Service and Maintenance
BX52R, BX72R, BX102R
3 PH Roller-feed Chipper
58
CAUTION!
Risk of getting hands pinched or wedged
between lower rotor housing and rotor. Turn
rotor slowly and be aware of hand positioning.
W032
2.
Turn the rotor by hand so that one rotor blade edge is next
to the ledger knife.
3.
Slide the end of the ledger gauge down between the rotor
blade and the ledger knife.
00875
Fig. 77 –
Inserting Gauge
4.
Turn the rotor past the ledger knife with the gauge inserted
between them to check clearance. The gauge should be
tight. Check all four knives.
1
3
2
00877
Fig. 78 –
Checking ledger knife clearance
1. Rotor Blades
2. Gauge
3. Ledger Knife
Adjusting
5.
Loosen the securing bolts (1).
6.
Loosen the jam nuts off on the outside of the ledger knife
support (3).
7.
Turn the two adjuster nuts (3) clockwise so the ledger knife
slides firmly up against the gauge inside the rotor housing.
Move both adjusters evenly.
8.
Remove the ledger knife gauge. Tighten the jam nuts and
securing bolts.
00879
1
3
2
Fig. 79 –
Adjusting Ledger Knife
Changing Ledger Knife
The ledger knife is removed through the bottom of the chipper.
Procedure
1.
Loosen the outside jam nuts (3) and the inside adjuster
nuts (2).
2.
Remove the bolts (1) holding the ledger knife in place to
allow the blade to fall through the bottom of the chipper.
