Connecting Torch Leads - Firepower FP-78 Operating Manual

7. Secure the gas supply hose inplace with the adjust-
able hose clamp.
Supply hose must be at least #4 hose (1/4 in or 6
mm I.D.).

3.08 Connecting Torch Leads

Disconnect primary power at the source before as-
sembling or disassembling the power supply, torch
parts, or torch and leads assemblies.
The Torch Leads are factory installed to the Power Sup-
ply. The information in this Section is only used if the
Torch Leads need to be replaced. The Torch Leads must
be properly installed to the Power Supply for proper op-
eration. Make all torch connections to the Torch Bulk-
head Panel and Pilot PC Board per the following:
Equipment ordered as a system will have the Torch
factory connected to the Power Supply.
1. Remove the Cover of the power supply to gain access
to the torch bulkhead panel and Pilot/Output PC
Board.
2. Feed the end of the torch leads through the hole in the
front panel in the following order:
• Control Cable with Connector
• Pilot Cable with Lug
• Gas/Power lead
A-01683
Figure 3-9 Routing Torch Leads
Manual 0-2700
NOTE
WARNING
NOTE
Torch Leads
Boot
Torch Leads
This system is designed for use with the FP78-
1torch only. Do not connect any other torch to
this power supply.
3. Connect the torch gas/power lead fitting onto the
Gas/Power Lead Connection.
Pilot Lead
Torch Leads
Control Cable
Figure 3-10 Lead Connection and Routing
4. Feed the Control Cable and Pilot Cable through the
hole in the bulkhead.
5. Connect the Torch Control and Pilot Cables to the
Pilot/Output PC Board as follows:
a. Twist the Pilot Cable around the black wire
located between E8 and E23 (see NOTE).
The Pilot Cable must be twisted around the black
wire between E8 and E23 to ensure proper opera-
tion of the torch pilot.
b. Connect the end of the Pilot Cable to E27 con-
nector lug.
c. Connect the end of the Control Cable to the
mating connector at J12.
15
CAUTION
Bulkhead
Gas/Power Lead
Connection
A-01684
Lead
NOTE
INSTALLATION PROCEDURES