Section 4 - ADJUSTMENT & REPAIR

WARNING

DO NOT attempt any adjustments, maintenance or service with the engine or blade running. STOP blade. STOP engine. Set brake. Remove key. Remove spark plug wire from spark plug and secure wire away from spark plug. Engine and components can be extremely hot. Avoid burns by allowing engine and components sufficient time to cool. If deck front to rear level is not correct, this could cause blade belt problems.

4.2.2.BLADE BELT ADJUSTMENT – 33” DECK

1.Move tractor to a firm, level surface.

2.Turn engine "OFF". Remove key.

3.Move blade engagement lever down to "OFF". See Figure 4.2.

4.Place deck in mid cutting position.

5.Check front to rear level. Refer to Section “33 DECK LEVEL ADJUSTMENT (FRONT TO REAR)”.

MOVE BLADE

ENGAGEMENT

LEVER TO “OFF”

FIGURE 4.2

IMPORTANT: If deck front to rear level is not correct, this could cause blade belt problems.

6.Move blade engagement lever to "ON".

7.Measure blade cable extension spring. The length of the spring (x) should increase by 1” (+/-1/8”). See Figure

BLADE CABLE

EXTENSION

SPRING

X

X + 1” +/- 1/8”

8.(33" Deck) To adjust tension, remove extension rod mounting bolt and nut. See Figure 4.4.

9.Move extension rod to next hole towards rear of deck and secure with mounting bolt and nut.

10.Measure extension spring with blade engagement lever in the "ON" and "OFF" positions. See Figure 4.3. Continue adjustment until tension is correct.

IMPORTANT: Blade brake function must be verified after performing blade belt adjustment.

11.Check blade brake. Refer to Section “CHECK BLADE BRAKE”. Blades must stop rotating in 5 seconds or less when turned off.

LEAST TENSION

MOST TENSION

EXTENSION

ROD

MOUNTING

NUT & BOLT

FIGURE 4.4

4.2.3. BLADE BELT ADJUSTMENT – 38” DECK

The blade belt on the 38” deck requires no tension adjustment. If the belt becomes worn or damaged it must be replaced. Refer to Section “BLADE BELT REMOVAL & REPLACEMENT”.

4.2.4.ADJUSTING MOWER BLADE – 33” DECK (33" Decks Only; no adjustment for 38")

1.Select a point on the deck and mark for reference.

2.Mark blade tips as “A” and “B”.

3.Rotate blade until blade tip “A” is at deck reference mark

4.Measure the distance between deck lip and blade tip. Note the measurement. See Figure 4.5.

(Continued on next page)

FIGURE 4.3

17

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Snapper LT145H33FBV, LT145H38FBV Blade Belt Adjustment 33 Deck, Blade Belt Adjustment 38 Deck, On next
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LT145H38FBV, LT145H33FBV, LT145H33FBV, LT145H38FBV specifications

The Snapper LT145H33FBV and LT145H38FBV are part of Snapper's renowned line of riding mowers, designed for homeowners seeking performance, efficiency, and reliability in lawn care. These models are characterized by a range of features and technologies that cater to both novice and experienced users.

One of the most prominent features of the LT145H series is its powerful engine. The LT145H33FBV is equipped with a robust 33-inch cutting deck, while the LT145H38FBV boasts a slightly larger 38-inch cutting deck, allowing users to optimize their mowing efficiency across various lawn sizes. These engines are designed with efficiency in mind, ensuring that grass is cut cleanly and evenly, while also minimizing fuel consumption.

The Snapper LT145H series utilizes a hydrostatic transmission system, which provides a smooth driving experience. This technology allows users to adjust the speed of the mower easily without the need for shifting gears, making it simpler to navigate around obstacles and tight spaces in the yard. The intuitive controls are user-friendly, ensuring that even those unfamiliar with riding mowers can operate them comfortably.

Comfort plays an essential role in the design of the LT145H series. Both models come with an ergonomic seat that provides support and reduces fatigue during extended mowing sessions. Additionally, adjustable seats allow users to customize their riding position for maximum comfort. The steering wheel is designed to be accessible and easy to maneuver, enhancing the overall user experience.

Each model also features a durable steel frame, providing stability and longevity. The cutting decks are constructed to withstand the challenges of regular use, ensuring consistent performance over time. Features such as easy-to-access maintenance points make it simpler for users to perform routine upkeep, prolonging the mower's lifespan.

Moreover, the Snapper LT145H series is equipped with a mulching capability as an option. This allows for finely chopping grass clippings, which can be left on the lawn to decompose and nourish the soil, promoting a healthier lawn. In addition, both models come with the option of attaching grass catchers for those who prefer a clean finish.

In conclusion, the Snapper LT145H33FBV and LT145H38FBV are excellent choices for anyone seeking a reliable, efficient, and comfortable riding mower. With their powerful engines, advanced technologies, and user-oriented design, these models stand out as top contenders in the lawn care market. Whether you have a small yard or a larger property, the LT145H series caters to various needs, making lawn maintenance a more enjoyable task.
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