Prime The System - Graco PR-X Setup - Operation - Repair

Operation

Prime the System

1. Remove Static Mixer Package (AH) from the MD2
Dispense Valve (AE) (if installed) and place a waste
container below it.
2. Pressurize the A and B Material Feed System (K
and L); set the lower pressure to 20 psi (0.14 MPa,
1.4 bar).
3. Go to the Advanced Screen 1 of the PR-X control
box (J). Select 'Piston move up', the piston moves
up until the sensor sends out the stop signal, then
set the move speed to 0.2 cc/s.
F . 39 Advanced Screen 1
IG
44
4. Select 'Dispense valve', 'Inlet valve A' and 'Inlet
valve B' to turn on MD2 Dispense Valve (AE) and
Inlet Valve A and B (AL or AM).
F . 40 Advanced Screen 2
IG
5. When both sides of the system have a continuous
and stable flow, select 'Dispense valve' again to turn
off the MD2 Dispense Valve (AE).
6. Return to the Manual screen 1. Change the function
to reload, then run the system.
F . 41 Manual Screen 1
IG
7. Dispense several full stroke shots until the PR-X
Machine (H) is free of air.
3A7526B