Flushing Procedure - Graco InvisiPac HM10 Instructions Manual

Flushing Procedure

To help prevent fire and explosion, use the adhesive
manufacturer's recommended cleaning fluid.
• Never exceed the cleaning fluid's rated
temperature.
• Never flush your system or clean any aluminum
components with halogenated hydrocarbon
cleaning solution.
See the hot melt adhesive technical data sheet or SDS
for the recommended cleaning fluid and cleaning fluid
temperature requirements.
1. Drain the System. Follow the steps on page 30.
2. Depressurize the system.
a. Decrease pump air pressure (505) to 0.
b. Close the bleed-type air valve (62).
3. Set the refill setting to Manual. See F
4. Remove the funnel bolts and the top portion of the
funnel.
3A7259C
. 26.
IG
F . 27
IG
5. Change temperature setpoints to the
manufacturer's recommended temperature for the
cleaning fluid. Allow all system zones to heat or
cool to the recommended setpoint. See Set
Temperatures on the Home Screen, page 20.
6. Verify the bleed-type air valve (62) is closed and
pump air pressure is set to 0.
7. Fill melter with hot melt cleaning fluid. To avoid
overfill and spilling, do not fill above the metal
portion of the melter.
Maintenance
31