Troy-Bilt 664D, 665B, E666M manual Maintenance, Check for OIL Leaks, Transmission Gear OIL Service

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18Section 5: Maintenance

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.

CHECK FOR OIL LEAKS

Before each use, check your tiller for signs of an oil leak – usually a dirty, oily accumulation either on the unit or on the floor where it has been parked.

A little seepage around a cover or oil seal is usually not a cause for alarm. However, if the oil drips overnight then immediate attention is needed as ignoring a leak can result in severe transmission damage.

If a cover is leaking, try tightening any loose screws or bolts. If the fasteners are tight, a new gasket or oil seal may be required. If the leak is from around a shaft and oil seal, the oil seal probably needs to be replaced. See your autho- rized dealer or contact the factory for service or advice.

IMPORTANT: Never operate the tiller if the transmission is low on oil. Check the oil level after every 30 hours of operation and whenever there is any oil leakage.

TRANSMISSION GEAR OIL SERVICE

Check the transmission gear oil level after every 30 hours of operation or whenever you notice any oil leak. Operating the tiller when the transmission is low on oil can result in severe damage.

A. To Check Transmission Gear Oil Level:

1.Check the gear oil level when the trans- mission is cool. Gear oil will expand in warm operating temperatures and this expansion will provide an incorrect oil level reading.

2.To check the gear oil level (and to add oil, if necessary), refer to “STEP 5: Check Gear Oil Level in Transmission” in Section

2of this manual.

B. To Drain and Refill the Transmission:

The transmission gear oil does not need to be changed unless it has been contami- nated with dirt, sand or metal particles.

1.Prop up the left side of the unit so that it will be securely supported when the left side wheel is removed. Remove the left side wheel by removing the wheel mount- ing hardware.

2.Unscrew the plastic gear oil fill plug from the top of the transmission.

3.Place a clean pan below the transmis- sion drain plug (see Figure 5-3) and remove the drain plug. The oil will start flowing out of the drain hole (it may flow slowly, especially in cold temperatures).

4.Remove the transmission gear oil level check plug that is located a few inches above the left side wheel shaft.

5.When the oil stops flowing, tilt the transmission forward to drain oil from the rear of the transmission.

6.After draining the oil, clean the threads of the drain plug, apply a non-hardening removable gasket sealant to the threads, and securely reinstall the drain plug.

7.Using a clean funnel, slowly add SAE

140or SAE 85W-140 weight gear oil (with an API rating of GL-4 only) to the transmission. The transmission holds approximately 3-1/4 pints (52-54 ounces). Tilt the tiller slightly backwards to make sure the gear oil reaches the rear (tine) end of the transmission. Stop adding gear oil when it begins to flow from the oil level check hole on the side of the transmission.

8.Securely reinstall the oil level check plug.

9.Securely reinstall the gear oil fill plug on top of the transmission.

10.Reinstall the wheel and remove the prop.

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Contents Operator’s Manual Engine Information Table of ContentsFinding Model Number Calling Customer SupportTraining SafetySafety Alert Symbol PreparationKeep children and pets away Maintenance and StorageSafety Use slower engine speedsDecals To Avoid Serious InjuryIntroduction AssemblyHardware BAG Parts List Inspect UnitAttach Reverse Clutch Control Cable Attach Forward Clutch Control CableAssistance Check AIR Pressure in Tires AssemblyAttach Wheel Gear Lever Marked NegForward Clutch Control Features and ControlsWheel Gear Lever To Operate the Forward Clutch ControlReverse Clutch Control Features and ControlsEngine Controls Depth RegulatorStarting and Stopping Engine PRE-START ChecklistOperation BREAK-IN OperationStarting the Engine Operating the TillerOperation Stopping the EngineFor reverse motion of the wheels and tines Stopping the Tiller and EngineTilling Tips & Techniques Choosing correct wheel and tine speedsTilling across slopes without using terraces Tilling up and down slopesTerrace Gardening Power Composting Loading and Unloading the TillerCheck Hardware MaintenanceMaintenance Schedule Check Tire PressureCheck for OIL Leaks MaintenanceTransmission Gear OIL Service To Check Transmission Gear Oil LevelAIR Cleaner Service Engine CleaningEngine OIL Service Spark Plug ServiceWheel Gear Cable Adjustment OFF Season StorageBolo Tines Checking and Adjusting Forward Clutch Belt Tension Cutting Edge TineChecking and Adjusting Reverse Clutch Belt Tension Checking Forward Belt TensionInstalling Forward Clutch Belt Removing Forward Clutch BeltReverse Clutch Belt Removal and Replacement Installing Reverse Clutch BeltRemoving Reverse Clutch Belt Battery Maintenance Troubleshooting Problem Possible Cause CorrectionBumper 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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