Table of Contents
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Model 634A Shown
IMPORTANT: Read safety rules and instructions carefully before operating equipment.
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 through your nearest engine authorized service dealer or contact the service department, P.O. Box 361131
Cleveland, Ohio 44136-0019.
PRINTED IN U.S.A.
Operator's Manual
Troy-Bilt LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
Rear-tine Tiller Models
630C—Tuffy
634F—Bronco
634A—Super Bronco
®
TM
TM
FORM NO.
770-10594D.fm
11/19/03
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Table of Contents
Related Manuals for Troy-Bilt 630C-Tuffy
Summary of Contents for Troy-Bilt 630C-Tuffy
- Page 1 (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 through your nearest engine authorized service dealer or contact the service department, P.O. Box 361131 Cleveland, Ohio 44136-0019. Troy-Bilt LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019 PRINTED IN U.S.A. Rear-tine Tiller Models ®...
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Page 2: Customer Support
Choose from the options below: Visit troy-bilt.com for many useful suggestions. Click on Customer Support button and you will get the four options reproduced here. Click on the appropriate button and help is immediately available. -
Page 3: Section 1: Safety
SECTION 1: SAFETY This machine meets voluntary safety stan- dard B71.8 – 1996, which is sponsored by the Outdoor Power Equipment Institute, Inc., and is published by the American National Standards Institute. WARNING The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproduc- Safety Alert Symbol... -
Page 4: Maintenance And Storage
4. Exercise caution to avoid slipping or fall- ing. 5. If the unit should start to vibrate abnor- mally, stop the engine, disconnect the spark plug wire and prevent it from touch- ing the spark plug, and check immediately for the cause. Vibration is generally a warning of trouble. - Page 5 Decals For your safety and the safety of others, vari- ous safety and operational decals are located on your unit (see Figure 1-2). 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.
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Page 6: Section 2: Assembly
To protect your rights, put your claim in writing and mail a copy to the car- rier within 15 days after the unit has been delivered. Contact Troy-Bilt LLC if you need assistance in this matter. TOOLS / MATERIALS NEEDED (2) 1/2”... -
Page 7: Step 4: Install Forward Clutch Cable
Fig. 2.2: Attach handlebar. 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), pushing the hairpin cotter in as far as it will go. - Page 8 The knob should return to its neutral posi- tion (resting against bracket). If it doesn’t, contact your local dealer or Troy-Bilt LLC for technical assistance. Flat Side Fig. 2-8: Install reverse cable bracket and reverse clutch cable.
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Page 9: Step 6: Check Transmission Oil Level
STEP 6: CHECK TRANSMISSION OIL LEVEL The transmission was filled with gear oil at the factory. However, you should check the gear oil level at this time to make certain it is correct. IMPORTANT: Do not operate the tiller if the gear oil level is low. -
Page 10: Section 3: Features And Controls
SECTION 3: FEATURES AND CONTROLS 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. Failure to follow these instructions can result in serious personal injury. -
Page 11: Forward Clutch Bail
Figure 3-3: FREEWHEEL position. WARNING: Before starting engine, be sure that both wheels are in WHEEL DRIVE position. See Wheels Drive Pins for instructions. Engaging the Forward Clutch Bail or Reverse Clutch Control (if equipped) when the wheels are not in WHEEL DRIVE could allow the tines to rapidly propel the tiller forward or backward. -
Page 12: Starting And Stopping
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, the separate Engine Owner’s Manual, and on the decals on the machine. Failure to follow these instructions can result in serious personal injury. -
Page 13: Operating The Tiller
Stopping the Engine and Tiller 1. To stop the wheels and tines, release the Forward Clutch Bail (all models) or the Re- verse Clutch Control (Models 634F and 634A) — whichever control is in use. 2. To stop the engine, put the ignition switch and/or the throttle control lever in the “OFF”... -
Page 14: Tilling Tips & Techniques
Tilling Depths WARNING: Before tilling, contact your telephone or utilities company and inquire if underground equipment or lines are used on your property. Do not till near buried electric cables, telephone lines, pipes or hoses . • When cultivating (breaking up surface soil around plants to destroy weeds, see Fig. 4-9), adjust the tines to dig only 1" to 2" deep. Using shallow tilling depths helps prevent injury to plants whose roots often grow close to the surface. - Page 15 TILLING TIPS & TECHNIQUES (CON’T) 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 de- compose during the non-growing season and add important natural nutrients to the soil. The first place to begin is with crop residues such as leftover vines, stalks, stems and roots.
