Troy-Bilt 640C-Tuffy CRT manual Tine Shaft, Hold Tines With Blunt End Toward You

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MODELS 640C & 644A

5

1

3

9

 

3

TINE SHAFT

2

5

9

7, 8

 

FORWARD

7

10

 

 

 

 

 

 

 

 

 

REF

PART NO.

DESCRIPTION

 

NO.

 

 

 

 

 

 

 

 

1

710-0514

Hex Hd. Screw, 3/8-16 x 1, Grade 5

 

2

GW-50049-02

Single Bolo Tine - Left Hand

 

3

712-3000

Hex Lock Nut, 3/8-16

 

4

710-0347

Hex Hd. Screw, 3/8-16 x 1-3/4

 

5

GW-50049-01

Single Bolo Tine - Right Hand

 

6

1915075

Tine Holder (A)

 

 

1916747

Tine Holder (B)

 

7

1917486

Wheel & Tire Ass’y — Left/Right Side(B)

 

734-04162

Wheel & Tire Ass’y — Left Side Only (A)

8

734-04161

Wheel & Tire Ass’y — Right Side Only (A)

9

GW-9380

Clevis Pin, .312" x 1-3/4"

 

10

GW-9338

Hair Pin Cotter

 

—

GW-1901

Bolo Tine Replacement Set (Incl. eight

 

 

right-hand tines, eight left-hand tines and

 

 

required hardware. (A) (B)

 

 

 

 

 

(A)For Model 640C

(B)For Model 644A

4

3

1

2

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.

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Contents Form no -00585C OM.fm 15/04Table of Contents Finding Model NumberCustomer Support Safety Safety Alert SymbolKeep children and pets away Refer to the Maintenance sectionsExercise caution to avoid slipping or fall- ing Use slower engine speedsOperating Symbols To Avoid Serious InjuryIntroduction AssemblyAssembly Steps Inspect UnitInstall Forward Clutch Cable Use the handlebar to roll the tiller to a flat areaWhile preventing the cable adjuster from turning With the Forward Clutch Bail Y, FigCheck Transmission OIL Level Check all nuts and screws for tightnessAture package to identify the controls on your engine FreewheelTo operate the Forward Clutch Bail Travel Position Shallow SettingsTo adjust the handlebars Stop all tiller motion by releasing the Forward Clutch BailStarting and Stopping Following steps describe how to start and stop the engineIntroduction BREAK-IN Operation Change engine oilStopping the Engine and Tiller For forward motion of the wheels and power to the tinesOperating the Tiller To move the Model 640C in reverse for short distancesTilling Tips & Techniques Clearing the Tines Tilling Tips & Techniques CON’TTilling On Slopes Read the following recommendations before tilling on slopesLoading and Unloading the Tiller Terrace GardeningCheck Hardware Transmission Gear OIL ServiceTiller Lubrication Check Tire PressureBolo Tines Removing⁄Installing a Single TineRemoving⁄Installing a Tine Assembly Tine InspectionChecking and Adjusting Replacement Belt InformationTo Check Forward Belt Tension Model 644A only Forward Clutch Bail AdjustmentEngine Cleaning AIR Cleaner Service Engine OIL Service To Check Reverse Belt TensionOFF-SEASON Storage Spark Plug ServiceSpark Arrester Screen Service To Change the Engine OilTroubleshooting Problem Possible Cause CorrectionParts List DescriptionModels 640C & 644A Models 640C & 644A GW-1325C Shim Set Incl. the following shims Front 433 Models 640C & 640A Tine Shaft Hold Tines With Blunt End Toward YouPage TROY-BILT Tiller Lifetime Limited Warranty

640C - Tuffy CRT, 644A - Super Bronco CRT, 640C-Tuffy CRT, 640C-Tuffy specifications

The Troy-Bilt 640C-Tuffy and the 644A-Super Bronco CRT are exemplary models in the realm of cultivators and tillers, merging robust performance with user-friendly features. These machines are designed to make garden preparation easier and more efficient, catering to both amateur gardeners and seasoned horticulturists alike.

The Troy-Bilt 640C-Tuffy boasts a powerful engine and features a rear-tine design, enabling the user to tackle tough soil with ease. One of its main features is the Carbide Tines that effectively break up hard ground and aerate the soil, promoting healthy growth. The 640C-Tuffy is sturdy, with durable construction that ensures longevity and resilience against tough garden conditions. It also includes a 10-inch tilling width, allowing it to cover substantial ground in shorter periods. Moreover, the model is equipped with adjustable tilling depth settings, accommodating various types of gardening tasks from breaking new ground to preparing existing beds.

On the other hand, the 644A-Super Bronco CRT highlights innovative technology that makes tilling a breeze. This model features counter-rotating tines which effectively mix compost and soil, offering improved mixing and aeration. The 644A is known for its robust performance, powered by a reliable engine, which delivers consistent torque even on challenging soil types. Additionally, its 18-inch tilling width allows for broader coverage, resulting in efficient garden preparation.

Both models are equipped with ergonomic handlebars designed for operator comfort. These handlebars are adjustable, allowing users of different heights to find a comfortable grip, thus reducing fatigue during extended use. The 640C-Tuffy and 644A-Super Bronco CRT are designed with ease of operation in mind, featuring intuitive controls and a lightweight design that makes maneuvering effortless.

In terms of maintenance, both models boast easily accessible components which allow for simple servicing and routine upkeep, ensuring long-lasting performance. Additionally, these cultivators are built with safety features, including protective shields that guard against debris.

In summary, the Troy-Bilt 640C-Tuffy and 644A-Super Bronco CRT shine in their ability to combine cutting-edge technology, user-friendly operation, and robust design, making them ideal choices for anyone looking to enhance their gardening experience. Whether preparing a new garden bed or maintaining an existing one, these cultivators are engineered to deliver exceptional results with ease and confidence.
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