Troy-Bilt 640C-Tuffy CRT, 640C - Tuffy CRT, 644A - Super Bronco CRT manual Models 640C & 644A

Page 25

MODELS 640C & 644A

 

REF

PART NO.

DESCRIPTION

 

 

NO.

 

 

 

 

 

 

 

 

 

 

 

1

1916719

Cable Assembly, Reverse Clutch (B)

 

 

2

1916755

Upper Handlebar

 

 

3

747-04210

Bail, Forward Clutch

 

 

4

1918745

Cable Assembly, Forward Clutch

 

 

5

710-0599

Screw, Self-Tapping,1/4-20 x 1/2

 

 

6

710-3008

Screw, Hex, 5/16-18 x 3/4

 

 

7

712-3009

Hex Lock Nut, 5/16-18

 

 

8

786-04188

Handlebar Support

 

 

9

GW-55043

Lower Handlebar

 

 

10

786-04200

Panel

 

 

11

GW-55044

Tab, Conduit Mount

 

 

12

GW-9855

Screw, #10-24 x 2

 

 

13

725-0157

Cable Tie

 

 

14

736-3050

Flat Washer, 3/8

 

 

15

732-04040

Bracket, Reverse Clutch Cable (B)

 

 

16

732-04185

Spring, Forward Clutch

 

 

17

710-0106

Hex Hd. Screw, 1/4-20 x 1-1/4

 

 

18

710-0216

Screw, Hex, 3/8-16 x 3/4

 

 

20

710-0805

Screw, Hex, 5/16-18 x 1-1/2

 

 

21

712-0121

Hex Nut, #10-24

 

 

22

712-0291

Hex Lock Nut, 1/4-20

 

 

23

712-3000

Hex Nut, 3/8-16

 

 

25

736-0119

Lock Washer, 5/16

 

 

 

 

 

 

 

 

 

 

 

REF

 

1

4

PART NO.

DESCRIPTION

3

NO.

 

 

 

1

749-04193

Bumper (B)

 

2

710-0395

Hex Screw, 5/16-18 x 2-1/4, Gr5 (B)

 

3

726-0201

Nut, Speed, 5/16-18 (B)

2

4

712-04063

Hex Lock Nut, Nylon, 5/16-18 (B)

 

(A)For Model 640C

(B)For Model 644A

25

Image 25
Contents 15/04 Form no -00585C OM.fmFinding Model Number Table of ContentsCustomer Support Safety Alert Symbol SafetyExercise caution to avoid slipping or fall- ing Refer to the Maintenance sectionsKeep children and pets away Use slower engine speedsTo Avoid Serious Injury Operating SymbolsAssembly Steps AssemblyIntroduction Inspect UnitUse the handlebar to roll the tiller to a flat area Install Forward Clutch CableWith the Forward Clutch Bail Y, Fig While preventing the cable adjuster from turningCheck all nuts and screws for tightness Check Transmission OIL LevelFreewheel Ature package to identify the controls on your engineTo adjust the handlebars Travel Position Shallow SettingsTo operate the Forward Clutch Bail Stop all tiller motion by releasing the Forward Clutch BailIntroduction BREAK-IN Operation Following steps describe how to start and stop the engineStarting and Stopping Change engine oilOperating the Tiller For forward motion of the wheels and power to the tinesStopping the Engine and Tiller To move the Model 640C in reverse for short distancesTilling Tips & Techniques Tilling On Slopes Tilling Tips & Techniques CON’TClearing the Tines Read the following recommendations before tilling on slopesTerrace Gardening Loading and Unloading the TillerTiller Lubrication Transmission Gear OIL ServiceCheck Hardware Check Tire PressureRemoving⁄Installing a Tine Assembly Removing⁄Installing a Single TineBolo Tines Tine InspectionReplacement Belt Information Checking and AdjustingTo Check Forward Belt Tension Engine Cleaning AIR Cleaner Service Engine OIL Service Forward Clutch Bail AdjustmentModel 644A only To Check Reverse Belt TensionSpark Arrester Screen Service Spark Plug ServiceOFF-SEASON Storage To Change the Engine OilProblem Possible Cause Correction TroubleshootingDescription Parts ListModels 640C & 644A Models 640C & 644A GW-1325C Shim Set Incl. the following shims Front 433 Models 640C & 640A Hold Tines With Blunt End Toward You Tine ShaftPage 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.