Eastey EA Professional Series, User Manual

Page: 47 / 70

Adjustments 47
Seal Head Pressure Adjustment
Uniform pressure between the seal head inserts and the sealing pads must always be
maintained for proper sealing and uniformity, and to prevent weak seals. This
adjustment should be checked periodical and should always be checked when sealing
gaps occur. Proceed as follows.
1. Keep power on.
2. Adjust the seal head pressure.
NOTE: If the machine has been in operation for some time, check lower
seal pad materials and replace as necessary before making any
pressure adjustments. See Lower Seal Pad Replacement on page
56
3. Check the air supply to ensure minimum of 60 PSI.
4. With a piece of paper between the upper and lower seal bars, cycle the seal
head. Check with paper all the way across the seal head. Check the impression
on the paper to make sure there is even pressure across the seal head.
NOTE: From the cross bar to the top of the saddle (next to the 5/16 inch
nut) is 2 inches in height. (This is a good starting point.)
NOTE: One full turn is approximately 1/16 of an inch.
5. If the film pressure is unequal, loosen the upper and lower nuts holding the seal
bar saddle in place only in areas where pressure is unequal.
2”
2”
Saddle
(between plates)
Saddle
(between plates)
¼-20
Actuating
Bolts
Sealing
Area