31
R
Section 7
B. BLADE SHARPENING
- NOTE -
If possible, use a file to sharpen the blade. Using
a wheel grinder may burn the blade.
- NOTE -
DO NOT sharpen the blades beyond 1/3 of the
width of the blade. See Figure 7-4.
Sharpen the cutting edge at the same bevel as the
1.
original. See Figure 7-3. Sharpen only the top of the
cutting edge to maintain sharpness.
SGB033
Angle Blade Back
Do Not Cut In
X Must NOT Exceed
1/3 Blade Width
x
30
Blade Sharpening
Figure 7-4.
Check the balance of the blade. If the blades are out
2.
of balance, vibration and premature wear can occur.
See your authorized Scag dealer for blade balancing
or special tools, if you choose to balance your own
blades.
C. BLADE REPLACEMENT
WARNING
Always wear proper hand and eye protection when
working with cutter blades.
Remove the ignition key before replacing the blades.
1.
Remove the belt cover.
2.
Secure the cutter blades to prevent them from
3.
rotating, (use the optional Blade Buddy tool P/N
9212, to assist in securing the cutter blades), remove
the blade attaching bolt. Remove the cutter blade,
bolt, lockwasher and flatwasher from the spindle
shaft. See Figure 7-5.
- NOTE -
Be sure that the blade is installed with the lift wing
towards the top of the cutter deck.
Install the cutter blade on to the cutter spindle shaft.
4.
Secure the blades from rotating and torque to
75 ft/lbs. See Figure 7-5.
Install the belt cover.
5.
WASHER
HEX HEAD BOLT
CUTTER
BLADE
SPINDLE
ASSEMBLY
CUTTER BLADE
SPACERS
HEX HEAD
BOLT / NUT
CUTTER
DECK
SPINDLE
SHAFT
HEX NUT-TORQUE
TO 75 LB-FT
Blade Replacement
Figure 7-5.
TIRES
7.9
Check the tire pressures after every 8 hours of operation
or daily.
Caster Wheels
Flat-Free
Drive Wheels
12 PSI
