Thermadyne CE CutMaster 75, Service Manual

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Manual 0-2869 2-1 INTRODUCTION
2.03 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 equip-
ment does not function as specified, contact the Tech-
nical Services Department.
SECTION 2:
INTRODUCTION
2.01 Scope Of Manual
This manual provides service instructions for the Ther-
mal Dynamics CutMaster 75 Plasma Cutting Power Sup-
ply. Information in this manual is particularly applicable
to the troubleshooting and repair of this power supply,
and is intended for use by properly-trained service tech-
nicians familiar with this equipment.
For setup of this equipment, individual operating proce-
dures, and basic troubleshooting, refer to the Operating
Manual.
Read both the operating manual and the service manual
thoroughly. A complete understanding of the capabili-
ties and functions of this equipment will assure obtain-
ing the performance for which it was designed.
2.02 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 Printed Circuit Board (PCB)
Assemblies which must be carefully handled and must
be replaced as units. No replacement of printed circuit
solder-mounted components is allowed except as noted
in this manual.
Printed Circuit Board Assemblies to be returned must be
properly packaged in protective material and returned
intact per normal procedures.