MODEL RT8 & RT8S REAR TINE TILLERS
Contents
1. Safety Instructions amp Operator s Manual __ SNAPPER MODEL RT8 amp RT8S REAR TINE TILLERS Thank you for buying a SNAPPER product Your Tiller was designed and built to provide long and satisfactory service Study this manual carefully BEFORE operating the Tiller and pay particular attention to the Important Safety Instructions below Keep in mind that a Tiller like any other mechanical device can be poten tially dangerous if used improperly Following the instructions in this and the engine manual will help you continue to enjoy the trouble free operation expected of a SNAPPER IMPORTANT SAFETY INSTRUCTIONS WARNING This tilling machine is capable of causing personal injury Failure to observe the following instructions could result in serious injury to the operator or persons in the operational area CAREFULLY READ THESE INSTRUCTIONS and be sure to question your SNAPPER Dealer if in doubt about anything Should the Dealer not answer to your satisfaction write or call the SNAPPER Customer Service Department at McDonough Georgia 30253 Phone 404 954 2500 1 PN AASwOR 11 12 Become thoroughly familiar with all controls and learn how to STOP tine rotation quickly in preparation for emergencies Never allow children or immature uncoordinated or inexperienced persons to operate your Tiller Keep everyone safely away from the area being tilled Be especially watchful for children and pets darting into th2. level up to bottom edge of the check plug opening The total capacity of the case is about 1 U S standard quart do not exceed this amount Reinstall plugs and washer after checking REDUCTION GEAR CASE This unit is pre lubricated with Snapper 00 grease and will not normally require additional lubrication MOVING POINTS Grease shift lever roller and cam on traction clutch yoke and other moving surfaces twice a year FIG 12 CHAIN CASE OIL FILL BELT ADJUSTMENT amp REPLACEMENT BELT TENSION ADJUSTMENT Stand tiller on end and swing belt cover up to provide access to belt and idler Pull clutch control to handle bar and observe where idler arm is positioned under the tiller frame With the belt tight the idler arm should be ap proximately parallel to the cross member If at an angle adjust idler at driven pulley by loosening capscrew and shifting position of idler until arm is pulled parallel to cross member when belt is tight Retighten capscrew on idler after adjustment BELT REPLACEMENT To replace belt stand tiller on end swing belt cover up to provide access to belt and idler move shift lever between position R and 1 Remove capscrew washer and lockwasher from the V idler under frame then slide idler down bolt to allow slipping belt on and off the pulley Remove belt by slipping off pulleys and pull out of the frame To install replacement belt thread belt thru opening in back of frame route belt around engine p
3. tiller Make the following checks and perform the services as re quired before each start up PRE START CHECK LIST CHECK ENGINE OIL and bring level up to full refer to engine manual for oil specifications CHECK AIR CLEANER and service according to in structions in Engine Manual CHECK EXTERNAL SURFACES and remove dirt dust accumulation and clean tines as needed CHECK GUARDS to make sure all are in proper posi tion and securely tightened FILL FUEL TANK where fumes will be safely dissipated Refer to engine manual for fuel specifications STARTING STOPPING Know beforehand how to stop the tines wheel drive and engine in preparation for possible emergencies The engine is stopped by either moving the ENGINE IGNITION keyswitch to OFF or by pulling the engine THROTTLE CONTROL rearward to OFF Tine rota tion is stopped by either shifting the TINE CLUTCH control to disengaged position or by releasing the CLUTCH CONTROL which stops both the drive wheels and tine rotation even with the TINE hes in engaged position Operate engine as ollows STEP 1 Shift the transmission into 1 speed posi tion move the TINE CLUTCH into disengaged posi tion and make sure CLUTCH CONTROL is in releas ed position STEP 2 Insert the key and turn the ENGINE IGNI TION switch to RUN POSITION STEP 3 On cold starts move the engine THROTTLE CONTROL forward into CHOKE position STEP 4 Move around to right side of unit and pull ROPE
