Lassco Wizer CR-50P User manual

USER’S MANUAL
CR-50P Cornerounder
Before operating this equipment, please read these
instructions completely and keep these operating
instructions for future reference.
485 Hague Street, Rochester, NY 14606 U.S.A.
Tel: [phone] Fax: [phone]
www.lasscowizer.com [e-mail]
Serial Number:
Date of Purchase:
Dealer:
Address:
Telephone Number:
R

Table Of Contents
1 - Introduction
1.1
1.2
1 - Introduction
1.1 - Your New CR-50P
1.2 - Shipping Damage Inspection
Remove the machine from the carton and inspect for
any shipping damage. If any damage is present, report
the damage to the carrier immediately; failure to do so
may void any warranties.
Page 01
Page 01 R
Page 01
Your New CR-50P................................
Shipping Damage Inspection...............
2 - Safety
2.1
2.2
2.3
Page 02
Page 03
Page 04
Safety Instructions................................
Warning Labels.....................................
Grounding Instructions.........................
3 - Setting Up Your Machine
3.1
3.2
3.3
3.4
3.5
3.6
Page 05
Page 05
Page 06
Page 07
Page 07
Page 08
Installing the Leveling Feet..................
Electrical Start Up................................
Cutting Unit Installation (Standard &
Special Sizes).......................................
Cutting Unit Installation (Large Sizes)..
Adjusting the Side Guides....................
Adjusting the Pressure Foot.................
4 - Operation
4.1
4.2
4.3
Page 08
Page 08
Page 08
Corner Rounding Operation.................
Cutting Unit Capacities.........................
Chip Removal.......................................
5 - Maintenance
5.1
5.2
Page 09
Page 09
Safety....................................................
Annual Lubrication................................
Thank you for your purchase of the CR-50P
Cornerounder .
We ask that you take a moment to ll in the serial
number and other information on the front cover of the
manual. Please keep this manual as a reference for
future use.
For parts and service, please contact the Lassco-Wizer
Dealer from whom you purchased the machine. If you
require assistance in locating a Lassco-Wizer Dealer
please contact our customer service department at 585-
436-1934. Please have the model of your machine and
the serial number when you call.
If you wish to write to us, send correspondence to:
Lassco-Wizer
Attn: Customer Service
485 Hague Street
Rochester, NY 14606
6 - Parts Diagram
6.1
Page 09
Determining the Cause and Correction
to Certain Problems..............................
7 - Parts Diagram
7.1
7.2
Page 11
Page 12
Parts Diagram.......................................
Parts List..............................................

