1. Utangulizi
This manual provides detailed instructions for the safe and efficient operation of your Weytoll 4-in-1 MIG/MMA/MAG/TIG 160A Welding Machine. Please read this manual thoroughly before using the equipment to ensure proper setup, operation, and maintenance. Keep this manual for future reference.
2. Maagizo ya Usalama
ONYO: Kulehemu kunaweza kuwa hatari. Daima fuata tahadhari za usalama ili kuzuia majeraha au kifo.
- Ulinzi wa Macho: Always wear a welding helmet with appropriate shade lenses to protect your eyes from arc rays.
- Ulinzi wa Mwili: Wear flame-resistant clothing, gloves, and safety shoes to protect against sparks, heat, and electric shock.
- Uingizaji hewa: Ensure adequate ventilation to remove welding fumes and gases, which can be hazardous to your health.
- Kuzuia Moto: Keep a fire extinguisher nearby. Remove all flammable materials from the welding area.
- Usalama wa Umeme: Hakikisha mashine ya kulehemu imetulia vizuri. Usifanye kazi katika hali ya unyevunyevu. Kagua nyaya kwa uharibifu kabla ya kila matumizi.
- Mitungi ya Gesi: If using shielding gas, secure cylinders properly and handle them with care.
- Watoto na Watazamaji: Weka watoto na wafanyakazi wasioidhinishwa mbali na eneo la kulehemu.
3. Yaliyomo kwenye Kifurushi
Upon unpacking, verify that all items listed below are present and undamaged. If any items are missing or damaged, contact your supplier immediately.

Figure 3.1: Included accessories with the welding machine.
- 1 x Weytoll Welding Machine
- Kishikilia Electrode 1 x
- 1 x 300A Welding Clamp (Ground Clamp)
- 1 x Roll of Welding Wire
- Barakoa 1 ya Kulehemu
- 1 x Steel Brush
- 1 x User Guide (This manual)
4. Bidhaa za Bidhaa
The Weytoll 4-in-1 Welding Machine is designed for versatility and performance, offering multiple welding processes in a compact unit.

Kielelezo 4.1: Zaidiview sifa muhimu za mashine ya kulehemu.
- Multifunctional Welding: Supports MIG (Gas & Gasless), MMA (Stick), MAG, and TIG welding processes.
- Kuonyesha kwa Digital: Large digital screen for clear display of welding current/voltage and convenient operation.
- Vigezo Vinavyoweza Kurekebishwa: Kulehemu voltage and wire feed speed are adjustable to match material thickness.
- Ulinzi Nyingi: Equipped with over-temperature, over-current, and over-voltage protection for enhanced safety and reliability.
- Teknolojia ya IGBT: Utilizes IGBT high-frequency inverter technology for stable electric arc, minimal splashing, and strong welding ability.
- Upoezaji Ufanisi: Features multiple exhaust holes and a built-in high-efficiency cooling fan to dissipate heat and extend machine lifespan.
5. Kuweka
Uunganisho wa Nguvu 5.1
- Ensure the power switch on the machine is in the "OFF" position.
- Connect the power cable to a suitable 220V power outlet. The machine requires a stable power supply.
5.2 Ground Clamp Muunganisho
- Unganisha cl ya ardhiamp cable to the appropriate terminal on the front panel of the welding machine.
- Ambatisha ardhi clamp salama kwenye sehemu ya kazi au meza ya kulehemu, kuhakikisha mgusano mzuri wa umeme.
5.3 Welding Wire Installation (MIG/MAG)

Figure 5.1: Automatic wire feeding mechanism and installation steps.
- Open the side cover of the machine to access the wire feeder compartment.
- Weka waya wa kulehemu kwenye spindle, uhakikishe inazunguka kwa uhuru.
- Thread the welding wire through the wire feeder mechanism, ensuring it passes through the drive rollers and into the liner.
- Adjust the tension of the drive rollers to prevent slipping or crushing of the wire.
- Funga kifuniko cha upande.
5.4 Gas Connection (MIG/MAG with Gas)
- Connect the gas hose from your shielding gas cylinder (e.g., CO2 for MIG solid wire) to the gas input port on the rear of the welding machine.
- Hakikisha miunganisho yote ni imara ili kuzuia uvujaji wa gesi.
- Open the gas cylinder valve and adjust the flow rate using a regulator.
6. Maagizo ya Uendeshaji
6.1 Kuwasha na Uteuzi wa Hali

Figure 6.1: Front and rear panel controls.
- Turn the power switch to the "ON" position. The digital display will illuminate.
- Use the mode selection button (often labeled "MMA-TIG one piece switching" or similar) to choose your desired welding process: MIG, MMA, MAG, or TIG.
6.2 Marekebisho ya Vigezo

Figure 6.2: One-click mode conversion and weld exampchini.
- Ya sasa / Voltage: Use the control knobs on the front panel to adjust the welding current (A) and voltage (V) according to the material thickness and welding process. The digital display will show the current settings.
- Wire Feed Speed (MIG/MAG): Adjust the wire feed speed knob. This is often linked to voltage for optimal MIG/MAG performance.
6.3 Welding Process Specifics