4. tiller diagonally across the rise to gain traction FIG 7 BELT COVER SWUNG AWAY TO REVERSE TINE ROTATION SELECTION As received the tiller is set up for forward rotation which is best for cultivating and seed bed prepara tion In this mode the tines rotate in the same direc tion as the driving wheels The direction of tine rota tion is easily changed to reverse rotation when desired for breaking sod or new ground CHANGE TINE ROTATION with engine off as follows Remove the wing nut and washer on the front stud of the belt cover pull the cover outward over this stud then swing the cover rearward and out of the way over the belt pulley With the clutch con trol released there is sufficient slack to slip the belt off the pulley for changing the arrangement as shown in figure 8 TO CHANGE FROM FORWARD TO REVERSE TAKE BELT OFF TOP OF BIG PULLEY PULL TOWARD YOU AND HOLD LIFT BELT FROM BOTTOM AND PUT IN TOP OF PULLEY TO CHANGE FROM REVERSE TO FORWARD TAKE BELT OFF BOTTOM OF BIG PULLEY PULL TOWARD YOU AND HOLD IN LEFT HAND REMOVE BELT FROM TOP AND PULL DOWN PLACE BELT HELD BY LEFT HAND UNDER LITTLE PULLEY AND OVER BIG PLULLEY TO FORWARD A FIGURE 8 TINE ROTATION BELT CHANGES Kai l 6 GUIDE PIN D TO FORWARD B MAKE SURE BELT IS RUNNING TRUE UNDER LIT TLE PULLEY AROUND BIG PULLEY AND ABOVE GUIDE PIN SWING BELT COVER FORWARD amp INSTALL WINGNUT SNAPPER two way tines are sh
5. S A
6. STARTER on engine in smooth steady motion until engine starts To prolong the life of the rope quide the starter handle back to the engine rather than allowing it to snap back STEP 5 Allow brief engine warm up period then move the engine THROTTLE CONTROL rearward to the desired FAST or SLOW speed setting Refer to TILLING PROCEDURE section on next page STEP 6 To stop the engine move the ENGINE IGNI TION switch to OFF or pull the engine THROTTLE CONTROL rearward io OFF HANDLE BAR ADJUSTMENT The handle bar can be moved horizontially from the center position to two positions on each side by pull ing the HANDLE RELEASE control rearward and sw inging the handle bar to the desired position Push the HANDLE RELEASE toward the panel to lock in position The handle bar can be raised or lowered by loosening the bolts with a 9 16 wrench as shown in figure 6 Securely tighten the bolts after adjusting TRANSPORTING TO SITE To avoid gouging the lawn or pavement raise the tines to clear the surface before transporting the unit to the tilling site Release the CLUTCH CON TROL and lift the rear of the tiller to take the weight off the skid arm then push it downward into the notch setting which will allow the tines to clear the surface Pull the CLUTCH CONTROL back to the handle bar to engage the wheel drive and transport to the tilling site Transport with TINE CLUTCH in disengaged position TILLING PROCEDURE The tiller is i
7. Tiller may be stored on end however the following steps must be taken 1 Drain gasoline from fuel system and drain the engine crankcase oil refer to engine manual for details 7 2 After standing the Tiller on end check the plugs in the chain case for leakage After extended period some grease may seep thru upper bearing races 3 At the start of the new season replenish engine crankcase oil and add gasoline to the fuel tank after returning the Tiller to its wheels 4 Before starting move the ENGINE CONTROL to OFF and pull rope starter slowly several times If ex cessive resistance is felt remove the spark plug and pull rope starter rapidly to spin the engine and clear oil from the cylinder Clean and reinstall the spark plug before attempting to start the engine SERVICE NOTES SEALED LEAD ACID BATTERY This battery can usually be placed in service as received However it may be of benefit to give it a short 3 hour charge before use Use a charger rated at 2 amps or less unless the charger is an automatic or voltage regulated charger in which case the charger can be rated as high as 6 amps Do not charge for more than 24 hours When making electrical connections make sure the red wire is connected to the positive terminal and the black to the negative When tightening the ter minal bolts be careful not to overtighten and break the battery terminals Always connect the positive terminal first MAINTENANCE C
