Workhorse Lumitron LED Series Manuale utente
Owner’s Manual
Lumitron LED
3730 E. Southern Avenue, Phoenix, AZ 85040 USA
800-778-8779 Workhorseproducts.com 1
67-1580 REV L16
Table of Contents
3730 E. Southern Avenue, Phoenix, AZ 85040 USA
800-778-8779 Workhorseproducts.com 2
I. Introducon …………..…………………………...………………….…...………….………. 3
II. Specicaons …..……………..………………………...………….……...….…..…….…. 4
III. Safety Procedures …..……………..……………………….……………….…….………. 5
IV. Assembly
Step 1: Uncrang ……………………………………………………...……...…….……… 6
V. Exposing a Screen …………………………………………………….………….….………. 7
VI. Exposure Timer …………………………………………………………..……….……...… 11
VII. Parts List ………..………………………………………...……….……………………….… 12
VIII. Wiring Diagram ……………………………………………..………………………....… 15
IX. Limited Warranty ……………………………………………………………………..…… 16
Introducon
3730 E. Southern Avenue, Phoenix, AZ 85040 USA
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Congratulaons on your purchase of the Lumitron LED.
Check the crate for damages. DO NOT accept the crate if there are any damages caused by improper han-
dling during shipping. Immediately report any damages to the carrier and contact Workhorse Products at,
800-778-8779.
Be sure to inspect the crate contents IMMEDIATELTY, while the carrier is sll present. Even though our pack-
aging has been designed to handle normal shipping condions, we cannot foresee damages done by the car-
rier. We will not be responsible for damages that occur during transportaon.
If there are damages immediately nofy the driver, le a claim with the carrier and call Workhorse Products.
The Importance of the Owner’s Manual:
The purpose of the Owner’s Manual is to familiarize you with the parts and operaons of the Lumitron LED.
There are step-by-step instrucons to assemble the press, accompanied with links to videos for further assis-
tance. Also included are explanaons of the product’s key features, and addional informaon that will help
with the maintenance of your Exposure Unit.
Specicaons
3730 E. Southern Avenue, Phoenix, AZ 85040 USA
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Max Screen Size: 20” x 24”
Electric: 120V, 60Hz, 5 amps
Size: 37” x 37” x 6”
SMLUM-LED
Max Screen Size: 25” x 36”
Electric: 115V, 60Hz, 5 amps
Size: 41” x 43” x 6”
MDLUM-LED
Max Screen Size: 34” x 50”
Electric: 115V, 60Hz, 5 amps
Size: 41” x 58” x 6”
LGLUM-LED
Safety Procedures
3730 E. Southern Avenue, Phoenix, AZ 85040 USA
800-778-8779 Workhorseproducts.com 5
WARNING!
RISK OF ELECTRICAL SHOCK! Turn ALL power to unit OFF before service.
All service should be done by or under the supervision of a trained technician.
THIS ELECTRIC EXPOSURE UNIT IS INTENDED SOLELY FOR THE PURPOSE OF EXPOSING SCREENS USED FOR
PRINTING ON TEXTILE AND CUT GOODS. THIS EPOSURE UNIT IS INTENDED FOR IN-DOOR USE ONLY.
THE EXCLAMATION WITHIN AN EQUILATERAL TRIANGLE IS INTENDED TO ALERT THE USER OF IMPORTANT
SAFETY PRECAUTIONS SHOP PERSONNEL SHOULD BE AWARE OF DURING OPERATION.
To ensure safe and reliable operaon of your exposure unit, all personnel should be thoroughly trained
on the following procedures:
1. For your safety, do not store or use gasoline or other ammable vapors and liquids in the vicinity of
machine or within 3 feet (1 meter) of this or any other appliance.
2. NEVER alter the internal wiring of this machine.
3. Keep all loose arcles (including clothing, hair, jewelry, etc.) away from the vacuum motor.
4. Ensure all outlets used are suciently grounded and never plug in a frayed or damaged cord.
5. Do not use this unit if it has become wet or while standing in water.
6. Do not store objects on top of exposure unit.
7. Disconnect power prior to removing the glass or opening the control box.
Assembly
3730 E. Southern Avenue, Phoenix, AZ 85040 USA
800-778-8779 Workhorseproducts.com 6
Step 1: Uncrang
1. The picture on the right is how the Lumitron LED
is delivered. The rst step is to remove the top of
the crate.
2. Aer the top is removed, remove the front panel of
the crate. The front panel is the side opposite of the
vacuum motor.
3. With two people li the exposing unit and
place it into the desired locaon. Remove all of
the plasc wrap and foam packing. When the
blanket of the Lumitron is opened there will be a
small cord on the glass, do not throw it away.
Plug the unit into a grounded wall outlet.
Congratulaons! The Lumitron LED is now ready
to use.
Exposing a Screen
3730 E. Southern Avenue, Phoenix, AZ 85040 USA
800-778-8779 Workhorseproducts.com 7
There are many variables that inuence how a screen is to be exposed. Some of these variables are: emulsion
brand, emulsion type, coang technique, mesh count, humidity, atmospheric temperature, and even the
light source itself. The Lumitron LED works best with pure photopolymer emulsion or lm. The LED does work
with duel cure emulaons and other diazo based products, but exposure mes will be longer compared to
using pure photopolymer.
