Tweco GCM-6000 Gas Control - Manual (Page 20)

INSTALLATION PROCEDURES 14 Manual 0-2641
16. Connect the other end of the Preflow RAS Gas
Hose to the mating connector at the end of the Arc
Starter Box.
Arc Starter
Control Cable
Plasma RAS Gas Hose
(Left-Hand Thread)
Secondary RAS
Gas Hose
Preflow RAS
Gas Hose
A-01805
Rear Panel
J57
Figure 3-6 Connections From Arc Starter Box
17. If the Optional Secondary Water (H
2
O) Control
was factory installed proceed with the following:
a. Connect the Secondary Water Hose to the in-
ternal bulkhead of the Master Power Supply.
b. Connect the other end of the of the Secondary
Water Hose to the rear of the Gas Control Mod-
ule.
3.07 Optional Secondary Gas/Water
(H
2
O) Flow Control Module
Installation
NOTE
This option is factory installed onto the Gas Con-
trol Module if the system was ordered with this
option.
The information in this Section is supplied for those sys-
tems that did not have the Optional Secondary Gas/Wa-
ter Flow Control Module factory installed. To install the
option use the following procedure:
1. On the Gas Control Module remove the Rear and
both Side Panels per Section 3.05.
2. On the Optional Secondary Gas/Water Flow Con-
trol Module remove the four screws securing the
Rear Panel. Set the Rear Panel and screws aside.
3. Attach the Optional Secondary Gas/Water Flow
Control Module onto the right hand side of Gas
Control Module using four #10-32 x 3/8 screws
and nuts provided (see NOTE).
NOTE
The screw and nut in the upper back corner is dif-
ficult to install. To make assembly easier an op-
tional Panel Rivet is supplied and must only be
used in the one place as shown in the following
illustration.
Optional Secondary
Gas/Water Flow
Control Module
Gas Control
Module
Screw
(4 Places)
Nut
(4 Places)
A-02372
NOTE
May Use Supplied Optional Panel
Rivet In This Location
Figure 3-7 Optional Secondary Gas/Water Flow
Control Module Installation
4. At the rear of the Gas Control Module locate the
TO ARC STARTER BOX SECONDARY gas fitting.
5. Inside the Gas Control Module remove the hose
between the SECONDARY output fitting and the
gauge assembly. Push down on the connections
to release the hose. Discard this hose as it is no
longer required.