Snapper 7800849 Engine Drive Belt Replacement Stretch Type Belts, Ansmiss Ly-V Belt Replacement

Maintenance

Engine Drive Belt Replacement (Stretch
Type Belts - Continued)									A
IMPORTANT: Drain the fuel tank before tipping the
mower. DO NOT tip the machine with the carburetor or						B
spark plug down. Oil from the crankcase will saturate
the air filter and cause the engine to be hard to start or
not start at all. If contamination does occur, the air filter							C
will have to be replaced.
3. Remove the driven disc. Refer to the Section									D
	entitled “Driven Disc Replacement” for driven disc
4.	removal procedure.					E
	Drain the fuel tank before tipping the mower. Do
	not tilt the mower with the spark plug or carbure-								F
	tor down. Tilt the mower up on its rear wheels						G
	and remove the blade and blade hub. Assistance
	from another person may be necessary to hold the
5.	mower in the tilted position.				Figure 34: Removing the drive disc
	Hold the slotted end of the drive disc bolt (B,
	40 lb-ft (54 N.m).	Reproduction
	Figure 34) with a screwdriver and remove the nut				T ansmiss		n P ly-V Belt Replacement
	(G) and internal tooth lock washer (F).
6. Remove the belt cover, located under the deck.					1. Remove		he dr ven disc. Refer to the Section enti-
7. Lift the drive disc (A) up and remove the worn belt.						tled “Replac ng Driven Disc Rubber Ring”.
8. Loop one end of the new belt over the engine pul-					2. Note he rou ing of the old belt around the three
	ley and insert the other end through the sl		in	he		p lleys before removing it.
9.	deck.		m	f	3. Place the new Poly-V Belt (A, Figure 35) over the
	Loop the belt around the pulley on the b tt					end of the hex shaft (B) and onto the drive pulley
	the drive disc.					(C).
10.Reinstall the drive disc and retaining hardware.					4. Work the belt onto the top of the idler pulley (D).
IMPORTANT: 1) The square shoulder of the drive disc					5. Twist the belt sideways and pull it upward between
						the differential bracket (E) and driven pulley (F)
bolt must fit into the square hole of the bushing. 2) The						and then down into the pulley groove. Make sure
square end of bushing must fit into the brack			slot.			the Poly-V Belt is above the belt guide (G).
11.Reinstall the belt cover and tighten the bolts
	securely.								E
12.Reinstall the blade hub and cutter blade.								A
	Recommended torque for the blade cap screw is					C

B

D

G

F

Figure 35: Poly-v belt routing

en

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