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1.1 GENERAL
The patented PT-27 (Figure 1-2) is a manual torch with
a 75° head designed for use with several Plasma Arc
Cutting Packages using clean, dry air as the plasma
gas. The service line lengths available with the PT-27
torch are 25 feet (7.6 m) and 50 feet (15.2 m). The PT-
27 torch is rated to operate at a maximum of 80
amperes at 100% duty cycle.
1.2 SCOPE
This manual is intended to provide the operator with all
the information required to assemble, operate, and
repair the PT-27 Plasma Arc Cutting Torch. For addi-
tional safety precautions, process instructions, and
system troubleshooting; refer to the appropriate in-
struction manual for your Plasma Arc Cutting Package.
1.3 SPECIFICATIONS
Refer to Figure 1-1, Figure 1-2, and Figure 1-3 for
specifications.
The plasma arc cutting process employs high voltages. Contact with
"live" parts of the torch and machine must be avoided. Also, the
improper use of any of the gases employed can present a safety hazard.
Before beginning operation with the PT-27 torch, refer to the Safety
Precautions and operating instructions in the appropriate power source
instruction manual.
Using the torch on any unit not equipped with a mating safety interlock
circuit may expose operator to unexpected high voltage.
Torch Assembly
(Part No.)
Service Line
Length
Weight Pilot Arc Connection Type
Current
Capacity
(100% duty)
21620 25 ft (7.6 m) 5.2 lbs (2.4 kg)
PLUG
80 A DCSP
21621 50 ft (15.2 m) 9.6 lbs (4.4 kg)
(for service with older consoles
equipped with pilot arc
receptacles)
21661 25 ft (7.6 m) 5.2 lbs (2.4 kg)
RING
21662 50 ft (15.2 m) 9.6 lbs (4.4 kg)
(for service with current consoles
equipped with pilot arc terminal
studs)
Figure 1-1. PT-27 Specifications
SECTION 1 DESCRIPTION
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