Engine Adjustments & Repair

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.MOWER DRIVE BELT ADJUSTMENT (FOR 25”, 28" & 30" "M" MODELS)

1.Remove mower drive belt cover. Refer to Section “CHECK BLADE DRIVE BELT”.

2.Move blade lever up and over to the “ON” position.

3.Place deck cutting height in the 3rd position. Measure the belt spacing at idler pulley. The distance should measure 1-1/4” but no less than 1”. See Figure 4.1.

1-1/4”

	IDLER	ENGINE DRIVE
SPINDLE		PULLEY
	PULLEY	ASSEMBLY
PULLEY

4.If the distance is less than 1”, adjust belt tension.

5.Remove hairpin and flat washers from pivot stud. See Figure 4.2.

6.Pull front frame forward until distance between belt, with blade lever “ON”, measures 1-1/4”.

FLAT

WASHERS

HAIRPIN

FRAME

SPACERS

FIGURE 4.2

7.Install required number of snap-in frame spacers behind channel pivot until the 1-1/4” distance between belt is maintained. See Figure 4.3.

SNAP-IN FRAME

SPACER

P.N. 2-8395

FIGURE 4.3

8.Reinstall the required amount of flat washers removed in step “5.” and install hairpin. See Figure

4.2.Retain any remaining spacers for readjustment when a new belt is installed.

IMPORTANT: The SNAPPER "M" Series Rear Engine Rider Models are shipped with additional spacers specifically designed for the Rear Engine Rider. Should additional spacers be required, contact an authorized SNAPPER dealer.

FIGURE 4.1