Troy-Bilt 630B-Tuffy, 634F-Bronco, 634B-Super Bronco manuale d’uso

Operator ’ s Manual Rear-tine T iller Models 630B—T uf fy ® 634F—Bronco TM 634B—Super Bronco TM Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-covered, brush-cov- ered or grass-covered land unless the engine ’ s exhaust system is equipped with a spark arrester mee[...]

For more details about your unit, visit our website at www .troybilt.com T ABLE OF CONTENTS Content Page Calling Customer Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

Safety 1 Section 3 T raining 1. Carefully read this Owner’s Manual, the separate Engine Owner’s Manual, and any other literature you may receive. Be thor- oughly familiar with the controls and the proper use of the tiller and its engine. Know how to stop the unit and disengage the controls quickly. 2. Never allow children to operate the tiller.[...]

4 Section 1: Safety 4 . Exercise caution to avoid slipping or falling. 5 . If the unit should start to vibrate abnor- mally, stop the engine, disconnect the spark plug wire and prevent it from touching the spark plug, and check imme- diately for the cause. Vibration is gener- ally a warning of trouble. 6 . Stop the engine, disconnect the spark plug[...]

Section 1: Safety 5 Decals For your safety and the safety of others, various safety and opera- tional decals are located on your unit (see Figure 1-2). Keep the decals clean and legible at all times. Contact your local ser- vice dealer or the factory for replacements if any decals are damaged or missing. Refer to the Parts List pages in this Manual[...]

Assembly 2 Section 6 INTRODUCTION Carefully follow these assembly steps to correctly prepare your tiller for use. It is recommended that you read this Section in its entirety before beginning assembly. NOTE: Various tiller models are presented in this Manual. Use only the information appropriate for your tiller model. INSPECT UNIT Inspect the unit [...]

Section 2: Assembly 7 2. Remove the hairpin cotter (L, Fig. 2-3) and wheel drive pin (M) from the wheel hub (O) and wheel shaft (N). 3. Slide the wheel fully inward on the wheel shaft (N, Fig. 2-3). Reinstall the wheel drive pin (M) through the wheel shaft only (not through the wheel hub). Secure the wheel drive pin with the hairpin cotter (L), pus[...]

8 Section 2: Assembly 4. Thread the #10-24 hex nut (Z, Fig. 2-5) halfway onto the screw (V). 5. Thread the screw (V) into the cable adjuster (X). 6. Hook the cable spring (W, Fig. 2-6) into the V-shaped bend in the Forward Clutch Bail (Y). 7. Check for correct tension on the for- ward drive belt by taking two measure- ments of the cable spring, as [...]

Section 2: Assembly 9 STEP 6: CHECK LEVEL OF TRANSMISSION GEAR OIL The transmission was filled with gear oil at the factory. However, you should check the gear oil level at this time to make cer- tain it is correct. IMPORTANT: Do not operate the tiller if the gear oil level is low. Doing so will result in severe damage to the transmis- sion compone[...]

Features and Controls 3 Section 10 INTRODUCTION This Section describes the location and function of the controls on your tiller. Refer to the following Section, Operation for detailed operating instructions. Practice using these controls, with the engine shut off, until you understand the operation of the controls and feel confi- dent with each of [...]

Section 3: Features and Controls 11 FORWARD CLUTCH BAIL The Forward Clutch Bail (E, Figure 3-4) controls the engagement of forward drive to the wheels and tines. To operate the Forward Clutch Bail: 1. Put wheels in WHEEL DRIVE position (see “ WARNING ” statement above). 2. Lift and hold the clutch bail (E, Figure 3-4) against the handlebar to s[...]

Operation 4 Section 12 INTRODUCTION Read this Operation Section and the sepa- rate Engine Owner ’ s Manual before you start the engine. Then, take the time to familiarize yourself with the basic opera- tion of the tiller before using it in the garden. Find an open, level area and prac- tice using the tiller controls without the tines engaging the[...]

Section 4: Operation 13 Stopping the Engine and Tiller 1. To stop the wheels and tines, release the Forward Clutch Bail (all models) or the Reverse Clutch Control (Models 634F and 634B) – whichever control is in use. 2. To stop the engine, put the ignition switch and/or the throttle control lever in the “ OFF ” or “ STOP ” position. OPERA[...]

14 Section 4: Operation Preparing Seedbeds Fig. 4-6 Fig. 4-7 • If the garden size will not permit lengthwise and then crosswise tilling, then overlap the first passes by one-half a tiller width, followed by successive passes at one- quarter width (see Fig. 4-8). With planning, you can allow enough room between rows to cultivate (see Fig. 4-9). Le[...]

Section 4: Operation 15 TILLING TIPS & TECHNIQUES (cont.) Power composting simply means tilling under and burying in the soil all manner of organic matter such as crop residues, leaves, grass clippings and cover crops. This material will decompose during the non-growing season and add important natural nutri- ents to the soil. The first place t[...]

16 Section 4: Operation The tines have a self-clearing action which eliminates most tangling of debris in the tines. However, occasionally dry grass, stringy stalks or tough vines may become tangled. Follow these procedures to help avoid tangling and to clean the tines, if necessary. • To reduce tangling, set the depth regulator deep enough to ge[...]

Maintenance 5 Section 17 Before inspecting, cleaning or servicing the machine, shut off engine, wait for all moving parts to come to a complete stop, disconnect spark plug wire and move wire away from spark plug. Remove ignition key on electric start models. Failure to follow these instructions can result in serious personal injury or prop- erty da[...]

