ESAB PT-19XL Mechanized Plasmarc Cutting Torch Troubleshooting instruction

INSTRUCTIONS for
F-15-147-A
January, 1996
PT-19XL MECHANIZED
PLASMARC CUTTING TORCH
CAUTION
!
These instructions are for experienced operators. If you are not fully familiar with the principles of operation and safe practices for arc welding equipment, we urge you to read our booklet, “Precautions and Safe Practices for Arc Welding, Cutting and Gouging,”, Form 52-529. Do NOT permit untrained persons to install, operate, or maintain this equipment. Do NOT attempt to install or operate this equipment until you have read and fully understand these instructions. If you do not fully understand these instructions, contact your supplier for further information. Be sure and read the Safety Precautions (pages 2 & 3) before installing or operating this equipment.
SECTION 1 INTRODUCTION
1.1 INTRODUCTION
The PT-19A is a mechanized torch designed for plasma arc cutting without water injection. The torch is water cooled for long consumable life at high currents.
1.2 AVAILABLE MODELS
P/N 34956 Torch Assembly PT-19XL 4-1/2 ft.* P/N 34093 Torch Assembly PT-19XL 6 ft.* P/N 34094 Torch Assembly PT-19XL 12 ft.* P/N 34090 Torch Assembly PT-19XL 15 ft.* P/N 34095 Torch Assembly PT-19XL 17 ft.* P/N 34091 Torch Assembly PT-19XL 20 ft.* P/N 34092 Torch Assembly PT-19XL 25 ft.* P/N 20390 Torch Assembly PT-19XL 50 ft**
*Used on the ESP-1000 Plasma Cutting Outfits with ESP UL TRA-LIFE 300 or ESP-400 P ower Sources. Also used on PCM-1500 console units modified for use with PCC­12 control. **Used on PCM-150 or PCM-1500 console units with PCC-11 control.
NOTE
All of the above torches can be used with PCM-8XL pack­ages. Use of 34090 through 34095 with PCC-11/PCM­150 packages require modification of PCC-11 control (see Section 3).
NOTICE:
various U.S. and foreign patents with additional patents pend­ing. It is the policy of ESAB Welding & Cutting Products to react vigorously to patent infringement of unauthorized manufac­ture, sale, or use of its patented products or spare parts.
This torch and its components are protected by
DANGER
!
High Voltage can kill
Disconnect Power supply from incoming electrical power before touching or servicing the torch. Metal parts of the torch can be at high voltage.
DANGER
!
PLASMA Cutting can produce Deadly Fumes, Fire, or Explosion.
• Gases used for plasma cutting can cause suffoca­tion, fire, or explosion.
• Loud noise from plasma cutting can cause hear­ing loss.
Table 1-1. PT-19XL Specifications
Current Rating Duty Cycle Diameter of Torch Length of Torch W/O
Leads Cooling Requirements
Gas Consumption (Arc On)
(150 A w/PCM-150 0r PCM-1500)
15.5 inches (393.7mm)
0.75 gpm min. @ 90 psig (150 A)
1.00 gpm min. @ 120 psig (250 A)
100%
2 in. (50.8mm)
35 cfh (50 A)
65 cfh (150 AA)
110 cfh (250A)
Be sure this information reaches the operator. You can get extra copies through your supplier.
ESAB
ESAB Welding & Cutting Products
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USER RESPONSIBILITY
This equipment will perform in conformity with the description thereof contained in this manual and accompanying labels and/or inserts when installed, operated, maintained and repaired in accordance with the instructions provided. This equipment must be checked periodically. Defective equipment should not be used. Parts that are broken, missing, worn, distorted or contaminated should be replaced immediately. Should such repair or replacement become necessary, the manufacturer recommends that a telephone or written request for service advice be made to the Authorized Distributor from whom purchased.
This equipment or any of its parts should not be altered without the prior written approval of the manufacturer. The user of this equipment shall have the sole responsibility for any malfunction which results from improper use, faulty maintenance, damage, improper repair or alteration by anyone other than the manufacturer or a service facility designated by the manufacturer.
