Troy-Bilt 664D, 665B, E666M Cutting Edge Tine, Checking and Adjusting Forward Clutch Belt Tension

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Section 5: Maintenance

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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. Remove the key from the keyswitch on units so equipped.

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

Cutting Edge

of Tine

Figure 5-6: Removing single tine.

Cutting Edge

of Tine

Figure 5-7: Removing a tine assembly.

WARNING

Follow the belt adjustment instructions carefully. An incorrect adjustment could result in the clutch control mechanism engaging too soon. This could cause loss of tiller control and result in per- sonal injury or property damage.

CHECKING AND ADJUSTING TENSION ON CLUTCH BELTS

Maintaining correct belt tension is impor- tant to good tilling performance and long belt life. A loose belt will slip on the engine and transmission pulleys and cause the tines and wheels to slow down

–or stop – even though the engine is running at full speed. A loose belt will also result in premature belt wear.

While checking belt tension, also check for cracks, cuts or frayed edges. A belt in poor condition should be replaced.

Tension on a new forward clutch belt (C, Figure 5-8) should be checked after the

C

Figure 5-8: Forward clutch belt. (C, Left- side view, no belt cover.)

D

Figure 5-9: Reverse clutch belt (D). (Right-side view, no belt cover.)

first two (2) hours of operation and after every ten (10) hours of operation.

The reverse clutch belt (D, Figure 5-9), because it is used more sparingly, may not require tension adjustment until a sig- nificant number of operating hours has passed. A tension adjustment is required only if there is little or no reverse move- ment when the Reverse Clutch Control knob is pulled out.

Checking and Adjusting

Forward Clutch Belt Tension

It is important to maintain correct tension on the forward clutch belt. A loose belt will cause the tines and wheels to slow down – or stop completely – even though the engine is running at full speed.

E

F

Figure 5-10: Location of forward clutch cable spring (E) and forward cable adjuster (F).

2-1/2" extended spring length

Figure 5-11: Correct spring length when Forward Clutch Levers are engaged is 2-1/2".

A loose belt will also result in premature belt wear.

•Check belt tension after the first two hours of break-in operation and after every 10 operating hours.

•At the end of each tilling season, check the belt for cracks, cuts or frayed edges. A belt in poor condition should be replaced.

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Contents Operator’s Manual Finding Model Number Table of ContentsEngine Information Calling Customer SupportSafety Alert Symbol SafetyTraining PreparationSafety Maintenance and StorageKeep children and pets away Use slower engine speedsTo Avoid Serious Injury DecalsHardware BAG Parts List AssemblyIntroduction Inspect UnitAttach Reverse Clutch Control Cable Attach Forward Clutch Control CableAssistance Attach Wheel Gear Lever AssemblyCheck AIR Pressure in Tires Marked NegWheel Gear Lever Features and ControlsForward Clutch Control To Operate the Forward Clutch ControlEngine Controls Features and ControlsReverse Clutch Control Depth RegulatorOperation PRE-START ChecklistStarting and Stopping Engine BREAK-IN OperationOperation Operating the TillerStarting the Engine Stopping the EngineStopping the Tiller and Engine For reverse motion of the wheels and tinesChoosing correct wheel and tine speeds Tilling Tips & TechniquesTilling across slopes without using terraces Tilling up and down slopesTerrace Gardening Loading and Unloading the Tiller Power CompostingMaintenance Schedule MaintenanceCheck Hardware Check Tire PressureTransmission Gear OIL Service MaintenanceCheck for OIL Leaks To Check Transmission Gear Oil LevelEngine OIL Service Engine CleaningAIR Cleaner Service Spark Plug ServiceWheel Gear Cable Adjustment OFF Season StorageBolo Tines Cutting Edge Tine Checking and Adjusting Forward Clutch Belt TensionChecking Forward Belt Tension Checking and Adjusting Reverse Clutch Belt TensionRemoving Forward Clutch Belt Installing Forward Clutch BeltReverse Clutch Belt Removal and Replacement Installing Reverse Clutch BeltRemoving Reverse Clutch Belt Battery Maintenance Problem Possible Cause Correction TroubleshootingBumper Model OEM-290-254 HILLER/FURROWER Model OEM-290-251ROW MARKER- Model OEM-290-257 TROY-BILT Tiller Lifetime Limited Warranty
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E666M, 665B, 664D specifications

Troy-Bilt is a trusted name in outdoor power equipment, and their line of tillers, including the E666M, 664D, and 665B models, exemplifies their commitment to quality and practicality. These tillers are designed to make soil preparation easier and more efficient, catering to both amateur gardeners and seasoned landscapers alike.

The Troy-Bilt E666M is a robust machine tailored for ease of use and reliability. With a powerful engine, it delivers consistent performance, ensuring that users can tackle even the toughest soils. One of its standout features is the adjustable tilling width, which provides flexibility for various gardening needs. This tiller also boasts a Reverse Tillage feature, allowing the operator to break up stubborn soil with ease while enhancing control during operation.

The 664D model takes efficiency a step further with its durable construction and user-friendly design. This tiller is equipped with a dependable engine that provides ample power for deep soil cultivation. The 664D features self-propulsion technology, allowing users to maintain steady speed without exerting excessive effort. The adjustable depth settings further enhance soil penetration, making it possible to cultivate deep for extensive planting or surface till for lighter gardening tasks.

With the 665B, Troy-Bilt introduces advanced engineering for increased maneuverability and performance. This tiller features a patented belt-drive system that improves torque and ensures optimal power transfer to the tines. The 665B is also designed with comfort in mind, featuring ergonomic handles that reduce strain on the operator, making it ideal for longer gardening sessions. Its heavy-duty tines ensure exceptional soil mixing, while the adjustable tilling width and depth allow for customization according to specific gardening requirements.

All three tillers come equipped with Troy-Bilt's signature red oversized drag stake, enabling users to control tilling depth and improve stability during operation. They are designed with durable components that promise longevity and reliability, ensuring that they can withstand rigorous use season after season.

In summary, the Troy-Bilt E666M, 664D, and 665B tillers offer a variety of features and technologies that cater to every gardening need. With their reliable engines, user-friendly designs, and advanced tilling capabilities, these models embody the innovation and durability that Troy-Bilt is known for, making them excellent choices for anyone looking to elevate their gardening experience.
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