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

Page 29

 

 

 

 

 

MODELS 640C & 640A

 

 

 

 

 

 

REF

PART NO.

DESCRIPTION

REF

PART NO.

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

 

 

 

 

1

736-0159

Flat Washer, 5/16

22

710-04049

Hex Hd. Screw, 5/16-18 x 5/8

2

714-0139

Key, 3/16" x 2" (A)

23

710-0347

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

 

1108841

Key, 3/16" x 1-1/2" (B)

24

710-0599

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

3

1916351

Pulley, Engine Drive

25

710-3103

Hex Hd. Screw, 5/16-18 x 2 (B)

4

656-04023

Transmission Pulley (A)

26

712-3000

Lock Nut, 3/8-16

 

656-04005

Transmission Pulley (B)

27

712-3009

Lock Nut, 5/16-18

5

1916535

Pulley, Reverse Idler (B)

28

736-0119

Lock Washer, 5/16

6

1916652

Guard, Belts/Pulleys

29

750-0535

Spacer, .380 ID x .625 OD x .21

7

1916657

Forward Drive Belt

30

736-3090

Flat Washer

8

1916658

Reverse Drive Belt (B)

31

736-0452

Bell Washer

9

1916660

Belt Cover

32

710-0151

Hex Hd. Screw, 3/8-24 x 2.0, GR5

10

1916724

Reverse Return Spring (B)

33

GW-50027

Support Washer

11

1916725

Belt Guide (B)

34

GW-55034

Forward Return Spring

12

1916726

Forward Belt Guide

35

GW-55049

Bracket, Cable Mounting

13

1916794

Engine Bracket, Left

36

GW-9090

Forward Idler Pulley

14

1916795

Engine Bracket, Right

37

GW-9301

Key, 3/16" x 1"

15

1917326

Bracket, Belt Cover

38

736-3078

Flat Washer

16

1917746

Shoulder Washer

39

GW-9944

Belleville Washer

17

1918731

Reverse Idler Arm (B)

40

710-0395

Hex Screw, 5/16-18 x 2.25 Gr5 (A)

18

1918744

Forward Idler Lever

41

712-3010

Nut, Hex Lock, 5/16-18 (A)

19

710-0627

Hex Hd. Screw, 5/16-24 x 1.25 (A)

42

750-0258

Spacer, Shoulder (A)

 

710-0117

Hex Hd. Screw, 5/16-24 x 1 (B)

43

736-0315

Washer, Flat, .75 x 1.5 x .125 (A)

20

710-0237

Hex Hd. Screw, 5/16-24 x 58

 

GW-1138-2

Shim, 1.0 x .765 x .031 (B)

21

710-0376

Hex Hd. Screw, 5/16-18 x 1

 

 

 

 

 

 

 

 

 

(A)For Model 640C

(B)For Model 644A

29

Image 29
Contents 15/04 Form no -00585C OM.fmCustomer Support Table of ContentsFinding Model Number 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 InspectionTo Check Forward Belt Tension Checking and AdjustingReplacement Belt Information 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.