Manual

ManualsBrandsTroybilt ManualsTillerOfficial Troybilt rear-tine tiller

0 TRtlI BILT°

Operator's Manual

Rear-tine Tiller Models

644H--Bronco TM

645A--Bronco TM

Model 644H Shown (bumper syles vary)

IMPORTANT:READ SAFETY RULES AND INSTRUCTIONS CAREFULLY

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 grass-covered land unless the engine's exhaust system is equipped with a spark arrester meeting applicable local or state laws (if any).

If a spark arrester is used, it should be maintained in effective working order by the operator. In the State of California the above is required by law

(Section 4442 of the California Public Resources Code). Other states may have similar laws. Federal laws apply on federal lands. A spark arrester

for the muffler is available by contacting the service department at Troy-Bilt LLC, P.O. Box 361131 Cleveland, Ohio 44136-0019.

TROY-BILT LLC, P.O. BOX 361131, CLEVELAND, OH 44136-0019

PRINTED IN USA FROM NO. 769-00585A

(01/2003)

Summary of content (36 pages)

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0 TRtlI BILT° Operator's Manual Rear-tine Tiller Models 644H--Bronco TM 645A--Bronco TM Model 644H Shown (bumper syles vary) IMPORTANT:READ SAFETY RULES AND INSTRUCTIONS CAREFULLY Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-covered, brushcovered or grass-covered land unless the engine's exhaust system is equipped with a spark arrester meeting applicable local or state laws (if any).
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TABLE OF CONTENTS Content Page Calling Customer Support .................................................... 2 Safety ................................................................... 3 Assembly ................................................................. 6 Features and Controls ....................................................... 10 Operation 13 ................................................................ Maintenance ..............................................................
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n Safety SPARKARRESTERWARNING TO RESIDENTSOF CALIFORNIAAND SEVERALOTHERSTATES Under California law, and under the laws of several other states, you are not permitted to operatean internal combustion engine using hydrocarbon fuels on any forest, brush, hay, grain, or grass covered land; or land covered by any flammable agricultural crop without an engine spark arrester in continuous effective working order.
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Section1: Safety 7. Take all possible precautions when leavingthe machine unattended, Stop the engine. Disconnect spark plug wire and move it away from the spark plug. Be sure both wheels are in the Wheel Drive position, 8. Before cleaning, repairing, or inspecting,stop the engine and make certain all moving parts havestopped, Disconnect the spark plug wire and prevent it from touching the spark plug to prevent accidental starting. 9. The flap on the tine hood must be down when operating the tiller. 10.
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Section1: Safety Decals For your safety and the safety of others, various safety and operational decals are located on your unit (see Figure 1 below). Keepthe decals clean and legible at all times, Contact your local service dealer or the factory for replacements if any decals are damaged or missing, Refer to the separate parts catalog for decal locations, part numbers and ordering instructions.
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I] Assembly WARNING NOTE:Be careful not to severely bend any of the control cables on the unit. To prevent personal injury or property damage, do not start the engine until all assembly steps are complete and you have read and understand the 3.
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Section2: Assembly STEP 2: Attach Handlebar 1. Attach the two legs of the handlebar support (A, Fig. 2-2) loosely to the inner sides of the tiller frame using two 3/8"-16 x 3/4" hex hd. screws (B), 3/8" flat washers (C) and 3/8"-16 hex Iocknuts (D). 2. Using the middle holes in the handlebar support brackets (E and F, Fig. 2-2), loosely attach the support brackets to the handlebar support (A) using two 5/16"-18 x 1-1/2" curved hd. screws (G), 5/16" split Iockwashers (H) and 5/16"-18 hex nuts (I).
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Section2: Assembly STEP4: Install Forward Clutch Cable R 1. Placethe forward clutch cable bracket (P, Fig. 2-4) on the handlebar support (A). Attach the cable bracket using a 1/4"-20 x 1-1/4" hex hd, screw (R, Fig. 2-4) and 1/4"-20 hex Iocknut (S). Tighten securely. 2. Carefully unwrap the forward clutch cable (the cable without a knob attached to it) from its shipping position and slide the thin cable wire (T, Fig. 2-4) into the slot in the cable bracket.
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Section2: Assembly 4. Insert the cable up through the slot in the cable bracket and position the threaded assembly as shown in Fig, 2-8, Make sure that the flat side of the threaded assembly is aligned with the fiat side of the mounting hole, Slide the large hex nut (DD) up the cable and tighten it securely, 5. Use a cabletie (EE,Fig, 2-9) to fasten the reverse clutch cable to the left side handlebar, 6. Test the function of the reverse clutch cable by pulling the knob out and releasingit.
