4.3.1 Hot Melt supply hoses - Important Points
1. To prevent damage to the hot melt supply hose, the hose should
not be flexed when cold. These hoses have a minimum bend
radius of eight inches when hot. Further flexure will cause
permanent damage.
2. Hot melt fittings must be heated before loosening or tightening
or damage may result. New and clean supply hose fittings do
not need to be heated.
3. To install the supply hoses on the melt unit, raise or tilt the unit
far enough backwards so that the bottom is accessible but not
as far so adhesive spills out of the melt tank. Do not turn melt
unit upside down.
a. Insert thermostat bulb entirely into brass tube of hose [1].
Take care not to kink the capillary tube [4] or not to bend
the hose at a sharp angle. (Capillary controlled hoses only)
b. Loosely connect JIC swivel fitting [6] on hose to the right
angle fitting [5] on the hose connection flow control [7] or
manifold [8]. Make sure the brass tube with thermostat bulb
is oriented at either three or nine o'clock for optimal
temperature control. (Capillary controlled hoses only)
c. Fasten hose support block [3] to chassis.
d. Tighten JIC swivel fittings.
e. Plug in hose electrical connector(s) [2].
f. Tuck capillary tubing and electrical connector underneath
the unit. (Capillary controlled hoses only)
g. Position and support hose as it is used in service.
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4
1
2
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7
3
0980678a
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© Copyright Astro Packaging 2009 KB30, KB50 and KB100 Series Hot Melt Units 19600-159 Rev. A 04/09/09 11
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