Figure 6.3: MIG/MAG/TIG and MMA welding in action.
6.3.1 MIG/MAG Welding (Gas-Shielded)
- Ensure gas cylinder is connected and gas flow is set.
- Use solid wire (e.g., 0.8mm for CO2 gas).
- Press the trigger on the MIG torch to initiate the arc and wire feed.
6.3.2 Gasless MIG Welding (Flux-Cored)
- No shielding gas required. Use flux-cored wire (e.g., 0.8mm - 1.0mm).
- Ensure polarity is set correctly for flux-cored wire (refer to wire manufacturer's instructions).
- Press the trigger on the MIG torch to initiate the arc and wire feed.
6.3.3 Ulehemu wa MMA (Fimbo)
- Unganisha kebo ya kishikilia elektrodi kwenye terminal chanya (+) na cl ya ardhiniamp to the negative (-) terminal (or vice-versa, depending on electrode type).
- Ingiza elektrodi kwenye kishikilia.
- Strike the arc by lightly touching and quickly lifting the electrode from the workpiece.
- Recommended electrode thickness: 1.6mm - 3.2mm.
6.3.4 TIG Welding
- Connect the TIG torch (not included in standard package) and gas supply (Argon).
- Ensure the tungsten electrode is properly ground.
- Initiate the arc (lift arc or high-frequency start, depending on machine features).
6.4 Welding Current Setting Reference
Refer to the table below for recommended welding current and voltage settings based on electrode diameter for MMA welding.

Figure 6.4: Reference table for welding current settings.
| Electrode dia. (mm) | Njia ya kulehemu inayopendekezwa (A) | Ilipendekeza kulehemu voltage (V) |
|---|---|---|
| 1.0 | 20-60 | 20.8-22.4 |
| 1.6 | 44-84 | 21.76-23.36 |
| 2.0 | 60-100 | 22.4-24.0 |
| 2.5 | 80-120 | 23.2-24.8 |
| 3.2 | 108-148 | 23.32-24.92 |
| 4.0 | 140-180 | 24.6-27.2 |
| 5.0 | 180-220 | 27.2-28.8 |
7. Matengenezo
Matengenezo ya mara kwa mara huhakikisha uimara na uendeshaji salama wa mashine yako ya kulehemu.
- Kusafisha: Regularly clean the machine's exterior with a dry cloth. Use compressed air to blow out dust from inside the machine, especially the cooling vents, at least once a month or more frequently in dusty environments. Ensure the machine is unplugged before cleaning.
- Ukaguzi wa Cable: Inspect all welding cables, power cords, and gas hoses for cuts, abrasions, or loose connections before each use. Replace damaged components immediately.
- Kilisha waya: Clean the wire feeder rollers and guide tubes regularly to prevent wire feeding issues. Check for wear on the drive rollers.
- Torch/Electrode Holder: Clean the MIG torch nozzle and contact tip. Replace worn contact tips. Ensure the MMA electrode holder jaws are clean and grip electrodes securely.
- Hifadhi: Store the welding machine in a clean, dry environment when not in use.
8. Utatuzi wa shida
Sehemu hii inashughulikia masuala ya kawaida ambayo unaweza kukutana nayo. Kwa matatizo ambayo hayajaorodheshwa hapa, wasiliana na usaidizi kwa wateja.
| Tatizo | Sababu inayowezekana | Suluhisho |
|---|---|---|
| Mashine haiwashi | No power supply; Power switch off; Faulty power cable/plug | Check power outlet; Ensure switch is ON; Inspect and replace cable if damaged. |
| No welding arc (MMA) | Poor ground connection; Incorrect current setting; Wet electrode; Faulty electrode holder | Ensure good ground contact; Adjust current; Use dry electrodes; Check electrode holder. |
| Wire not feeding (MIG/MAG) | Wire spool tangled; Drive rollers loose/worn; Contact tip clogged; Liner blocked | Untangle wire; Adjust/replace rollers; Clean/replace contact tip; Clean/replace liner. |
| Ubora duni wa kulehemu | Incorrect settings (current/voltage/wire speed); Improper technique; Contaminated workpiece; Insufficient gas flow (MIG/MAG) | Adjust settings; Practice technique; Clean workpiece; Check gas supply and flow rate. |
| Ulinzi wa joto kupita kiasi umewashwa | Exceeded duty cycle; Insufficient ventilation; Blocked cooling vents | Allow machine to cool down; Ensure proper ventilation; Clean cooling vents. |
9. Vipimo
Technical specifications for the Weytoll 4-in-1 Welding Machine.
| Kigezo | Thamani |
|---|---|
| Mfano | Schweißgerät 4in1 |
| Uingizaji Voltage | 220V |
| Pato la Sasa (A) | 20A-300A |
| Power Capacity (KVA) | 7.4 |
| Mara kwa mara (HZ) | 50/60 |
| Pato Voltage (V) | 16.5-24 |
| Ukadiriaji wa Mzunguko wa Wajibu (%) | 60 |
| Kipengele cha Nguvu | 0.85 |
| Ufanisi (%) | 85 |
| Wire Feeding Style | Ndani |
| Wire Feed Speed (m/min) | 3.6-12 |
| Post-Flux Time (S) | 0.5±1 |
| Shahada ya insulation | F |
| Housing Protection Index | IP21 |
| Ukubwa wa Kijiko cha Waya cha Juu Zaidi | Φ200 |
| Halijoto ya Mazingira | -10 ℃ hadi 40 ℃ |
| Mwinuko | ≤ mita 1000 |
| Relative Humidity (40°C) | ≤ 50% |
| Relative Humidity (20°C) | ≤ 90% |
| Vipimo vya Kipengee | 375 x 245 x 160 mm |
| Uzito wa Kipengee | 6740 g |
| Vipimo vya Kifurushi | 470 x 225 x 400 mm |
| Uzito wa Kifurushi | 7000 g |
10. Udhamini na Msaada
Kwa taarifa za udhamini au usaidizi wa kiufundi, tafadhali rejelea hati zilizotolewa na ununuzi wako au wasiliana na muuzaji/mtengenezaji moja kwa moja. Weka uthibitisho wako wa ununuzi kwa madai ya udhamini.
Manufacturer: Weytoll