Tweco TD-750 Cutting Systems - Manual (Page 13)

Manual 0-2475 9 INTRODUCTION & DESCRIPTION
SECTION 2:
INTRODUCTION &
DESCRIPTION
2.01 Scope of Manual
This manual contains description, installation instructions
and maintenance procedures for the Thermal Dynamics
Arc Starter Box. Service of this equipment is restricted to
Thermal Dynamics trained personnel; unqualified per-
sonnel are strictly cautioned against attempting repairs
or adjustments not covered in this manual, at the risk of
voiding the Warranty.
Read this manual thoroughly. A complete understand-
ing of the characteristics and capabilities of this equip-
ment will assure the dependable operation for which it
was designed.
2.02 General Description
The Arc Starter Box Assembly is used to place the arc
starting circuit closer to the Torch Assembly and is de-
signed to be mounted on the gantry near the Torch As-
sembly.
The Torch, with short leads attached, connects to the out-
put of the unit. The Torch Extension Leads Assembly con-
nects to the input of the unit.
All gases and command signals are supplied to the Arc
Starter Box by the Torch Leads Assembly connected to
the Plasma Power Supply. The gases and command sig-
nals are then sent to the Maximizer 300 Liquid Cooled
Torch.
A-00649
Figure 2-1 Arc Starter Box
2.03 Specifications & Design
Features
The following applies to the Arc Starter Box only:
A. System Configuration
• TD-750 Cutting System:
Used with the TD-750 Plasma Cutting System
Control/Power Modules, Power Base Unit, and
Maximizer 300 Machine Torch.
• Merlin 3000 Cutting System:
Used with the Merlin 3000 Plasma Cutting Sys-
tem Power Supply and Maximizer 300 Machine
Torch.
B. Pilot) Circuitry
CD, Constant DC
C. Input Connection
Provides connection for the Torch Extension Leads
Assembly between the Plasma Power Supply and the
Arc Starter Box.
D. Output Connection
Provides connection for the Torch Leads between the
Arc Starter Box and the Maximizer 300 Torch.
E. Mounting
Designed for easy mounting to the Cutting Table gan-
try.
F. Weight
12 lb (5.4 kg)