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Troy-Bilt Bronco 12180 - page 1
Model 12180 Owner’ s Manual BRONCO TM 5 HP Model T iller • Safety • Assembly • Controls • Operation • Maintenance B R O N C O GARDEN WAY INCORPORATED ...
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Troy-Bilt Bronco 12180 - page 2
2 T able of Contents SECTION 1: SAFETY ........................................... 3 Safety Decals .................................................................... 5 SECTION 2: ASSEMBLY ....................................... 6 Attach Handlebar ............................................................... 7 Move Tiller Off Shipping Platform . ...
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Troy-Bilt Bronco 12180 - page 3
3 T raining 1. Carefully read this Owner ’ s Manual, the separate Engine Owner ’ s Manual, and any other literature you may receive. Be thoroughly 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. Never allow ad ...
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Troy-Bilt Bronco 12180 - page 4
7. Take all possible precautions when leaving the 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 inspect- ing, stop the engine and make certain all moving parts have stopped. Disconnect the spark plug wire an ...
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Troy-Bilt Bronco 12180 - page 5
Section 1: Safety 5 Decals For your safety and the safety of others, various safety and operational decals are located on your unit (see Figure 1 below). Keep the 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 deca ...
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Troy-Bilt Bronco 12180 - page 6
6 WARNING T o prevent personal injur y or property damage, do not start the engine until all assembly steps are complete and you have read and understand the safety and operating instruc- tions in this manual. Introduction Carefully follow these assembly steps to correctly prepare your tiller for use. It is recommended that you read this Section in ...
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Troy-Bilt Bronco 12180 - page 7
7 Section 2: 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 locknuts (D). 2. Using the middle holes in the handlebar support brackets (E and F, Fig. 2- ...
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Troy-Bilt Bronco 12180 - page 8
8 Section 2: Assembly STEP 4: Install Forward Clutch Cable 1. Place the 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 locknut (S). Tighten securely. 2. Carefully unwrap the forward clutch cable (the cable without a ...
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Troy-Bilt Bronco 12180 - page 9
9 Section 2: Assembly Fig. 2-8: Install reverse cable bracket and reverse clutch cable. 3. Unwrap the reverse clutch cable (the cable with a knob and a large hex nut attached to it) from around its shipping position and route the cable (CC, Fig. 2-8 and Fig. 2-9) up to the cable bracket (BB, Fig. 2-8). Be sure that the cable goes beneath the Forwar ...
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Troy-Bilt Bronco 12180 - page 10
Wheel Drive Pins Each wheel is equipped with a Wheel Drive Pin (A, Figures 3-2 and 3-3) that secures the wheel to the wheel shaft (B). The wheels can be positioned in either a WHEEL DRIVE or a FREEWHEEL mode. Before starting the engine, put both wheels in the WHEEL DRIVE position by inserting the Wheel Drive Pins through the wheel hubs and the whee ...
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Troy-Bilt Bronco 12180 - page 11
11 Section 3: Features and Controls 4. FOR WHEEL DRIVE mode (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. Secure the wheel drive pin with the hairpin cotter (C) by pushing the hairpin cotter in as far as i ...
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Troy-Bilt Bronco 12180 - page 12
12 Section 3: Features and Controls Depth Regulator Lever This lever (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 highest notch (lever all the way down) raises the tines approximately 1-1/2" off the ground. This “ travel ” setting al ...
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Troy-Bilt Bronco 12180 - page 13
13 Figure 4-1 Section 4 Operation 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. Failure to follow these instruc- tions can result in serious personal ...
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Troy-Bilt Bronco 12180 - page 14
14 Starting the Engine The following steps describe how to start and stop the engine. Do not attempt to engage the tines or wheels until you have read all of the operating instruc- tions in this Section. Also review the safety rules in Section 1: “ Safety ” and the tiller and engine controls information in Section 3: “ Features and Controls. ...
