Introduction; Scope Of Manual; General Service Philosophy; Service Responsibilities - Firepower FP-18 Service Manual

2.0 INTRODUCTION

2.1 Scope Of Manual

This manual provides service instructions for the Fire-
power ® FP-18 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 Firepower FP-18 Plasma Cut-
ter Operating Manual, 0-2691, thoroughly. A complete
understanding of the capabilities and functions of the
equipment will assure obtaining the performance for
which it was designed.

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 in good oper-
ating order in accordance with the procedures outlined
in the Operating Manual, and to protect the equipment
from accidental or malicious 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.
Service Manual 0-2692

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 the Technical Ser-
vices Department in West Lebanon for assistance.

2.4 Technical Specifications

A. System Specifications
System Specifications
Input Power 120VAC ± 10%, 60 Hz, Single Phase
Output Power 12 Amps maximum @70 VDC
Duty Cycle 30% at 70 VDC, 12 amps output
Maximum OCV 280 VDC
Pilot Circuitry Capacitive Discharge (CD), Constant DC
Weight with Leads 55 lbs
Power Supply L 16 in. (406 mm)
Dimensions W 9 in. (229 mm)
H 10 in. (254 mm)
Work Cable 15 ft. (4.57 m)
Input Power Cable 6.6 ft. (2 m) minimum
Torch Style PCH-10 70°
Torch Dimensions L 7.98 in. (203 mm)
W 2.95 in. (75 mm)
Cutting Rating 12 Amps Max. Straight Polarity
Cut Capacity Most metals up to 1/8 in. (3.2 mm)
Severance Most metals up to 3/16 in. (4.76 mm)
Pierce Rating 1/16 in. (1.59 mm)
Transfer Distance Approx. 1/8 in. (3.2 mm)
Gas Requirements Compressed Air (Built-in)
Leads Length 20 ft. (6.10 m)
7 Firepower FP-18 Plasma Cutter