ESAB A22 POB Simplified Service Manual
A22 POB
Tubeplate welding tools
Simplified service manual
334 771--001 9611
LIST OF CONTENTS Page
SAFETY 4...........................................................
TECHNICAL DESCRIPTON 5..........................................
INSTALLATION 6.....................................................
OPERATION 10.......................................................
MAINTENANCE 10....................................................
SELECTION TABLE 11.................................................
ACCESSORY SET FOR INTERNAL WELDING 12.........................
ACCESSORY SET FOR EXTERNAL FILLET WELDING 13.................
ACCESSORY SET FOR WELDING TITANIUM 14.........................
WORKING RANGE 15.................................................
DIMENSION DRAWING 16.............................................
DIAGRAM 17.........................................................
CONNECTION DIAGRAM 18...........................................
SPARE PARTS LIST A22 POB 21.......................................
Rights reserved to alter specifications without notice
WARNING
ARC WELDING AND CUTTING CAN BE INJURIOUS TO YOURSELF AND OTHERS.
TAKE PRECAUTIONS WHEN WELDING. ASK FOR YOUR EMPLOYER’S SAFETY
PRACTICES WHICH SHOULD BE BASED ON MANUFACTURERS’ HAZARD DATA.
ELECTRIC SHOCK -- Can kill
S Install and earth the welding unit in accordance with applicable standards.
S Do not touch live electrical parts or electrodes with bare skin, wet gloves or
wet clothing.
S Insulate yourself from earth and the workpiece.
S Ensure your working stance is safe.
FUMES AND GASES -- Can be dangerous to health
S Keep your head out of the fumes.
S Use ventilation, extraction at the arc, or both, to keep fumes and gases from
your breathing zone and the general area.
ARC RAYS -- Can injure eyes and burn skin.
S Protect your eyes and body. Use the correct welding screen and filter lens
and wear protective clothing.
S Protect bystanders with suitable screens or curtains.
FIRE HAZARD
S Sparks (spatter) can cause fire. Make sure therefore that there are no
inflammable materials nearby.
MALFUNCTION
S Call for expert assistance in the event of malfunction.
READ AND UNDERSTAND THE INSTRUCTION MANUAL BEFORE
INST ALLING OR OPERATING THE EQUIPMENT
PROTECT YOURSELF AND OTHERS!
-- 3 --mvarnen1
SAFETY
SAFETY
Users of ESAB welding equipment have ultimate responsibility for ensuring that anyone who works on or near the equipment observes all the relevant safety precautions.
Safety precautions must meet the requirements that apply to this type of welding
equipment.
The following recommendations should be observed in addition to the standard regulations that apply to the work place.
All work must be carried out by trained personnel who are familiar with the operation
of the welding equipment.
Incorrect operation of the equipment may lead to a hazardous situation which can
result in injury to the operator and damage to the equipment.
1. Anyone who uses the welding equipment must be familiar with:
S its operation
S the location of e mergency stops
S its function
S relevant safety precautions
S welding
To make this easier each switch, pushbutton or potentiometer is marked with a
symbol or text that indicates its function when activated.
2. The operator must ensure that:
S no unauthorized person is stationed within the working area of the equipment
when it is started up.
S that no--one is unprotected when the arc is struck
3. The work place must:
S be suitable for the purpose
S be free from draughts
4. Personal safety equipment
S Always wear recommended personal safety equipment, such as safety
glasses, flame--proof clothing, safety gloves.
S Do not wear loose--fitting items, such as scarves, bracelets, rings, etc., which
could become trapped or cause burns.
5. General precautions
S Make sure the return cable is connected securely.
S Work on high voltage equipment may only be carried out by a qualified
electrician.
S Appropriate fire extinquishing equipment must be clearly marked and close
at hand.
S Lubrication and maintenance must not be carried out on the equipment dur-
ing its operation.
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TECHNICAL DESCRIPTION
The POB tube plate welding tool is intended for TIG--welding of tubes into flat tube plates.
It is suitable f or all types of weld joints, in certain cases using extra equipment.
The POB 12--60 welding tool is intended for use together with a spindle and a centering mandrel
according to the selection table on page 11.
POB 12--60 is intended for use with the power sources MECHTIG 315 INVERTER,
PROTIG 315 INVERTER, PROTIG 250 and PROWELDER 250
TECHNICAL DATA
Max. continuous welding current 180 A/60 %
Max. pulsed welding current 200 A/60 %
Working range:
base specification
with titanium welding kit
with external fillet welding kit
with internal welding kit
Electrode angle for:
butt welding
internal fillet welding
external fillet welding
internal welding
Electrode diameter 1.6 and 2.4 mm
Speed of rotation 0.3--4.5 r.p.m
Wire feed speed 0.15-- 1.5 m/min
Wire diameter 0.8 and 0.91 mm
Length of welding cable 8m
Weight
tool
cable and hose bundle
A22 POB
12--60 mm
12--60 mm
12--60 mm
according to designation
(See page 15)
parallel with tube axis
30_ to tube axis
15_ to tube axis
90_ to tube axis
4.5 kg
4.5 kg
Order no.
POB 12--60, base version with wire feed unit 333 893--881
Base version can be fitted with accessory kits for
-- external fillet welding
-- titanium welding
-- internal welding diameter:
9.5--15 mm
15--20 mm
20--30 mm
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333 897--880
441 000--880
441 131--880
441 132--880
441 133--880
When ordering an accessory set for internal welding, please indicate both the inner diameter
(D) of the tube and the distance of the welding joint to the outside (A) of the plate.
-- 5 --cra1d1ea
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