Operation, Before Starting, GAS and OIL FILL-UP

Auger		Auger	Traction Drive
Drive	Traction	Drive	Traction Drive
Drive	Traction	Drive	Clutch
Clutch	Drive	Clutch
	Clutch

	Shift	Chute	Shift
Chute	Lever	Chute	Lever
Chute	Lever	Crank	Lever
Crank
	Models 642 and 662	Models 614, 644, 664, and 6A4
	Figure 22		Figure 23

SECTION 7: OPERATION

BEFORE STARTING

WARNING: Observe all Warning Labels on the snow thrower prior to use. See Figure 1.

Your snow thrower is shipped with oil; however, you must check the oil level before operating. Be careful not to overfill.

The spark plug wire was disconnected for safety. Attach spark plug wire to spark plug before starting

GAS AND OIL FILL-UP

Check oil level and add oil if necessary. Service the engine with gasoline as instructed in the separate engine manual packed with your snow thrower. Read instructions carefully.

WARNING: Never fill fuel tank indoors, with engine running or while engine is hot. Do not smoke when filling fuel tank.

TO START ENGINE

NOTE: If unit shows any sign of motion (drive or augers) with the clutch grips disengaged, shut engine off immediately. Readjust as instructed in the Final Adjustments section of SECTION 5: ASSEMBLY INSTRUCTIONS.

1.Attach spark plug wire to spark plug. Make certain the metal loop on end of the spark plug wire (inside the boot) is fastened securely over the metal tip on the spark plug. See Figure 24.

2.Make certain the fuel cutoff valve is in the OPEN (vertical) position. See Figure 20.

Metal Loop

on Spark

Plug Wire

Rubber Boot

Figure 24

3.Make certain the auger and drive clutch levers are in the disengaged (released) position.

4.Move throttle control up to FAST position. Insert ignition key into slot. See Figure 21. Be certain it snaps into place. Do not turn key.

ENGINE WILL NOT START

UNLESS IGNITION KEY IS IN-

SERTED INTO IGNITION

SLOT IN CARBURETOR

COVER. DO NOT TURN IGNI-

TION KEY.

Electric Starter: (If Equipped)

WARNING: The electric starter is equipped with a three-wire power cord and plug, and is designed to operate on 120 volt AC household current. It must be properly grounded at all times to avoid the possibility of electric shock which may be injurious to the operator. Follow all instructions carefully. If the house wiring system is not a three-wire grounded system, do not use this electric starter under any conditions.

E642E, E644E, E662H, E6A4E, E664F specifications

The MTD E664F, E6A4E, E642E, E644E, and E662H are innovative models within the MTD lineup, showcasing cutting-edge features and advanced technologies designed to provide optimal performance and versatility for various applications.

The MTD E664F stands out with its robust build and powerful engine, making it a reliable choice for commercial and heavy-duty tasks. It incorporates a user-friendly control system, enhancing the operator experience and ensuring precise handling. Its high-capacity fuel tank allows for longer work intervals, reducing downtime and increasing productivity.

Meanwhile, the MTD E6A4E model is tailored for efficiency and ease of use. This unit features a compact design, making it ideal for urban environments or smaller workspaces. Its lightweight construction facilitates effortless maneuverability, while the advanced cutting technology ensures a clean and even finish. Users will appreciate the minimal maintenance requirements, further adding to its appeal.

The MTD E642E combines power with versatility. Equipped with a range of adaptable attachments, this model is suitable for multiple applications, from landscaping to snow removal. Its durable chassis and high-torque engine deliver superior performance under varying conditions. Additionally, the model’s ergonomic design ensures operator comfort during extended use, making it a favorite among professionals.

Similar to the E642E, the MTD E644E focuses on flexibility but enhances it with smart technology integration. Featuring an intuitive interface and connectivity options, operators can monitor and manage operations remotely. This connectivity maximizes uptime through predictive maintenance alerts and efficiency tracking.

Lastly, the MTD E662H is a high-performance model that is engineered for heavy-duty applications. Its powerful engine is paired with advanced transmission technology, ensuring smooth operation even under the most demanding conditions. The fully adjustable settings allow operators to customize performance to meet specific requirements, while the rugged construction promises longevity and reliability.

These models collectively embody MTD’s commitment to innovation and quality, offering various features, including durability, adaptability, and user-focused design. Whether for professional landscaping, agriculture, or maintenance tasks, the MTD E664F, E6A4E, E642E, E644E, and E662H provide a comprehensive range of solutions tailored to meet the needs of today’s operators, reinforcing MTD’s reputation in the market.

Models 614, 644, 664, and 6A4