SanRex SANARG 300AP Operator's Manual page 5

PURPOSE OF THIS MANUAL
This manual has been prepared to present the safety, installation/operation and maintenance instructions for
the SanRex SANARG 300AP with cooling water pressure sensor, hereby referred to as 300AP, an AC/DC
Stick and TIG welding machine manufactured by the Sansha Corporation of Osaka, Japan. The manual
contains the information necessary for the Professional Welder to correctly use and operate the 300AP. It is
not the intent of this manual, and does not, instruct or offer information on how to weld.
This operation manual includes an introduction followed by detailed information sections.
The information in this operating manual is generic to this model line of the welding machine and must be
supplemented with application specific data, environment condition (location), electrical input connections,
limitations, and principal safety standards.
SECTION 1 - SAFETY REGULATIONS
AND REQUIREMENTS
This section contains the leading particulars
and descriptions of the welding symbols,
safety, warning instructions; additional
symbols for a complete understanding and
safe use of the equipment are also included.
SECTION 2 – INTRODUCTION AND
DESCRIPTION
This section includes descriptions and
features of the product, V-A curves and the
functional lock diagram of the product.
SECTION 3 - INSTALLATION
RECOMMENDATIONS
Describing the transportation, working
environment, electrical hook-up with
consideration for grounding and high
frequency interference. Also input power,
connections and specifications.
SECTION 4 – OPERATOR CONTROLS,
DIMENSIONS AND OUTLINE
Included in this section is a sequence of
operation, welding process selection, 300AP
attributes and model features and remote
control receptacle specifications.
SECTION 5 – SET-UP FOR BASIC STICK
(SMAW) AND TIG (GTAW)
WELDING
This section shows the basic STICK and
TIG connection set-up for the 300AP from
tank to workpiece.
INTRODUCTION
SECTION 6 - SEQUENCE OF OPERATION
This section describes the sequence to set-up
the machine to perform STICK, TIG and
HF-TIG welding operations.
SECTION 7 – VOLTAGE REDUCTION
DEVICE (VRD)
This section includes information in the
Voltage Reduction device that is built-in to
the unit. This device lowers the Open
Circuit Voltage in STICK welding. This
function is useful in applications where a
high OCV could be dangerous. The 300AP
is shipped from the factory with the VRD
disabled.
SECTION 8 – TROUBLESHOOTING
This section provides information on Power
Source problems and Power Source Error
Codes.
SECTION 9 – ROUTINE MAINTENANCE
This section describes basic maintenance for
the welding power source.
SECTION 10 – PARTS LIST
This section contains the basic schematic,
exploded view and a listing of the spare
parts and order numbers.