Troy-Bilt 630C, 634A, 634F manual Checking and Adjusting, Replacement Belt Information

Page 19

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. Failure to follow these instructions can result in serious personal injury or property damage.

 

 

 

 

 

b Unthread the hex nut (C, Figure 5-4)

 

 

 

 

 

halfway up the adjustment screw (D).

 

 

 

 

 

c. Unhook the top of the spring from

 

 

 

 

 

the Forward Clutch Bail.

 

 

 

 

 

d. Use pliers to prevent the adjuster (B)

 

 

 

 

 

from turning and turn the slotted screw lo-

 

 

 

 

 

cated inside the spring clockwise (viewed

 

 

 

 

 

from operator’s position) to increase ten-

 

 

 

D

 

sion on the spring. Turn the screw coun-

 

 

 

 

terclockwise to decrease tension. Once

 

 

 

 

 

 

 

 

 

 

adjusted, reattach the spring to the For-

C

 

 

 

 

ward Clutch Bail.

 

 

 

 

 

e. Repeat Steps 2 and 3 to re-measure

 

 

 

 

 

the length of the spring. When the second

 

 

 

 

 

measurement is between 1/16" -to- 3/16"

A

 

 

 

E B

longer than the first measurement, retighten

 

 

 

 

the hex nut (C) against the top of the adjuster

 

 

 

 

 

(B).

 

 

 

 

 

Replacement Belt Information

Figure 5-3: Install tines so that cutting edge of tines enter soil first when tiller moves forward.

If the drive belt needs to be replaced, see

 

 

 

 

 

CHECKING AND ADJUSTING

belt tension is correct if this second mea-

your local authorized dealer or refer to the

FORWARD DRIVE BELT TENSION

surement is between 1/6" -to- 3/16" longer

Parts List for ordering information. Use

only a factory-authorized belt as an “over-

It is important to maintain correct tension

than the first measurement.

 

4. If the spring is too short (less than

the-counter” belt may not perform satis-

on the forward drive belt. A loose belt will

factorily. The procedure requires average

1/16"), the tension is too loose. If the

cause the tines and wheels to slow down —

mechanical ability and commonly available

spring is too long (more than 3/16"), the

or stop completely — even though the en-

tools.

tension is too tight.

 

 

gine is running at full speed. A too tight

 

 

 

 

5. To adjust the length of the spring:

 

 

belt can result in unintentional tine move-

 

 

ment when the clutch bail is in the Neutral

a. Release the Forward Clutch Bail.

 

 

(released) position.

 

 

 

 

 

 

 

 

 

 

5

 

• Check belt tension after the first two

 

 

 

 

 

 

 

 

 

 

 

hours of break-in operation and after every

 

 

 

 

4

 

10 operating hours.

 

 

 

3

 

 

 

 

 

 

 

 

• At the end of each tilling season, check

 

 

A

2

 

 

the belt for cracks, cuts or frayed edges

 

 

 

 

 

 

C

 

 

 

 

and replace it as soon as possible.

 

 

1

 

 

 

B

 

 

 

 

 

 

 

 

To Check Forward Belt Tension:

 

 

 

 

 

 

 

 

D

 

 

1. Stop engine, wait for all parts to stop

 

 

 

 

 

 

 

 

 

 

 

moving and disconnect spark plug wire.

 

 

Hold bail against handlebar while

 

2. With the Forward Clutch Bail in an open

 

 

 

 

 

taking second measurement of spring

 

(released) position, measure and note the

 

 

 

 

 

 

overall length of the cable spring (A, Figure

 

 

 

 

 

 

5-4) by measuring from the outermost coil

 

 

 

 

 

 

to the outermost coil.

