woodmizer LX450DB-A User manual

Debarker Option
Safety, Installation, Operation,
Maintenance & Parts Manual
LX450DB-A rev. C
Safety is our #1 concern! Read and understand
all safety information and instructions before oper-
ating, setting up or maintaining this machine.
October 2017
Form #2298
Used with all LX450 mill rev. A1.00 - A1.05

©2019
Printed in the United States of America, all rights reserved. No part of this manual may be
reproduced in any form by any photographic, electronic, mechanical or other means or used in
any information storage and retrieval system without written permission from
Wood-Mizer
8180 West 10th Street
Indianapolis, Indiana 46214
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Table of Contents Section-Page
Table of Contents LX450DB17doc072219 iii
SECTION 1 SAFETY 1-1
1.1 Installation and Maintenance..................................................................1-1
1.2 Operation and Towing............................................................................1-2
SECTION 2 DEBARKER INSTALLATION 2-1
2.1 Debarker Installation ..............................................................................2-1
2.2 Harness Installation ................................................................................2-5
2.3 Control Component Installation .............................................................2-8
SECTION 3 ALIGNMENT 3-1
SECTION 4 OPERATION AND MAINTENANCE 4-1
4.1 Locking Pin Operation ...........................................................................4-1
4.2 Control Overview ...................................................................................4-2
4.3 Operation ................................................................................................4-3
4.4 Maintenance ...........................................................................................4-5
4.5 Troubleshooting......................................................................................4-6
SECTION 5 ELECTRICAL INFORMATION 5-1
5.1 Electrical Component List......................................................................5-1
5.2 Electrical Wiring Diagram .....................................................................5-2
SECTION 6 DEBARKER PARTS 6-1
6.1 Mechanical Assembly ............................................................................6-1
6.2 Frame Assembly.....................................................................................6-2
6.3 Debarker Mount Arm Assembly ............................................................6-4
6.4 Debarker Pivot Arm Assembly ..............................................................6-6
6.5 Debarker Cutter Head Assembly............................................................6-7
6.6 Debarker Upper Pivot Assembly............................................................6-9
6.7 Control Kit............................................................................................6-11
INDEX I

Safety
Installation and Maintenance
1
1-1 DB17doc072219 Safety
SECTION 1 SAFETY
This symbol calls your attention to instructions concerning your personal safety. Be sure
to observe and follow these instructions. This symbol accompanies a signal word. The
word DANGER indicates an imminently hazardous situation which, if not avoided, will
result in death or serious injury. WARNING suggests a potentially hazardous situation
which, if not avoided, could result in death or serious injury. CAUTION refers to potentially
hazardous situations which, if not avoided, may result in minor or moderate injury to per-
sons or equipment. Read all safety instructions before operating this equipment and
observe all safety warnings!
1.1 Installation and Maintenance
DANGER! On electric mills, hazardous voltage inside the
disconnect box, starter box, and at the electric motor can
cause shock, burns, or death. Disconnect and lock out
power supply before performing debarker installation! Fol-
low all applicable electrical codes.
DANGER! Make sure all electrical installation, service
and/or maintenance work is performed by a qualified elec-
trician and is in accordance with applicable electrical codes.
Failure to do so will result in serious injury or death.
DANGER! Before performing any service to this equip-
ment, turn the key to the OFF position, remove the key, and
disconnect the sawmill battery ground terminal. Failure to
do so will result in serious injury or death.
WARNING! Before replacing the debarker blade, move the
sawmill blade guide arm in front of the sawmill blade to
cover the blade teeth. Failure to do so may result in serious
injury or death.

Safety
Operation and Towing
Safety DB17doc072219 1-2
1
1.2 Operation and Towing
DANGER! Make sure all guards and covers are in place
and secured before operating the debarker option. Failure
to do so may result in serious injury.
DANGER! Keep all persons out of the path of moving
equipment when operating the debarker. Failure to do so
will result in serious injury.
DANGER! Always remove the key from the control panel
before preparing the debarker for towing. Failure to do so
may result in serious injury.
WARNING! Debarker is ON when warning light is on. DO
NOT disconnect the warning light. Doing so may result in
serious injury.
WARNING! If the debarker continues to run with the key
switch in the OFF position, remove the negative battery ter-
minal from the battery post.
DO NOT continue to operate the mill if the main key switch
does not control debarker operation. Doing so could result
in serious injury. Call Wood-Mizer customer service for
more information.