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Page 16: Loading And Unloading The Tiller
TILLING TIPS & TECHNIQUES (CON’T) Terrace Gardening (continued) • To create a terrace, start at the top of the slope and work down. Go back and forth across the first row as shown in Fig. 4-10. • Each succeeding lower terrace is started by walking below the terrace you’re pre- paring. -
Page 17: Transmission Gear Oil Service
SECTION 5: 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. Remove ignition key on electric start models. -
Page 18: Bolo Tines
WARNING: 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. 4. The gear oil level is correct if the gear oil is approximately halfway up the side of the main drive shaft. -
Page 19: Checking And Adjusting Forward Drive Belt Tension
WARNING: 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. Figure 5-3: Install tines so that cutting edge of tines enter soil first when tiller moves forward. CHECKING AND ADJUSTING FORWARD DRIVE BELT TENSION It is important to maintain correct tension... -
Page 20: Forward Clutch Bail Adjustment
(see Check- ing and Adjusting Forward Drive Belt Ten- sion). If this fails to correct the problem, contact Troy-Bilt LLC or your authorized dealer for service advice. CHECKING AND ADJUSTING RE- VERSE DRIVE BELT TENSION... -
Page 21: Spark Plug Service
WARNING: 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. 3. Clean around the oil dipstick or oil fill tube (whichever applies) to prevent dirt from falling into the crankcase. -
Page 22: Troubleshooting
WARNING: 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. PROBLEM Engine does not start 1. Spark plug wire disconnected. 2. -
Page 23: Section 6: Models 630C, 634F & 634A Parts List
SECTION 6: MODELS 630C, 634F & 634A PARTS LIST PART NO. 1185469 Spirol Pin 710-0597 Hex Hd. Screw, 1/4-20 x 1 710-0599 Screw, Self-Tapping,1/4-20 x 1/2 710-0874 Hex Hd. Screw, 5/16-18 x 1-1/4 710-3008 Hex Hd. Screw, 5/16-18 x 3/4 712-0324 Lock Nut, 1/4-20 712-0429... - Page 24 MODELS 630C, 634F & 634A...
- Page 25 PART NO. 1918749 Bumper (C) 710-0395 Hex Screw, 5/16-18 x 2-1/4 (C) 712-0267 Nut, Hex, 5/16-18 (C) 736-0119 Lock Washer, 5/16 (C) (A) For Model 630C (B) For Model 634F (C) For Model 634A PART NO. DESCRIPTION 1916719 Cable Assembly, Reverse Clutch(B) (C) 1916755 Upper Handlebar 747-04210...
- Page 26 MODELS 630C, 634F & 634A — (A) For Model 630C (B) For Model 634F (C) For Model 634A * Use as required to obtain between .005” and .015” allowable end-play. PART NO. DESCRIPTION GW-9517 Snap Ring GW-1714 Bearing, Tapered Roller (with race) GW-50043 Support Washer, Rear 711-04109...
- Page 27 FRONT (A) For Model 630C (B) For Model 634F (C) For Model 634A * Use as required to obtain between .005” and .030” allowable end-play. PART NO. DESCRIPTION GW-9512 Retainer, Snap Ring, “E” Type 1909950 Retainer, Snap Ring GW-1166-1* Shim, 0.062" thick GW-1166-2* Shim, 0.030"...
- Page 28 MODELS 630C, 634F & 634A PART NO. GW-9727 Plug, Transmission Oil Fill 710-04049 Hex Hd. Flange Screw, 5/16-18 x 5/8,Gr. 5 736-0119 Lock Washer, 5/16 1918377 Rear Cover, Transmission 1916641 Front Cover, Transmission GW-50032 Gasket, Housing Cover 714-04030 Oil Seal, Drive Shaft * Included with transmission when purchased as an assembly only.
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Page 29: Wheel Shaft
Hold Tines With Blunt End Toward You RIGHT-HAND TINE LEFT-HAND TINE NOTE: Identify Left and Right sides of tiller by standing in operator position and facing direction of forward travel. PART NO. 710-0514 Hex Hd. Screw, 3/8-16 x 1, Grade 5 GW-50049-02 Single Bolo Tine - Left Hand (A) (B) (C) 712-3000... - Page 30 MODELS 630C, 634F & 634A FORWARD CLUTCH CABLE REVERSE CLUTCH CABLE 2 (B, C) 37 (A)
- Page 31 (A) For Model 630C (B) For Model 634F (C) For Model 634A PART NO. DESCRIPTION 736-0159 Flat Washer, 5/16 714-0139 Key, 3/16" x 2" (B) (C) 1916531 Pulley, Engine Drive (B) (C) GW-55035 Pulley, Engine Drive (A) 1916532 Transmission Pulley (B) (C) GW-55031 Transmission Pulley 1916535...
- Page 32 The provisions set forth in this warranty provide the sole and exclusive remedy arising from the sale. Troy-Bilt LLC shall not be liable for any incidental or consequential damage or expense of any kind, including but not limited to cost of equipment rental, loss of profits, or costs of hiring services to perform tasks normally performed by the equipment.