8. arpened on both edges and are self adjusting to till in forward or reverse rotation without switching the tines from one side to the other They pivot on slots in the tine hub to enter the ground at proper angle to provide maximum penetration SERVICE SERVICE PARTS amp ASSISTANCE To retain the original quality of your Tiller use only genuine Snapper replacement parts Specify the model and serial number as found on the nameplate of your Tiller when contacting your Snapper Dealer for parts or service assistance Only numbers of cer tain routine service parts are listed in this manual Your Snapper Dealer has a complete listing of all components For engine parts look for the engine manufacturer s dealers under the heading ENGINES gasoline in the yellow pages of your telephone directory Snapper Dealers are listed under LAWN MOWERS FIG 9 TILLER ON END FIG 10 TINE DETAIL STANDING TILLER ON END Many of the services described in the following specify standing the tiller on end for easy access to components on the underside of the frame The Tiller may also be stored during the off season on the front stand up bar If the fuel tank is less than half full the fuel should not leak out of the filler cap Take necessary steps to prevent fuel leakage before standing on end If the tiller is stored on end for any length of time check for oil leakage CAUTION Never stand the tiller on end with the engine runn ing Stop
9. e area while operating Wear protective clothing and appropriate shoes to provide best footing on uneven terrain Persons under the influence of alcohol or drugs MUST NOT be allowed to operate your Tiller Stay alert give complete and undivided attention to the job on hand Fill fuel tank ONLY when engine is STOPPED and NOT HOT Fill outside where fumes can be safely dissipated Make sure clutch is disengaged BEFORE attempting to start Keep feet hands and clothing safely away from tines at ALL times Disengage the tines and STOP the engine BEFORE making any adjustments attempting to clean or clear the tines or leaving the Operator s position even momentarily Remember to avoid operating the engine in any enclosed area where deadly exhaust fumes could accumulate SNAP P ER sonour GA 30253 U S A MANUAL No 1 4685 Rev 3 8 93 A TINE CLUTCH CONTROL FIG 2 PANEL CONTROLS WHEEL DRIVE FIG 3 CLUTCH CONTROL QO L 9 A FIG 4 TRANSMISSION SHIFT LEVER This manual covers the recommended operating procedures and routine service requirements for the Snapper RT8 amp RT8S Rear Tine Tillers The S designation indicates electric start Specific details involving the engine are found in the separate engine owner s manual Study these manuals before operating and keep both handy for future reference OPERATING INSTRUCTIONS Be thoroughly familiar with all controls and how to use them before operating your
10. harge the battery before long periods of storage and every 3 months thereafter Remove the negative lead from the battery when the batterv is being stored to prevent the battery from discharging Coat the terminals and connectors with grease to reduce corrosion CAUTION This battery contains sulfuric acid which may leak if case is broken If any acid comes in con tact with skin or clothing follow these instructions l EXTERNAL CONTACT Immediately flush skin or eyes with water for at least 15 minutes Call a physician immediately INTERNAL Drink large quantities of tap water or milk Take milk of magnesia or whites of eggs Do not give emetics Call a physician immediately HEX HEAD SCR EW en EXT TOOTH LOCKWASHER NEGATIVE GROUND WIRE PRECAUTIONS Keep cigarettes sparks flames away from the battery at all times as it may vent ex plosive gases while being charged Keep the battery out of reach of children Do not puncture the case of the battery as it contains acid which can burn skin and injure eyes SNAPPER TRACTOR CONVERSION amp ACCESSORIES Your Tiller can be converted to an even more versatile garden tool with the addition of the optional Cultivator or Hiller Furrower Kits in addition removal of the tiller head unit simply disconnect belt and pull clevis pin securing the head to tractor frame allows using Hauling Tray when tractor unit is fitted with a No 6 0567 Hitch Adapter The front moun
