TIL NUMBER:
01-114
DATE:
FEBRUARY 5, 2001
SUBJECT
ULTRAFRYER ULTRASTAT21 COMPUTER POLY-BAG PROTECTIVE COVERING
I PURPOSE:
Some Ultrafryer Ultrastat21 Computers have been disabled because moisture has been introduced
into the computers electronics. Investigations of these incidents by the computer manufacturer
revealed that any moisture getting into the circuitry of the computer has the potential of damaging and
disabling the computer and is not covered under any warranty provisions. Consequently a POLY-BAG
PROTECTIVE COVERING, developed by Ultrafryer Systems, is now placed on Ultrastat21 Computers
installed in all NEW Electric and Gas Fryers. This Technical Information Letter (TIL) provides a description
of the NEW protective bag that covers the computer to prohibit moisture from entering the delicate computer
electronics. It also provides procedures to remove the computer from the door, proper bagging procedure and
reinstallation of the computer to the fryer door. It is suggested that all Ultrastat21 Computers installed in existing
Ultrafryer Systems Fryers be tted with the Poly-Bag Protective Covering as soon as possible. Sufcient
quantities of the Poly-Bag Protective Covering Kits, PN 26A002, can be ordered through the Customer Ser vice Department by calling 1-800-525-8130.
II PRECAUTIONS:
A. To preclude moisture damage to an Ultrastat21 Computer that is not covered by a warranty, suggest ALL
Ultrastat21 Computers presently in use be tted with a Poly-Bag Protective Covering as soon as possible.
B. Recommend installation of a Poly-Bag Protective Covering of an Ultrastat21 Computer according to this
Technical Information Letter be accomplished by authorized Service Agents or a technician qualied to
service Ultrafryer Systems Electric and Gas Fryers.
C. Poly-Bag Protective Covering Kits are now available through the Customer Service Department by calling
1-800-525-8130 under PN 26A002.
III PROCEDURES:
A. COMPUTER REMOVAL - The Ultrastat21 Computer should be removed from the fryer door
as described below:
1. Ensure the Toggle ON/OFF Switch on the fryer is in the Off position.
2. Open the fryer door and disconnect the 15 Pin Male Plug from the Female Socket on the back
of the computer.
PN 30A040
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3. With a knife edge work around the perimeter of the computer back to remove the silicon
sealing around the computer’s metal housing against the fryer door.
4. Shut the fryer door and CAREFULLY work the knife edge around the “oval” opening
between the door and the faceplate of the computer. BE CAREFUL NOT TO DAMAGE
THE MENU STRIP OVERLAY, as it will be reused.
5. Open the Fryer door again and remove both speed nuts securing the computer to the door.
The computer should be free of the door and easily lifted off the weld studs secured to the
fryer door.
B. BAGGING OPERATION
The Poly-Bag Protective Covering Kit PN 26A002
consists of a poly-tube envelope with a CAUTION
label, two (2) 10-24 s/s hex nuts, two (2) #10 rubber
washers, two (2) #10 s/s washers as shown to the
right. Also included is a copy of these instructions
as shown below.
Correctly bag the computer as follows:
1. Carefully remove the Menu Strip Overlay from the
front of computer being careful not to tear the Overlay
in this process. NOTE: IT IS TO BE REUSED.
2. Insert the computer into the Poly-Bag as shown
in the picture to the right. Note: Computer is
face down inserted into bag opening with the
15 Pin Female Socket oriented DOWN and the
3 Pin Female Socket oriented UP.
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3. ENSURE the computer inside the Poly-Bag
is fully inserted to the sealed edge. Press the
bag down over the 15 Pin Socket, and with a
knife, cut a vertical slit down the length of the
socket.
4. Check the length of the slit by spreading the Poly vinyl over the 15 Pin Socket.
5 Grasping the Poly-Bag at the OPEN END fold it
DOWN 3/4” and fold down a second fold of 3/4”
and securely hold the folds.
6. While holding down the folded poly-vinyl, insert
a screwdriver, punch, or knife point thru the
folded plastic and the mounting hole until it
protrudes through the bag on the opposite
side. Repeat this step to punch a hole in the
other mounting hole.
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7. Turn the computer over with the fold to the left.
Align the holes in the Menu Strip Overlay with
the mounting holes in the computer and secure
the overlay onto the poly-vinyl. Ensure the
Overlay is not upside down to the computer.
A properly aligned Overlay and Bagged
Computer should look like the photo to the
right.
C. COMPUTER INSTALLATION
C. COMPUTER INSTALLATION
1. Mount the computer onto the door by insert ing it onto the weld studs as shown in the
photo on the left.
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2. Place the #10 rubber washers, #10 metal washers and
10-24 hex nuts over the weld studs and CAREFULLY
tighten with a nut driver to secure the bagged computer.
DO NOT OVER-TORQUE THESE NUTS. It is
possible to break the weld studs off the door.
3. Dress the slit poly-vinyl around the 15 Pin Female
Socket and plug the 15 Pin Male Plug from the
fryer into the Female Socket.
4. Close the fryer door, turn the fryer ON and test operate the computer.
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5. Seal around the computer opening on the
door front with a small bead of silicon and
wipe off the excess with a damp cloth or
nger.
NOTE: QUESTIONS TO THE CONTENTS OF THIS PUBLICATION SHOULD BE
REFERRED TO THE CUSTOMER SERVICE DEPARTMENT AT 1-800-525-8130.
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