Graco ProMix PD2K Repair Parts page 57

Replacing a Communication Gateway Module
NOTICE
To avoid damaging the circuit boards when
servicing the control box, wear Part No. 112190
grounding strap on your wrist and ground
appropriately.
To avoid electrical component damage, remove all
system power before plugging any connectors.
1. Follow the steps in
2. Loosen the screws (124) and remove the
enclosure cover (117).
3. Remove the screws (182b) holding the
communication gateway module (CGM) to the
module base. Remove the CGM. You do not
have to disconnect the cables.
4. Install the new CGM (182a), using the screws
(182b).
5. Turn on power at the main circuit breaker.
6. Turn on the control box power switch. Check that
the three status indicator lights are green.
7. Reinstall the cover (117) and tighten the screws
(124).
332709D
Before Servicing, page 48.
Figure 37 Replacing a Communication Gateway
Module
Repair
57