Mower Blades

Section 5: Maintenance

WARNING

Before inspecting, cleaning or servicing the machine, shut off engine, wait for moving parts to stop, disconnect spark plug wire and move wire away from spark plug. Remove ignition key (electric start models).

Failure to follow these instructions can result in serious personal injury or property damage.

Figure 5-15: Transmission neutral (N) adjustment.

Replace if separation

begins to form.

WARNING

Mower blades are sharp.

•When working near blades, wear heavy leather gloves or wrap blades in thick rags to protect yourself from the sharp edges.

•Wear eye protection when sharpening blades.

Examine mower blades before operation. For efficient mowing, cutting edges of blades should always be kept sharp. Check for blade wear or damage. See Figure 5-16. Replace a severely worn or damaged blade with a new one.

To Inspect Blades:

1.Stop engine, wait for all parts to stop moving, and disconnect spark plug wire.

2.Tip mower on rear wheels by follow- ing instructions “Tipping Mower For Service” in this Section of Manual.

To Remove Blades:

Remove bolt (Figure 5-18) and washer(s). Remove mower blade.

To Sharpen Blades:

Grind or file the same amount from each blade end to maintain blade balance. An unbalanced mower blade produces ex- cessive vibration and may damage spin- dle bearings. Sharpen cutting edge straight across, parallel to rear edge of mower blade. See Figure 5-16. After sharpening, blade balance must be checked.

IMPORTANT: PROFESSIONAL SHARP- ENING SERVICES OR YOUR AUTHO- RIZED DEALER ARE EQUIPPED TO SHARPEN MOWER BLADES SAFELY.

To Install Blades:

Blades must be installed perpendicular to each other (see Figure 5-17).

Install mower blade as shown in Figure 5-18 with flat side down. Install washer on bolt. Tighten bolts to a torque value of 35 ft. lbs. (47 Nm).

NOTE: If top bolt is removed, reinstall using LOCTITE #242 thread sealant.

Sharpen blade cutting edge straight across, parallel to blade trailing edge.

Figure 5-16: Blade Inspection

FRONT

BLADES

MUST BE PERPENDICULAR

TO EACH OTHER

Figure 5-17
	Torque to
	35 Ft. Lbs.
	Mower Blade
	Washer
Bolt	Torque to
	35 Ft. Lbs.

Figure 5-18: Blade spindle.

753B, F753B specifications

The Troy-Bilt 753B, also known as the F753B, stands out as a powerful and versatile outdoor equipment tool designed for homeowners and landscaping professionals alike. This model is particularly recognized for its robust construction and user-friendly features, making yard maintenance a more efficient and enjoyable experience.

One of the prominent features of the Troy-Bilt 753B is its potent 4-cycle engine, which provides the necessary power to tackle a variety of tasks, from trimming and edging to clearing dense grass and weeds. Unlike many 2-cycle engines, the 4-cycle design allows for cleaner operation and reduced emissions, making it an environmentally friendly choice for users. This engine is engineered for easy starting, with a reliable recoil starting system that ensures you're ready to work without the hassle of complicated starting procedures.

The design of the Troy-Bilt 753B includes a well-balanced frame that enhances maneuverability, allowing users to navigate through tight spaces and around obstacles with ease. The adjustable handle system adds to the comfort, enabling users to tailor the machine's height and angle to their personal preference. This attention to ergonomics helps reduce fatigue during extended use.

In terms of versatility, the F753B model is equipped with a pivoting head that allows for multiple cutting angles, providing flexibility for a variety of trimming tasks. Whether you need to trim along fences, landscape borders, or in hard-to-reach areas, this feature makes the job simpler and more efficient.

Another significant attribute of the Troy-Bilt 753B is the bump feed head, which facilitates easy line advancement. When the cutting line wears down, users can simply tap the head on the ground to release more line, ensuring continuous operation without the need to stop and manually feed the line. This innovative feature enhances productivity and minimizes interruption during work.

Moreover, the Troy-Bilt 753B incorporates advanced vibration-dampening technology, which not only improves user comfort but also helps maintain precision during operation. This design innovation allows for longer working periods without the discomfort commonly associated with handheld tools.

Overall, the Troy-Bilt 753B, F753B is a reliable and efficient tool that combines power, user comfort, and cutting-edge features to meet the demands of even the most challenging yard work. Its robust build-quality and thoughtful engineering make it a preferred choice for both casual users and landscaping professionals looking for performance and durability.