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

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Snapper LT150H331BV, LT150H38IBV, WLT150H38IBV, WLT170H38IBV Blade Belt Adjustment 33 Deck, Blade Belt Adjustment 38 Deck

LT150H33IBV, LT150H38IBV, WLT150H38IBV, WLT170H38IBV, LT150H331BV, LT150H38IBV, WLT150H38IBV, WLT170H38IBV specifications

The Snapper LT150H331BV, LT150H38IBV, WLT150H38IBV, WLT170H38IBV, LT150H33IBV, and WLT170H38IBV are part of Snapper's robust lineup of lawn tractors designed for residential and commercial landscaping needs. These models are engineered for efficiency, durability, and comfort, making them perfect for tackling various mowing tasks.

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