Debarker Installation
Debarker Installation
2
2-1 DB17doc072219 Debarker Installation
SECTION 2 DEBARKER INSTALLATION
DANGER! On electric mills, hazardous voltage inside the
disconnect box, starter box, and at the electric motor can
cause shock, burns, or death. Disconnect and lock out
power supply before performing debarker installation! Fol-
low all applicable electrical codes.
DANGER! Before performing any service to this equip-
ment, turn the key to the OFF (0) position, remove the key,
and disconnect the sawmill battery ground terminal. Failure
to do so will result in serious injury or death.
CAUTION! Due to various design changes and past retro-
fits and options, you should very carefully look your mill
over to determine Debarker compatibility before beginning
Debarker installation.
2.1 Debarker Installation
DANGER! Always disengage the blade and shut off the
sawmill engine before installing the debarker. Failure to do
so will result in serious injury.
IMPORTANT! Sawmills are equipped with pre-drilled
Debarker mounting holes. Verify hole locations before
beginning Debarker installation. Proper hole location is
imperative for safe and effective Debarker operation.
1. Open the blade housing cover.

Debarker Installation
Debarker Installation
Debarker Installation DB17doc072219 2-2
2
2. Assemble the debarker to the sawmill saw head. Align the mounting block holes and the
two debarker mounting holes in the saw head. Use the provided hex head bolts, split lock
and flat washers to secure in place. Make sure the debarker is square to the saw head
before tightening.
See Figure 2-1.
FIG. 2-1
LX0042-1
Debarker Frame
Assembly
Washer, ½
Split Lock (4)
Washer, ½
Flat (4)
Bolt, 1/2-13x3
Hex Head (4)

Debarker Installation
Debarker Installation
2
2-3 DB17doc072219 Debarker Installation
3. Assemble the debarker cutting head to the mount plate on the frame.
Use the four provided bolts and split lock washers to mount the cutting head to the
debarker frame. Use the lower set of four holes in the head mounting plate. The upper set
of holes are provided in the event the cutting head needs to be adjusted further down
than the slotted motor mount holes will allow.
See Figure 2-2.
FIG. 2-2
LX0042-2
5/16-18 x 3/4"
Hex Head Bolts (4)
5/16" Lock Washers (4)
Cutting Head

Debarker Installation
Debarker Installation
Debarker Installation DB17doc072219 2-4
2
4. Install the blade guard bracket and flexible debris guard to the debarker head with two flat
washers, lock washers, and hex head bolts. Be sure the bottom of the debris guard is
even with the bottom of the debarker blade.
See Figure 2-3.
FIG. 2-3
LX0042-3
Debris
Guard
Guard
Bracket
1/4-20 x 1" Hex
head bolt (2)
1/4" Lock
washer (2)
1/4" Flat
washer (2)
Adjust bottom of debris guard
even with bottom of debarker blade

Debarker Installation
Harness Installation
2
2-5 DB17doc072219 Debarker Installation
2.2 Harness Installation
DANGER! Before performing any service to this equip-
ment, turn the key to the OFF (0) position, remove the key,
and disconnect the sawmill battery ground terminal. Failure
to do so will result in serious injury or death.
IMPORTANT! Avoid pinch and pivot points, unnecessary
wire bending and open spaces where the wire could get
caught by a log, etc. If you have any questions, call
Wood-Mizer customer service.
1. Route the harnesses through the saw head frame hole as shown. Continue routing the
long blade motor wire harness (large wires/ring terminals) inside the debarker frame
through the three holes with grommets.
See Figure 2-4.
FIG. 2-4
+
-
Blade
Motor
Wires
Warning Light
Wires
Connect In/Out
Motor Cable
To Debarker
Harness
Install Ring Terminals
To Warning Light Wires.
Install Boots Over
Light And Motor Wires
And Connect To Debarker
Blade Motor
Red/+, Black/-).
LX0042-4B

Debarker Installation
Harness Installation
Debarker Installation DB17doc072219 2-6
2
2. Cut the conduit of the in/out motor wire harness to expose the quick connect terminals.
Remove the rubber cap from the in/out motor and install the removed conduit around the
in/out motor wires. Route the wires down the side of the in/out motor to the quick con-
nects. Be sure to leave slack in the harness to avoid kinking and bending as the debarker
moves in and out. Replace the motor cap and secure the harness to the in/out motor by
connecting two wire ties together and wrapping around the motor.
3. Connect the in/out motor wire harness to the in/out motor saw head harness. Secure the
harness to the blade motor frame with wire ties.
4. Route the warning light harness on top of the blade motor pivot arm to the debarker blade
motor. Secure the warning light wires to the pivot arm with wire ties as shown above.
See Figure 2-5.
5. Remove the top nuts from each of the motor terminals.
FIG. 2-5
+
-
Install rubber
boots and ring
terminals (See detail)
Connect black wires to
(-) terminal;
red wires
to (+) terminal
LX0042-5B

