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1.

Notes on Safety 

 

 

  Before operating this product, you should first thoroughly read this Instruction Manual to operate the 

product correctly. 

 

  Precautions in this Instruction Manual are described to prevent you and others from being injured and 

suffering loss in your property by having the product operated correctly and safely. 

 

 This welding machine is designed and manufactured in due consideration of safety, but you should     

observe the handling precautions described in this Instruction Manual. If you fail to do so, there may 
occur an accident resulting in serious injury or death. 

 

  Various ranks of accidents resulting in injury, death or damage may be caused by the mishandling 

    of devices. The following safety alert symbols and signal words are used throughout this manual to 

identify various hazards and special instructions. 

 

 

DANGER

 

Mishandling may create seriously dangerous situation that could 
cause serious injury or death to personnel.  Limited situation of 
great urgency. 

 

WARNING

 

Mishandling may create a dangerous situation that could cause 
serious injury or death to personnel.   

 

CAUTION

 

Mishandling may create a dangerous situation that could cause 
medium or slight injury to personnel, or material damage. 

 
 

Hazards and special instructions identified by 

 

CAUTION 

are very important as well because 

neglecting them may occasionally cause serious injury or death to personnel.

 

Do follow the instructions 

identified by all three safety alert symbols and signal words because they are all very important. 

                                                         
The meanings of "serious injury", "medium or slight injury" and "material damage" are as follows.   
 

Serious injury 

  Injury with a sequela due to a loss of eyesight, injury, burn (high 

temperature and low temperature), electric shock, a bone fracture, 
poisoning and so on as well as injury that requires hospital 
treatment or long treatment as an outpatient. 

Medium or slight 
injury 

  Injury, burn, electric shock and so on that require no hospital 

treatment nor long treatment as an outpatient.     

Material damage

 

 

  Damage to property, and direct and incidental / consequential 

damage due to the damage to devices. 

         

 

 

Ref.: 

IMPORTANT 

:  IMPORTANT statements identify special instructions necessary 

for the most efficient operation. 

 
 

NOTES ON SAFETY 

Содержание MWP-18

Страница 1: ...examinations for welding experts consultant engineers After thoroughly reading this manual first store it with the warranty in the place where the persons concerned can read at any time Read it again...

Страница 2: ...te a dangerous situation that could cause serious injury or death to personnel CAUTION Mishandling may create a dangerous situation that could cause medium or slight injury to personnel or material da...

Страница 3: ...be done by personnel who have knowledge and technical skill to be able to understand the contents of this manual well and to handle the torch safely 7 This welding torch must not be used for purposes...

Страница 4: ...d gases generated by welding WARNING Ventilate the area sufficiently and wear a welder s shield mask if necessary Fumes and gases generated by welding have a harmful effect on human body Welding in a...

Страница 5: ...of leather apron in order to prevent burns caused by touching heated workpiece spatters slag and arc sparks right after welding 3 WATCH for fire 4 Have a fire extinguisher nearby Operators should know...

Страница 6: ...ion for Welding and Cutting of Containers That Have Held Hazardous Substances American Welding Society Standard AWS F4 1 from American Welding Society National Electrical Code NFPA Standard 70 from Na...

Страница 7: ...because the welding torch might become damaged 3 3 Replacement of Parts CAUTION To prevent burns observe the following Do not directly touch the high temperature parts of a nozzle an electrode and so...

Страница 8: ...ications are described in Table 1 Table 1 Specifications See Figure 1 Type MWP 18 Welding method TIG welding DC positive electrode 300A Max applicable current AC 260A Rated duty cycle 100 Electrode in...

Страница 9: ...h Gas Hose 38 24 5 21 5 5 255 260 173 5 178 5 25 5 42 47 125 5 11 17 17 2 24 3 8 24 UNF 3 8 24 UNF 7 16 20 UNF 7 8 14 UNF 9 16 18 UNF 5 8 18 UNF Coolant Hose Condensing Hose Power Cable Works as both...

Страница 10: ...d as tungsten electrode Table 3 Selection of Electrode Welding method power source Materials of electrode Materials of wokpiece DC TIG welding Ceriated tungsten 2 cerium contained Thoriated tungsten 2...

Страница 11: ...liter min 151 200 4 5 6 7 8 6 8 liter min 7 8 7 10 liter min 201 300 5 6 7 8 8 9 liter min 8 10 12 8 15 liter min Table 6 The Relationship between Nozzle No and Inside Diameter Nozzle No 4 5 6 7 8 10...

Страница 12: ...cording to the shape of the welded and the location to be welded As soon as the length to be stuck out is decided tighten the head of a lea collet body and mount a set screw Fig 2 CAUTION Make sure to...

Страница 13: ...3 kg cm2 Lower than 25 C is desirable for the temperature at the inlet 6 5 Although a cable hose a gas hose and a coolant hose are all protected by hose sheaths DO NOT put anything heavy on top let th...

Страница 14: ...rgon gas has not flowed No arc generated 5 A high frequency has not been generated 1 The length of an arc is too short Electrode damaged 2 The flow rate of an argon gas is not enough 1 The welding cur...

Страница 15: ...ptional 15 H21B12 Collet body 3 2 1 Optional 16 H561C05 Lea collet 3 2 1 17 H561C02 Lea collet 1 0 1 Optional 18 H561C03 Lea collet 1 6 1 Optional 19 H561C04 Lea collet 2 4 1 Optional 20 0870 032 Ceri...

Страница 16: ...trode 1 1 6 150mm ground optional 44 0831 024 Thoriated tungsten electrode 1 2 4 150mm ground optional 45 0831 032 Thoriated tungsten electrode 1 3 2 150mm ground optional 46 0831 010 Pure tungsten el...

Страница 17: ...10 Fig 3 MW P 18 TIG W elding Torch Parts Layout...

Страница 18: ...Instruction Manual of welding torch No 1 K2874 E 1 First edition first printed on 21 January 1999...

Страница 19: ...1 1 937 937 937 937 454 454 454 454 9660 9660 9660 9660 Facs Facs Facs Facs 81 81 81 81 6 6 6 6 6317 6317 6317 6317 2583 2583 2583 2583 Facs Facs Facs Facs 1 1 1 1 937 937 937 937 454 454 454 454 9661...

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