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n FeaturesandControls WARNING Before operating your machine, carefully read and understand all safety, controls and operating instructions in this Manual, the separate Engine Owner's Manual, and on the decals on the machine. Forward ClutchBail Reverse Clutch Control ulator ight Adjustment Failure to follow these instructions can result in serious personal injury. Anti-ReverseStake Drive Pin (on each wheel) Figure3-1: Featuresandcontrols.
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Section3: FeaturesandControls 4. FORWHEELDRIVEmode (Figure 3-2): Slide the wheel outward and align the holes in the wheel hub (D, Figure 3-2)) and the wheel shaft (B). Insert the wheel drive pin (A) through the wheel hub and the wheel shaft, Securethe wheel drive pin with the hairpin cotter (C) by pushing the hairpin cotter in as far as it will go. Repeatfor the other wheel and then remove the support from beneaththe transmission, 5.
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Section3: FeaturesandControls DepthRegulatorLever HandlebarHeightAdjustment Anti-ReverseStake Thislever (G, Figure 3-5) controls the tilling depth of the tines, Pull the lever straight back and slide it up or down to engage the notched height settings. The handlebar height is adjustable to three different settings (see Figure 3-6). As a general rule, adjust the handlebars so they are at waist level when the tines are 3"-4" into the soil.
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n Operation ,Reverse ClutchControl WARNING Before operating your machine, carefully read and understand all safety (Section 1), controls (Section 3) and operating instructions (Section 4) in this Manual, in the separate Engine Owner's Manual, and on the decals on the machine. ForwardClutchBail ulator Lever Failure to follow these instructions can result in serious personal injury.
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Section4: Operation Starting the Engine in the separate EngineOwner's Manual. The following steps describe how to start and stop the engine. DOnot attempt to engagetines or wheels until you have read all the operatinginstructionsin this Section. Also review the safety rules in Section1: "Safety" and the tiller and engine controlsinformationin Section 3: "Features and Controls." 6.
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Section4: Operation WARNING WARNING Do not push down on the handlebars to try to make the tiller till more deeply. This prevents the wheels from holding the tiller back and can allow the tines to rapidly propel the tiller backward toward the operator, which could result in loss of control, property damage, or personal injury.
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Section4: Operation Tilling Tips & Techniques Let the tiller dothe work Avoidtilling soggy,wet soil • While tilling, relax and let thewheels pull the tiller along whilethe tines do the digging. Walk on the side that is not yet finished (to avoid making footprints in the freshly tilled soil) and lightly, but securely grip the handlebar with just one hand, See Figure 4-2. Tilling wet soil often results in large, hard clumps of soil that can interfere with planting.
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Section4: Operation Tilling Tips & Techniques Clearingthe tines Tilling on slopes Dry grass, stringy stalks or tough vines may become tangled in the tines. Follow these procedures to help avoid tangling and to clean the tines, if necessary. If you must garden on a moderate slope, pleasefollow two very important guidelines: • To reduce tangling, set the depth regulator to maximum depth. • While tilling, try swaying the handlebars from side to side (about 6" to 12").
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Section4: Operation LOADINGAND UNLOADINGTHE TILLER WARNING Loading and unloading the tiller into or from a vehicle is potentially hazardous. We don't recommend doing so unless absolutely necessary, as this could result in personal injury or properly damage. However, if you must load or unload the tiller, follow the guidelines given next.
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n Maintenance WARNING 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.
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Section5: Maintenance WARNINGBefore inspecting,cleaning or servicing the unit, shut off engine, wait for all parts to come to a complete stop, disconnectspark plug wire and movewire away from spark plug. Failure to follow these instructions can result in serious personal injury or propertydamage. i_ ..,Lol MI TILLERLUBRICATION CHECKFOROIL LEAKS TRANSMISSIONGEAROIL SERVICE Proper lubrication of the tiller is an essential part of maintenance.
