Snapper ESPV21 Manuel D’Utilisation

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.

4.1 MOWER BLADE REPLACEMENT

4.1.1. STANDARD BLADE WEAR LIMIT
1. Inspect blade frequently for signs of excessive
wear or damage. See Figure 4.1.

FIGURE 4.1

WARNING

DO NOT use a cutting blade that shows signs of

excessive wear or damage. Refer to Section

“MOWER BLADE REPLACEMENT” for proper blade

inspection and service procedures.

4.1.2. BLADE SHARPENING
1. Disconnect spark plug wire and secure end away
from plug.

IMPORTANT: Drain fuel tank before tipping mower.

DO NOT tip machine with carburetor or spark plug down.

Oil from 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 will have to be

replaced.

2. Tilt mower up on its rear wheels. Do not tilt
mower with spark plug or carburetor down.
3. Remove blade. See Figure 4.2.

FIGURE 4.2

4. Sharpen blade on a grinding wheel at an angle of
22 to 28 degrees. DO NOT sharpen blade beyond
original cutting edge. See Figure 4.3.

FIGURE 4.3

5. Check blade for balance. If necessary, correct
balance by grinding heavy end of blade.
6. Reinstall blade. See Figure 4.2. Check torque of
blade retaining cap screw. Recommended torque
should be 40 ft. lbs.

BLADE
HUB

MAKE SURE THAT
BLADE HUB IS
SEATED
BETWEEN
FLANGES

FLANGE

BLADE

CONE WASHER
(Concave Side Up)

CAPSCREW

NEW BLADE

WEAR LIMIT
(NOTCH STARTS)

DANGEROUS CONDITION !
DO NOT USE ON MOWER !
REPLACE WITH NEW
BLADE.

DO NOT SHARPEN
BEYOND ORIGINAL
CUTTING EDGE

22-28º

BLADE TIP

END VIEW OF
BLADE ASSEMBLY

ORIGINAL CUTTING EDGE