MTD 664G, 644E manual Maintaining Your Snow Thrower, Drive Wheels, Lubrication

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NOTE: Make certain to check for correct adjustment of the shift rod as instructed in the Final Adjustments section before operating the snow thrower.

Drive Wheels

•The wheels may be adjusted for two different methods of operation. Follow the steps below for adjustment. See Figure 22.

Inside Hole

In Axle

Click Pin In

Outside Hole

Figure 22

One Wheel Driving

•On the right side of the unit, place click pin in the outside axle hole only. Do not place pin through wheel hub.This position gives power drive to the left wheel only, making the unit easier to maneuver.

Both Wheels Driving

•Rotate wheel assembly to align hole in the hub with the inner hole on the axle shaft. Insert click pin in the hole. Outer axle shaft hole should be visible.

IMPORTANT: NEVER operate the snow thrower with the click pin inserted through both the RIM and the OUTSIDE HOLE in the axle. Doing so can result in serious damage to the drive system.

SECTION 7: MAINTAINING YOUR SNOW THROWER

WARNING: Before lubricating, repair- ing, or inspecting, disengage all clutch levers and stop engine. Wait until all mov- ing parts have come to a complete stop. Disconnect spark plug wire and ground it against the engine to prevent unintended starting.

Lubrication

Engine

Refer to the separate engine manual packed with your unit for all engine lubrication instructions.

WARNING: If any adjustments need to be made to the engine while the engine is running (e.g. carburetor), keep clear of all moving parts. Be careful of muffler, engine and other surrounding heated surfaces.

Gear Shaft

•Lubricate the gear shaft with a good all-weather multi-purpose light grease at least once a season or after every 25 hours of operation.

IMPORTANT: Keep all grease and oil off the friction wheel and drive plate.

Wheels

•Oil or spray lubricant into bearings at wheels at least once a season. Pull click pin, remove wheels, clean and coat axles with a multipurpose automotive grease. See Figure 23.

Click Pin

Axle

Figure 23

Chute Directional Control

•The worm gear on the chute directional control should be greased with multipurpose automotive grease.

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Contents Operator’s Manual Table of Contents Training Important Safe Operation PracticesMaintenance and Storage Contents of Hardware Pack Boxed Units Unpacking Assembling Your Snow ThrowerLoose Parts Boxed Unit CrateAssembly Crated Unit Attaching Handle AssemblyAttaching Shift Rod Hardware D Attaching Clutch Cables Attaching the Chute Assembly Hardware FAttaching The Chute Directional Control Shift Lever Know Your Snow ThrowerAuger Drive Control Traction ControlOperating Your Snow Thrower To Engage Drive To Stop EngineTo Engage Augers Recoil StarterOperating Tips Chute Clean-Out ToolDrift Cutters If Equipped Traction Control and Shift Lever Making AdjustmentsAdjusting Shift Rod Chute AssemblyAuger Control Skid ShoesLubrication Maintaining Your Snow ThrowerDrive Wheels Shave Plate and Skid Shoes Servicing Your Snow ThrowerEngine Auger Belts Belt Removal and ReplacementAugers Drive Belt Friction Wheel RubberOff-Season Storage Trouble Possible Causes Corrective Action Trouble Shooting GuideModels 614E, 644E, & 664G Part Description Models 614E, 644E, & 664GModels 614E, 644E, & 664G Jam Lock Nut 3/8-24 Compression Spring 736-0105 Drive Clutch Cable Auger Clutch Wheels Models 614E, 644E, & 664G Models 614E 1615 Models 644E & 664GSize Page MANUFACTURER’S Limited Warranty for

664G, 644E specifications

The MTD 644E and 664G tractors represent a significant leap in agricultural technology and efficiency, designed for diverse farming applications. Known for their robust build and advanced features, these models cater to both small and large-scale agricultural operations.

Starting with the MTD 644E, it is powered by a state-of-the-art diesel engine, providing a reliable performance that enhances productivity. The engine delivers impressive horsepower, allowing farmers to tackle various tasks effortlessly. Its fuel efficiency is a standout feature, ensuring reduced operational costs while still meeting demanding farm requirements. The 644E also features a compact design, making it highly maneuverable in tight spaces while maintaining a sturdy construction that guarantees durability in rugged conditions.

On the other hand, the MTD 664G offers slightly higher horsepower, making it suitable for more intensive agricultural work. This model is equipped with a more advanced engine management system that optimizes performance and fuel consumption, ensuring that farmers can work longer hours without frequent refueling. The 664G’s larger frame accommodates additional implements, expanding its versatility for tasks including plowing, tilling, and harvesting.

Both models are built with user-friendly controls, allowing operators to focus on their tasks without unnecessary distractions. The ergonomic seating and intuitive interface are designed to minimize fatigue during long working days. Additionally, these tractors come with a range of safety features, including effective braking systems and visibility enhancements that prioritize operator safety.

Technologically, both the 644E and 664G incorporate precision farming features that allow for better resource management. Implement compatibility enables seamless integration with various agricultural tools, giving users flexibility in their operations. Regular software updates ensure that the tractors remain at the forefront of agricultural technology, further enhancing performance and efficiency.

In summary, the MTD 644E and 664G tractors are tailored for modern farmers seeking reliability and efficiency. Their powerful engines, compact designs, and cutting-edge technology make them indispensable tools on any farm, capable of handling a multitude of agricultural tasks with ease and precision.
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