Dispensing Material; Adjusting Timers And Controllers - Graco THERM-O-FLOW T7 Series Instructions Manual

For melting and pumping non-explosive hot melt thermoplastic adhesives. hot melt tank.
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Dispensing material

Do not operate hot melt unit until material in tank is
at set temperature. The pump will not operate until
the tank is within 90% of set temperature. The tank
is at temperature when all device LEDs are flashing
GREEN.
1.
Adjust panel controls, see Adjusting panel con-
trols, page 15.
2.
When device indicators are flashing green, set
pump function. See Setting pump control and
speed, page 16.
The normal mode of pump operation is the
cycle mode.
When setting pump speed for DC motors, set
the pump speed to the lowest necessary
speed. This will maintain operating fluid pres-
sure and reduce the potential for glue degrada-
tion due to shearing in the pump.
3.
Dispense the material as instructed in appropriate
applicator manual.
18
4.
To adjust flow of material, turn the pressure regula-
tor (Q), using a 10 mm hex wrench.
To increase flow, turn regulator clockwise.
To decrease flow, turn regulator counterclock-
wise.
Increase flow
Decrease flow

Adjusting timers and controllers

See Timer manual 310814 for instruction. See Air Saver
Control instructions in appropriate applicator manual.
310801 Manual Applicator manual
310803 Automatic Applicator manual
Operation
Q
309832D

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