAY DO
4. x 3 Hex Hd Cap Screw Va x 14 Roll Pin 14 20 x 4 Thumb Screw Y4 20 x 1 Thumb Screw Vs x x 1 Key W x 1 Roll Pin 16 x 4 Hex Hd Cap Screw Round Nut Std Pipe Plug 14 20 x V Keps Screw Decal i Plug Wheel Belt Stop Gasket Tank 14 20 Hex Nylock Nut 36 18 Hex Lock Nut 16 Hex Nylack Nut 4 13 Hex Nylock Nut 24 Hex Nylock Nut 4 Split Lock Washer Xs Split Lock Washer Split Lock Washer 16 x Hex Hd Cap Screw 4 13 Hex Jam Nut 16 x 1 Hex Hd Cap Screw 16 x 1 x Hex Hd Cap Screw 16 x 2 Hex Hd Cap Screw 14 20 x Hex Hd Cap Screw 8 x Tapping Screw Y 13 x 1 Carriage Hd Bolt 35 24 x VY Rd Hd Mach Screw Quantity NVoHDOMONHOwDaNdooDaao oH Ns N AMNON _ PARTS LIST for MODELS 33R and 33E RIDING ROTARY MOWER When ordering parts always list Part No and name of part Ref Part Ref Part No No Name Quantity No No idee AN Ee eae en 68 1504 Bushing 2 141 3917 69 1508 Needle Bearing 2 142 3918 71 1516 Bushing 1 143 3919 72 1518 Needle Bearing 1 144 2297 73 1528 Needle Bearing 2 145 1240 74 1529 Needle Bearing 2 147 3935 75 1530 Needle Bearing 1 149 3940 76 1531 Needle Bearing 1 150 3587 77 1532 Needle Bearing 1 151 3944 78 1533 Ball Bearing 2 152 3945 79 1536 Idler Bushing 1 154 3949 81 1576 Y Belt 70 A Section 1 155 3950 82 1611 Pulley 1 156 3973 83 1621 Engine Pulley 1 157 3978 84 1623 Idler Pulley 1 158 3979 85 1664 Rear Wheel Ass
5. y 2 159 3586 87 3080 Front Wheel Ass y 2 160 3585 88 1739 Tecumseh Muffler 1 161 4910 90 1745 Ammeter 1 163 4915 91 1751 Starter Button 1 164 4204 93 3998 Gas Cap 1 165 4206 94 1754 34 Std Pipe Nipple 514 Lg 1 166 4211 95 1786 Fuel Strainer 1 167 4213 96 1787 Straight Fitting 1 168 4440 97 1796 Fuel Line 1 169 4216 99 2638 Tecumseh 6 hp Engine Electric 1 170 4217 100 2639 Tecumseh 6 hp Engine Recoil 1 171 4218 101 1861 Rod Control Stud 1 172 4220 102 3279 Off On Switch 33R 1 173 4222 103 3503 Shift Fork 2 174 4907 104 3514 Shift Collar 1 175 4232 105 3515 Front Shift Rail 1 176 4233 106 3516 Rear Shift Rail 1 177 4235 107 3517 Ball Stop 2 178 4905 108 3518 Spring Stop 1 180 4438 110 3522 Input Gear 1 181 4407 111 3523 Hi and 2nd Gear 1 182 4249 112 3524 Low and Reverse Gear 1 183 4406 113 3525 Cluster Gear 1 184 4405 114 3526 Splined Pinion 1 185 4901 115 3527 Reduction Gear 1 186 4410 116 3528 Reduction Pinion 1 187 4412 117 3537 Seat Spring 1 188 4413 118 3573 Shift Pin Stop 1 189 4414 119 1143 4 20 x 34 Button Head Screw 2 190 4415 120 3577 Boot 1 191 4416 121 3578 Plunger Guide 1 192 4417 122 3605 Tie Rod 1 193 4418 123 3624 Compression Spring 1 194 4419 124 3653 Battery 1 195 1466 125 3656 Switch 33E 1 196 1539 126 3680 Plunger Cap 1 197 4422 127 3900 Transmission Case R H 1 199 4429 128 3901 Transmission Case L H 1 200 4430 129 3902 Brake Drum 1 201 4431 130 3903 Brake Shaft Gear 1 202 4432 131 3904 Axle 2
6. 203 4433 132 3905 Differential Case 2 204 4434 133 3906 Bull Gear 1 208 1227 134 3907 Spline Shaft 1 209 3930 135 3908 Axle Gear 2 215 4900 136 3909 Differential Pin 5 217 4904 137 3910 Cluster Shaft 1 218 4427 138 3912 Gasket 1 219 1755 139 4437 Brake Band Ass y 1 220 1756 140 Locating Pin 2 Quantity Bevel Pinion Steering Pivot Steering Arm Brace Exhaust U Bolt Brake Rod Drag Link Tool Box Lower Steering Shaft Upper Steering Shaft Clevis Pin Idler Arm Seat Seat Cushion Pivot Brake Fender R H Fender L H Upper Plunger Rod Belt Guard Reverse Idler Gear Battery Clamp Spacer x 3 Std Pipe Nipple Shift Stick V Std Pipe Elbow 90 Pipe Cap M Std Y x 1 Std Pipe Nipple Front Axle Quadrant Lift Throttle Choke Differential Pinion Gear Lift Lever Lower Plunger Ass y Tank Bottom Hole Plug Fuel Tank Fuel Tank Ass y Front Spindle Wheel Horse Decal Bottom Steering Support Steering Sector Steering Wheel Hood Lawson Engine Base Brake Set Lever Shift Decal Shield Retainer Bushing Instrument Decal Clutch Rod Clutch Pedal Ground Switch to Coil Wire Starter Switch to Starter Wire Battery to Starter Wire Generator to Ammeter Wire Xs x 1 Roll Pin Hood Stand Channel Strut Frame Ass y Hitch Hood Stand Channel Ass y Street El 90 34 Std 34 Lock Nut a a a N a a ad a a a a a IN a a a ee a ee at a a es ee a ad ee ee ee a a a