11. nitially set up in the forward tine rota tion mode which is best for cultivating and seed bed preparation Tine rotation can be quickly changed by following the instructions on page 4 Prepare for till ing as follows 1 SET HANDLE BAR in desired position before engaging CLUTCH CONTROL 2 SET SKID ARM in highest position for deepest tilling depth and intermediate notches for lesser depth NOTE If you are familiar with front tine tillers this is opposite of the skid arm setting recommendations 3 SET SPEEDS to begin tilling by shifting the transmission into 1 speed and moving the engine THROTTLE CONTROL to fast 4 BEGIN TILLING by pushing TINE CLUTCH con trol to engaged position and pulling CLUTCH CONTROL back to handle At the end of the row disengage the TINE CLUTCH but hold the CLUTCH CONTROL to handle bar to continue the wheels driving while turning 5 TILLING HINTS Let the tiller do the work Do not try to hold it back A slight down pressure on the handle bar is usually all that is required to keep the tines firmly in the ground 6 ROUGH TERRAIN HINT If tilling over very rough uneven ground till at light depth setting on the first path to smooth the surface On especially rough terrain the tiller could hang up underneath with the wheels Spinning free Under this condition the transmission will be hard to shift Rather than attempting to force the shift lever into reverse lift the handle bar then turn the
12. rocedure D SS CT Toy IE a FIG l4 CLUTCH UPPER ADJUSTMENTS DRIVEN nr i DRIVE DISC 1 FORWARD REVERSE LD FIG 15 DISC FORWARD amp REVERSE POSITIONS DRIVEN DISC SERVICE if the wheels loose traction stand the tiller on end and check the rubber driven disc Poor traction could be caused by an excessively worn driven disc or by improper positioning of the disc If the rubber disc appears in good condition shift the transmis sion into reverse then into 1 forward position In both settings the rubber disc should be located out side of the indentation in the center of the metal drive disc If the rubber disc rides on the edge of in dentation in either setting loosen the screws holding the shift detent to the frame then tilt the de tent until the rubber disc is outside the edge of the indentation Securely tighten the detent screws The disc should be about equal distance from the outer edge of the indentation in both reverse and 1 posi tions when properly adjusted Replace the driven disc if worn unevenly or if worn down to the point where it no longer makes firm con tact with the drive disc To replace remove the three flange nuts slip the old disc off the hub then instal replacement and secure with the three flange nuts w PRIMARY REDUCTION GEAR CASE OFF SEASON STORAGE Thoroughly clean all external surfaces and tines before storing the Tiller The
13. ted Dozer Blade does not MANUAL No 1 4685 Rev 3 8 93 available garden tool kits CULTIVATOR 4 Shank Shovel No 6 0730 HILLER FURROWER No 6 0731 DOZER BLADE sca casen anake No 6 0606 HAULING TRAY saeee5 enducsicet tine No 6 0559 on these and other kits SNAPPER 2 YEAR LIMITED WARRANTY For two 2 years from purchase date for the original purchaser s residential non commercial use SNAPPER through any SNAPPER dealer will replace free of charge any part or parts found upon examination by the factory at McDonough Georgia to be defective in material or workmanship or both 52 IRTSIIVSIS For ninety 90 days from purchase date for the original purchaser s commercial rental or other non residential use SNAPPER through any SNAPPER dealer will replace free of charge any part or parts found upon examination by the factory at McDonough Georgia to be defective in material or workmanship or both All transportation costs incurred by the purchaser in submitting material to a SNAPPER dealer for replacement under this warranty must be paid by the purchaser This warranty does not apply to engines and their components or Peeriesse Transaxles as these items are warranted separately by their manufacturers This warranty does not apply to parts that have been damaged by accident alteration abuse improper lubrication normal wear or other cause beyond our control There is no o
