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MTD 390 Shown manual

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Table of contents for the manual

  • Page 1

    IMPORTANT: Read safety rules and instructions carefully before operating equipment. MTD PRODUCTS INC. P.O. BOX 368022 CLEVELAND, OHIO 44136-9722 Front Tine Tillers Models 340 Thru 390 PRINTED IN U.S.A. Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest- covered, brush-covered or[...]

  • Page 2

    2 TABLE OF CONTENTS Content Page Important Safe Operation Practices ................................................................... 3, 4 Assembling Your Tiller ....................................................................................... 5 Know Your Tiller ...............................................................................[...]

  • Page 3

    3 SECTION 1: IMPORTANT SAFE OPERATION PRACTICES This Symbol Points Out Important Safety Instructions Which, If Not Followed, Could Endanger The Personal Safety And/or Property Of Yourself And Others. Read And Follow All Instructions In This Manual Before Attempting To Operate Your Tiller. Failure To Comply With These Instructions May Result In Pers[...]

  • Page 4

    4 CHILDREN • Tragic accidents can occur if the operator is not alert to the presence of small children. Children are often attracted to the tilling activity. Never assume that children will remain where you last saw them. • Keep children out of the work area and under the watchful eye of a responsible adult other than the operator. • Be alert[...]

  • Page 5

    5 SECTION 2: ASSEMBLING YOUR TILLER NOTE: This operator’s guide covers three different model tillers. Models 340 thru 345 have forward tine drive only. Model 390 has both forward and reverse tine drive. Follow only the instructions which pertain to your model tiller. See the model plate on your tiller for the correct model number. IMPORTANT: This[...]

  • Page 6

    6 Figure 3 Attaching Clutch Control Cable(s) Forward Cable Attach the end of the forward cable to the bracket underneath the handle assembly as follows. (On model 390, the forward clutch cable is the cable which is attached closer to the rear of the tiller). • Loosen the hex nut on the threaded rod near the end of the cable, and move it up the ro[...]

  • Page 7

    7 Final Clutch Adjustment To check the clutch cable adjustment, proceed as follows. • Disconnect the spark plug wire and move it away from the spark plug to prevent accidental starting. • Engage and release the tine engagement handle, then the reverse tine engagement lever (model 390 only). If an excessive noise is heard when releasing either t[...]

  • Page 8

    8 Choke Lever (Model 340/390) The choke lever is located above the throttle control. It is used to enrich the fuel mixture when starting a cold engine. See Figure 8. Primer Button (Model 345) The primer button is located behind the air cleaner. It is used to enrich the fuel mixture in the carburetor when starting a cold engine. See Figure 8 Forward[...]

  • Page 9

    9 • Pull rope with a rapid, continuous, full arm stroke. Keep a firm grip on starter handle. Let rope rewind slowly. Do not let starter handle snap back against starter. • Repeat preceding instructions 5 and 6 until engine starts. When engine starts, move choke lever on engine halfway between CHOKE and RUN. • Move throttle control to IDLE pos[...]

  • Page 10

    10 Controlling Speed And Tilling Depth • Wheel Yoke Adjustment: Place wheel yoke so that the wheels are forward (nearest point between wheels and tines) for shallow tilling, cultivating and transport. The forward speed will increase. Turn yoke around (farthest point between wheels and tines) for deep tilling. Forward speed will decrease. See Figu[...]

  • Page 11

    11 Throttle Control: The throttle control lever adjusts the engine speed and stops the engine. With the throttle control lever pushed completely forward, the carburetor is in START position. Pulling the throttle control back slightly adjusts the engine speed to FAST. Pulling the throttle back further reduces the engine speed to SLOW. Pull the throt[...]

  • Page 12

    12 SECTION 5: MAKING ADJUSTMENTS WARNING: Disconnect the spark plug wire and ground against the engine before performing any adjustments, repairs, or maintenance. Tine Width Adjustment The tilling width of the unit is 22 inches. See Figure 15. Tilling width can be increased to 24 inches by removing the clevis pins and hairpin clips, sliding the out[...]

  • Page 13

    13 SECTION 6: MAINTAINING YOUR TILLER Lubrication WARNING: Always stop engine and disconnect spark plug wire before cleaning, lubricating or doing any kind of work on tiller. Pivot Points- Remove the belt cover and lubricate all moving parts and pivot points at least once a season using SAE 30 engine oil. Chain Drive- The chain case is pre-lubricat[...]