Step 1:
Properly prepare the screen to be exposed. The screen needs to be
clean, dry and properly tensioned.
Step 2:
Direct emulsion should be applied with a scoop coater, which is
available in a variety of sizes. The scoop coater should be able to t
just inside the screen and be slightly larger than the image. It’s best
to use a sharp edge scoop coater, because the sharp edge pushes a
thin deposit of emulsion making it possible for ne details to be
printed.
Working under subdued light, ll the coater’s reservoir with room
temperature direct emulsion. Put the screen in the vercal posion
with the print side facing out. Place the coater at the boom edge
and lt it slightly forward unl the emulsion touches the mesh. With
even speed slowly pull the coater towards the top of the screen.
Stop pulling the coater about two inches from the top and lt the
coater slightly backwards to let the emulsion sele into the reser-
voir. Repeat this process for the inside squeegee side.
It’s important to coat the outside print side rst because it will leave a heavier deposit emulsion on the out-
side of the screen, which is needed.
Most likely, a small amount of emulsion will escape from the reservoir during the coang process and leave
thick deposits along the edge of emulsion. Just simply remove the thick deposits by scraping o the excess.
Exposing a Screen
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Step 3:
The screen needs to be dried in a dark locaon. Dry the
screen in a horizontal posion with the outside print side
facing down. This posioning is essenal to aid the draw-
ing emulsion to create a at and smooth surface. A fan
can be used to circulate the air around the screen to de-
crease the drying me. The normal drying me for a
properly coated screen can be anywhere from 30 –60
minutes. However, areas that have moisture in the air
will take exceedingly longer.
Step 4:
There is no standard exposure me because of all of the variables
involved. Use an exposure calculator to properly determine the
correct exposure me. Most emulsion manufactures have their
own exposure calculator, but they all relavely funcon in the
same manner.
Exposure calculators are lm posives that have various degrees
of detailed lines that are covered with dierent factors. The pur-
pose is to expose the calculator onto a screen as a starng me and
each lter will have a factor number. Aer the screen is washed out,
observe which image is the hardest while containing the most detail
and mulply the factory number by the starng exposure me to get
the correct exposure me.
A Workhorse SD-10 drying cabinet will drascally speed up the drying process and eliminate the danger of
dust, which will guarantee high quality screens and increase producon speed.
For example, a screen is exposed for one minute with the calculator and the best image washed
out has a lter factor of .5 , so 1:00 x .5 = 30 seconds. To guarantee the best screens, test every screen that
has a dierent variable like: dierent mesh count, dierent emulsion brand, and dierent coang technique.
A dual cure emulsion will need a starng point of at least two minutes with an exposing calculator.
A basic diazo emulsion will need a starng point of at least ve minutes with an exposing calculator.
It’s best to test for each season change. The seasons inuence temperature, humidity and moisture that will
aect the exposing of a screen.
Exposing a Screen
3730 E. Southern Avenue, Phoenix, AZ 85040 USA
800-778-8779 Workhorseproducts.com 9
Step 5:
Release the red latch and li the hold down blanket to
expose the glass. Inspect the glass to make sure that it’s
clean. Clean glass makes a beer quality screen.
Step 6:
Aach the lm posive to the print side. The posive
should be posioned so that from the squeegee side,
the posive is read le to right. It’s very helpful to
use a preregistraon system to make sure each piece
of lm is aached to the screen in proper relaon to
the other images.
Step 7:
Lay the frame on the glass with the lm side down
and the squeegee side up. Next, lay the rope from
inside the screen across the screen edges and in
front of the vacuum hole. The rope creates an escape
route for the air inside the frame, it also keeps the
vacuum port from sealing against the glass.
Step 8:
Close the vacuum lid and latch it into place with the
red latch/seal mechanism. First, turn the power
buon on. Second, hit the vacuum switch and allow
the vacuum blanket to form a complete draw down
around the frame. Third, when starng the mer, the
rocker switch for the light needs to be turned on and
this will begin the countdown of the mer. When
starng over, turn the light rocker switch o and then
back on again. This will begin the countdown again.
Exposing a Screen
3730 E. Southern Avenue, Phoenix, AZ 85040 USA
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Step 9:
When the exposure me ends turn the vacuum
switch to the o posion. Release the latch handle
and very slowly li the lid to release the air. Opening
the lid slowly is very crical, because the screen
could potenally be pressurized to the top of the lid
and if lied too quickly it could fall and break the
glass.
Next, take the exposed screen to be washed out in a
sink.
(A)
(B)
(C)
(D)
(E) (F) (G)
(H)
(I)
(A)Leveler Legs
(B) Gas Liers
(C) Vacuum Lid Latch and Seal
(D)Controls
(E) Vacuum Switch
(F) Exposure Timer
(G) Power Switch
(H) Rope for Air Escape
(I) Vacuum Port
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