2 - Safety
2.1 - Safety Instructions
Page 02
All operators must read and understand the Users
Manual including all safety instructions before using this
equipment. Failure to fully understand the safety
instructions can result in personal injury. If after reading the
manual you are still uncertain about use, please
contact the dealer from whom you purchased the
machine for assistance. If you need contact information for
a Service Technician nearest you please call
585-436-1934.
SAFETY OF THIS EQUIPMENT IS THE RESPONSIBILITY
OF THE USER(S).
Please read and follow all warning labels on your machine.
Keep hands clear while operating machine.
ALWAYS USE SAFETY GLASSES. Everyday eyeglasses
only have impact resistant lenses, they are NOT safety
glasses.
KEEP GUARDS IN PLACE and in working order.
Always disconnect the power before servicing this machine.
Service should only be performed by a QUALIFIED TECH-
NICIAN.
DON’T USE IN DANGEROUS ENVIRONMENT. Don’t use
this machine in damp or wet locations, or expose it to rain.
Keep work area well lighted.
THIS MACHINE IS DESIGNED FOR ONE PERSON OP-
ERATION. Never operate the machine with more than one
person.
KEEP CHILDREN AWAY. All visitors should be kept a safe
distance from the work area.
USE RIGHT MACHINE. Don’t force tool or attachment to
do a job for which it was not designed.
MAINTAIN MACHINE WITH CARE. Keep tools sharp and
clean for best and safest performance. Follow instructions
for changing accessories.
DISCONNECT MACHINE when changing accessories,
such as cutting units.
REDUCE THE RISK OF UNINTENTIONAL STARTING.
Make sure the power switch is in the off position before
plugging in.
NEVER STAND ON MACHINE. Serious injury could occur
if the machine is tipped.
DO NOT OVERREACH. Keep proper footing and balance
at all times.
CHECK DAMAGED PARTS. Before further use of the ma-
chine, a guard or other part that is damaged should be care-
fully checked to determine that it will operate properly and
perform its intended function--check for alignment of moving
parts, binding of moving parts, breakage of parts, mount-
ing, and any other conditions that may affect its operation.
A guard or other part that is damaged should be properly
repair or replaced.
NEVER LEAVE MACHINE RUNNING UNATTENDED.
TURN POWER OFF. Don’t leave machine until it comes to
a complete stop.
DO NOT REMOVE PRESSURE FOOT ASSEMBLY
KEEP WORK AREA CLEAN. Cluttered areas and benches
invite accidents.
DON’T FORCE TOOL. It will do the job better and safer at
the rate for which it was designed.
USE PROPER EXTENSION CORD. Make sure your exten-
sion cord is in good condition. When using an extension
cord, be sure to use one heavy enough to carry the current
your product will draw. An undersized cord will cause a drop
in line voltage resulting in the loss of power and overheat-
ing. Cord Size should be 18 AWG for 0-25 feet long, 16
AWG for 50-200 feet long, and 14 AWG for 150-300 feet
long. If in doubt, use the next heavier gauge. The smaller
the gauge number, the heavier the cord.
WEAR PROPER APPAREL. Do not wear loose clothing,
gloves, neckties, rings, bracelets, or other jewelry or cloth-
ing which may get caught in moving parts. Non-slip foot-
wear is recommended. Wear protective hair covering to
contain long hair.
SECURE WORK. Use Pressure Foot Assembly to hold
work. It’s safer than using your hand.
DO NOT USE ACCESSORIES WITH THIS PRODUCT.
Use of accessories or attachments may result in a risk of
injury to persons.

AVERTISSEMENT: NE PAS EXPOSER
À LA PLUIE ET NE PAS UTILISER DANS
LES EMPLACEMENTS HUMIDES
2 - Safety
2.2 - Warning Labels
Page 03
WARNING: DO NOT EXPOSE TO RAIN
OR USE IN DAMP LOCATIONS.
English French

Page 04
In the event of a malfunction or breakdown, grounding provides a path of least resistance for electric current to re-
duce the risk of electric shock. This tool is equipped with an electric cord having an equipment-grounding conduc-
tor and a grounding plug. The plug must be plugged into a matching outlet that is properly installed and grounded
in accordance with all local codes and ordinances.
DO NOT MODIFY THE PLUG PROVIDED. If it will not t the outlet, have the proper outlet installed by a QUALI-
FIED ELECTRICIAN.
Improper connection of the equipment-grounding conductor can result in a risk of electric shock. The conductor
with insulation having an outer surface that is green with or without yellow stripes is the equipment-grounding con-
ductor. If repair or replacement of the electric cord or plug is necessary, do not connect the equipment-grounding
conductor to a live terminal. Check with a QUALIFIED ELECTRICIAN or service personnel if the grounding instruc-
tions are not completely understood, or if in doubt as to whether the tool is properly grounded. Use only 3-wire
extension cords that have 3-prong grounding plugs and 3-pole receptacles that accept the machine’s plug.
This machine is intended for use on a circuit that has an outlet that looks like the one illustrated in diagram 2-10.
The machine has a grounding plug that looks like the plug illustrated in diagram 2-10. Make sure the machine is
connected to an outlet having the same conguration as the plug. No adapter is available or should be used with
this machine. If the machine must be reconnected for use on a different type of electric circuit, the reconnection
should be made by qualied service personnel; and after reconnection, the tool should comply with all local codes
and ordinances.
2.3 - Grounding Instructions
Diagram 2-10
METAL SCREW
GROUNDING
PIN
COVER OF GROUNDED
OUTLET BOX
2 - Safety

