Tires - Scag Power Equipment 70001, 79999 Operator's Manual

B. Blade Sharpening
1. Sharpen the cutting edge at the same bevel as the
original. See Figure 7-9. Sharpen only the top of the
cutting edge to maintain sharpness.
Do Not Cut In
30° 30°
Figure 7-9 Blade Sharpening
2. Check the balance of the blade. If the blades are out
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
1. Remove the ignition key before replacing the blades.
2. Tilt the mower deck and secure in place using the two
prop rods.
3. Using the Blade Buddy accessory, remove the
attaching bolt, lockwasher, flatwasher and the spacer.
Remove the cutter blade and blade drive adapter from
the spindle shaft. (Figure 7-10).
4. Remove the cutter blade from the blade drive adapter
by removing the (2) two # 10-32 X 1/2" socket head
capscrews, elastic stop nuts and spacers.
Blade Adapter
Angle Blade Back
X Must NOT Exceed
1/3 Blade Width
4. To install the cutter blade, position it on the blade

7.10 TIRES

Check the tire pressures after every 8 hours of operation
or daily.
38
Attaching Hardware
Bolt, Lockwasher and
Flatwasher
Figure 7-10 Blade Replacement
drive adapter and secure using the #10-32 X 1/2"
socket head capscrews, spacers and elastic stop nuts.
Install the cutter blade and blade drive adapter
assembly to the spindle shaft using the flatwasher,
lockwasher, spacer and bolt. Tighten the bolt to a
torque of 150 ft-lb.
Caster Wheels ......................................... 25 PSI
Rear Wheel ............................................. 25 PSI
Drive Wheels .......................................... 15 PSI
Section 7
Blade Adapter
Attaching Hardware
Bolt, Lockwasher and
Flatwasher