J9 Mechanical Tiller 30-Inch OPERATOR’S MANUAL OMM141979 J9 North American Version Litho in U.S.A.
INTRODUCTION Introduction Thank You for Purchasing This Product We appreciate your business and wish you many years of safe and satisfied use of your machine. cCAUTION: Avoid injury! ! This symbol and text highlight potential hazards or death to the operator or bystanders may occur if the hazards or procedures are ignored. Using Your Operator’s Manual This manual is an important part of your machine and should remain with the machine when you sell it.
PRODUCT IDENTIFICATION Product Identification Record Identification Numbers Mechanical Tiller 30-Inch Serial No. (010001 - ) If you need to contact an Authorized Service Center for information on servicing, always provide the product model and serial number. You will need to locate the identification number for the machine and for the engine. Record the information in the spaces provided below.
TABLE OF CONTENTS Table of Contents Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Prepars Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Installing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SAFETY CAUTION (B) Safety Understanding The Machine Safety Labels M74626 B The machine safety labels shown in this section are placed in important areas on your machine to draw attention to potential safety hazards. On your machine safety labels, the words DANGER, WARNING, and CAUTION are used with this safety-alert symbol, (c). DANGER identifies the most serious hazards.
SAFETY • DO NOT let children or an untrained person operate machine. BEFORE DISMOUNTING OR SERVICING • Shut off engine and remove key. • Lock brake for park. • Lower or block up machine. • Raise tiller as-high-as it will go before you drive between work areas. • DO NOT use tiller near the edge of a ditch or bank. Tiller can push tractor. Operate Safely • Check vehicle brake action before you operate. Adjust or service brakes as necessary. • Inspect machine before you operate.
SAFETY Practice Safe Maintenance • Understand service procedure before doing work. Keep area clean and dry. • Never lubricate, service, or adjust machine while it is moving. Keep safety devices in place and in working condition. Keep hardware tight. • Keep all parts in good condition and properly installed. Fix damage immediately. Replace worn or broken parts. Remove any buildup of grease or debris. • Do not modify machine. Unauthorized modifications to the machine may impair its function and safety.
PREPARE VEHICLE Prepare Vehicle Remove Mower Deck Tractor mower deck must be removed from before installing tiller. See your tractor operator’s manual or mower deck manual for removal instructions. Ballasting Requirements All tractors require front wheel weights to be installed when using this tiller. Follow these recommendations to help improve traction: • Install tire chains on turf tires or install bar tires on the tractor. • Install rear wheel weights.
INSTALLING Move Implement Lift Lever Installing Park Vehicle Safely • Stop vehicle on a level surface, not on a slope. • Disengage PTO. • Engage the park brake. • STOP the engine. • Remove the key. B A • Before you leave the operator’s seat, wait for engine and all moving parts to STOP. Setting Depth Control Knob M97160 1. Pull implement lift lever (A) rearward slightly, then depress and hold down button (B) to unlock lift lever locking mechanism. 2.
INSTALLING handle (B) to rotate tiller housing while pulling left frame rail upwards to gain clearance to lower frame wheels (C). 2. Unlock locking pin (D) and rotate frame wheel down into engaged position and make sure locking pin locks into locking hole. Lock right frame wheel down into engaged position in similar fashion. Engage Frame Support Rod cCAUTION: Avoid injury! Maintain a secure grasp of lift handle until support rod is in place.
INSTALLING Disengage Frame Support Rod cCAUTION: Avoid injury! Maintain a secure grasp of lift handle (B) until tiller frame clips (A) are seated against mounting pins (D). IMPORTANT: Avoid damage! Check that belt tensioning idler spring (G) is installed in top detent of belt tensioning lever (D). Damage to spring may occur or tensioning of idler may not apply proper tension on drive belt if spring is installed in the lower detent. Keep hands clear of pinch areas between tiller and tractor frame.
INSTALLING tiller lift rod (B) upright, align tractor lift link (A) so pin (C) fits into hole (D) of lift link (A). C E E C D F F G M96294 M96284 2. Install M13 x 24 x 2.5 mm washer (E), from bag of parts, on lift rod pin (C). 3. Fasten lift rod to lift link with spring locking ring (F), from bag of parts. 3.
REMOVING Disconnect Tiller Lift Rod From Tractor Lift Link And Unhook Right Clip Latch Removing Park Vehicle Safely • Stop vehicle on a level surface, not on a slope. • Disengage PTO. • Engage the park brake. • STOP the engine. • Remove the key.
REMOVING Disengage Belt And Unhook Left Clip Latch B C stationary while you rotate transport locking pin handle (H) rearward until spring tension “LOCKS-OUT” pin into “TRANSPORT” position. 5. Slowly lift housing handle (E) up-and-down to ensure pin is “LOCKED-OUT” before letting go of handle. Engage Frame Support Rod cCAUTION: Avoid injury! Maintain a secure grasp of lift handle until support rod is in place. Keep A M96283 hands clear of pinch areas between tiller and tractor frame. 1.
