PLEASE FOLLOW THESE INSTRUCTIONS FOR REPLACING ELEMENT
WIRES, PTFE COVERS AND INSULATOR STRIPS
1. UNPLUG UNIT
2. UNSCREW CHROME SIDE PLATES FROM SIDE OF MACHINE AND
REMOVE CLOTH PTFE COVER.
THIS WILL EXPOSE THE ELEMENT WIRE
3. THE ELEMENT WIRE IS SECURED BY A RETAINING POST AT ONE
END AND A SCREW AND WASHER AT
THE OTHER END. REMOVE SCREW AND WASHER TO REMOVE WIRE.
4. INSULATOR PTFE COVER STRIP IS BELOW WIRE.
REMOVE THIS STRIP AND ATTACH NEW ADHESIVE STRIP
MAKE SURE YOU COVER ALL EXPOSED METAL.
5. REATTACH NEW ELEMENT WIRE BY CONNECTING POST SIDE
FIRST AND THEN THE SCREW AND WASHER.
6. PLACE NEW WIDE COVER OVER THE WIRE AND RE-ATTACH SIDE
PLATES MAKING SURE THE PTFE Cover IS SECURED UNDER THE
PLATES. TIGHTEN THE SCREW.
Troubleshooting – Impulse Sealers
We created this troubleshooting guide to help with our most
frequently asked questions regarding sealers.
Impulse sealers (hand, foot, automatic) work in a similar manner –
often, if you are having a problem with your sealer, the solution can
be found in the following parts: heating element, PTFE adhesive,
PTFE cover, microswitch, mounting spring, and/or timer. Let us
know if you have a problem that isn’t listed in this guide and we can
try and assist you.
1.Check element and PTFE cover and adhesive. ■Element: This is
the wire (flat or round) that heats up to seal or cut the bag/film.
Remove the PTFE cover and check that the wire is not discolored,
bent, or broken.
■PTFE Adhesive: This is the 1/2″ piece with an adhesive backing
UNDER the heating element. It should extend past the seal area
1/2″ on either side because it is the barrier between the metal
machine and the metal heating element. For the PTFE adhesive, you
must replace the bottom sealing strip whenever you change the
element. The adhesive serves as a barrier between the heating
element and the sealer’s body. When the sealer’s heating element
has burned through the bottom adhesive and arc’ed on the sealer’s
body, the element will break as well as destroy the timer.
■PTFE Cover: The PTFE cover that goes over the heating element
must be whole to prevent the plastic bags or film from sticking to
the element. For the teflon cover, we recommend changing the
cover BEFORE it burns through. As the cover wears, you will see a
discoloration where it comes into contact with the element, you may
also notice that your element is sticking to the thermoplastic
material you are sealing. You can maneuver the cover back and
forth to allow the element to come into contact with the unused
portions of the PTFE cover. If you are sealing/cutting a thicker
plastic material (higher amount of heat) you may go through a lot of
2.Listen for “click” from microswitch when pushing bar down. This
click should occur right before the upper bar comes into contact
with the lower. If there is no click try the following: ■Hand Sealer:
Slightly bend metal switch lever so that when arm of sealer is
brought down, the lever makes contact with microswitch and a click
can be heard.
■Foot Sealer: Small bolt for limit switch must be tightened as
needed to make contact with the microswitch.
■Auto Sealers: A 3.5″ screw that is mounted on upper jaw must be
loosened so that it will make contact with microswitch which is
mounted on left side of hinge bracket.
3.Mounting Spring: Make sure that the spring the element mounts
on is intact. Replace if damaged. Please check also that the
mounting spring is not rusted or worn in any way as this will
prevent the element from conducting heat.
4.Timer Light: The light on the timer should come on briefly when
the seal bar is brought down for sealing. If it does not come on, the
timer PC board probably needs replacing.
Bag sealers-Hand operated impulse bag sealers
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