Blade Mounting Torque

3/8" Dia. Bolt 375 in. Ib, min.. 450 in. Ib, max. 5/16" Dia. Bolt 150 in. Ib, min., 250 in, Ib, max,

To insure safe operation of your unit, ALL nuts and bolts must be checked periodically for correct tightness.

FUELFILTER

Your unit is equipped with a replaceable in-line fuel

filter. Replace filter whenever contamination or discoloration is noticed. Order replacement- filter through participating Western Auto Stores.

BELTREMOVALANDREPLACEMENT

WARNING: Disconnect the spark plug wire and ground it against the engine. Block the wheels of the unit.

NOTE: Figures 18 and 22 through 24 are shown with the unit tipped up for clarity. It is not necessary to tip the unit to remove the belts.

However, if tipping the unit is desired, remove the bat. tery from the unit. To prevent gasoline leakage, drain the gasoline, or remove the fuel tank cap, place a thin piece of plastic over the neck of the fuel tank and screw on the cap. Be certain to remove the plastic when finished changing the belts. Block unit securely.

Deck Belt Removal and Replacement

1.Place the lift lever in the disengaged position.

2.Remove the hex bolts (belt keepers) from the engine pulley belt guard. See figure 18.

NOTE: When reassembling, make certain hex bolts are assembled in the same locations from which they were removed. See figure 1 B.

Unhook the deck belt from the engine pulley.4. Place the lift lever in the engaged (all the way for- ward) position.

5.Disconnect the spring which is attached to a bracket on the transaxle. inside the left rear wheel. Use a spring puller or other suitable tool.

6.Disconnect the six deck links by removing the hair- pin clips and flat washers.

7.Disconnect the stabilizer plate from the stabilizer shaft assembly by removing the hairpin clips and flat washers and sliding out the rod.

8.Place the lift lever in the disengaged position.

9.Slide the deck from beneath the lawn tractor.

10.Remove the belt guards at each deck pulley by removing the hex bolts, lock washers and hex nuts. See figure 19.

Belt Guard

FIGURE 19.

11.Remove and replace the belt, reassemble follow- ing the instructions in reverse order.

Rear Drive Belt

1.Place shift lever in neutral position. Unscrew the shift knob. Remove the two truss head screws which secure the transmission cover. See figure

20A.

2.Lift the transmission cover. Unplug the safety wire from beneath the transmission cover. See figure 208. Remove transmission cover.

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FIGURE 20.

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Bolens MTD7122B09 manual ~/3, Fuelfilter, Beltremovalandreplacement
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MTD7122B09 specifications

The Bolens MTD7122B09 is a reliable and efficient garden tractor that caters to both residential and commercial users seeking a powerful machine for their lawn care needs. This model seamlessly blends user-friendly features and robust technologies, ensuring a seamless mowing experience.

One of the standout features of the Bolens MTD7122B09 is its powerful engine. Equipped with a reliable Briggs & Stratton engine, this tractor offers substantial horsepower and torque, allowing users to tackle even the toughest mowing tasks with ease. The engine is designed for durability and longevity, providing consistent performance year after year.

The cutting deck is another remarkable aspect of the MTD7122B09. With a 42-inch cutting width, it allows users to cover larger areas in less time, making it ideal for both small and medium-sized lawns. The deck features three blade cutting systems, allowing for precise cuts while providing a professional-looking finish. The ability to adjust the cutting height offers versatility, making it suitable for various grass types and terrains.

Comfort is a priority with the Bolens MTD7122B09, and this is reflected in its ergonomic seating and easy-to-use controls. The plush seat is designed to provide maximum comfort during long mowing sessions, while the conveniently located controls ensure users can operate the tractor effortlessly. The steering wheel is adjustable, catering to users of different heights.

In terms of technology, the Bolens MTD7122B09 incorporates innovative system features like a hydrostatic transmission, which delivers smooth shifting and eliminates the need for manual gear changes. This transmission technology enhances maneuverability, making it easy to navigate around obstacles in the yard.

Additionally, the tractor supports mulching capability, bagging, and side discharge, offering users multiple options for grass disposal. These features help maintain a tidy lawn while reducing the need for frequent clean-up.

For safety, the Bolens MTD7122B09 includes safety features such as an automatic shutdown when the operator leaves the seat, ensuring that the mower stops when it is no longer in control.

The Bolens MTD7122B09 is not just a lawn mower; it’s a robust gardening tool designed for efficiency and comfort. Its combination of powerful performance, user-friendly features, and innovative technology makes it an excellent choice for anyone serious about lawn care.
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