Troy-Bilt TUFFY CRT 644A- Manuals

Page 2 - CUSTOMER SUPPORT

TABLE OF CONTENTS Content Page Content Page Customer Support 2 Maintenance 17 Safety 3 Off-season Storage 21 Assembly 6 Troubleshooting 22 Features and Controls 10 Parts List 23 Operation 12 Warranty Back Cover FINDING MODEL NUMBER This Operator’s Manual is an important part of your new lawn tractor...

Page 3 - This machine meets voiuntary safety stan; ák; WARNING; The engine exhaust from this product contains; Safety Alert Symbol; This is a safety aiert symbol, it is used; Training

SECTION 1: SAFETY This machine meets voiuntary 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. ák WARNING The engine exhaust from this product contains chemicals known to the State of Cali...

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. 6 . Stop the engin...

Page 5 - A WARNING

Decals For your safety and the safety of others, various 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. Refer to the Part...

Page 6 - STEP1: UNPACKING INSTRUCTIONS; Loose Parts List; STEP 2: ATTACH HANDLEBAR; STEP 3: MOVE TILLER OFF CRATE

SECTION 2: ASSEMBLY A WARNING: 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 safety and operating instructions in this manual. INTRODUCTION Carefully follow these assembly steps to correctly prepare y...

Page 9 - OIL LEVEL; SIhP 7: AUU MU I UK UlL

i>l tP 6: UHtuK IKANSMISSIUN OIL LEVEL The transmission was filled with gear oil at the factory. However, you should checkthe 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. Doing so will result In severe damage to the ...

Page 10 - SECTION 3: FEATURES AND CONTROLS; INTRODUCTION

SECTION 3: FEATURES AND CONTROLS A 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 per...

Page 11 - FORWARD CLUTCH BAIL; DEPTH REGULATOR LEVER

A A 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 forwar...

Page 13 - ik WARNING; OPERATING THE TILLER

ik WARNING & KEEP mm FROM ROTATING TINES. ROTftTIHG TIMES WILL CAUSE INJURY. 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 (Model 644A) — whichever control is in use.2. To stop the engine, put the igni...

Page 14 - TILLING TIPS & TECHNIQUES

TILLING TIPS & TECHNIQUES Tilling Depths A This is a CRT (counter-rotating tine) tiller. As the wheels pull forward, the tines rotate backward. This creates an “uppercut” tine action which digs deeply, uprooting soil and weeds. Don’t overload the engine, but dig as deeply as possible on each pa...

Page 15 - Tilling On Slopes; Read the following recommendations before tilling on slopes; Tilling Up and Down Slopes (Vertical Tilling); Clearing the Tines

TILLING TIPS & TECHNIQUES fCONT) A. Tilling On Slopes Read the following recommendations before tilling on slopes; If you must garden on a moderate slope, please follow two very important guidelines: 1. Till only on moderate slopes, never on steep ground where footing is difficult (review safe ...

Page 17 - SECTIONS: MAINTENANCE; PROCEDURE; A. To Check the Transmission

SECTIONS: MAINTENANCE TILLER LUBRICATION A 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.Failure to foll...

Page 18 - BOLD TINES

A WARNING: Before inspecting, cleaning or servicing the machine, shut off engine, wait for ail 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...

Page 19 - To Check Forward Belt Tension:

A WARNING: Before inspecting, cleaning or servicing the machine, shut off engine, wait for ail 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...

Page 20 - To Check Reverse Belt Tension:; Replacement Beit Information; ENGINE CLEANING

A WARNING: Before inspecting, cleaning or servicing the machine, shut off engine, wait for ail 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. FORWAR...

Page 22 - TROUBLESHOOTING; PROBLEM

A WARNING: Before inspecting, cleaning or servicing the machine, shut off engine, wait for ail 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. TROUBL...

Page 23 - Parts List

Parts List (A) For Mode! 640C(B) For Mode! 644A REFNO. PART NO. DESCRIPTION REF NO. PART NO. DESCRIPTION 1 715-0108 Spiro! Pin 14 686-04043 Tine Hood Assembly (A) 2 710-0597 Fiex Hd. Screw, 1/4-20x 1 686-04041 Tine Hood Assembly (B) 3 710-0599 Screw, Self-Tapping,1/4-20 x 1/2 15 GW-55088 Bushing 4 7...

Page 27 - FRONT

MODELS 640C & 644A FRONT (A) For Model 640C(B) For Model 644A REF NO. PART NO. DESCRIPTION 1 GW-9512 Retainer, Snap Ring, “E” Type 2 1909950 Retainer, Snap Ring 3 GW-1166-1* 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, ...

Page 30 - FORWARD

MODELS 640C & 644A FORWARD REFNO. PART NO. DESCRIPTION 1 710-0514 FlexHd. Screw, 3/8-16x1, Grade5 2 GW-50049-02 Single Bolo Tine - Left Fland 3 712-3000 Hex Lock Nut, 3/8-16 4 710-0347 Hex Hd. Screw, 3/8-16x1-3/4 5 GW-50049-01 Single Bolo Tine - Right Hand 6 1915075 Tine Holder (A) 1916747 Tine ...

Page 32 - TROY-BILT TILLER LIFETIME LIMITED WARRANTY

TROY-BILT TILLER LIFETIME LIMITED WARRANTY WHAT PRODUCT IS COVERED 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 original purchaser only. WHAT IS COV...