Section 4 - ADJUSTMENTS & REPAIR

WARNING

DO NOT attempt any adjustments, maintenance, service or repairs with the engine running. Stop engine. Stop blade. Engage parking brake. Remove key. Remove spark plug wire from spark plug and secure away from plug. Engine and components are HOT. Avoid serious burns, allow all parts to cool before working on machine. Fuel Filler Cap and Vent must be closed securely to prevent fuel spillage. Wear heavy leather gloves when handling or working around cutting blades. Blades are extremely sharp and can cause severe injury. DO NOT use a cutting blade that shows signs of excessive wear or damage.

4.4WHEEL BRAKE ADJUSTMENT

Adjust the wheel brake if wheels turn when parking brake is engaged. Adjust the wheel brake by turning wheel brake adjusting nut clockwise to increase braking action or counter clockwise to decrease braking action. See Figure 4.14.

ADJUST

UNDERSIDE VIEW OF MACHINE

COUNTER-

 

CLOCKWISE TO

 

DECREASE

 

BRAKE

 

ADJUST

 

CLOCKWISE

 

TO INCREASE

 

BRAKE

 

ELECTRIC

CLUTCH

WHEEL BRAKE

ROD

FIGURE 4.14

4.5MOWER BLADE REPLACEMENT 4.5.1. BLADE WEAR LIMITS

1.Inspect blade frequently for signs of excessive wear or damage. See Figure 4.15.

NEW BLADE

WEAR LIMIT (NOTCH STARTS)

DANGEROUS CONDITION!

DO NOT USE ON MOWER!

REPLACE WITH NEW BLADE.

4.5.2. BLADE SHARPENING

1.Close vent in fuel cap and make sure cap is tight. See Figure 2.2.

2.Remove key from ignition switch. Engage parking brake.

3.Remove spark plug wire(s) and secure away from spark plug(s).

4.Raise cutting deck to highest setting.

5.With a floor jack, carefully raise front of machine to gain easier access to under deck. Block machine securely.

6.Remove blade(s). See Figure 4.16.

7.Inspect condition of blade. See Figure 4.14.

8.If blade is in good condition, sharpen at 22 to 28 degrees. DO NOT sharpen beyond existing cutting edge. See Figure 4.17.

9.Check blade balance after sharpening. If necessary, correct blade balance by grinding the heavy end of blade.

10.Reinstall blade. See Figure 4.16. Torque blade mounting bolts to recommended range of:

33” Deck - 30 to 40 ft. lbs. 38” Deck - 80 to 90 ft. lbs.

33” DECK

38” DECK

 

FIGURE 4.16

DO NOT SHARPEN

 

BEYOND ORIGINAL

22º TO 28º

CUTTING EDGE

BLADE TIP

ORIGINAL CUTTING EDGE

FIGURE 4.15

FIGURE 4.17

24

Page 24
Image 24
Snapper SZT18386BVE Wheel Brake Adjustment, Mower Blade Replacement 4.5.1. Blade Wear Limits, Blade Sharpening

SZT18336BVE, SZT18386BVE specifications

The Snapper SZT18386BVE and SZT18336BVE are two remarkable zero-turn mowers that combine cutting-edge technology with robust performance, catering to both residential and commercial users who value efficiency and precision in their lawn care tasks.

The SZT18386BVE model features an impressive 38-inch cutting deck, designed to maneuver easily around obstacles while providing a clean and even cut. Its 18-horsepower engine delivers ample power to tackle even the toughest grass conditions, ensuring a seamless mowing experience. The mower's zero-turn capability allows for sharp turns and enhanced agility, making it an ideal choice for landscapes with numerous flower beds or trees. This model is also equipped with a comfortable high-back seat, offering support for extended periods of operation, along with an easy-to-use control panel that places everything within reach for the operator.

On the other hand, the SZT18336BVE boasts a slightly narrower 36-inch cutting deck paired with a 18-horsepower engine, making it an excellent choice for smaller yards that still require the same level of professionalism in their maintenance. This model also integrates Snapper’s innovative Smart Start technology, which ensures quick and reliable engine starts every time. Its compact design means it is easier to store and maneuver in tighter spaces, while still maintaining a high level of cutting performance.

Both models feature durable steel construction, ensuring longevity and resistance to wear and tear. They come with adjustable cutting heights, enabling users to customize their mowing experience according to grass length and health. Additionally, Snapper has incorporated a user-friendly maintenance access panel, which simplifies routine inspections and servicing.

Another key feature is the enhanced wheel and tire design, which provides superior traction and stability on various terrains. This is vital for users who often mow in uneven or sloped areas, as it contributes to safety and efficiency.

With their powerful engines, advanced features, and thoughtful designs, the Snapper SZT18386BVE and SZT18336BVE are positioned as top contenders in the zero-turn mower market. Perfect for homeowners and professionals alike, they deliver a perfect blend of performance, comfort, and reliability, making lawn care a more enjoyable experience.