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Istruzioni per l'uso MTD, Modello 197-987A

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197-987A 197-989A / /7 7* ^ ¿feo K~J 40” TILLER ATTACHMENT PRINTED IN U.S.A. FORM NO. 770-7179 • ASSEMBLY • OPERATION • MAINTENANCE • PARTS LIST Important: Instructions Carefully Your new tiller attachment comes unassembled from the factory. You will need two adjustable wrenches and one hammer to complete the assembly of your tiller. LIST OF CONTENTS IN HARDWARE PACK. (See figure 1) A (4) Hex Screws 5/8-11 x 1-1/2" long B (6) Lockwashers for 5/8" screw C (4) Hex Screws 1/2-13 x 1-1/4" long D (4) Lockwashers for 1/2" screw E (4) Spring pins 3/8" Dia. x 2" long F (3) Hair pin cotters for 5/8" Dia. G (2) Link Clevis Pins H (2) Hex Lock Nuts 5/8-18 Thread I (1) Clevis Pin 5/8" Dia. x 2" long J (4) Hex Screws 5/16-24 x 3/4" long K (4) Lockwashers for 5/16" screw L (4) Hex Nuts 5/16-24 Thread M (2) Hair Pin Cotters for 3/8" Dia. N (2) Clevis Pins 3/8" Dia. x 1-1/4" long O (1) Spring Pin 5/16" Dia. x 1-3/4" long P (1) Square Head Pipe Plug-Vented Q (10) Carriage Bolts 5/16-18 x 1" long R (10) Lockwashers for 5/16" Screw S (10) Hex Nuts 5/16-18 Thread REPLACE IVITH VENTED PIPE PLUG (P) .ADJUSTABLE WRENCH FIGURE 2 3. With an adjustable wrench remove the pipe plug and replace with vented pipe plug (P) provided in hardware parts pack. See figure 2. 4. Assemble the right and left hand tine assemblies to gear box, with four spring pins (E). A hammer is required. See note below before continuing. ■HI ' I m IB NOTE Right and left hand is determined from behind the gear box. The sharp edge of the tines must enter the soil first. See figures 3 and 4. FIGURE 1 ASSEMBLY INSTRUCTIONS 1. Remove the tiller, all loose parts and hardware parts pack from the carton before discarding the carton. 2. Place the gear box so that the pipe plug is up, as shown in figure 2. 2 FIGURE 3 FIGURE 4 FIGURE 6 Install tiller pivot bracket assemblies. An adjustable wrench is required. Place pivot bracket in position on gear box as shown in figure 5. Secure with four hex screws (A) and lockwashers (B). See figure 5. 7. Install cover bracket assembly to gear box (as shown in figure 7) using four hex screws 1/2-13 x 1-1/4" (C) and 1/2" lockwashers (D). An adjustable wrench is required. FIGURE 5 Insert link clevis pins (G) through outside holes of pivot bracket assemblies. Using two adjustable wrenches, tighten link clevis pins in place with lockwashers 5/8" (B) and hex center lock nuts 5/8-18 (H). See figure 6. 3 All hex screws should be hand tightened. When _all_ screws are in place, then tighten with adjustable wrench. FIGURE 7 I 8. Place tiller cover assembly in position on the tiller cover bracket as shown in figure 8. Using six 1" carriage bolts (Q), six 5/16" lockwashers (R) and six 5/16-18 hex nuts (S) start by hand. Do Not Tighten. a. Place two of the carriage bolts in the top center of the cover first. See figure 8. b. Place the next two carriage bolts in the rear of the cover as shown in figure 8. c. Place two more carriage bolts in the front of the cover as shown in figure 8. d. Do not tighten any of the six bolts in step 8 until step 9 is completed. 10. Using an adjustable wrench, tighten all ten carriage bolts used in steps 8 and 9. 11. Block up the front of the tiller so that the input shaft is clear of the ground. Place the universal drive shaft in position on input shaft of gear box and secure with spring pin (0). See figure 10. A hammer is required. FIGURE 10. FIGURE 8. 9. Using the four remaining carriage bolts (Q), lockwashers (R) and hex nuts (S), assemble tiller cover straps to cover bracket and cover. See figure 9. ATTACHING TILLER TO TRACTOR FIGURE 9. 4 1. Before attaching the rotary tiller to the tractor, be sure the rear wheels on the tractor are all the way into the minimum rear wheel width. Refer to your tractor manual. 2. Raise the undercarriage on the tractor, by pulling the lift lever back. 3. Remove the locking clip on each side of the tractor. See figure 11. 4. Turn locking clips around and reassemble to tractor as shown in figure 12. Be sure the locking clip is under edge of undercarriage. FIGURE 12 5. Remove the draw bar assembly from the three point hitch of your tractor by removing the two cotter hairpins. 6. Place tiller behind the tractor. 7. Remove the turn buckle from the tractor. Remove chains and hook bolts from three point hitch. 5 8. Slide the tiller forward so the universal drive shaft can be attached to the P.T.O. shaft. See figure 13. 9. Slide end of universal drive shaft overend of P.T.O. shaft and secure with set screws. See figure 13. 10. Preset the pull rods on the tractor, so you have 32-3/4 inches from hole center to hole center. See figure 13. 11. Preset turn buckle to 12-1/2 inches as shown. See figure 13. 12. Assemble turn buckle to tractor using the top hole of bracket on tractor. See figure 13. 13. Assemble other end of turn buckle to tiller cover bracket, using the top hole. Secure with clevis pin (I) and hair pin (F). See fi...