18 Section 5: Maintenance Before inspecting, cleaning or servicing the machine, shut off engine, wait for all moving parts to come to a complete stop, disconnect spark plug wire and move wire away from spark plug. Failure to follow these instructions can result in serious personal injury or property damage. WARNING 4. The gear oil level is correct [...]

Section 5: Maintenance 19 Before inspecting, cleaning or servicing the machine, shut off engine, wait for all moving parts to come to a complete stop, disconnect spark plug wire and move wire away from spark plug. Failure to follow these instructions can result in serious personal injury or property damage. WARNING CHECKING AND ADJUSTING FORWARD DR[...]

20 Section 5: Maintenance Before inspecting, cleaning or servicing the machine, shut off engine, wait for all moving parts to come to a complete stop, disconnect spark plug wire and move wire away from spark plug. Failure to follow these instructions can result in serious personal injury or property damage. WARNING FORWARD CLUTCH BAIL ADJUSTMENT If[...]

Section 5: Maintenance 21 Before inspecting, cleaning or servicing the machine, shut off engine, wait for all moving parts to come to a complete stop, disconnect spark plug wire and move wire away from spark plug. Failure to follow these instructions can result in serious personal injury or property damage. WARNING 3. Clean around the oil dipstick [...]

22 Section 5: Maintenance Before inspecting, cleaning or servicing the machine, shut off engine, wait for all moving parts to come to a complete stop, disconnect spark plug wire and move wire away from spark plug. Failure to follow these instructions can result in serious personal injury or property damage. WARNING TROUBLESHOOTING Before performing[...]

Parts List 23 Models 634F , 634B and 630B DRA WING NO. 1 1 710-0599 Hex Hd. Flange Screw, Self-Tapping, 1/4-20 x 1/2 ................................... 2 3 777S30649 Decal, Hood ....................................... 1 5 1904572 Tine Hood (Incl. tine flap and Ref. 3) (A) ....................................... 1 1917594 Tine Hood (Incl. tine flap[...]

24 Parts List Models 634F , 634B and 630B DRA WING NO. 2[...]

Parts List 25 Models 634F , 634B and 630B P ARTS LIST - DRA WING NO. 2 REF. PART No. No. DESCRIPTION QTY. REF. PART No. No. DESCRIPTION QTY. 1 GW-55104 Upper Handlebar (Incl. Ref. 2) (A) ....... 1 1916996 Upper Handlebar (Incl. Refs. 2 & 28) (B)(C) ........................................ 1 2 777I20937 Decal, Forward Clutch Bail ...............[...]

26 Parts List Models 634F , 634B and 630B DRA WING NO. 4 REF. PART No. No. DESCRIPTION QTY. REF. PART No. No. DESCRIPTION QTY. 1 GW-9512 Retainer, Snap Ring, “ E ” Type ........... 2 2 1909950 Retainer, Snap Ring .......................... 4 3 GW-1166-1 Shim, 0.062" thick ............................. A/R GW-1166-2 Shim, 0.030" thick [...]

Parts List 27 Models 634F , 634B and 630B DRA WING NO. 5 1 GW-9727 Plug, Transmission Oil Fill .................. 1 2 1186328 Hex Hd. Flange Screw, 5/16-18 x 5/8, Grade 5 .......................................... 8 5 1916641 Front Cover, Transmission .................. 1 5A 1918377 Rear Cover, Transmission ................... 1 6 GW-50032 Gasket, [...]

28 Parts List Models 634F , 634B and 630B 33 44 11 45 13 30 25 46 47 15 25 40 38 39 24 24 43 10 26 29 12 21 36 15, 47 30 14 22 25 48 27 32 34 34 16 18 3 8 7 7 23 31 9 20 3 15 24 41 42 2 5 6 7 3 3 3 24 19 14 4 17 1 Forward Clutch Cable Reverse Clutch Cable 37 DRA WING NO. 6[...]

Parts List 29 Models 634F , 634B and 630B 1 * Engine, Recoil Start............................. 1 2 1917326 Bracket, Belt Cover .............................. 1 3 736-0119 Lock Washer, 5/16 .............................. 8 Lock Washer, 5/16 (B) (C) ................... 7 4 710-0237 Hex Hd. Screw, 5/16-24 x 5/8 ............ 2 5 777S30653 Decal, Hot S[...]

30 Parts List Models 634F , 634B and 630B DRA WING NO. 7 RIGHT SIDE LEFT SIDE Left Hand Tine Right Hand Tine Hold Tine With Blunt End Toward You NOTE: Identify Left and Right sides of tiller by standing in operator position and facing direction of forward travel. 7, 8[...]

Parts List 31 Models 634F , 634B and 630B 1 710-3005 Hex Hd. Screw, 3/8-16 x 1-1/4, Grade 5 16 2 50049-01 Bolo Tine - Right Hand. Single tine used on left side of tiller. (Incl. two each Refs. 1 & 3) ....................................... 8 3 712-3000 Hex Lock Nut, 3/8-16 ............................ 2 4 710-0347 Hex Hd. Screw, 3/8-16 x 1-3/4 [...]

TROY -BIL T TILLER LIFETIME LIMITED W ARRANTY WHAT PRODUCT All Troy-Bilt branded rear tine walk-behind tillers with gear drive transmissions. IS COVERED This warranty begins on the date of purchase and is warranted by Troy-Bilt LLC for the life of the tiller, to the original purchaser only. WHAT IS COVERED Troy-Bilt LLC will, at its option, repair [...]