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Cutting Blades

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WARNING: Be sure to shut

the engine off, remove ignition key, disconnect the spark plug wire(s) and ground against the engine to prevent unintended starting before removing the cut- ting blade(s) for sharpening or replacement. Protect your hands by using heavy gloves or a rag to grasp the cutting blade.

WARNING: Periodically inspect the blade spindles for cracks or damage, especially if you strike a foreign object. Replace immedi- atdy if damaged.

The bladesmayberemovedas follows.

1.Removethe deckfrombeneaththe tractor,(referto Cutting Deck Removal)thengentlyflip thedeck overto exposeitsunderside.

2.Placea blockof wood betweenthe centerdeckhous- ingbaffleandthe cuttingbladeto act as a stabilizer. SeeFigure24.

3.Usea 15/16"wrenchto removethe hexflangenut thatsecuresthe bladeto the spindleassembly.See Figure24.

4.Toproperlysharpenthe cuttingblades,removeequal amountsof metalfrombothends of the bladesalong thecutting edges,parallelto the trailingedge,at a 250to 300angle.

IMPORTANT:Ifthe cuttingedgeof the bladehasalready beensharpenedto within15/8" fromtheedge,or if any metalseparationis present,replacethe bladeswith new ones. SeeFigure25.

It is importantthateachcuttingbladeedgebeground equallyto maintainproperbladebalance.

Whenreplacingtheblade,be sureto installthe blade withthe sideof the blademarked"Bottom" (orwith a part numberstampedinit) facingthe groundwhen the moweris inthe operatingposition.

Figure 24

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1-5/8 inch

Figure 25

iMPORTANT:Usea torquewrenchto tightenthe blade spindlehexflangenut to between70foot-poundsand90 foot-pounds.

Fuses

A fuseis installedinyour tractor'swiringharnessto protectthe tractor'selectricalsystemfromdamage causedby excessiveamperage.

Ifthe electricalsystemdoes notfunction,or your

tractor'senginewill notcrank,first checkto becertain thatthe fusehas notblown.

Itcan eitherbefoundunderthe hoodmountedbehind the top of the dashpanelon the supportbar,or under the seatmountedto the insideof the tractorframe nextto the batterytray.

WARNING

Be sure to shut the engine off, remove ignition key, discon- nect the spark plug wire(s) and ground against the engine to prevent unintended starting before remov- ing the cutting blade(s for sharpening or replacement. Protect your hands by using heavy gloves or a rag to grasp the cutting blade.

Periodically inspect the blade spindles for cracks or damage, especially if you strike a foreign object. :teplace immediately if damaged.

Always use a fuse with

the same amperage capacity for replace- ment.

amperage capacity for replace-

,__ Always use a fuse with the same ment.

27

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MTD 769-01645A warranty Cutting Blades, inch, Fuses, Always use a fuse with, Bladesmayberemovedas follows

769-01645A specifications

The MTD 769-01645A is a high-performance lawn mower designed to deliver efficient cutting and ease of use, making it an ideal choice for both residential and commercial lawn care. This model is equipped with a powerful engine that ensures robust performance across varied terrains, reducing the time taken to complete mowing tasks while achieving a clean, even cut.

One of the standout features of the MTD 769-01645A is its cutting deck, which is constructed from durable materials designed to withstand the rigors of regular use. The cutting width is optimized for quick coverage of larger areas, while multiple height adjustment settings allow users to customize the cutting height based on individual preferences and grass types. This versatility makes it suitable for various lawn conditions, whether it is a well-manicured lawn or a more rugged landscape.

The mower is powered by an efficient gas engine, providing ample power to tackle thicker grass and rougher patches without bogging down. Additionally, the engine is designed with fuel efficiency in mind, allowing users to complete more mowing with less refueling. This performance is complemented by an easy-start mechanism, ensuring that users can get started on their lawn care tasks with minimal delay.

In terms of technology, the MTD 769-01645A incorporates user-friendly features such as ergonomic handles and controls, which make it comfortable to operate for extended periods. The mower also features a self-propelled drive system that helps to reduce fatigue, making it especially beneficial for those with larger lawns. The drive system is adjustable, allowing users to change speeds based on their walking pace and lawn conditions.

Maintenance is simplified with the MTD 769-01645A due to its accessible design, allowing for easy cleaning and blade maintenance. The mower's design also features robust wheels that enable smooth movement across uneven surfaces, reducing strain on the user and improving the overall mowing experience.

In summary, the MTD 769-01645A is a powerful and efficient mower that combines advanced technology with user-focused features. Its durable construction, adjustable cutting heights, and ease of use make it a valuable tool for anyone looking to maintain their lawn effectively. Whether you're a professional landscaper or a homeowner, the MTD 769-01645A can help you achieve a beautifully manicured lawn with minimal effort.