Graco 24T918 Instruction Manual page 19

Invisipac hm25 series; invisipac hm50 series tank-free hot melt delivery system
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NOTE: In the following steps, when routing the vacuum
transfer hose, ensure there are no tight coils, turns, or
dips in the vacuum hose. These will inhibit optimal func-
tioning of the vacuum transfer system.
NOTE: Maximum vacuum hose length is 30 ft (9.1 m).
Use horizontal hose routing as much as possible. The
vacuum hose must not rise more than 10 ft (3.0 m),
measured from the vacuum inlet. Any vertical rise will
lower the maximum flow rate of the vacuum transfer
system.
6. Route the 1.3 in. (33 mm) OD clear vacuum transfer
hose (G2) from the system to the adhesive pellets
container location.
7. Apply pipe sealant to threads then attach steel
shaker tube (G) to shaker head (G1). See F
To prevent shaker head (G1) galling to the shaker
tube (G), do not overtighten shaker head onto shaker
tube. These should be hand-tightened.
G5
G4
F
. 10
IG
8. Attach 1.3 in. (33 mm) clear vacuum transfer hose
(G2) to steel shaker tube (G) and secure with sup-
plied hose clamp. See F
9. Route the 3/8 in. OD air line (G4) alongside the
1.3 in. (33 mm) clear vacuum transfer hose (G2)
and secure at multiple points with the supplied zip
333347F
NOTICE
G2
G6
G
G1
ti21131a
. 10.
IG
ties (G5). See F
10. If desired, secure the 1.3 in. (33 mm) clear vacuum
transfer tube (G2) and 3/8 in. OD air line (G4) with
zip ties to a supporting structure at various points in
the routing.
11. Attach the other end of the long 3/8 in. OD air line
(G4) to the 3/8 in. push-to-connect fitting on the
shaker head (G1).
12. Ensure the adhesive pellets container is in the
desired operating location. The location should be
chosen to make it easy to fill the container with pel-
lets.
13. Place shaker assembly in an empty adhesive pel-
lets container then fill the container with adhesive
. 10.
IG
pellets.
NOTE: To promote optimal system performance, pur-
chase 30 Gallon Vibrating Hopper, 24R136. See
installation instructions on page 104.
NOTE: If static buildup on feed tube (G) is excessive,
install optional feed tube ground kit 24R708 to feed tube
end (G6). See F
. 10.
IG
. 7.
IG
Setup
19

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