Melter Pump Assembly Repairs - Graco InvisiPac HM10 Instructions Manual

Repair
15. While installing the bowl assembly, reconnect the
air line from the bottom rear of the hopper to the
fitting (50) in the shaker (42).
16. Apply medium strength thread locker to the four
studs sticking up and tighten the nuts (14) to secure
the bowl.
17. Reconnect the air line from the side of the hopper
to the venturi (53).
18. Slide the tube (54) through the grommet (42) and
secure it to the venturi (53) with the hose clamp
(51).
NOTE: Lightly spray the area with rubbing alcohol to
allow the hose to pass more easily through the
grommet.
19. Put the lid (48) back on top of the hopper (37) and
ensure the tabs are in the slots.
20. Reinstall the screws (64) through the lid into the
back of the hopper.

Melter Pump Assembly Repairs

DANGER
SEVERE ELECTRIC SHOCK HAZARD
This equipment can be powered by more than 240V.
Contact with this voltage will cause death or serious
injury.
• Turn off and disconnect all power before
disconnecting any cables and before accessing
the electrical enclosure or servicing electrical
components.
88
Prepare for Melter Pump Repairs
This equipment stays pressurized until pressure is
manually relieved. To help prevent serious injury from
pressurized fluid, such as skin injection, splashing
fluid and moving parts, follow the Pressure Relief
Procedure, page 26 before servicing the equipment.
The equipment surfaces and components can
become very hot. To avoid severe burns, wear
protective gloves and clothing that will insulate your
hands and body from the hot surfaces and adhesive
material.
Moving parts can pinch, cut, or amputate body parts.
To help prevent serious injury from moving parts, do
not operate equipment with the protective covers
removed.
1. Warm the system to operating temperature. The
adhesive must be fluid to perform this procedure.
Replace the components before the system cools.
NOTICE
Hardened adhesive will damage seals or other soft
parts during installation. Reassemble the pump
components within 30 minutes of disassembling the
pump to avoid adhesive hardening.
2. Follow the Pressure Relief Procedure, page 26.
3. Drain the System. Follow the steps on page 30.
4. Flush the system if desired. See Flushing
Procedure, page 31.
5. Press the power button on the ADM screen to shut
down the system.
6. Disconnect power from the equipment.
7. Remove Equipment Covers as needed. Follow the
steps on page 82.
3A7259C