PT-19A PLASMARC CUTTING TORCH
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SECTION 2
REQUIRED EQUIPMENT
2.1 AIR CUTTING - 150 AMPS*
A. PCC-11/PT-19XL Package P/N 604472
Which includes: PCC-11 Control, P/N 16367
PT-19XL Torch, 50 ft Lines, P/N 20390 PT-19XL Start-Up Kit, P/N 20964 Gas Hose, 12.5 ft, P/N 40V77 Water Hose (2), 3 ft, P/N 20634 Air Hose, 30", P/N 678152 WC-8C Coolant Circulator, P/N 33739 Work Cable, 50 ft, P/N 678724 Mounting Bracket, P/N 20961 Adaptor, Pilot Arc, P/N 19497
*For oxygen cutting up to 150 amps, use above re­quired equipment and replace air regulator P/N 30338 with oxygen regulator P/N 998336 and add oxygen hose P/N 678725.
B. PCM-150 (P/N 30850) or PCM-1500 (P/N
680851) Power Source C. Air Regulator, P/N 30338 D. Nitrogen Regulator, P/N 998343 (Cylinder) or
P/N 19155 (Station)
E. Torch Coolant (1 gal.), P/N 156F05. Four
gallons of coolant will be required.
1 - Electrode Holder .................................P/N 34084
5 - Nozzle, 50A.........................................P/N 34730
5 - Nozzle, 150 A......................................P/N 21821
5 - Nozzle, 250A.......................................P/N 21822
4 - Gas Swirl Baffle.................................P/N 948142
1- Nozzle Retaining Cup ..........................P/N 34085
1- Insulator Assembly...............................P/N 20434
1- Contact Ring Assembly........................P/N 20395
10 - O-Ring............................................. P/N 86W85
10 - O-Ring............................................. P/N 996526
20 - O-Ring............................................. P/N 951000
20 - O-Ring............................................. P/N 996528
10 - O-Ring............................................. P/N 86W99
20 - O-Ring............................................. P/N 85W10
1- Nozzle & Electrode Stem Tool ...........P/N 999630
1- Electrode Tip Removal Tool ............... P/N 996568
1- Hex Wrench, 1/16" .........................P/N 93750006
1- Silicone Grease.................................... P/N 17672
2 - Heat Shield 50A .................................. P/N 34885
2 - Heat Shield 150/250A ....................... P/N 948186
B. Torch Mounting
1. Torch Clamp Assembly, P/N 598707, or Univer­ sal Clamp Assembly, P/N 598699, is required for mounting the PT-19XL. For stationary or boom mounting, the following parts may also be needed: Rack & Tube Assembly, P/N 39V35 Torch Adjustment Assembly, P/N 40V26 Adjustable Slide, P/N N25V39 Angle Bracket, P/N 29N04 Clamp Insulator Bushing P/N 996342
2.3 OXYGEN CUTTING - 260 AMPS WITH ESP-1000 SYSTEM
A. ESP-1000 System, contact your ESAB Sales Representative.
B. ESP-300, P/N 33520, or ESP-400, P/N 33518.
2.4 ACCESSORIES
A.PT-19XL Torch Spare Parts Kit, P/N 34314--
Recommended for maintaining the PT-19XL torch with minimum downtime. The kit contains the follow­ing PT-19XL parts and tools:
4 - Electrode, Long ................................... P/N 34086
4 - Electrode, Long N2/ArH2......................P/N 34557
PT-19XL PLASMARC CUTTING TORCH
2. For mounting on a CM-37 Carriage, mounting kit P/N 993092 may be used. The kit contains Clamp Assembly P/N 598707.
3. For cutting machine operation, the torch will mount on a standard PT-15 torch mounting setup.
C. Air Curtain Kit - P/N 34752 , consisting of :
21549 Air Curtain Assembly 33383 Control Panel
34033 Hose, 50 ft. The air curtain directs a flow of air around the arc which permits underwater cutting with O2 gas. See Form 15-128 for details.
Note: Underwater cutting cannot be done with 50A nozzle.
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