7. WN For this reason you should depress the clutch pedal ONLY 2 OF THE WAY DOWN WHEN SHIFTING while in motion This clutch brake pedal combination makes clutching automatic as you apply the brakes to stop PARKING BRAKE The parking brake is located on the left side of the Lawn Ranger as shown in Figure To set the parking brake depress the clutch brake pedal as far as possible and push the parking brake for ward To release the brake depress the clutch brake pedal and pull the parking brake back CARE OF THE LAWN RANGER 1 Keep the Lawn Ranger greased and oiled regularly Refer to to Figure for the location of grease fittings Check transmission and engine case oil levels 2 Keep engine air cleaner clean This will add to engine life 3 Keep tires properly inflated See previous instructions 4 Keep the Lawn Ranger covered and in a dry place when not in use 5 Keep grass and dirt out of engine cowling as these will stop the flow of air and decrease engine life 6 BRAKE ADJUSTMENT The brake band located on the left side of the transmission brakes the transmission and in turn stops the wheels Adjust the nut on the brake rod so that when you depress the clutch pedal all the way down the band tightens around the brake drum just as the idler pulley releases the belt Keep brake band and drum free from oil and dirt 7 Clutch Brake Pedal Adjustment The clutch brake pedal rod may be turned in or out to adjust the pedal to o
8. a ee a a IN a a a a a O M PARTS LIST FOR LAWN RANGER ROTARY MOWER When Ordering Parts Always List Part Number and Name of Part Name Quantity Ref Part Ref Part No No Name Quantity No No 1 4917 Deck 1 35 3130 2 4924 Clutch Latch 1 36 1185 3 4927 Clutch Pedal 1 37 1194 4 4931 Shield 1 38 1122 5 4151 Twin Housing amp Bearings 1 39 1613 6 3726 Housing 1 40 1042 7 1508 Bearing 4 41 1426 8 1303 Oil Seal 2 42 3141 9 3724 Spindle 2 43 1304 10 3716 Cup 2 44 3757 u 1382 Pin Roll 4 x 4 45 1587 12 3718 Blade Rotary R H 1 46 1418 13 3719 Blade Rotary LH 1 47 1408 14 1336 Washer Dome 2 48 1343 15 1398 Screw Hex Nylock 16 x 2 49 4935 16 1535 Race Bearing Thrust 4 50 4934 17 1534 Bearing Thrust 2 51 1423 18 1194 Key 5 2 52 4940 19 3131 Gear Spur 2 53 4939 20 1127 Snap Ring 2 54 4938 21 1030 Fitting Grease 2 55 1017 22 1443 Hex H Cap Screw Xe x 18 34 4 56 1002 23 1407 Hex Hd Nut Nylock Xs x 18 4 57 4936 24 4150 Ass y Housing Cross Shaft 2 58 1425 25 3138 Housing 1 59 4937 26 1515 Bearing 1 60 4914 27 1623 Pulley Idler 1 l 1434 28 1536 Bushing Idler 1 62 3725 29 1363 Bolt Hex 16 x CP 1 63 1391 30 1439 Bolt 20 x 1 CP 1 64 4121 31 1406 Nut Nylock 14 20 1 65 4177 32 1436 Washer 44 SAE CP 1 66 1484 33 1486 Spring Clutch 2 67 3710 34 3715 Shaft 1 Gear Face Washer Lock Key W
9. checked after every 40 hours of use The transmission should be drained once a year by removing plug on bottom to drain oil Refill as above paragraph This is a regular automotive type transmission with sliding gears and should have the same care as your car BATTERY The battery installed in the Model 33E is a dry charged battery It is important that you properly prepare this battery to insure good service and long life 1 Remove vent caps Remove or destroy any sealing device which may have been used to close or restrict the vent openings 2 Fill each cell of the battery to the proper level with the bat tery electrolyte NOTE Temperature of battery and electrolyte at time of filling should be above 60 F Never fill battery in the vehicle 3 BOOST CHARGE 15 amps for 10 minutes or 7 amps for 30 minutes Adjust electrolyte level if necessary after charge 4 Install battery with battery posts toward the rear of mower Start motor Check to see if generator is charging properly After battery has been in service add only approved water DO NOT ADD ACID TIRES The front tires are 3 50 x 4 pneumatic and should be filled to 20 pounds of air pressure The rear tires are 4 00 x 8 and should have 6 to 8 pounds of air pressure STARTING ENGINE 1 Before starting the engine open valve on sediment bowl 2 Place gear shift lever in neutral position lower the rotary mower to the ground on its gage wheels make certain that the
