. USA
120V
3
™
Scotch-Weld
100V. JAPAN
120V. USA REFURB
220/240V. AU/EU/UK
Polyurethane Reactive (PUR) Easy 250
Adhesive Preheater
User’s Manual
Use only with 3M™Scotch-Weld™Polyurethane Reactive
(PUR) Easy 250 Adhesives
Please read all instructions before using.
Table of Contents
Important Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
3M™ Scotch-Weld™ Polyurethane Reactive or (PUR) Easy 250 Adhesive . . . . 1
Adhesive Preheater Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Grounding Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Instructions for Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Warranty/Important Notice/Limitation of Remedies/Limitation of Liability . . . . . . . . 7
he 3M™ Scotch-Weld™ Polyurethane Reactive (PUR) Easy 250 Adhesive
T
Preheater has been designed to warm 3M™ Scotch-Weld™ Polyurethane
Reactive (PUR) Adhesive Cartridges prior to use in the 3M™ Scotch-Weld™
Polyurethane Reactive (PUR) Adhesive Applicator. The cartridges should be
heated a minimum of 45 minutes prior to use in the applicator. This is particularly
important in high volume usage areas where it is not convenient to allow the
cartridge to warm 45 minutes in the applicator before use. Simply remove
preheated cartridges and load into the applicator as described in the
Weld™ Polyurethane Reactive (PUR) Adhesive Applicator User’s Manual,
begin use.
3M™ Scotch-
and
This user’s manual includes information on important safety instructions,
grounding instructions, operating instructions, troubleshooting, and service
procedures. Read the user’s manual and become familiar with its contents before
using the preheater.
i
3M™ Scotch-Weld™ Polyurethane Reactive (PUR) Easy 250 Adhesive Preheater User’s Manual
©3M 2007 January
Important Safety Instructions
SAVE THESE INSTRUCTIONS
Read all instructions before using this product.
3M™Scotch-Weld™Polyurethane
Reactive (PUR) Easy 250 Adhesive
3M
(PUR) Easy 250 Adhesive Preheater Operation
™
Scotch-Weld™Polyurethane Reactive
IMPORTANT: For additional health and safety
information, see product label and Material Safety
Data Sheet for Scotch-Weld™ Adhesive used.
WARNING
!
Use only with 3M™ Scotch-Weld™ Polyurethane
Reactive (PUR) Easy 250 Adhesive Cartridges.
Use with any other materials
dous conditions.
hazar
WARNING
!
™ Scotch-Weld™ Polyurethane Reactive
3M
(PUR) Adhesive Cartridges should be preheated or
used in 3M™ Scotch-Weld™ Polyurethane
Reactive (PUR) Preheater or 3M™ Scotch-Weld™
Polyurethane Reactive (PUR) Adhesive Applicator
only. Do not preheat 3M Scotch-Weld
Polyurethane Reactive (PUR) Easy 250 Adhesive
Cartridges in ovens or other heating devices or use
in other applicators.
conditions.
Do not heat or expose 3M™ Scotch-Weld™
Polyurethane Reactive (PUR) Adhesive to
temperatures or surfaces above 275°F (135°C).
Vapors of heated material may be irritating to
eyes and respiratory tract and may cause
asthma-like symptoms in persons previously
sensitized to isocyanates.
May cause hazardous
WARNING
!
may cause
WARNING
!
To reduce the risk of electrical shock or injury while
operating or servicing the 3M™ Scotch-Weld™
Polyurethane Reactive (PUR) Easy 250 Adhesive
Preheater, observe the following safety rules:
1. Operate and service the applicator only as
described in this manual.
2. Connect the applicator only to a properly
rounded outlet.
g
3. Do not unplug the applicator by pulling on the
d. Grasp the plug, not the cord, to unplug.
cor
4. Do not handle the plug or applicator with wet
hands.
5. Do not use the applicator outdoors or on wet
surfaces.
6. Do not use the applicator with damaged cord or
plug.
7. Do not use the applicator if it is not working
properly or has been dropped, damaged,
submerged in water, or left outdoors.
WARNING
!
Use only 3-prong grounded plug and properly
grounded outlet. Failure to use properly grounded
plug and outlet
IMPORTANT:
connections, get help from a qualified electrician
vice person.
or ser
may cause electrical shock.
