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Graco InvisiPac Tank-Free HM25 - Operation; Overview; Initial Startup and Prime

Graco InvisiPac Tank-Free HM25
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Operation
3A2347ZAA 29
Operation
NOTE: See AppendixA-ADMon page 111 for
detailed ADM information.
NOTE: See Appendix B - USB Downloading, Upload-
ing on page 117 for detailed USB information.
Overview
The system includes a vacuum transfer system that
pulls the adhesive pellets into the system as needed.
Once melted, the adhesive enters the pump where it is
pumped into the heated hoses then to the heated guns.
The gun then briefly opens to dispense the desired
quantity of adhesive.
Even though the system rises to operating temperature
quickly, there is a Schedule function in the ADM that
eliminates waiting for the system to heat up. The Sched-
ule function automatically enables the heating system at
the user-specified times so the system is ready to dis-
pense when a shift begins. The Schedule function also
disables the heating system at user-specified times to
ensure the heating system is disabled when not being
used.
Initial Startup and Prime
NOTE: All setup procedures must be completed prior to
initial startup. See Setup on page 13.
NOTE: Only 1/4 in. (6 mm) round hot melt adhesive pel-
lets can be used in the InvisiPac system. PSA-type
adhesive pellets will not work in the InvisiPac system.
1. Direct the guns into an appropriate waste container.
2. Verify the shaker inlet is at the bottom of the empty
adhesive pellets container. Optional vibrating adhe-
sive pellets container, part 24R136, is available.
See Accessories on page 94.
NOTE: The shaker inlet must be completely covered in
adhesive pellets to effectively pull pellets into the tube.
3. Fill adhesive pellets container with hot melt adhe-
sive pellets.
4. Turn main power switch ON .
5. Open system air inlet ball valve.
6. Use pump air pressure regulator (C) to adjust pump
air pressure to 0. See F
IG. 1 on page 8.
Heating and dispensing hot melt adhesive may
create potentially harmful vapors. Read material
manufacturer’s warnings and material MSDS to know
specific hazards and precautions. Ventilation of the
work area may be required.
NOTICE
To prevent damage to soft key buttons, do not press
the buttons with sharp objects such as pens, plastic
cards, or fingernails.
WLE

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