ST411C-1A
PARTS, SERVICE
& REPAIR BULLETIN
400 SERIES HEAVY DUTY
STRAIGHT TORCH, TIP SERIES 1
Manual No: 0056-3761 Revision: AA
Issue Date: September 27, 2013
VictorTechnologies.com
Table of Contents
SECTION 1: GENERAL SAFETY INFORMATION ......................................2
1.01 Commonly Used Terms ................................................... 2
SECTION 2: SPECIFICATIONS ................................................................3
2.01 ST411C-1A Victor Straight Torch ....................................3
2.02 Repair Parts List .............................................................. 3
SECTION 3: SERVICE & REPAIR INSTRUCTIONS ...................................4
3.01 Recommended Tools & Supplies for Repair Procedures . 4
3.02 Cleaning Procedures .......................................................4
3.03 Handle for 400 Series Straight Torch ...............................4
3.04 Control Valve Repair Kit ...................................................5
3.05 Cutting Lever ................................................................... 5
3.06 High Pressure (H.P.) Oxy Valve Repair Kit .......................6
3.07 Check Valve Repair Kit .....................................................6
3.08 Fuel and Oxygen Inlet Connections..................................7
3.09 400 Series Head Repair Kit .............................................. 7
3.10 Gas Feed Tubes ............................................................... 8
SECTION 4: TEST PROCEDURES ...........................................................9
4.01 Recommended Tools & Supplies for Test Procedures .....9
4.02 Leak Testing the Torch .....................................................9
4.03 Flame Testing the Torch ...................................................9
SECTION 1: GENERAL SAFETY INFORMATION
Read and understand all safety and operating instructions provided before using this apparatus. RETAIN THESE INSTRUCTIONS IN A
READILY AVAILABLE LOCATION FOR FUTURE REFERENCE.
!
WARNING
DO NOT attempt to use this apparatus unless you are trained in its proper use or are under competent supervision. For your safety, practice
the safety and operating procedures described in this booklet every time you use the apparatus. Deviating from these procedures may result
in fire, explosion, property damage, and/or operator injury. If at any time the apparatus you are using does not perform in its usual manner, or
you have any difficulty in the use of the apparatus, STOP using it immediately. DO NOT use the apparatus until the problem has been corrected!
!
WARNING
Apparatus improperly operated, maintained or repaired can be dangerous. Some parts and accessories manufactured by others may fit
VICTOR apparatus but not conform to VICTOR’s exacting standards. For your own protection, specify and use ONLY VICTOR-made parts and
accessories with your VICTOR apparatus.
!
WARNING
Service or repair of apparatus should be performed only by a qualified repair technician capable of servicing gas apparatus in strict accordance
to applicable Part and Service bulletins for VICTOR manufactured products. Improper service repair, or modification of the product could result
in damage to the product or injury to the operator.
!
WARNING
WARNING: This product contains chemicals, including lead, known to the State of California to cause birth defects and other reproductive
harm. Wash hands after handling.
1.01 COMMONLY USED TERMS
BACKFIRE - The return of the flame into the torch, producing a popping sound. The flame will either extinguish or reignite at the tip.
SUSTAINED BACKFIRE - The return of the flame into the torch with continued burning within the torch. This condition may be accompanied
by a popping sound followed by a continuous hissing or whistling sound.
FLASHBACK - The return of the flame through the torch into the hose and even into the regulator. It may also reach the cylinder. This
condition could possibly cause an explosion in the system.
2
SECTION 2: SPECIFICATIONS
2.01 ST411C-1A VICTOR STRAIGHT TORCH
Cutting Tip Series 1
• Intuitive knobs: color coded, clearly marked lettering with increase/decrease label. Understandable in any language.
• Improved stainless lever provides increased comfort and reduced operator hand fatigue.
• Uses #000 - #8 cutting tips. One torch for all fuel gases (with proper tip).
• Inline stainless tubes for better visibility and reduced prole vs triangular design.
• Efcient universal head mixer reduces torch prole for better visibility. Optimized to use one cutting torch for all fuel gases.
3-1/4
2.02 REPAIR PARTS LIST
21-1/8
All dimensions are approximate.
1-7/8
2-1/2
400 Series Head 90˚
Tip
Nut
Cutting Lever
Gas Feed Tubes
Handle
ST411C-1A
3
Control Valve
Assemblies
High Pressure (H.P.) Oxy Valve
Inlet
Connection
Oxygen
Check
Valves
Inlet
Connection
Fuel
SECTION 3: SERVICE & REPAIR INSTRUCTIONS
3.01 RECOMMENDED TOOLS & SUPPLIES FOR REPAIR PROCEDURES
3/8”, 5/8”, 9/16”, and 11/16” Open-End Wrenches Vise
15/16” Box-End Wrench 45% Silver Solder
3/16” Drift Punch Silver Solder Flux
Small Hammer Loctite® #222 (Part Number 0028-0081)
1/4-20 Bolt Christo-Lube® 129 (Part Number 0034-0021)
Brazing Torch Hand Reamer RT-181
Pliers Fixture RT-148
Phillips Head Screwdriver Air Hose
NOTE
Disconnect the torch from any gas lines or other hardware before beginning any service or repair.
3.02 CLEANING PROCEDURES
Contact your local chemical supplier for recommended cleaning solvents applicable to the metals used in this product. Always use
cleaning solvents in accordance with the manufacturer’s instructions.
WARNING
DO NOT allow nonmetal components (seat, O-rings, dust seal, gaskets) to contact cleaning solvents! Cleaning solvents cause elastomeric
and plastic parts to swell and stress crack. If these parts require cleaning, use a mild soap solution, followed by a thorough rinsing in water.
Dry these parts completely before installing. REPLACE NONMETAL PARTS THAT HAVE COME IN CONTACT WITH OIL, GREASE OR ANY OTHER
PETROLEUM-BASED SUBSTANCE! Petroleum-based substances become dangerously flammable in the presence of oxygen.
3.03 HANDLE FOR 400 SERIES STRAIGHT TORCH
2
1
Item
No.
Handle for 400 Series Straight Torch 0390-0096 1
1 Left Handle 0306-0296* 1
2 Right Handle 0306-0297* 1
3 Long screw (self-threading) 1400-0250* 1
4 Short screw (self-threading) 1400-0251* 2
5 Decal for ST411C-1A 1415-0847* 1
*Sold as part of kit only.
Description Part number Qnty
Figure 3-1
5
4
4
3
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