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Troy-Bilt Bronco 12180 - page 15
15 Section 4: Operation 5. For reverse motion of the wheels and tines: (a) Look behind and exercise caution when operating in reverse. Do not till while in reverse. (b) Stop all forward motion before reversing. Lift the handlebars with one hand until the tines are off the ground and then pull the Reverse Clutch Control knob out to engage reverse mo ...
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Troy-Bilt Bronco 12180 - page 16
16 Section 4: Operation T illing T ips & T echniques Let the tiller do the work • While tilling, relax and let the wheels pull the tiller along while the tines do the digging. Walk on the side that is not yet finished (to avoid making foot- prints in the freshly tilled soil) and lightly, but securely grip the handlebar with just one hand. See ...
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Troy-Bilt Bronco 12180 - page 17
17 Section 4: Operation T illing T ips & T echniques Clearing the tines 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 proce- dures to help avoid tangling and to clean the tines, if necessary. • To redu ...
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Troy-Bilt Bronco 12180 - page 18
18 Section 4: Operation POWER COMPOSTING 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 nutrients to the soil. The first place to begin is with crop re ...
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Troy-Bilt Bronco 12180 - page 19
19 Section 5 Maintenance REQUIRED MAINTENANCE SCHEDULE Before Every Every As PROCEDURE Each 10 30 Noted Use Hours Hours Check engine oil level • And every 5 operating hours Clean engine • ▲ Check drive belt tension • ✝ Check nuts and bolts • ✝ Change engine oil • * Lubricate tiller • Service engine air cleaner system ▲ Check gea ...
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Troy-Bilt Bronco 12180 - page 20
20 Section 5: Maintenance TILLER LUBRICA TION Proper lubrication of the tiller is an essential part of your maintenance program. After every 10 operating hours, oil or grease the lubrication points shown in Figure 5-1 and described below. Use a good quality lubricating oil (#30 weight engine oil is suitable) and a good quality general purpose greas ...
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Troy-Bilt Bronco 12180 - page 21
Section 5: Maintenance B. To Drain the Transmission Gear Oil: The transmission gear oil does not need to be changed unless it has been contam- inated with dirt, sand or metal particles. 1. Drain gasoline from the fuel tank or run the engine until the fuel tank is empty. See “ DANGER ” statement above. 2. Drain the oil from the engine. 3. Remove ...
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Troy-Bilt Bronco 12180 - page 22
CHECKING AND ADJUSTING FORWARD DRIVE BEL T TENSION Maintaining correct tension on the forward drive belt is important to good tilling performance and long belt life. A loose belt will slip on the engine and transmission pulleys and cause the tines and wheels to slow down – or stop com- pletely – even though the engine is running at full speed. ...
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Troy-Bilt Bronco 12180 - page 23
Section 5: Maintenance W ARNING Before inspecting, cleaning or servicing the unit, shut off engine, wait for all 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. NOTE: If you have difficulty turning the adju ...
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Troy-Bilt Bronco 12180 - page 24
24 Section 5: Maintenance W ARNING Before inspecting, cleaning or servicing the unit, shut off engine, wait for all 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. ENGINE OIL SERVICE Check the engine oil le ...
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Troy-Bilt Bronco 12180 - page 25
25 Section 5: 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 maintenance procedures. Contact your local authorized Engine Service Dealer for engine service. Contact your local authorized equip ...
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Troy-Bilt Bronco 12180 - page 26
26 TILLER SPECIFICA TIONS/A TT ACHMENTS TILLER SPECIFICA TIONS TILLER HEIGHT (with Depth Regulator Lever in highest setting): Without Handlebars .................................................................................25-1/2" Handlebars in lowest setting.....................................................................38-1/4" H ...
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Troy-Bilt Bronco 12180 - page 27
27 CUSTOMER SERVICE INFORMA TION Owner Registration Card Please fill out and mail the enclosed owner registration card. The purpose of this card is to register each unit at the factory in order to keep the owner informed with informational bulletins and safety literature. Warranty Service The warranty statement is included in the unit ’ s literat ...
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Troy-Bilt Bronco 12180 - page 28
1905237 (1/99) Printed in U.S.A. © 1999 Garden Way Incorporated ...
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