If you are not sure of proper
Do not c
ol
P
flame, or solvent.
or f
v
A
©3M 2007 January
lean or remove 3M™ Scotch-Weld™
ethane Reacti
yur
ire.
oid Contact with f
WARNING
!
e (PUR)Adhesive with heat,
v
May cause hazardous vapor
WARNING
!
ble materials
lamma
3M™ Scotc
h-W
eld
™ P
yur
ol
ethane Reacti
WARNING
!
Do not use an una
the applicator. Use an extension cord which
complies with NEC requirements and state and
local codes and other r
IMPORTANT: Use of an improper extension
cord may cause electrical shock.
oid contact with top surf
v
A
hambers of preheater during use and hot adhesive
c
es and adhesi
idg
tr
car
IMPORTANT:
safety glasses when using.
ve (PUR) Easy 250 Adhesive Preheater User’s Manual
pproved extension cord with
equirements.
Caution
!
ace and metal hea
e.
v
Wear heat resistant gloves and
y cause b
Ma
ur
ns.
ting
1
Grounding Instructions
Grounding Pin
Grounded
Outlet
Grounded
Outlet Box
220/240 Volt Model
WARNING
!
Do not modify the plug
provided with the preheater
or use with an adapter or
ungrounded outlet. Improper
grounding connection of the
applicator
shock.
IMPORTANT:
not fit the outlet, have a
qualified electrician or service
person install the proper outlet.
IMPORTANT: For disposal of
adhesive or adhesive
components, Please read and
follow information found on
the selected 3M™ ScotchWeld™ Polyurethane Reactive
(PUR) Easy 250 Adhesive
MSDS.
may cause electric
If the plug will
The 3M™ Scotch-Weld™ Polyurethane Reactive (PUR) Easy 250
Adhesive Preheater must be grounded. If the preheater should
malfunction or breakdown, grounding provides a path of least resistance
for electric current to help reduce the risk of electric shock. This preheater
is equipped with a cord having an equipment-grounding conductor and
grounding plug. The plug must be used with an appropriate outlet that is
properly installed and grounded in accordance with all state and local
codes and requirements.
120 Volt Model
The 3M™ Scotch-Weld™ PUR Easy 250 Adhesive Preheater is
intended for use with properly grounded outlets only. Make sure the
preheater is connected to an outlet having the same configurations as
the plug.
Do not use an adapter.
2
3M™ Scotch-Weld™ Polyurethane Reactive (PUR) Easy 250 Adhesive Preheater User’s Manual
©3M 2007 January
Instructions for Use
1. Remove the 3M™ Scotch-Weld™ Polyurethane Reactive (PUR) Easy
250 Adhesive Preheater from its shipping container and inspect for
obvious damage. If damaged, do not use and immediately contact your
local 3M representative.
WARNING
!
Do not use an unapproved
extension cord with the
preheater. Use of an improper
extension cord
electrical shock.
extension cord which complies
with NEC requirements and
state and local codes and other
requirements.
Avoid contact with top surface
and metal heating chambers of
preheater during use and hot
adhesive cartridges and
adhesive.
IMPORTANT:
resistant gloves and safety
glasses when using.
may cause
Use an
Caution
!
May cause burns.
Wear heat
2. Insert the power cord into the receptacle on the back, lower side of the
preheater. Make sure the ground pin on the preheater is aligned with
the ground receptacle on the cord.
3. Plug the preheater into a grounded 120 VAC receptacle.
4. a. Depress upper portion of ON-OFF switch for high temperature
heating of 3M™ Scotch-Weld™ Polyurethane Reactive and 3M™
Scotch-Weld™ Polyurethane Reactive (PUR) Easy 250 adhesives.
WARNING
!
Use only 3M™ Scotch-Weld™
yurethane Reactive (PUR)
ol
P
idges.
tr
e Car
Easy 250
Use with any other material
cause hazar
©3M 2007 January
Adhesi
v
dous conditions.
