BOSSCO ARC 160 User manual

MODEL
•BOSS ARC 140
•BOSS ARC 160
Operating Manual
(Owner’s Manual)
IMPORTANT: Read these instructions before installing, operating, or servicing this system.
Second Edition Manual No. B0802

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BOSS ARC140、160 Operating Manual
CONTENTS
SYMBOL LEGEND---------------------------------------------------------------------------------------------------2
STATEMENT OF WARRANTY------------------------------------------------------------------------------------3
1.0 GENERAL INFORMATION-------------------------------------------------------------------------------4
1.01 Notes, Cautions and Warnings------------------------------------------------------------------------4
1.02 Important Safety Precautions--------------------------------------------------------------------------4
1.03 Transporting methods-----------------------------------------------------------------------------------6
2.0 INSTALLATION RECOMMENDATION----------------------------------------------------------------7
2.01 Electrical Input Connections---------------------------------------------------------------------------8
2.02 Specifications----------------------------------------------------------------------------------------------9
2.03 Duty cycle--------------------------------------------------------------------------------------------------9
3.0 OPERATOR CONTROLS-------------------------------------------------------------------------------10
3.01 BOSS ARC Series controls---------------------------------------------------------------------------10
3.02 Weld parameter description--------------------------------------------------------------------------11
4.0 SET-UP FOR MMA(STICK) AND GTAW (TIG)----------------------------------------------------12
4.01 Stick welding---------------------------------------------------------------------------------------------13
4.02 DC TIG welding-----------------------------------------------------------------------------------------13
5.0 POWER SUPPLY CONTROLS INDICATORS AND REATURES-----------------------------14
6.0 BASIC TIG WELDING GUIDE--------------------------------------------------------------------------15
6.01 Electrode Polarity---------------------------------------------------------------------------------------15
6.02 Tungsten Electrode Current Ranges---------------------------------------------------------------15
6.03 Tungsten Electrode Types----------------------------------------------------------------------------15
6.04 Guide for Selecting Filler Wire Diameter----------------------------------------------------------15
6.05 Shielding gas selection--------------------------------------------------------------------------------16
6.06 TIG welding parameters for low carbon & low alloy steel pipe-------------------------------16
6.07 Welding parameters for steel------------------------------------------------------------------------16
7.0 BASIC ARC WELDING GUIDE------------------------------------------------------------------------17
7.01 Electrode polarity---------------------------------------------------------------------------------------17
7.02 Effects of stick welding various materials---------------------------------------------------------17
8.0 MAINTENANCE--------------------------------------------------------------------------------------------18
9.0 BASIC TROUBLESHOOTING-------------------------------------------------------------------------19
9.01 Check the item and excrescent phenomenon exclusion method---------------------------19
9.02 TIG welding problems---------------------------------------------------------------------------------20
9.03 Stick welding problems--------------------------------------------------------------------------------21
9.04 Power source problems-------------------------------------------------------------------------------22
10.0 PART LIST---------------------------------------------------------------------------------------------------23
11.0 REMARK-----------------------------------------------------------------------------------------------------27
APPENDIX: INTERCONNECT DIAGRAM

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BOSS ARC140、160 Operating Manual
SYMBOL LEGEND
AAmperage
Stick (SMAW)
VVoltage
Pulse Current Function
(GTAW)
Hz Hertz (frequency)
tSpot Time (GTAW)
SEC Seconds
Remote outputs control
(Panel/Remote)
%Percent
Remote Function
DC (Direct Current)
Arc Control (SMAW)
AC (Alternating Current)
t
2Gas Post-Flow Time
2T (GTAW)
t1Gas Pre-Flow Time
4T (GTAW)
VRD Voltage Reduction
Device Circuit
Repeat Function (GTAW)
—Negative
Spot Function (GTAW)
+Positive
High Frequency Starting
(GTAW)
Gas Input
Lift Start （GTAW）
Gas Output

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BOSS ARC140、160 Operating Manual
STATEMENT OF WARRANTY
LIMITED WARRANTY: "BOSS" warrants to customers of its authorized distributors hereafter "BOSS" that its products will be
free of defects in workmanship or material. Should any failure to conform to this warranty appear within the time period
applicable to theBOSS products as stated below, BOSS shall, upon notification thereof and substantiation that the product has
been stored, installed, operated, and maintained in accordance withBOSS’sspecifications,instructions, recommendations and
recognized standard industry practice, and not subject to misuse, repair, neglect, alteration, or accident, correct such defects by
suitable repair or replacement, at BOSS ‘s sole option, of any components or parts of the product determined by BOSS to be
defective.
The BOSS COMPANY MAKESNO OTHER WARRANTY,EXPRESS OR IMPLIED. THIS WARRANTY IS EXCLUSIVE AND
IN LIEU OF ALL OTHERS, INCLUDING, BUT NOT LIMITED TO ANY WARRANTY OF MERCHANTABILITY OR FITNESS
FOR ANY PARTICULARPURPOSE.
LIMITATION OF LIABILITY: BOSS shall not under any circumstances be liable for special, indirect or consequential damages,
such as, but not limited to, lost profits and business interruption. The remedies of the Purchaser set forth herein are exclusive
and the liability of BOSS with respect to any contract, or anything done in connection therewith such as the performance or
breach thereof, or from the manufacture, sale, delivery, resale, or use of any goods covered by or furnished by BOSS whether
arising out of contract, negligence, strict tort, or under any warranty, or otherwise, shall not, except as expressly provided herein,
exceed the price of the goods upon which such liability is based. No employee, agent, or representative of BOSS is authorized
to change this warranty in any way or grant any other warranty.
PURCHASER'S RIGHTS UNDER THIS WARRANTY ARE VOID IF REPLACEMENT PARTS OR ACCESSORIES ARE USED
WHICH IN BOSS’S SOLE JUDGEMENT MAY IMPAIR THE SAFETY OR PERFORMANCE OF ANY BOSS PRODUCT.
PURCHASER'S RIGHTS UNDER THIS WARRANTY ARE VOID IF THE PRODUCT IS SOLD TO PURCHASER BY
NON-AUTHORIZED PERSONS.
The warranty is effective for the time stated below beginning on the date that the authorized distributor delivers the products to
the Purchaser. Notwith standing the foregoing, in no event shall the warranty period extend more than the time stated plus one
year from the dateBOSS delivered the product to the authorized distributor.
POWER SUPPLIES POWER SUPPLIES & WIRE FEEDERS
MAIN POWER MAGNETICS (STATIC& ROTATING) 1YEAR
ORIGINAL MAIN POWER RECTIFIER 1YEAR
POWER SWITCHING SEMI-CONDUCTORS & CONTROL PC BOARD 1YEAR
ALL OTHER CIRCUITS AND COMPONENTS INCLUDING 1YEAR
BUT NOT LIMITED TO, CONTACTORS, RELAYS,
SOLENOIDS, PUMPS, SWITCHES, MOTORS
Warranty repairs or replacement claims under this limited warranty must be submitted toBOSS by an authorizedBOSS repair
facility within thirty (30) days of purchaser’s notice of any Warranty Claim. No transportation costs of any kind willbepaidunder
this warranty. Transportation charges to send products to an authorized warranty repair facility shall be the responsibility of the
Purchaser. All returned goods shall be at the Purchaser’s risk and expense. This warranty supersedes all previous BOSS
warranties.