Debarker Installation
Harness Installation
2
2-7 DB17doc072219 Debarker Installation
6. Route the black motor wires from the motor and warning light harnesses through one of
the provided rubber boots. Strip the end of the black warning light wire and install a 1/4”
14-16 gauge ring terminal. To install the 14-16 gauge ring terminal, fold the stripped end
of the wire over the insulation, install the ring terminal and crimp in place.
7. Connect the black motor and light wires to the negative (-) motor terminal. Replace the
terminal nut to secure the wires.
IMPORTANT! Make sure that the ring terminals do not
touch the motor body.
8. Route the red motor and light wires through one of the provided rubber boots. Strip the
end of the red warning light wire and install a 1/4” 14-16 gauge ring terminal. To install the
14-16 gauge ring terminal, fold the stripped end of the wire over the insulation, install the
ring terminal and crimp in place.
9. Connect the red motor and light wires to the positive (+) motor terminal. Replace the ter-
minal nut to secure the wires.
IMPORTANT! Make sure that the ring terminals do not
touch the motor body.
10. Slide the rubber boots over the motor terminal posts to protect the connections.
11. Replace all removed covers and guards.

Debarker Installation
Control Component Installation
Debarker Installation DB17doc072219 2-8
2
2.3 Control Component Installation
DANGER! On electric mills, hazardous voltage inside the
disconnect box, starter box, and at the electric motor can
cause shock, burns, or death. Disconnect and lock out
power! Follow all applicable electrical codes.
DANGER! Before performing any service to this equip-
ment, turn the key to the OFF (0) position, remove the key,
and disconnect the sawmill battery ground terminal. Failure
to do so will result in serious injury or death.
See SECTION 5 for the appropriate wiring diagram to aid in installation.
1. Remove the side, front and rear panels (leave wire connections) from the control box.
2. Locate the solenoid mounting studs in the control box. Place the solenoid on the mount-
ing studs and place the diode assembly ring terminal over one of the studs. Use the two
1/4-20 self-locking nuts provided to secure in place.
See Figure 2-6.
3. Remove the two small bolts and nuts and the one large bolt and nut from the back of the
control box.
FIG. 2-6
LX0043-2
Mounting Studs
Self-Locking Nuts
Debarker Solenoid

Debarker Installation
Control Component Installation
2
2-9 DB17doc072219 Debarker Installation
4. Locate the bundle of wires on the floor of the sawmill control box. Make sure the large
black #24 wire is connected to the rear ground stud. Connect the large red #23 wire to the
empty terminal on the provided 70 amp breaker. Do not overtighten this connection.
Overtightening could cause component breakage.
5. Install the 70 amp breaker and rubber boot to the large hole on the back of the control
box. Be sure the breaker terminals do not touch any other components or wires inside the
control box.
6. Install the provided 15 amp breaker to the two small holes in the back of the control box.
Use the existing screws and nuts (removed earlier) to secure in place.
See Figure 2-7.
FIG. 2-7
Mounting
Screws
15 Amp Breaker
70 Amp Breaker
Mounting Nuts
Rubber
Boot
Rear Ground Stud
24
23
LX0043-3

Debarker Installation
Control Component Installation
Debarker Installation DB17doc072219 2-10
2
7. Using the back side of the front panel for a guideline, cut out holes in the front panel lexan
decal for the debarker switches. Install the provided toggle switches, 1/16" nylon wash-
ers, and rubber boots in place as shown.
See Figure 2-8.
FIG. 2-8
LX0043-4
On/Off Switch
In/Out Switch
Rubber Boots
Nylon Washers

