Service Manual 0-2717
9
COUGAR 125 Plasma Cutter
2.3 Service Responsibilities
The Service Technician should be familiar with the equip-
ment and its capabilities and should be prepared to rec-
ommend arrangements of components which will pro-
vide the most efficient layout, utilizing the equipment to
its best possible advantage.
Maintenance work should be accomplished in a timely
manner. If problems are encountered, or the equipment
does not function as specified, contact Technical Services
Department in West Lebanon for assistance.
2.4 Technical Specifications
A. System Specifications
System
Specifications
Input/Output
Specifications
See subsection 2.4B
Duty Cycle
See subsection 2.4B
Maximum OCV
280 VDC
Pilot Circuitry
Capacitive Discharge (CD), Constant DC
Weight with Leads
52 lbs (24 kg)
Power Supply
L 16 in. (406 mm)
Dimensions
W 9 in. (229 mm)
H 10 in. (254 mm)
Work Cable
15 ft. (4.6 m)
Input Power Cable
6.6 ft. (2 m) minimum
Torch Style
PCH-10 70°
Torch Dimensions L 8 in. (203 mm)
W 3 in. (75 mm)
Cutting Rating
12 Amps Max. Straight Polarity
Duty Cycle
100% @ 12 amps on 1/8 in. (3.2 mm) metal
Cutting Range
28 ga. (.5mm) - 10 ga.(3 mm) carbon steel
Severance
Most metals up to 3/16 in. (4.8 mm)
Pierce Rating
1/16 in. (1.6 mm)
Transfer Distance
Approx. 1/8 in. (3.2 mm)
Gas Requirements
Type: Compressed Air (External)
Operating Pressure: 25 psi (1.7 bar)
Flow: 60-80 scfh @ 25 psi (see note below)
(28.3-38 lpm @ 1.7 bar)
Leads Length
20 ft. (6.1 m)
2.0 INTRODUCTION
2.1 Scope Of Manual
This manual provides service instructions for the Ther-
mal Dynamics® COUGAR 125 Plasma Cutter.
Information in this edition is particularly applicable to
the Troubleshooting and Repair of the equipment, and is
intended for use by properly trained Service Technicians
familiar with this equipment.
Read this manual and the COUGAR 125 Operating
Manual, 0-2716, thoroughly. A complete understanding
of the capabilities and functions of the equipment will
assure obtaining the performance for which it was de-
signed.
2.2 General Service Philosophy
Several key points are essential to properly support the
application and operation of this equipment.
A. Application
The equipment should satisfy the customer’s require-
ments as supplied and as described in Section 3 of this
manual. Be sure to confirm that the equipment is capable
of the application desired.
B. Modifications
No physical or electrical modifications other than selec-
tion of standard options and accessories are to be made
to this equipment.
C. Customer/Operator Responsibilities
It is the customer/operator's responsibility to maintain
the equipment and peripheral accessories provided by
Thermal Dynamics in good operating order in accordance
with the procedures outlined in the Operating Manual,
and to protect the equipment from accidental or mali-
cious damage.
D. Repair Restrictions
The electronics consists of a Printed Circuit Board Assem-
bly which must be carefully handled, and must be re-
placed as a unit. No replacement of printed circuit sol-
der-mounted components is allowed except as noted in
this manual. If PC Board is to be returned, the replaced
Printed Circuit Board Assembly must be properly pack-
aged in protective material and returned intact per nor-
mal procedures.
NOTE
Customer-supplied Compressor should supply 150-
200 scfh @ 50 PSI (3.5 bar)