REMOVING Lock Frame Wheels Into Engage Position Remove Tiller From Tractor Rear-Frame Mounting Hardware A A A M41781 M96277 1. Move to left rear, behind tractor drive wheels—pull and hold out wheel locking pin (A). 1. Get a helper or use a floor jack with wheels to safely support and slide tiller housing as you slide frame hooks (A) from of rear-frame mounting hardware (B). 2. Swing left wheel assembly (B) down into “ENGAGE” position. Make sure locking pin engages hole in locking bracket.
OPERATING Always pick up rocks, branches, and other objects that might damage tiller. Operating Tilling Tips Install correct front and rear tractor weights. See Install Weights and Chains in Installing the Tiller section. Always check tines before tilling. Repair or replace loose, bent, or broken tines. IMPORTANT: Avoid damage! DO NOT back up or make sharp turns with the tiller in the ground.
OPERATING Move Implement to “RAISE” Position “FLOAT” Position allows implement to move with contour of ground which causes the lift spring in the lift linkage to exert maximum depth force on tiller weight. “FLOAT” position performs best in light-to-medium soils: such as sandy, loam, or soils previously tilled. B A Using Depth Control Knob Adjust depth control knob to set tilling depth. Tiller will return to the same depth each time you lower it. M97160 B 1.
OPERATING B E C A H D M96289 M96284 3. Move to right side, below tractor footrest—remove spring locking ring (A) and flat washer (B) form lift rod pin (C). • Measure distance (H) between ground and the lowest tine. The distance should be 75 mm (3-in.). 4. Remove lift rod (D) form tractor lift link (E). Operating Tiller IMPORTANT: Avoid damage! cCAUTION: Avoid injury! DO NOT expose more than 30 mm (1-1/4 in.
OPERATING E C D F G M96294 A 2. Move to left side of tiller housing—grasp handle (C) to raise tiller housing to remove pressure on transport locking pin (D) and continue to hold tiller housing stationary while you pull transport locking pin (D) out and rotate it forward into “LOCK-OUT” position, rolled pin (E) locked in frame slot (F). 3. Slowly lower tiller housing down (G) against tractor lift linkage. 4. Start engine. Put throttle lever at 1/4 position.
OPERATING mechanism. 2. Pull lift lever (A) reward out of “LOWER” position (shown), release button (B) and continue to pull lever allthe-way reward until a loud metallic-click is heard, signalling lever is in “LOCK-OUT” position, then release lift lever—it is now locked into “RAISE” position, lift lever in close proximity to steering wheel. F E C D G M96294 3.
SERVICE Service Service Intervals 5 Hours Check belt tension. Clean under belt shield. 10 Hours G Lubricate drive sheave bearing. Lubricate rear jackshaft. F Checking Belt Tension M96300 • Move to left rear of tiller frame—loosen nut (F) on the idler pulley. A C H M96301 Picture Note: Tiller removed for clarity purposes only. 1. Check position of belt tension rod (A): M41784 • To tighten belt—turn bolt (G) counter-clockwise until a 3 mm (1/8 in.
SERVICE Cleaning Under Belt Shield Lubricating Drive Sheave Bearing B B A A M96309 M96299 Picture Note: Tiller removed for clarity purposes only. Picture Note: Tiller removed for clarity purposes only. Move to front of tiller frame—lubricate drive shaft assembly bearing (A) at grease fitting (B) with a Multi-Purpose Grease, or equivalent, until grease comes out of bearing seals. 1. Move to left side of tiller housing—remove two selftapping cap screws (A) and belt shield (B).
SERVICE B B A E D A C C C M96301 D 2. Loosen flange lock nut (A) on tensioning idler. Move belt guide (B) away from belt. 3. Loosen top jam nuts (C), one on each side, to tilt guide bolts (D) away from drive sheave. 4. Remove belt. M96300 2. Remove two self-tapping cap screws (A) to remove belt shield (B). 3. Loosen flange nut (C) to loosen tensioning idler (D). 4. Turn bolt (E) clockwise to move tensioning idler (D) up in the slot. Install Primary Drive Belt 1.
SERVICE J E K K M96305 I 7. Remove secondary belt (K) from tiller drive sheave. F Install Secondary Drive Belt M96300 B A C M41766 H 1. Install new secondary drive belt with one twist (A), as shown, to seat “V” of belt in secondary drive sheave (B). DO NOT cross-over belt (forming an “X” pattern) when installing or tiller drive rotation will be reversed. M41784 3.