3 - Setting Up Your Machine
Page 05
3.1 - Installing the Leveling Feet
Set the machine down in its desired location and determine if the
machine is level, making sure that it does NOT rock in any direc-
tion. If it does, determine which Leveling Feet need to be adjusted
and whether they need to be adjusted up or down.
If adjustment is needed, start by loosening the four (4) nuts which
are accessed through the rear of the machine.
Next adjust the four (4) Leveling Feet by screwing them clockwise
to raise the or counter-clockwise to lower. After each adjustment
set the machine down completely to verify that the machine no
longer rocks. Continue adjustment as needed until the machine
sits securely in place. Tighten the four (4) nuts down to secure the
position of the Leveling Feet.
3.1.1
3.1.2
3.1.3
Leveling Feet
Base of the Machine
Nut
3.2 - Electrical Start Up
3.2.1
3.2.2
3.2.3
3.2.4
Power Cord
Your CR-50P comes with an electrical cord containing the plug to
t into a standard grounded 115V outlet.
Your CR-50P also has a power switch with keyed lock-out. Make
sure that the key is removed before continuing on to step 3.2.3.
Also make sure that the key is removed while setting up the ma-
chine, while performing maintenance, and while the machine is
not being used; this will help prevent unwanted activiation of mov-
ing parts that can crush or cut.
Making sure that nothing is interfering with the cutting unit, plug
the cord set into a grounded 115V outlet. To turn the machine on,
press the Rocker Switch on the front of the machine up. To turn
the machine off press the Rocker Switch on the front of the
machine down.
To activate the machine, insert the key into the power switch and
rotate clockwise. To Turn the machine off, turn rotate the key
counter-clockwise and remove to ensure Lock-Out.
Key Power Switch

3 - Setting Up Your Machine
Page 06
3.3 - Cutting Unit Installation (Standard & Special Sizes)
3.3.1
3.3.2
3.3.3
3.3.4
3.3.5
Loosen the Top Yoke Wing Nut (50-34) on the right hand side of the Top Yoke (50-15) and swing the Top Yoke
toward you to obtain access to the Cutting Unit Cavity in the Table Ring Casting (50-14).
Making sure the Adapter Hold Down Tab (50-11) is not in the way, insert the Adapter Plate (50-26) into the Table
Ring Casting. Make sure that the Adapter Plate Rotation Tab (50-12) slips under the Table Ring Casting into its
designated groove to prevent unwanted rotation of the Adapter Plate. Turn the Adapter Hold Down Tab so that it
locks the Adapter Plate into place.
Insert the Cutting Unit into the Adapter Plate.
Swing the Top Yoke back into its original position making sure it is fully engaged in the Yoke Slide Rod (50-04).
Tighten down the Top Yoke Wing Nut to secure in place.
Depress the Foot Pedal to engage the cutting cycle making sure to check that the Cutting Unit is working
properly.
Adapter Hold Down Tab (50-11)
Top Yoke (50-15)
Pressure Foot Assembly
(50-201A)
Top Yoke Wing Nut (50-34)
Wood Ta ble (50-29)
Cutting Unit Cavity
Yoke Slide Rod (50-04)
Side Guide (50-03R
)
Side Guide (50-03L)
Standard / Special Size
Cutting Unit (Misc Part #)
Adapter Plate (50-26) Adapter Plate Roation Tab (50-12)
Table Ring Casting (50-14)