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Section5: Maintenance WARNINGBefore inspecting, cleaning or servicing the unit, shut off engine, wait for all parts to come to a completestop, disconnectspark plug wire and movewire away from spark plug. Failure to follow these instructions can result in serious personal injury or propertydamage. B. To Drain the TransmissionGear Oil: reduced effectiveness in general,and specifically when chopping up and turning under organic matter, DANGER Gasoline is highly flammable and its vapors explosive.
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Section5: Maintenance WARNINGBefore inspecting, cleaning or servicing the unit, shut off engine, wait for all parts to come to a completestop, disconnectspark plug wire and move wire away from spark plug. Failure to foilow these instructions can resuit in serious personai injury or propertydamage. t ..£..
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Section5: Maintenance WARNING Before inspecting, cleaning or servicingthe unit, shut off engine, wait for all parts to cometo a complete stop, disconnectspark plug wire and move wire away from spark plug. Failure to follow these instructions can result in serious personal injury or propertydamage. from turning by gripping the upper end of the threaded adjuster (B) with pliers. • Checkbelt tension after the first two hours of break-in operation (new belt), 6.
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Section5: Maintenance WARNING Before inspecting, cleaning or servicingthe unit, shut off engine, wait for all parts to cometo a complete stop, disconnectspark plug wire and move wire away from spark plug. Failure to follow these instructions can result in serious personal injury or propertydamage.
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Section5: Maintenance TROUBLESHOOTING Before performing any corrections, refer to the appropriate information in this Manual, or in the Engine Owner's Manual, for the correct safety precautions and operating or maintenanceprocedures, Contact your local authorized Engine Service Dealerfor engine service. Contact your local authorized equipment dealer or the factory for all other service problems. PROBLEM POSSIBLECAUSE CORRECTION Enginedoes n_ad. 1. Sparkplug wire disconnected. 2.
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List 1 \ % J 7 19 12 J 22 24 9 23 8 _ .
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MODELS644H & 645A REF NO. PARTNO. DESCRIPTION 1 2 1185469 3 4 710-0599 710-0874 Screw, Self-Tapping,1/4-20 x 1/2 HexHal.Screw, 5/16-18 x 1-1/4 5 1186331 HexHal.Screw, 5/16-18 x 1.
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MODELS644H & 645A 2 5 15 12 2O 22 25 7 20 18 28
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MODELS644H & 645A REF NO. REF NO. 1 2 3 4 PARTNO. 1918749 710-0395 712-0267 736-0119 PARTNO.
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MODELS644H & 645A 3 / / 5 / REF NO. PARTNO. DESCRIPTION 1 GW-9517 Snap Ring 2 GW-1714 Bearing, Tapered Roller (with race) 3 GW-50043 Support Washer, Rear 4 711-04110 Drive Shaft (CRT) 5 GW-1224-1_ GW-1224-2_ Shim, RearBearing Cap, .010"thick GW-1224-3_ Shim, same as above, except .005" thick Shim, same as above, except .062" thick GW-1224-4_ -- GW-1325C Shim, same as above, except .030" thick Shim Set (Incl.
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MODELS644H & 645A 8 1 3 4 FRONT 11 7 4 3 _2 REF NO. DESCRIPTION PART NO. 1 GW-9512 Retainer,Snap Ring, "E" Type 2 1909950 3 GW-1166-1_ Retainer,Snap Ring Shim, 0.062" thick GW-1166-2_ Shim, 0.030" thick GW-1166-3'_ Shim, 0.015" thick GW-1166-4'_ Shim, 0.010" thick GW-1166-5'_ Shim, 0.
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MODELS644H & 645A 2 It 4 10 3 * Included with transmission when purchasedas an assembly only. Removeand discard when installing the transmission on tiller. REF NO. PART NO. REF NO. DESCRIPTION 1 GW-9727 Plug, Transmission Oil Fill 2 710-04049 3 736-0119 Hex Hd. FlangeScrew, 5/16-18 x 5/8,Gr. 5 Lock Washer, 5/16 4 1918377 RearCover, Transmission 5 1916641 Front Cover,Transmission 6 GW-50032 7 721-04030 Gasket, Housing Cover Oil Seal,Drive Shaft 8 9 10 11 12 13 14 32 PARTNO.
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MODELS644H & 645A Hold Tines With Cutting Edgeat the TOP of each tine facing TOWARDYou 10 FRONT/ =ORWARD RIGHT-HAND TINE LEFT-HANDTINE / \ f WHEELSHAFT 11 TINE SHAFT 1 ENGINE 5 OFTINE -_DENOTES REF NO. 1 2 3 4 5 6 7 PART NO. 5 CUTTING EDGE REF NO. DESCRIPTION 710-3008 Hex Hd. Screw, 5/16-18 x 3/4, Grade5 1817060 712- 3009 Single Tine - Right Hand Hex Lock Nut, 5/16-18 710-3096 Hex Hd.
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MODELS644H & 645A I_i_ccLREVERSE UTCHCABLE 24 _3 , 38 / 4 FORWARD CLUTCHCABLE 84 25
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MODELS644H & 645A REF NO. PARTNO.
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TROY-BILT TILLER LIFETIME LIMITED WARRANTY WHATPRODUCT ISCOVERED All Troy-Bilt branded rear tine walk-behind tillers with gear drive transmissions. This warranty begins on the date of purchase and is warranted by Troy-Bilt LLC for the life of the tiller, to the odgina] purchaser only.