SERVICE 2. Raise tiller as high as it will go if still on tractor. NOTE: For ease in replacing tines, you can remove tiller from the tractor and turn it completely upside down. Put down protective tarp or carpet to protect paint finish. 3. Put tiller in TRANSPORT position. (See Transporting Tiller in OPERATING section.) NOTE: Make sure you install the new tines and hardware EXACTLY as the old tines and hardware were positioned. Use the pictures to help you install tines correctly.
SERVICE Replacing Shaft Bolts D B E C B A A M96317 1. Move to left side of tiller shaft—remove lock nuts (A) and bolts (B). M96318 • MiddleTine Sets: Remove lock nuts (A), bolts (B), spacers (C), two left tines (D), and two right tines (E). Remember to install new bolts so heads are to left side and new lock nuts are to right side. A total of eight spacers are used in these middle tine sets—four in each set. 2. Align shaft holes and install new bolts (B) and lock nuts (A).
TROUBLESHOOTING Troubleshooting Using Troubleshooting Chart If you are experiencing a problem that is not listed in this chart, see your authorized dealer for service. When you have checked all the possible causes listed and you are still experiencing the problem, see your authorized dealer. IF CHECK Tiller is Noisy Tines need to be straightened, tightened or replaced. Rocks and debris in tilling area. Erratic Tiller Operation Tines need to be straightened, tightened or replaced.
STORAGE Storage Storing Tiller 1. Remove tiller from tractor. (See the REMOVING section.) 2. Clean tiller with water pressure. 3. Check belts. If necessary, get new belts from your Authorized Service Center. DO NOT install the new belts until you take tiller out of storage. 4. Replace or repair badly worn or damaged parts. 5. Paint scratched areas to prevent rust. 6. Lubricate two grease points. (See the SERVICE section.) 7. Store tiller on a hard, level surface in a clean, dry place.
ASSEMBLY Assembly Identify Parts – 30 Inch Mechanical Tiller Bag of Parts C A D B E H F J I G L K N O M P Q M96254 M96256 Qty. Used Part Description 1 Handle, Lift (A) Size 2 Pin, Mounting (B) 1 Sheave, Idler (C) 1 Guide, Belt (D) 2 Bolt, Flange (E) M12 x 1.75 x 50 mm 2 Bolt, Flange (F) M6 x 1.00 x 30 mm 4 Bolt, Hex (G) M8 x 1.25 x 25 mm 1 Bolt, Flange (H) M8 x 1.25 x 50 mm 2 Spacer, Rear (I) 2 Nut, Flange (J) M6 x 1.00 mm 5 Locknut, Flange (K) M8 x 1.
ASSEMBLY Install Tractor Rear-Frame Hardware A F C B C E M96278 C B A 2. Place draft arms (A) back in their original positions. Make sure spacers (E) are installed properly inside draft arms (A). M96287 M96276 1. From bag of parts, install one spacer (A) on each M12 x 1.75 x 50 mm flange bolt (B). 2. Install spacers and bolts in BOTTOM holes at rear of tractor frame and secure with M12 x 1.75 locknuts (C) on inside of tractor frame. Tighten locknuts to 105 N•m (78 ftlb). 3.
ASSEMBLY Put Tiller Frame Rails In Transport Position B F B D C E A M96259 C M97633 A 2. From bag of parts, position idler sheave (A) and belt guide (B) onto tiller tensioning arm (C). Make sure shoulder (D) on sheave is seated against the belt guide. 3. Install M8 x 1.25 x 50 mm flange bolt (E) from bottom side of tensioning arm. Install M8 x 1.25 locknut on top side of sheave finger tight only. M96275 M96274 2.
ASSEMBLY NOTE: Make sure belt guide does not move out of position when tightening locknut. 6. Tighten M8 x 1.25 locknut to 40 N•m (354 lb-in.). 7. After tightening, make sure the idler sheave rotates freely on the tensioning arm. 8. Pull the belt tight and make sure belt guide does not contact idler sheave or belt. Adjust Tiller Lift Rod C B A M96256 C B A M96272 Turn threaded end (B) of tiller lift rod (A) clockwise into clevis (C), far enough so three-to-four threads are exposed inside clevis.
SPECIFICATIONS Specifications Tiller Specifications Tiller Specifications Dimensions: Cutting Width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 762 mm (30-in.) Maximum Cutting Depth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150 mm (6-in.) Maximum Lift Height . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INDEX Index B Ballasting Requirements .........................................4 Before Tilling ........................................................12 Belt Shield, Cleaning Under .................................18 Belt Tension, Checking .........................................17 Belt, Disengage .....................................................10 Belt, Install ..............................................................7 C Clips, Tiller Frame Rails - Install .........................
NOTES Notes Notes - 31
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