Page 07
3 - Setting Up Your Machine
3.4 - Cutting Unit Installation (Large Sizes)
3.4.1
3.4.2
3.4.3
3.4.4
3.4.5
Loosen the Top Yoke Wing Nut (50-34) on the right hand side of the Top Yoke (50-15) and swing the Top Yoke as
shown to obtain access to the Cutting Unit Cavity in the Table Ring Casting (50-14).
Make sure the Adapter Plate has been removed.
Insert the Large Size Cutting Unit into the Table Ring Casting by tilting and seating it and pushing back and down
until it is secure in place. Make sure the Rotation Tab on the Cutting Unit slips under the Table Ring Casting into
its designated groove to prevent unwanted rotation of the Cutting Unit. Turn the Adapter Hold Down Tab (50-11)
so that it locks the Cutting Unit into place.
Swing the Top Yoke back into its original position making sure it is fully engaged in the Yoke Slide Rod (50-04).
Tighten down the Top Yoke Wing Nut to secure in place.
Depress the Foot Pedal to engage the cutting cycle making sure to check that the Cutting Unit is working
properly.
Adapter Hold Down Tab (50-11)
Top Yoke (50-15)
Pressure Foot Assembly
(50-201A)
Top Yoke Wing Nut (50-34)
Wood Ta ble (50-29)
Large Cutting Unit
(Misc Part #)
Cutting Unit Cavity
Yoke Slide Rod (50-04)
Side Guide (50-03R
)
Side Guide (50-03L)
Rotation Tab
Table Ring Casting (50-14)
3.5 - Adjusting the Side Guides
3.5.1
3.5.2
3.5.3
Adjust the Side Guides so that they are square with the cutting unit you are using. We recommend using a right
angle tool (not included).
Slide the tool into the corner of the Cutting Unit making sure it is square with both edges of the Knife.
Loosen the Screws on the Side Guides and adjust as needed. Re-tighten the screws to secure the Side Guides.

3 - Setting Up Your Machine
Page 08
3.6 - Adjusting the Pressure Foot
3.6.1
3.6.2
To adjust horizontally (depending on the size of the Cutting Unit)
loosen the center Thumb Screw on the Top Yoke, adjust in or out
until the Pressure Foot clears the black guard on the Cutting Unit.
Secure by tightening the center Wing Nut down.
Adjust the Pressure Foot clamping pressure to accommodate dif-
ferent product heights. Loosen the Wing Nut on the top of the
Pressure Foot. Tighten the Hex Nut underneath to increase the
pressure Loosen the Hex Nut to decrease pressure. When the
pressure is set as desired tighten down the Wing Nut to lock the
tension in place.
Pressure Foot
Top Yoke
Thumb
Screw
E-clip
Wing Nut
Hex Nut
4 - Operation
4.1 - Corner Rounding Operation
4.1.1
4.1.2
4.1.3
4.1.4
4.1.5
4.1.6
Place the product you are cutting onto the Wooden Top Plate and push it into the corner aligning it with the Two Side
guides.
Press down rmly to prevent the product from sliding out of the corner.
Depress the Foot Pedal once to engage the cutting cycle. The Pressure Foot will come down helping to secure the
product in place. The Cutting Unit will cycle through once.
If you hold down the Foot Pedal, the Cutting Unit will cycle through at the rate of 30 strokes per minute. Rotate the
product as the Pressure Foot rises releasing its pressure on the product.
Repeat as needed
It may be necessary to adjust the Side Guides to compensate for variation in the cutting unit geometry, especially
when changing from a Standard / Special Size Cutting Unit to a Large Size Cutting Unit.
4.2 - Cutting Unit Capacities
4.2.1
4.1.2
Standard / Special Size Cutting Units:
These size Cutting Units were designed to handle up to a 1/2” stack of paper. They will also cut many other materials
such as plastics, cardboard, celluloid, leather, wood, and even light soft metals. With heavier materials, however,
best results may be obtained if only one or a few pieces are cut at a time.
Large Size Cutting Units:
These size Cutting Units were designed to handle up to a 1/8” stack of paper. They will also cut many other materi-
als such as plastics, cardboard, celluloid, leather, and wood. With heavier materials, however, best results may be
obtained if only one or a few pieces are cut at a time.
4.3 - Chip Removal
4.3.1 Place a waste bin or a disposable basket underneath the Chip Chute on the rear of the machine. This will catch the
chips as they are cut and slide down the Chip Chute. Empty as needed.
PRESSURE FOOT ASSEMBLY IS NOT REMOVEABLE

