Cotter Pins

Cotter Pins

 

 

Figure. 6

Height of Cut Clevis

 

 

 

removing the lift linkage from the deck will cause it to snap back.

d.Detach the mower drive belt.

e.Remove six cotter pins (See Fig. 6) (4) from the deck and (2) from the front of the mower. Remove the cotter pins on the left and right rear side of the cutter deck (2); remove the cotterpins on the left and right front side of the cutter deck (2); and remove the cotter pins on the front of the mower (2).

f.Turn front caster wheels outward.

g.Shift the deck toward the ignition switch side of the mower and remove.

h.To install reverse the process.

2.Changing a Blade:

a.Jack up the front of the mowing deck about one foot and block it in that position.

b.To prevent the blade from turning, secure the blade by placing by placing a block of wood between the blade and the deck housing.

c.Use a 1-1/8" socket wrench on the pulley side of the spindle to secure.

d.Remove the hex nut using a 1-1/8" wrench.

e.Remove the hex nut.

f.To replace the blade reverse the above process and tighten nut to 100-120 ft. lb.

WARNING:

Never mow with dull blades! Blades that are bent should be replaced! The cutting blades are sharp and can cause severe injury. Wrap the cutting surface of the blade with a rag to avoid injury.

a.Set the parking brake.

b.Clean any debris from the blades. Keep blades sharp and free of build up at all times.

c.Sharpen blades evenly at the original 30° angle to maintain balanced cutting blades. Do not sharpen the underside of the blades. Use a electric blade sharpener, a conventional electric grinder or a hand file to sharpen the blades.

d.Replace any blade with severe nicks or dents that cannot be removed by filing.

e.Check the balance of the blade after sharpening by placing it on a blade bal- ancer. Do not use un-balanced blades.

f.If the blade dips on one end, file stock off of the cutting surface on that end.

Note: Blades that cannot be easily bal- anced—REPLACE.

3.Changing the Blade Drive Belts:

a.Set the parking brake. Remove ignition key and both spark plug caps.

b.Unscrew the wing nuts from the deck cov- ers and remove both covers.

c.Using a 1/2" socket breaker bar or socket rachet insert the male end into the 1/2" opening in the lower idler arm assembly and pull the idler arm clockwise. While holding the idler arm back, loosen the blade drive belt from the pulley and slide the belt away from the pulley.

d.Remove tension of the PTO belt by moving the belt tensioning rod. Loosen the belt retaining bolt.

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MTD 18HP service manual Changing a Blade, Changing the Blade Drive Belts
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18HP specifications

The MTD 18HP is a robust and reliable lawn tractor that has gained popularity amongst gardening enthusiasts and homeowners alike. This machine is designed to provide efficient performance while maintaining a user-friendly experience. One of the standout features of the MTD 18HP is its powerful 18 horsepower engine, which ensures that users can tackle even the toughest mowing tasks with ease. The engine is engineered to deliver impressive torque, making it suitable for a variety of environments and terrain types.

One of the key technologies integrated into the MTD 18HP is its hydrostatic transmission system. This feature allows for smooth and seamless operation, enabling the operator to effortlessly control the speed and direction of the mower without the need for shifting gears. This element greatly enhances the overall user experience and makes the machine easier to handle, especially for those who may be new to operating tractors.

The cutting deck of the MTD 18HP is another remarkable attribute. Typically featuring a 42-inch or 46-inch cutting width, the deck is designed for efficient grass cutting and allows for quick maneuverability around obstacles. With multiple cutting height adjustments, users can customize their mowing height to suit their lawn's specific needs. The durable construction of the cutting deck also aids in extending the lifespan of the mower while ensuring that it can withstand challenging mowing conditions.

Additionally, the MTD 18HP is equipped with ergonomic controls that enhance comfort during operation. The contoured seat and easy-to-reach controls promote a more enjoyable mowing experience, reducing fatigue during extended usage. The tractor also features large rear wheels that provide excellent traction and stability on uneven terrain.

Safety is a priority with the MTD 18HP, which includes features such as an automatic blade brake that engages when the operator leaves the seat, preventing any accidental injury.

In summary, the MTD 18HP is a powerful, user-friendly lawn tractor that combines impressive engine performance with innovative technologies and thoughtful design features. From its hydrostatic transmission to its adjustable cutting deck and ergonomic controls, this tractor is well-equipped to handle a range of yard maintenance tasks with ease and efficiency. Whether for residential or light commercial use, the MTD 18HP remains a solid choice for those who seek reliability and performance in their lawn care equipment.
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