moving partsto come to a complete stop, disconnectspark plug wire and move wire awayfrom

,_ WARNING: Beforeinspecting, cleaning or servicing the machine,shut off engine, wait for all spark plug. Failureto follow these instructions can result in serious personal injury or property

damage.

b Unthreadthe hex nut (C,Figure 5-4)

 

 

halfway up the adjustment screw (D).

 

 

c. Unhookthe top of the spring from the

 

 

Forward Clutch Bail.

 

FRONT/

d. Usepliers to preventthe adjuster (B)

 

from turning andturn the slotted screw lo-

 

FORWARD

 

 

cated inside the spring clockwise (viewed

 

 

from operator'sposition) to increaseten-

 

 

sion onthe spring. Turn the screw counter-

 

 

clockwise to decreasetension. Once

 

 

adjusted, reattachthe spring to the For-

C

 

ward Clutch Bail.

\

 

e. RepeatSteps2and3to re-measurethe

 

 

 

 

length of the spring. Whenthe secondmea-

 

 

surementis between1/16"-to- 3/16" longer

 

 

thanthefirst measurement,retightenthe hex

 

 

nut (C)againstthe top of the adjuster(B).

 

 

ReplacementBelt Information

Figure 5-3: Instafl tinesso that cuttingedge of tines enter soft first when tiller movesforward.

If the drive belt needsto be replaced,see

your local authorizeddealeror refer to the

 

 

CHECKINGAND ADJUSTING

tension is correct if this second measure-

Parts List for ordering information. Use

FORWARDDRIVE BELT TENSION

ment is between1/6"-to- 3/16" longer than

only afactory-authorized belt as an "over-

the first measurement.

the-counter" belt may not perform satis-

 

It is important to maintain correct tension

4. If the spring is too short (lessthan

factorily. The procedure requires average

on the forward drive belt. A loose belt will

mechanicalability andcommonly available

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

causethe tinesandwheelsto slow down--

tools.

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

or stop completely -- eventhough the en-

 

tension is too tight.

 

gine is running at full speed. A too tight

 

 

 

belt can result in unintentional tine move-

5. Toadjust the length of the spring:

 

ment when the clutch bail is in the Neutral

a. Releasethe Forward Clutch Bail.

 

(released) position.

 

 

• Checkbelt tension after the first two hours of break-in operation andafter every 10 operating hours.

• At the end of each tilling season, check the belt for cracks, cuts or frayededges and replace it as soon as possible.

To Check ForwardBelt Tension:

1.Stop engine, wait for all parts to stop moving and disconnect spark plug wire.

2.With the ForwardClutch Bailinan open (released) position, measureand note the overall length of the cable spring (A, Figure

5-4) by measuringfrom the outermost coil to the outermost coil.

3. SqueezetheForwardClutch Bailagainst

Figure5-4: Tocheckforwardbelt tension, take twomeasurementsof the

overa// /ength of the coils in the spring--first with the dutch bail open,

the handlebar(see Figure 5-4) and re-

then with the dutch bail closedagainst the handlebar.

measurethe length of the coils. The belt

 

19

Page 18 Page 20
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Image 19
Troy-Bilt 1634A, 630C manual Checkingand Adjusting, Forwarddrive Belt Tension, ReplacementBelt Information
Page 18 Page 20

630C, 1634A 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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