Reference Guide

20 - 4
PN 074-558-P1A
3000 Micro GC Guides
12 Use a T-20 screwdriver to loosen the screw in the inlet manifold fitting at the back of the
GC module.
13 Use a 1/4 in. open-ended wrench to disconnect the inlet manifold fitting from the GC module
input fitting.
14 Disconnect the communication cables leading from the GC modules, if present, to the
communications board connectors for the GC modules. If needed, also disconnect the power
cables leading to the fan.
Table 20-1 Changing a standard module (continued)
Step Description
Loosen screw
Manifold fitting screw
2-channel 3000 Micro GC shown
GC module
Inlet
Disconnect
inlet fittings
2-channel 3000 Micro GC shown
Others are similar
manifold
Back of GC
Remove cable
Remove
cables
Communication
board
Back view of GC modules
module