5 - Maintenance
Page 09
5.2 - Annual Lubrication
5.2.1
5.2.2
5.1 - Safety
ALWAYS DISCONNECT THE POWER BEFORE PERFORMING MAINTENANCE
ON THIS MACHINE. MAINTENANCE SHOULD ONLY BE PERFORMED BY A
QUALIFIED TECHNICIAN.
KEEP HANDS CLEAR WHILE PERFORMING MAINTENANCE ON THIS MACHINE.
MOVING PARTS CAN CRUSH AND CUT.
Lightly oil the two Yoke Slide Rods where they enter the adapter ring approximately every two weeks or as needed
depending on use.
Remove the back panel and lightly oil the connection where the Draw Bar and Cam Bar pivot every 30 days or as
needed depending on use.
6 - Troubleshooting
6.1 - Determining the Cause and Correction to Certain Problems
Problem Cause Correction
Machine won’t start Power supply insufficient Inspect and test power supply
Machine makes a squeak
during operation
This is inherent in the motor itself
and is a normal during operation
No correction is needed
Fuse has blown Replace fuse
Grinding noise from motor
when stopping or reaching
full cycle
Faulty Brake-Hub Assembly Contact a Qualified Service
Technician
Machine will not cycle or cut
material
Material is too thick or too hard Decrease the size of the stack
you are attempting to cut

6 - Troubleshooting
Page 10
Micro-Switch
Cam Block
Motor
Pull Bar
Adjustment Clevis
Bottom Yo
ke
Casting
Micro-Switch
Suppor
t
Micro-Switch
Roller
Switch Actuator
Shaft
Slide Yoke Bars
1/16” Gap
1/16” Ga
p
Micro-Switch
Roller
Switch Actuator
Shaft
6.1 - Determining the Cause and Correction to Certain Problems
Problem Cause Correction
Machine cycles continuously Foot Pedal stuck in depressed
mode
Replace foot pedal
Micro-Switch is faulty or out of
adjustment
See Micro-Switch adjustment
below
6.1.1
6.1.2
To properly adjust the Micro-Switch:
Rotate the motor until the Cam Block is at the top dead center as shown in the diagram below.
Reposition the Micro-Switch so that there is a 1/16” gap between the Micro-Switch Roller and the angle on the
Switch Actuator Shaft. There should also be a 1/16” gap between the Micro-Switch Roller and the narrow diameter
of the Switch Actuator Shaft as shown in the diagram below.

Page 11
6 - Parts Diagram
6.1 - Parts Diagram

Page 12
6 - Parts Diagram
6.2 - Parts List
50-26: Adapter Plate
50-12: Adapter Plate Rotation Tab
50-15: Top Yoke
50-201A: Pressure Foot Assembly
50-03L: Left Paper Guide (50-03R: Right Paper Guide Not Shown)
50P-80: Wood Table
50-04: Yoke Slide Rods
50P-41: Bottom Yoke
50P-22: Microswitch Actuator
50P-2000A: Microswitch Assembly
FM-42 & 50-31: Clevis & Clevis Pin
50P-3000A: Upper Chute Assembly
50P-60: Pull Bar
50P-61: Cam Block
50P-2004A: Gear Motor Assembly
50P-24: Motor Face Support
50P-25: Plastic Junction Box
50P-26: Junction Box Cover with Screws
EBM-68: Toggle Switch
Cord Set
50P-27: Foot Switch
50P-90: Back Cover
L-1001: 3 AMP Fuse