Snapper WP216512BV, P216012, P216512BV Drive Idler Pulley Differential Bracket

Section 4 - REPAIR & ADJUSTMENTS

WARNING

DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT. Avoid serious burns, allow sufficient time for all components to cool.

4.4.1.Engine Drive Belt Replacement (Continued from Previous Page)

5.Hold the slotted end of the drive disc bolt with a screwdriver and remove the nut and internal tooth lock washer. See Figure 4.17.

DRIVE

DISC

SLOT IN END

OF DRIVE	POSITION SCRAPER
	TO CLEAR “V” OF
DISC BOLT
	PULLEY
BUSHING

	IDLER
	ARM
		SPACER
	IDLER
		INTERNAL TOOTH
	SPRING
		LOCKWASHER
DECK BRACKET
(PARTIALLY		NUT
SHOWN)

IDLER

SPRING

RIGHT WHEEL BRACKET

PULL SPRING THROUGH

LARGE HOLE & HOOK

INTO SMALL HOLE

FIGURE 4.18

4.4.2.Transmission Poly-V Belt Replacement 1. Remove the driven disc. Refer to Section on “Replacing Driven Disc Rubber Ring” for procedure. 2. Note the routing of the old belt around the three pulleys before removing it. See Figure 4.19.

3. Place new Poly-V Belt over end of hex shaft and onto drive pulley.

4. Work belt onto top of idler pulley.

5. Twist belt sideways and pull it upward between the differential bracket and driven pulley and then down into the pulley groove. Make sure the Poly-V Belt is above belt guide. See Figure 4.19.

FIGURE 4.17

DRIVE

IDLER

PULLEY DIFFERENTIAL BRACKET

6.Lift the drive disc off the idler arm and remove worn belt.

7.Loop one end of new belt over engine pulley and insert the other end through slot in deck. See Figure

8.Loop the belt around the pulley on the bottom of the drive disc.

9.Reinstall drive disc and retaining hardware.

10.Reinstall blade hub and cutter blade. Recom- mended torque for blade cap screw is 30 to 40 ft. lbs.

11.Use a stiff wire, such as a coat hanger, with a hook fashioned on one end to pull the hooked end of the idler spring through the large hole in the right wheel bracket. See Figure 4.18.

12.Reinstall the driven disc assembly.

PULLEYPOLY-V

BELT

HEX SHAFT

BELT GUIDE	DRIVEN
	PULLEY

ROUTING OF POLY-V BELT

FIGURE 4.19

17