Pressure Relief Procedure. Graco 3A2894U, ExactaBlend AGP Advanced Glazing Proportioner

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Pressure Relief Procedure. Graco 3A2894U, ExactaBlend AGP Advanced Glazing Proportioner | Manualzz

Pressure Relief

Procedure

MD2:

a. Remove the static mixer.

Pressure Relief Procedure

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 when you stop dispensing and before cleaning, checking, or servicing the equipment.

1.

If electrical power is supplied to the machine , perform

Base Purge , page 46.

If electrical power is not supplied to the machine , continue to the next step.

2.

S100 and P100: Close the base (A) and catalyst (B) air motor slider valves.

U100: Close the base (A) air motor slider valve and the supply ball valve on the pressure pot. Bleed the air from the pressure pot by opening the manual bleed valve.

b. Open the catalyst (B) ball valve located near the dispense applicator.

c. Disengage the trigger lock.

d. Trigger the gun to relieve pressure into a waste container.

e. Verify the pressure gauges display “0”.

3A2894U 47

Pressure Relief Procedure f. Close the base (B) and catalyst (A) main air slider valves.

Ultra-lite:

a. Remove the JIC caps from the calibration check assembly.

b. Place a waste container underneath the cali bration check assembly.

g.

If electrical power is not supplied to the machine, place a waste container underneath the pump bleed valves. Open the pump bleed valves.

NOTE: For U100 systems, the catalyst bleed valve is located on the pump outlet filter.

c. Open the calibration check assembly to relieve pressure into a waste container.

h. Clean the nose of the dispense valve or bleed valve.

i. Install the night cap onto the MD2.

d. Verify the pressure gauges display “0”.

48 3A2894U

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