Briggs & Stratton FB13250BS - Manual (Page 14)

13
Regular Maintenance
SERVICING THE MOWER BLADES
Service Interval: Every 100 Hours or As Required
1. Raise the front end of the brush mower and securely
support in the raised position.
2. Blades should be sharp and free of nicks and dents.
If worn or damaged, replace the blades as described
in following steps.
3. To remove the blade, use a wood block to hold blade
while removing the blade mounting capscrew (Figure
14). Note: Hex head bolt shown. Your mower may be
equiped with a socket head capscrew.
4. Remove and set aside the cutting blade reinforce-
ment channel.
5. Install the new blade into the reinforcement channel
with the lift tabs pointing up toward deck (Figure 15).
Secure with the capscrew and lockwasher. Use a
wooden block to prevent blade rotation and torque
capscrew (C, Figure 15) to 233 ft. lbs. (315 N.m.).
Figure 15 - Installing The Blade
A. 4x4 Wood Block
B. Lockwasher
C. Capscrew
A
B
C
Figure 14 - Removing the Blade
LOOSEN
WARNING
For your personal safety, do not handle the sharp
mower blades with bare hands. Careless or
improper handling of blades may result in serious
injury.
WARNING
For your personal safety the blade mounting
capscrew must be installed with a lockwasher,
then securely tightened. Torque blade mounting
capscrew to 233 ft. lbs. (315 N.m.)