  • Page 14

    14 Figure 18 • Reassemble the new belt, following instructions in reverse order. Make certain the reverse drive belt is assembled with the wide side of the belt against the transmission and engine pulleys. Be certain to adjust the clutch control as instructed in the final clutch adjustment section of assembly instructions. Forward Drive Belt See [...]

  • Page 15

    15 SECTION 8: TROUBLE SHOOTING GUIDE Trouble Possible Cause(s) Corrective Action Engine fails to start Fuel tank empty, or stale fuel. Throttle control lever not in correct starting position (if so equipped). Blocked fuel line. Dirty aircleaner. Choke not in ON position. Spark plug wire disconnected. Faulty spark plug. Engine flooded. Fill tank wit[...]

  • Page 16

    16 Model 340 Thru 345 1 2 3 4 2 5 6 8 9 10 7 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 25 32 25 38 39 40 41 42 43 44 48 47 45 50 49 46 Standard Briggs & Stratton Tecumseh Engines[...]

  • Page 17

    17 Model 340 Thru 345 Ref. No. Part No. Part Description 1. 712-0442 Acorn Lock Nut 1/4-20 2. 736-3020 Flat Washer .271” I.D. x .630” O.D. 3. 731-1599 Handle Cover 4. 712-0287 Hex Nut 1/4-20 Gr.2 5. 720-0274 Grip-Handle 6. 686-0083 Clutch Handle Assembly 7. 720-0269 Grip-Clutch 8. 710-0641 Hex Bolt 1/4-20 x 2.25” Lg. Gr.5 9. 731-1645A Clutch [...]

  • Page 18

    18 Model 340 Thru 345 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 18 19 19 20 21 22 23 24 25 27 26 28 29 30 31 32 33 34 35 37 36 38 39 40 42 41[...]

  • Page 19

    19 Model 340 Thru 345 Ref. No. Part No. Part Description 1. 712-0392 Hex L-Stop nut 1/4-28 2. 736-3020 Flat Wash. .266” I.D. x .625” O.D. 3. 710-0599 Hex Washer Screw 1/4-20 x .5” 4. 711-0920 Belt Cover Bolt 5. 712-3004A Hex Flange Top L-Nut 5/16-18 6. 710-0723 Hex Hd. Scr. 3/8-16 x 1.25” Lg. 7. 756-0313 Fl-Idler 2.12” O.D. 8. 786-0149 Id[...]

  • Page 20

    20 Model 390 1 2 3 4 5 6 2 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 30 37 30 43 44 45 46 47 48 49 50 51 52 53 54 55 Standard Briggs & Stratton Tecumseh Engines[...]

  • Page 21

    21 Model 390 REF. NO. PART NO. DESCRIPTION 1 712-0442 Acorn Lock Nut 1/4-20 2 736-3020 Flat Washer .271” I.D. x .630” O.D. 3 720-0270A Reverse Handle Grip 4 731-1600 Handle Cover w/o throttle 5 710-0779A Truss Mach. Scr. #10 x 1/2” Lg. 6 720-0274 Grip-Handle 7 712-0287 Hex Nut 1/4-20 Gr.2 8 726-0135 Cap Speed Nut 9 686-0083 Clutch Handle Asse[...]

  • Page 22

    22 Model 390 3 17 18 21 19 16 43 44 46 47 4 5 7 11 2 1 6 8 9 10 15 14 45 38 41 22 40 42 36 39 33 12 13 30 29 32 31 34 35 28 27 49 48 25 26 24 24 23 20 50 51[...]

  • Page 23

    23 Model 390 REF. NO. PART NO. DESCRIPTION 1 712-0392 Hex L-Stop nut 1/4-28 2 736-3020 Flat Wash. .266” I.D. x .625” O.D. 3 710-0599 Hex Washer TT-Tap Scr. 1/4-20 x .5” 4 711-0920 Belt Cover Bolt 5 712-3004A Hex Flange Top L-Nut 5/16-18 (Gr.5) 6 710-0723 Hex Hd. Scr. 3/8-16 x 1.25” Lg. (Gr.5) 7 756-0313 Fl-Idler 2.12” O.D. 8 786-0149 Idle[...]

  • Page 24

    MANUFACTURER’S LIMITED WARRANTY The limited warranty set forth below is given by MTD PRODUCTS INC (“MTD”) with respect to new merchan- dise purchased and used in the United States, its posses- sions and territories. MTD warrants this product against defects in material and workmanship for a period of two (2) years commencing on the date of or[...]