10. form dis charge 4 Fill gas tank outdoors Avoid spilling gasoline and don t fill the tank while engine is running or while you are smoking 5 While mowing give undivided attention to the job at hand keep the cutting path in area of operation clear of all persons particu larly small children 6 Never leave motor running unattended Remove key when not in use children could get hurt 7 Don t overspeed the engine Excessive cutting speed or tamper ing with the governor can be dangerous 8 The mower has side plates which may be removed when cutting heavy grass or weeds The sideplates may be reinstalled in an in verted position as shown by the dotted illustration thus acting as an additional foot guard EXTREME CAUTION should be exercised when the sideplates are removed because of the danger of flying debris 9 Exercise special care when mowing around objects to prevent the blades from striking them and never deliberately mow over any object 10 Stop operation when another person approaches prohibit others from riding with you on your riding mower 11 Riding mowers can be tipped to either back or side Exercise extreme caution when mowing on slopes or inclines Engage clutch slowly and smoothly Never abuse your mower by improper handling 12 Never adjust mower or tractor until engine has been turned off 13 If your Lawn Ranger is to be used for purposes other than mowing latch mower clutch in disengaged po
11. full 3 high J Assemble idler pulley Part No 1623 and shield assembly Part No 4931 to mower clutch pedal The leaf spring on the shield assembly must be deflected down so that it fits under the tubular portion of the clutch pedal assembly The idler bushing Part No 1536 must be placed between the idler and shield Note The belt must be in the idler pulley groove before these parts are assembled K Slide mower under unit and attach the four links using the fourth and sixth holes from the front on each side of the frame Use x bolts Part No 1425 spacers Part No 4937 washers Part No 1434 and nuts Part No 1408 for attaching links to frame L Move lift lever forward and hook lift link to pin in lift arm securing with washer and hair pin cotter M With mower clutch in disengaged down position slide belt over engine pulley and place in outside groove Release mower clutch and check belt alignment Tightness of belt is automatically adjusted through the tension springs N Adjust position of belt stop Part No 4930 so that it just clears the outside of the belt when the mower is at maximum and mini mum height and with the belt clutch engaged This insures proper release of mower clutch NOTE Auxiliary foot rest CAN NOT be used when mowing WARRANTY WE warrant WHEEL HORSE PRODUCTS for ONE YEAR from date of purchase against defective parts and workmanship We will replace free of charge any defective part if retu
12. oodruff 5 Key Woodruff 9 Pulley Pulley 3 Dia Screw Set 56 18 x Xe Bolt Hex 16 x 14 Cover Gear Screw Hex Hd 8 32 x 4 Self Tap Plug Button Belt 43 A Section Washer Lock Nuts Nylock 34 16 Nut x 18 Bracket L H Bracket R H Bolts 16 x Link Front Link Rear Rod Front Link Pivot Washer 4 SAE Plain Pin Cotter 4 x 1 Rod Rear Link Pivot Bolt 16 x 1 Spacer Bar Lift Washer SAE Plain Cover End Plate Screw Rd Hd Mach 14 20 x SEMS 1 Wheel 6 Dia Stud Shoulder Decal Caution Decal _ NNNNON A HLhRHNMHAINNAHHNNBHNADANOH HH NNN 8 16 62 Form No 135
