Tweco 42 CutMaster Service Manual - Manual (Page 19)

INTRODUCTION CUTMASTER 42
Manual 0-5171 2T-1 Introduction
SECTION 2TORCH:
INTRODUCTION
2T.01 Scope of Manual
This manual contains descriptions, operating instruc-
tions and maintenance procedures for the SL40 Plasma
Cutting Torch. Service of this equipment is restricted
to properly trained personnel; unqualified personnel are
strictly cautioned against attempting repairs or adjust-
ments not covered in this manual, at the risk of voiding
the Warranty. Read this manual thoroughly. A complete
understanding of the characteristics and capabilities of
this equipment will assure the dependable operation for
which it was designed.
2T.02 Specifications
A. Torch Configurations
1. Hand Torch, Model SL40
The hand torch head is at 75° to the torch handle.
The hand torches include a torch handle and torch
trigger assembly.
8.3" (210.82mm)
2.6"
(66.04mm)
.96" (24.38mm)
Art # A-09336
B. Torch Leads Lengths
Hand Torches are available as follows:
• 15 ft / 4.6 m.
C. Torch Parts
Starter Cartridge, Electrode, Tip, Shield Cup
D. Parts - In - Place (PIP)
Torch has built-in switch.
12 vdc circuit rating
E. Type Cooling
Combination of ambient air and gas stream through
torch.
F. Torch Ratings
SL40 Torch Ratings
Ambient
Temperature
104° F
40° C
Duty Cycle 100% @ 40 Amps @ 193 scfh
Maximum Current 40 Amps
Voltage (V
peak
) 500V
Arc Striking Voltage 500V
Torch Control Circuit
Voltage
24V
G. Current Ratings
SL40 Current Ratings
SL40 Torch & Leads
Up to 40 Amps, DC,
Straight Polarity
NOTE
Power Supply characteristics will determine
material thickness range.
H. Gas Requirements
SL40 Torch Gas Specifications
Gas (Plasma and Secondary) Compressed Air
Minimum Input Pressure
85 psi
5.9 bar
Maximum Input Pressure 125 psi / 8.6 bar
Gas Flow
193 scfh
91 lpm
!
WARNING
This torch is not to be used with oxygen (O
2
).
This torch is not to be use with high frequency
starting systems.