Snapper ECLP21 551HV Repair & Adjustments, Drive Belt Retaining Screw, Drive Belt Cover

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. Wear heavy leather gloves when handling or working around cutting blades. Blades are extremely sharp and can cause severe injury.

4.3BELT SERVICE

On self-propelled mowers, the engine belt transmits power from engine pulley to transmission pulley. Should this belt become worn, it could cause slippage which would impair mower performance. The condition of the engine belt should be checked after every 25 hours of mower operation.

4.3.1. Engine Drive Belt Replacement

1.Follow WARNING statement found on this page.

2.Remove the retaining screws that secure the belt cover. Remove the belt cover. See Figure 4.6.

3.Disconnect belt from transmission pulley.

4.Tilt mower up on its rear wheels. Do not tilt mower with spark plug or carburetor down.

5.Remove the retaining bolt that secures the blade. Remove blade. See Figures 4.7.

6.Remove the belt from around engine pulley.

7.Install the new belt from around engine pulley. Insert belt through opening in deck.

8.Secure the blade with retaining bolt. Tighten bolt to 30 to 40 ft. lbs.

9.Install new belt over transmission pulley. Install belt cover and secure with retaining bolts. Tighten securely.

DRIVE BELT

RETAINING

SCREW

TILT MOWER UP ON ITS BACK WHEELS!

BELT

REMOVE BLADE

MOUNTING

SCREW

FIGURE 4.7

DRIVE BELT

COVER

FIGURE 4.6

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