13. perator s desired position Remove pin from rod and turn rod in or out for adjustment 8 When blades become dull remove and regrind CAUTION Sharpen evenly on both sides so blade does not become out of balance 9 On the Model 33E check battery after every 40 hours of use If the mower has been in storage it may be necessary to recharge 10 Your Lawn Ranger is only as good as the service you give it See your Wheel Horse Dealer for a thorough check up after each season of use 11 When replacing belts be sure to purchase them from your Wheel Horse Dealer as these belts are specifically designed for each application NOTE Make sure all pulleys are in line Figure 1 GREASE OPERATION With proper care and adjustment your new Wheel Horse Lawn Ranger has been designed to give many years of satisfactory performance Preparation for operation and operating hints listed below are recommended for all mowers and approved by the Outdoor Power institute for safe operation of your mower 1 Before starting operation clear the entire lawn area of all debris that could catch on to or be thrown by the blades 2 When you mow on rough terrain or in high grass or weeds the blade should be set at the highest cutting point n tall grass or weeds a second cutting may be made to bring the grass down to the desired height 3 Mowers do not operate as well in wet grass Wet grass has a tendency to build up on mower housing and give non uni
14. rned to the factory PREPAID Wheel Horse Products Inc reserves the tight to make changes or improvements upon its products with out imposing any obligations upon itself to install the same upon its products that have been previously manufactured The engine and battery carry a separate warranty by the manufacturer FOR ENGINE OR BATTERY SERVICE CONTACT YOUR LOCAL ENGINE OR BATTERY SERVICE HEADQUARTERS ALL WARRANTY CLAIMS WORK SHIPMENTS MUST BE HANDLED THROUGH YOUR AUTHORIZED WHEEL HORSE DEALER NOTE 90 Day Warranty for Commercial Use BEFORE YOU START There is NO OIL in the crankcase of the engine when shipped from the factory Read Engine Manual and follow all instructions per taining to type of lubrication specified The engine is the heart of your Lawn Ranger and it is very important that you keep it in good condition Before mowing the mower should be operated at a slow speed to check all moving parts for any damage or looseness caused in transporting Lubricate all grease fittings with a regular pressure gun lubricant every eight to ten hours of operation Refer to Figure for the location of grease fittings A light machine oil should be used on all moving parts to keep joints from wearing and squeaking Remove oil filler plug located at the left rear side of the trans mission and fill to level of hole with a good grade of S A E 90 Gear Lube will require about 3 pints The transmission should be
15. sition stop engine and remove mower drive belt from engine pulley The spring wire belt stop may be deflected to remove belt Never allow children to operate unless you have removed this belt to prevent their accidentally engaging mower NOTE Auxiliary Foot Rest for use only when mower is removed This foot rest CAN NOT be used when mowing PARKING BRAKE WHEEL HORSE LAWN RANGER SPECIFICATIONS SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE Length Overall eee Sy 54 inches Wheelbase cee eneen aleve ge sasesecccevcces 41 4 inches Width Overall with mower eeee00 canan 33 inches Width Overall without mower sevens eneen 26 inches Width at Front Wheels re ete eae 24 inches Height sro oenen a mere als a aaa eee 335 inches Height to Top of Hood ee neee ee ne de Sige 28 inches Net Weight 33E esseseersersseeesve eers ene 365 Ibs Net Weight 33R sve enen en eee eee ve een 339 Ibs Frame Clearance seesvevseen oneens eneen 10 inches Engine 4 cycle single cylinder air cooled 6 H P Fuel Capacity RENEE 4 quarts Tires front ee 3 50 x 4 Pneumatic 10 wheel dia Tires rear 2 0 eee eee eee eee 4 00 x 8 Pneumatic 16 wheel dia Main Frame Ass y Steering amp Wheel Ass y E 2 a Wiring for 33E Lift amp Brake Ass y Transmission
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