14. the engine and disconnect the spark plug wire to prevent accidental starting before standing on end TILLER TINES TINE SERVICE Snapper two way tines are sharpen ed on front and rear edges to cut in either directon Check periodically for freedom of movement of the tine blades and for loose or missing fasteners The tine blades must be free to pivot on the hub plates Replace tine blades when badly worn or damaged Use Snapper 3 2424 tines and 1 4981 Shoulder bolts and 9 0524 locknuts for replacement purpose or order complete tine assembly 5 1513 The same assembly is used on both sides of the chain case The tines are bolted securely to the tine shaft witha special shear boit Snapper 1 4586 and locknut 9 0289 on each side Keep spares on hand in case a bolt shears off or becomes lost while tilling FIG 11 CHAIN CASE OIL CHECK SERVICE NOTE Since a tiller normally operates under extremely dusty or dirty conditions the air cleaner engine oil and cooling fins must be serviced as specified in the engine manual at frequent inter vals The Tiller itself should be serviced as follows LUBRICATION TILLER CHAIN CASE Check the level of the oil in the chain case each time the engine oil is changed Check by removing the check plug and washer located just above the tine shaft The level should be up to the edge of the opening To add oil remove the plastic plug on upper side of case add Snapper OO grease as needed to bring
15. ther express warranty Implied warranties including those of merchantability and fitness for a particular purpose are limited to two 2 years from purchase date for the original purchaser s residential non commercial use ninety 90 days from purchase for the original purchaser s commercial rental or other non residential use and to the extent permitted by law any and all implied warranties are excluded This is the exclusive remedy Liabilities for consequential damages under any and all warranties are excluded Some states do not allow limitations on how long an implied warranty lasts or do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state ARNING THE USE OF REPLACEMENT PARTS OTHER THAN GENUINE SNAPPER PARTS MAY IMPAIR THE SAFETY OF SNAPPER PRODUCTS AND WILL VOID ANY LIABILITY AND WARRANTY BY i SNAPPER ASSOCIATED WITH THE USE OF SUCH PARTS IMPORTANT Please fill out the attached SNAPPER Product Registration Card immediately and mail to SNAPPER McDONOUGH GEORGIA 30253 SRORSRSRORSWOROWOnOROhOnORONOWORON OROWORONOWONOWORONOW ONOROROWOROMOROROWOM OMOROROMOROR SNAPPER v o 1 202535 P meaty e brea require the Hitch Adapter Refer to the list below for Contact your SNAPPER Dealer for complete information Printed in U
16. ulley idlers and belt guide then slide V idler back and secure with the fasteners removed earlier Use care to insure that belt is kept straight over tiller pulley and idler and in desired tilling mode Readjust belt tension as required fe ee PA FIG 13 CLUTCH LOWER ADJUSTMENTS CLUTCH ADJUSTMENT To check clutch adjustment stand tiller on front end Measure the length of both springs at the end of the control cables then move the CLUTCH CON TROL up to the handle bar and measure the extend ed length of both springs When properly adjusted the springs should extend 1 4 to 1 2 inches when clutch is engaged If adjustment is required reposi tion the jam nuts on the threaded ends of the cable conduits One end of the conduit is located under the handle bar center panel and the others on the right side of the frame The one in back is for tine rotation and the center is for wheel traction To in crease spring extension turn the jam nuts toward the end of cable or to decrease closer to the cable fittings Additional clutch adjustment can be made if necessary at the idler under the belt cover refer to BELT TENSION adjustment for this procedure CLUTCH TEST Return tiller to wheels start engine and pull CLUTCH CONTROL to handle bar then release and observe tines and wheel drive which should stop if tines or wheels continue after clutch control is released the clutch spring extension is too great Readjust using the foregoing p
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