Snapper 216015, 216515BV Operator's Manual page 11

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. Sharpen blade on a grinding wheel at an angle of
22 to 28 degrees. DO NOT sharpen blade beyond
original cutting edge. See Figure 4.4.
DO NOT SHARPEN
BEYOND ORIGINAL
CUTTING EDGE
ORIGINAL CUTTING EDGE
FIGURE 4.4
5. Check blade for balance. If necessary, correct
balance by grinding heavy end of blade.
6. Reinstall blade. See Figure 4.3. Check torque of
blade retaining cap screw. Recommended torque
should be 30 to 40 ft. lbs.
22-28º
BLADE TIP
END VIEW OF
BLADE ASSEMBLY
11