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.

4.1ENGINE ADJUSTMENTS & REPAIR

Refer to the engine owner’s manual for those adjustments and/or repairs that can be made by the owner.

4.2MOWER DECK & COMPONENT ADJUSTMENTS The following mower deck and component adjustments and repairs can be made by the owner. However, if there is difficulty in achieving these adjustments and repairs, it is recommended that these repairs be made by an authorized SNAPPER dealer.

WARNING

Once blade is disengaged it should come to a stop in 3 seconds or less. If the blade continues to rotate after 3 seconds the blade brake must be adjusted. DO NOT continue to operate the machine if the blade brake is not operating properly.

4.2.1. BLADE BRAKE ADJUSTMENT

The automatic Blade Brake should stop the blades within 3 seconds anytime the blades are disengaged by moving blade lever to the "OFF" position or by releasing the Blade Pedals. When the Blade Brake is properly adjusted there should be 1/16" to 1/8" clearance between the Blade Engagement Lever and the back of the Latch Plate. Check this by disengaging the Blade Lever and depressing the Blade Pedals as shown in Figure 4.2. If clearance is greater than 1/8" perform the following adjustment.

1.Remove Belt Cover. Refer to Section “BLADE BELT COVER REMOVAL”.

2.With the blade engagement lever disengaged, hold the blade pedals down and measure the distance between the front of the blade lever and the rear of the latch plate. The dimension should be 1/16” to 1/8” clearance between lever and plate. See Figure 4.2. If the dimension is incorrect go to step 3.

3.If dimension is greater than 1/8”, rotate nut clockwise to increase brake tension. If dimension is less than 1/16”, rotate nut counter-clockwise to decrease brake tension. See Figure 4.1.

4.Reinstall belt cover.

WARNING

DO NOT operate machine until blade brake is adjusted and functioning properly. If blade stop time can not be achieved with the adjustment procedure described above, take machine immediately to an authorized Snapper dealer.

ROTATE NUT CLOCKWISE TO

INCREASE BRAKE TENSION.

ROTATE NUT COUNTER-

CLOCKWISE TO DECREASE

BRAKE TENSION.

FIGURE 4.1

BLADE ENGAGEMENT LEVER

1/16” TO 1/8” DIMENSION

NOTE: BLADE PEDALS

LATCH

ARE ENGAGED

PLATE

 

FIGURE 4.2

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Snapper 301222BE, 331522KVE, 3314522BVE, 281222BE Engine Adjustments & Repair, Blade Brake Adjustment

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