 

 

 

 

 

 

 

Figure 5-4: To check forward belt tension, take two measurements of the

3. Squeeze the Forward Clutch Bail

 

 

overall length of the coils in the spring — first with the clutch bail open,

against the handlebar (see Figure 5-4) and

 

then with the clutch bail closed against the handlebar.

re-measure the length of the coils. The

 

 

 

 

 

 

 

 

 

19

 

 

 

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Page 18 Page 20
Contents 11/19/03 Form no -10594D.fmFinding Model Number Table of ContentsCustomer Support Operation Safety Alert SymbolTraining PreparationUse slower engine speeds Maintenance and StorageExercise caution to avoid slipping or fall- ing Keep children and pets awayDecals Operating SymbolsTo Avoid Serious Injury Introduction AssemblyLoose Parts List Assembly StepsUse the handlebar to roll the tiller to a flat area Install Forward Clutch CableIf the spring length is incorrect, you While preventing the cable adjusterOutermost coil to the outermost coil From turningCheck all nuts and screws for tightness Check Transmission OIL LevelFreewheel Ature package to identify the controls on your engineStop all tiller motion by releasing the Forward Clutch Bail Travel Position Shallow SettingsTo adjust the handlebars To operate the Forward Clutch BailStarting and Stopping Introduction BREAK-IN OperationChange engine oil To move the Model 630C in reverse for short distances Operating the TillerStopping the Engine and Tiller For forward motion of the wheels and tinesTilling Tips & Techniques Tilling Tips & Techniques CON’T Power CompostingTilling On Slopes Loading and Unloading the Tiller Clearing the TinesCheck Tire Pressure Transmission Gear OIL ServiceTiller Lubrication Check HardwareTine Inspection Removing⁄Installing a Single TineRemoving⁄Installing a Tine Assembly Bolo TinesReplacement Belt Information Checking and AdjustingTo Check Forward Belt Tension To Check Reverse Belt Tension Forward Clutch Bail AdjustmentEngine Cleaning AIR Cleaner Service Engine OIL Service Models 634F/634A onlyTo Change the Engine Oil Spark Plug ServiceSpark Arrester Screen Service OFF-SEASON StorageProblem Possible Cause Correction TroubleshootingTROY-BILT Tiller Lifetime Limited Warranty
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634F, 630C, 634A specifications

The Troy-Bilt line of tillers, specifically the 634A, 630C, and 634F models, represents a blend of reliability, power, and advanced engineering designed to meet the needs of avid gardeners and professional landscapers alike. Each model boasts unique features and technologies that enhance performance and usability.

The Troy-Bilt 634A is equipped with a 6.5 HP engine, providing ample power for tackling tough soil conditions. The tiller's 16-inch tilling width allows for efficient breaking up of soil, while its impressive tilling depth of up to 8 inches ensures that garden beds are adequately prepared for planting. The 634A model features a lightweight design, making it easy to maneuver around flower beds and garden rows. Additionally, the adjustable handlebar enhances comfort during operation, accommodating various user heights.

In contrast, the Troy-Bilt 630C offers a slightly different approach. This model is designed for those who seek enhanced control and precision while tilling. It features a 6.75 HP engine and similar tilling capabilities but adds an innovative counter-rotating tilling technology. This feature is particularly useful for breaking up compacted soil and mixing in organic materials, resulting in a well-aerated and fertile garden bed. The 630C also comes equipped with a variety of attachments, allowing users to expand its functionality for different gardening tasks.

The 634F model elevates the line further with its robust frame and advanced features. With a powerful 7 HP engine, it provides optimal performance for larger plots of land. The 634F is designed with a wider tilling width of 18 inches, making it perfect for larger gardens and landscaping projects. Its self-propelled system allows for effortless movement across various terrains, reducing user fatigue. Additionally, the 634F includes a unique automatic depth adjustment feature, enabling gardeners to achieve the desired tilling depth without constant manual adjustments.

Across all three models, Troy-Bilt's commitment to user-friendly design shines through. Features such as easy-to-access controls, durable construction, and stable wheels enhance overall usability. The patented "Forward and Reverse" operating system found in these tillers ensures that gardeners can navigate easily in tight spaces, making them versatile for any gardening situation. The combination of power, advanced technology, and user-focused design makes the Troy-Bilt 634A, 630C, and 634F top choices for those looking to cultivate their garden with ease and efficiency.
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