9.9.2 Sharpen a Rotor Knife
CAUTION!
Wear heavy gloves and handle the rotor knives
with care. The rotor knives are sharp.
IMPORTANT! If the rotor knife gets hot during sharpening,
stop and wait for the rotor knife to cool.
Remove the same amount of material from all the
rotor knives.
1.
Remove the rotor knife from the machine.
For instructions, see
Replace a Rotor Knife on page 57.
2.
Clean the rotor knife.
3.
Examine the rotor knife for damage. If the rotor knife is
damaged, replace all the rotor knives.
4.
Put the rotor knife in a bench vice with the cutting edge
facing up.
Make sure that the rotor knife is clamped safely in the
bench vice.
5.
Use a grinder to sharpen the cutting edge of the rotor knife.
Sharpen the cutting edge to a 45-degree angle. See
6.
Do steps 4 and 5 again for the opposite cutting edge.
7.
Do steps 1 to 5 again for the remaining rotor knives.
45°
01097
Figure 45 –
Sharpen rotor knives to a 45° angle
9.10 Ledger Knife Maintenance
WARNING!
Do not operate the machine with any of the
guards or shields removed. The machine is
shown with guards or shields removed for
illustrative purposes only.
W001
WARNING!
Do not reach into the rotor housing. The
rotor and ledger knives are very sharp. If it is
necessary to reach into the rotor housing, set the
machine to a safe condition, wear heavy gloves,
and be very cautious.
W003
9.10.1 Replace a Ledger Knife
1.
Stop the engine. Wait for the rotor to stop turning.
For instructions, see
2.
Remove the fastener that holds the upper rotor housing
closed. See
3.
Open the upper rotor housing.
4.
Remove the two ledger knife fasteners.
5.
Carefully, remove the ledger knife.
6.
Do one of the following:
• If the ledger knife has a square (90-degree) edge, install
the ledger knife with the square edge pointing toward
the rotor knife.
• If the ledger knife does not have a square edge, sharpen
or replace the ledger knife.
For instructions, see
Sharpen a Ledger Knife on page
7.
Align the ledger knife with the bolt holes in the lower rotor
housing.
8.
Install the ledger knife fasteners.
9.
Set the ledger knife clearance.
For instructions, see
Set the Ledger Knife Clearance on
10.
Use a calibrated torque wrench to torque the fasteners to
45 lbf•ft (63 N•m).
11.
Close the upper rotor housing.
12.
Install the fastener that holds the upper rotor housing
closed. See
13.
Use a calibrated torque wrench to torque the fastener to
80 lbf•ft (110 N•m).
Service and Maintenance
BXT36S
Wood Chipper
58
Summary of Contents for BXT36S
Page 32: ...02251 Figure 20 Set up the machine Operating Instructions BXT36S Wood Chipper 32...
Page 38: ...02249 Figure 26 Transport position Transport BXT36S Wood Chipper 38...
Page 42: ...02250 Figure 30 Storage position Storage BXT36S Wood Chipper 42...
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