Section 4 - Adjustments And Repair; Mower Blade Replacement; Blade Sharpening - Snapper 216015, 216515BV Operator's Manual

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.
NEW BLADE
FIGURE 4.1
4.1.1A. NINJA BLADE WEAR LIMIT
1A. Inspect blade frequently for signs of excessive
wear or damage. See Figure 4.2.
NEW BLADE
FIGURE 4.2
WEAR LIMIT
(NOTCH STARTS)
DANGEROUS CONDITION !
DO NOT USE ON MOWER !
REPLACE WITH NEW
BLADE.
WEAR LIMIT.
CRACKS OR
NOTCHES
BEGIN TO
APPEAR ON TIP
DANGEROUS !
DO NOT USE A BLADE IN
THIS CONDITION !
2. Replace the blade if it is badly chipped, bent,
noticeably out of balance or has cracks or notch in
either tip. See Figure 4.1 & 4.2. Replace with new
blade.
WARNING
DO NOT use a cutting blade that shows signs of
excessive wear or
"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: 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 4.3.
10
damage. Refer to
MAKE SURE THAT
BLADE HUB IS
SEATED
BLADE BETWEEN
HUB FLANGES
FLANGE
BLADE
CONE WASHER
(Concave Side Up)
CAPSCREW
FIGURE 4.3
Section