3M™ Scotc
may
4. b. Depress lower portion of ON-OFF switch for low temperature
heating of 3M™ Scotch-Weld™ Polyurethane Reactive (PUR) Easy
adhesi
v
es.
h-W
eld
™ P
ethane Reacti
yur
ol
ve (PUR) Easy 250 Adhesive Preheater User’s Manual
3
Instructions for Use (continued)
A
B
WARNING
!
Use only 3M™ Scotch-Weld™
Polyurethane Reactive (PUR)
Easy 250 Adhesive. Use with
any other material
hazardous conditions.
!
Avoid contact with top surface
and metal heating chambers of
preheater during use and hot
adhesive cartridges and
adhesive.
IMPORTANT:
resistant gloves and safety
glasses when using.
May cause burns.
may cause
Caution
Wear heat
5. Select adhesive cartridge and place on a
bench or flat work surface with the threaded
nozzle pointing upward.
6. Place a punch or similar tool into the nozzle
portion of the cartridge as shown. Tap the
punch handle with a hammer, mallet or
similar object until the aluminum seal has
been pierced.
WARNING
!
3M™ Scotch-Weld™
Polyurethane Reactive (PUR)
Easy 250 Adhesive Cartridges
should be preheated or used in
h-Weld™
Scotc
™
3M
Polyurethane Reactive (PUR)
Easy 250 Adhesive Preheater or
3M™ Scotch-Weld™
Polyurethane Reactive (PUR)
Easy 250 Adhesive Applicator
only. Do not preheat 3M
Scotch-Weld Polyurethane
Reactive (PUR) Easy 250
Adhesive Cartridges in ovens or
other heating devices or use in
other applicators.
hazardous conditions.
IMPORTANT:
disposable nozzle is tight and
flush with cartridge will reduce
adhesive build-up in the
applicator.
May cause
Assuring
7. Select and attach a disposable nozzle (A) provided with the 3M™
Scotch-Weld™ Polyurethane Reactive (PUR) Easy 250 Adhesive onto
the cartridge by turning clockwise until the nozzle base is tight or flush
with the cartridge using supplied plastic wrench (B) to aid tightening.
4
3M™ Scotch-Weld™ Polyurethane Reactive (PUR) Easy 250 Adhesive Preheater User’s Manual
©3M 2007 January
Instructions for Use (continued)
WARNING
!
Do not use an unapproved
extension cord with the
preheater. Use of an improper
extension cord
electrical shock.
extension cord which complies
with NEC requirements and
state and local codes and other
requirements.
Avoid contact with top surface
and metal heating chambers of
preheater during use and hot
adhesive cartridges and
adhesive.
IMPORTANT:
resistant gloves and safety
glasses when using.
!
may cause
Use an
Caution
!
May cause burns.
Wear heat
WARNING
8. Insert 3M™ Scotch-Weld™ Polyurethane Reactive (PUR) Easy 250
Adhesive Cartridges with disposable nozzle attached end first, into
preheater heat chambers.
Note
Always heat cartridges for 45 minutes prior to use. Adhesive
warmed less than 45 minutes in the preheater may not
extrude properly from the 3M™ Scotch-Weld™
Polyurethane Reactive (PUR) Adhesive Applicator and may
not exhibit optimum bonding properties.
Use only 3M™ Scotch-Weld™
Polyurethane Reactive (PUR)
Easy 250 Adhesive Cartridges.
Use with any other material
cause hazardous conditions.
may
Important
Adhesive will resist flowing through applicator if total
heat history of adhesive cartridge at application
temperature
upper temper
exceeds 16 hours when used at the
ature setting and 40 hours when
used at the lower temperature setting (total time
in preheater and in applicator). Discard any
ve cartridge that has been heated longer than 16
adhesi
hours and replace with a new, heated cartridge.
h-Weld™ Polyurethane Reactive (PUR) Easy 250
Scotc
See the 3M
Adhesive Applicator’s User Manual
instructions.
9. When finished using the preheater, push the on-off switch to the “off”
position.
™
for adhesive loading and operating
©3M 2007 January
3M™ Scotc
h-W
eld
™ P
ethane Reacti
yur
ol
ve (PUR) Easy 250 Adhesive Preheater User’s Manual
5
Troubleshooting
WARNING
!
Disconnect electrical power
and make sure preheater has
cooled to room temperature
before servicing. Failure to
disconnect electrical power or
failure to allow preheater to
cool before servicing
cause electrical shock or
burns.
before servicing.