Debarker Installation
Control Component Installation
2
2-11 DB17doc072219 Debarker Installation
8. Connect the red #205 wire from the 15 amp breaker to the ACC post on the key switch.
9. Make sure the red #206 wire from the 15 amp breaker to the debarker in/out switch is
connected.
10. Connect the red #202 wire from the debarker solenoid to the DBKR terminal on the LED
board.
11. Make sure the red #201 wire from the small terminal on the debarker solenoid to the
debarker on/off switch is connected.
12. Connect the red #203 wire from debarker solenoid to the BAT post of the key switch.
13. Make sure the red #204 wire from the bottom debarker solenoid terminal to the 70 Amp
breaker is connected.
See Figure 2-9. Box housing removed for clarity. Only wires referred to above are shown.
FIG. 2-9
LX0043-5
206
204
203
201
202
205
Debarker
In/Out Switch
Debarker On/Off
Switch
LED Circuit Board
Key Switch
15 Amp
Circuit Breaker
70 Amp
Circuit Breaker
Debarker
Solenoid
Diode Assembly

Debarker Installation
Control Component Installation
Debarker Installation DB17doc072219 2-12
2
14. Connect the red #200 wire from the debarker on/off switch to the sawmill control:
Connect red wire #200 to the existing short red wire connected to terminal #3 of the
power feed drum switch. Use the provided #10 screw, washer and lock nut to connect the
wires. Wrap the connection with the provided piece of rubber tubing and secure with a tie
wrap.
See Figure 2-10.
FIG. 2-10
Rubber
Tubing
Screw
3H0344-2
Lock Nut
Flat Washer
Debarker wire #200
6” Wire from
Power Feed Drum
Switch Terminal

Debarker Installation
Control Component Installation
2
2-13 DB17doc072219 Debarker Installation
15. Connect the black #207 wire from the debarker in/out switch to the rear ground stud.
16. Locate the bundle of wires on the floor of the sawmill control box. Make sure the debarker
in/out switch is oriented horizontally as shown.
17. Connect the small red #21 wire to the debarker in/out switch bottom left terminal.
18. Connect the small black #22 wire to the debarker in/out switch top left terminal.
See Figure 2-11. Box housing removed for clarity. Only wires referred to above are
shown.
19. Reinstall all the panels to the control box.
FIG. 2-11
LX0043-6
21
22
207
Debarker
In/Out Switch
Debarker On/Off
Switch
Rear
Ground Stud

Debarker Installation
Debarker Installation DB17doc072219 3-1
3
SECTION 3 ALIGNMENT
DANGER! Before performing any service to this equip-
ment, turn the key to the OFF (0) position and remove the
key. Failure to do so will result in serious injury or death.
The debarker blade should be aligned to the sawmill blade to insure proper operation.
The debarker blade should be parallel with and aligned vertically with the sawmill blade.
1. Turn the key to ACC (3) and use the debarker in/out switch to move the debarker all the
way in. Turn the key to OFF (0) and remove the key. This will prevent the debarker from
being turned on while performing alignment procedures.
2. Check the squareness of the debarker with the sawmill blade. Adjust the debarker
mounts if necessary until the debarker is square with the sawmill blade.
Loosen the debarker upper/lower mounting bolts and loosen the jam nuts on the
upper/lower adjustment bolts. Turn the adjustment bolts as necessary until the debarker
is square with the sawmill blade. Retighten the jam nuts and debarker mounting bolts.
See Figure 3-1.
FIG. 3-1
LX0042-6
Loosen jam nuts
and adjust bolts
to square debarker
with sawmill blade
Loosen
mounting
bolts

Debarker Installation
3
3-2 DB17doc072219 Debarker Installation
3. Clip the blade guide alignment tool to the sawmill blade. Make sure the tool lies flat on the
blade and does not contact a tooth that could cause it to angle.
See Figure 3-2.
4. Check the height of the debarker blade against the alignment tool. The bottom edge of
the tool should align with the center of the debarker blade.
To adjust the blade up or down, loosen the four blade motor mount bolts. Loosen the jam
nut on the adjustment bolt. Turn the adjustment bolt clockwise to push the motor and
blade down. Turn the adjustment bolt counterclockwise and slide the motor up to raise
the motor and blade. Retighten the adjustment bolt jam nut and four motor mount bolts.
5. Insert the key and use the debarker in/out switch to move the debarker all the way out.
Turn the key to OFF (0) and remove the key.
6. Move the blade guide alignment tool on the sawmill blade and check the position of the
debarker blade against the tool. If the debarker blade is not centered with the tool, read-
just the debarker mounting bolts to adjust the debarker assembly parallel to the blade.
FIG. 3-2
LX0042-7
½ Debarker
blade thickness
Sawmill
blade
Alignment tool
Debarker
blade
Loosen motor
mounting bolts (4)
Loosen jam nut
Adjust bolt to move
motor and blade up or down