Tweco 1000 CE Merlin - Manuel (Page 33)

Manual 0-2731 3-15 INSTALLATION
3. Connect the four hose assemblies to the internal bulk-
head per the following figure.
A-02283
Plasma Gas (+)
Left-Hand Thread
Coolant Supply (-)
Left-Hand Thread
Secondary
Gas
Coolant Return
Control
Cable
Figure 3-18 Torch Supply Leads Connections
4. Connect the other end of the Torch Supply Leads fit-
tings onto the mating connections at the bulkhead panel
of the Plasma Power Supply.
A-02856
Secondary
Gas
Plasma (+)
Gas
Coolant
Return
Coolant
Supply (-)
Torch Leads
Shield Stud
Ring Lug
Figure 3-19 Torch Supply Leads Connection To Power
Supply
5. Connect the control cable connector to the mating con-
nector on the end of the Arc Starter Box.
6. The Power Supply requires internal changes when the
Optional Remote Arc Starter is to be used as follows:
a. Open the Front Control/Access Panel.
b. Remove the panel by lifting the panel up and off
the studs being careful not to damage the wiring.
c. Locate the Wiring Harness with Connector attached,
14-pin CPC type, in the parts supplied with the Re-
mote Arc Starter.
d. At the rear of the Power Supply Bulkhead Panel
place the connector into the spare hole on the
left side as viewed from the front.
e. Secure the connector to the Power Supply Bulk-
head Panel with two screws.
J11 on CD Start
PC Board
Remote Arc Starter
Wiring Harness
Assembly
Bulkhead
Panel
Ground Stud
Art # A-02287
Figure 3-20 Installation Of Wiring Harness
f. Locate the ground stud and remove one nut and
star washer.
g. Place the two wires with ring terminals over the
ground stud and secure with the nut and star
washer.
h. Locate the CD Start PC Board mounted to the Cen-
ter Chassis on the Power Supply.
i. Disconnect the plug connected to J11 on the right
side of the PC Board.
j. Reconnect the J11 plug to the mating connector on
the Wiring Harness with Connector installed above.
k. Re-install the Front/Access Panel.
l. Connect the end of the Control Cable to the 14-pin
CPC connector mounted to the Power Supply Bulk-
head.