Read user’s manual
may
Important
Service on this preheater should only be performed
by a qualified electrician or service person.
1. Unplug unit from electrical service.
2. Check outlet. If no power, contact qualified electrician or service
person. If outlet has power, plug the preheater into electrical service
and proceed to next step.
3. Check to make certain the power cord is properly connected in the
rear of the preheater.
4. a. If preheater fails to heat when ON-OFF switch is depressed in the
upper position
replacement part #62-9865-9938-9.
4. b. If preheater fails to heat when ON-OFF switch is depressed in the
wn position,
do
replacements part #62-9845-9990-2.
, replace the “High Temperature Thermostat/TCO” with
replace the “Low Temperature Thermostat/TCO” with
6
3M™ Scotch-Weld™ Polyurethane Reactive (PUR) Easy 250 Adhesive Preheater User’s Manual
©3M 2007 January
Warranty/Important Notice/Limitation of Remedies/Limitation of Liability
During Warranty Period
After Warranty Period
Important Notice
Warranty
Contact your nearest 3M representative or authorized 3M™ Scotch-Weld™
Polyurethane Reactive (PUR) Easy 250 Adhesive distributor.
The 3M™ Scotch-Weld™ Polyurethane Reactive (PUR) Easy 250 Adhesive
Preheater has been engineered to be durable and reliable.
Should your 3M™ Scotch-Weld™ (PUR) Easy 250 Adhesive Preheater require
repair, you can contact your local 3M representative about a refurbish program.
User is responsible for determining whether the 3M™ Scotch-Weld™ Polyurethane
Reactive (PUR) Easy 250 Adhesive Preheater is fit for a particular purpose and
suitable for user’s method of application.
3M warrants for 12 months from the date of purchase or use, whichever occurs
first, that the 3M™ Scotch-Weld™ Polyurethane Reactive (PUR) Easy 250
Adhesive Preheater will be free from defects in material and manufacture. 3M
MAKES NO OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING,
BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR
ANY IMPLIED WARRANTY ARISING OUT OF A COURSE OF DEALING,
CUSTOM, OR USAGE OF TRADE. This warranty does not cover routine
maintenance, normal wear and tear, or damage resulting from accident, misuse,
alteration, corrosion, lack of reasonable care, service performed by an
unauthorized repair service, use of unauthorized replacement parts or
accessories, or installation, use, operation, or maintenance not in accordance with
3M recommended procedures, or use of adhesive cartridges not manufactured by
3M or not subject to 3M quality standards.
Limita
tion of Remedies
Limitation of Liability
©3M 2007 January
3M™ Scotc
If the 3M™ Scotch-Weld™ Polyurethane Reactive (PUR) Easy 250 Adhesive
en to be def
v
ter is pr
ehea
Pr
EXCLUSIVE REMED
o
Y, AT 3M’S OPTION, SHALL BE TO REFUND THE
PURCHASE PRICE OF OR
vided tha
o
pr
PREHEA
immedia
made a
TER,
tely to 3M or an authorized service representative designated by 3M, or
le at user’s premises in a location suitable for servicing.
b
aila
v
e within the w
v
ecti
O REP
T
t the def
AIR OR REPLA
v
ecti
arranty period stated above, THE
THE DEFECTIVE 3M
CE
eheater is, at 3M’s choice, returned
e pr
3M shall not otherwise be liable for loss or damages, whether direct, indirect,
special, incidental, or consequential, regardless of the legal or equitable theory
, including contract, negligence, warranty, or strict liability.
ted
asser
h-W
eld
™ P
ethane Reacti
yur
ol
ve (PUR) Easy 250 Adhesive Preheater User’s Manual
7
3
Industrial Business
Industrial Adhesives and Tapes Division
3M Center, Building 21-1W-10, 900 Bush Avenue
St. Paul, MN 55144-1000
800-362-3550 * 877-369-2923 (f
www.3M.com/
ax)
Recycled Paper
40% pre-consumer
10% post-consumer
Printed in U.S.A.
©3M 2007 38-9019-4163-3
3M and Scotch-Weld are trademarks of
3M Company
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