Burnishing System
18
Service Manual – PBU Propane Floor Burnisher
Replace Drive Clutch
1.
To replace the drive clutch, first remove the
drive belt. See “Replace Burnishing Disc
Assembly Drive Belt” above for the procedure
to remove the drive belt.
2. Using an impact wrench, remove the bolt that
secures the clutch. Remove clutch.
3. Apply Loctite 243 to the bolt the secures the
clutch. Position the replacement clutch. Insert
the bolt and
torque to 40 ft-lb
.
An alternate method can be used to remove the
clutch. This method requires a vicegrip or channel
locking pliers.
1. Use the vicegrip or pliers to grip the washer at
the end of the clutch.
2. Use a wrench or socket to remove the bolt that
secures the clutch. Remove clutch.
3. Apply Loctite 243 to the bolt the secures
the clutch. Position the replacement clutch.
Insert the bolt and secure the washer with the
vicegrip or pliers. Tighten the bolt. If a torque
wrench is available,
torque the bolt to 40
ft-lb.
Clutch
Bolt
Washer
Figure 12 Replace Clutch
9. Using a large wrench on the large nut of the
tensioner arm and a back-up wrench on the
mounting bolt, rotate the arm against spring
pressure until the indicator marks on the
tensioner arm align near the third index mark
on the stationary tensioner body as shown in
the photo. Tighten the mounting bolt to hold the
tensioner in place. Crank the engine over a few
times to set the belt and then recheck the belt
tension. If it is incorrect, loosen the mounting
screw and reposition the tensioner as necessary.