MAINTENANCE
Bearing housing removal
To remove the bearing housing (Figure 21), perform the following:
1.Remove the 4 screws on the belt guard.
2.Remove the belt guard.
3.Loosen (do not remove) the adjustment screw behind the mounting plate and the 4 screws on the motor base to remove the belt.
4.Remove the blade lock nut and remove the blade (if there is one present.)
5.Remove the 4 screws on the mounting plate closest to the cutting head handle to remove the bearing housing (including the attached pulley and inner flange.)
BELT
GUARD
BELT
ADJUSTMENT
SCREW
PULLEY 
BEARING
HOUSING
INNER
FLANGE
Figure 21. Bearing Housing Removal
Bearing Housing Installation
To install a new bearing housing, perform the following:
1.Make sure that the old housing has been properly removed.
2.Unpack the new bearing housing and place the flat portion
3.Secure the cutting head in a in a completely horizontal position.
4.Slide the new bearing housing with the flat portion facing upwards onto the 4 screws located below the mounting plate. Take care not to damage the inner flange. Lock the bearing housing into place by using the brackets and nuts.
5.Pull the motor towards you, place the belt on the pulleys, and tighten the motor position adjustment screw. Be sure to leave some slack on the belt.
6.Align the belt by adjusting the motor pulley after loosening the hex screw.
WARNING
Do not adjust the bearing housing pulley.
7.After aligning the belt, tighten the hex screw.
8.Replace the belt guard and lock into place using 4 screws.
