Quarterly service - MIG, TIG, stick and multi-process welding machines
Estimated duration: 45 minutes - 1.5 hours • Frequency: every 3 months
Equipment Details
| # | Service Action | Type | Done | Notes |
|---|---|---|---|---|
| Power Supply | ||||
| 1 | Inspect power cable and plug (damage, earth pin, insulation) | INSPECT | ☐ | |
| Welding Circuit | ||||
| 2 | Check welding leads and connectors (damage, burns, loose) | CHECK | ☐ | |
| 3 | Check earth clamp and earth cable (clean contact surfaces) | CHECK | ☐ | |
| Wire Feed System (MIG) | ||||
| 4 | Inspect wire feeder mechanism (drive rollers, inlet/outlet guides, tension) | INSPECT | ☐ | |
| 5 | Check wire liner condition (replace if kinked or worn) | CHECK | ☐ | |
| Gas System | ||||
| 6 | Inspect gas system (regulator, flow meter, hoses, fittings - leak test) | INSPECT | ☐ | |
| Torch / Gun | ||||
| 7 | Clean or replace contact tip and nozzle (MIG/TIG) | REPLACE | ☐ | |
| 8 | Inspect torch/gun assembly (trigger, neck, handle, cable) | INSPECT | ☐ | |
| Internal | ||||
| 9 | Clean machine interior with compressed air (remove dust, metal particles, spatter) | CLEAN | ☐ | |
| Cooling (water-cooled systems) | ||||
| 10 | Inspect cooling system (coolant level, flow, hoses) | INSPECT | ☐ | |
| Output Testing | ||||
| 11 | Test output (voltage and amps against settings) | TEST | ☐ | |
| General | ||||
| 12 | Inspect machine casing and wheels/frame | INSPECT | ☐ | |
| 13 | Check duty cycle indicator (if fitted) | CHECK | ☐ | |
Consumable Specifications (General Guide)
| Item | Type / Grade | Notes |
|---|---|---|
| Shielding gas | Argon, CO2 or mixed (per process) | Check regulator and flow rate |
| Torch coolant | Water-cooled systems only | Top up as required |
| Contact cleaner | Electrical contact cleaner spray | For connections and switches |
Consumable requirements vary by welding process and machine model. Always refer to the manufacturer's service manual for your specific machine.
Parts / Consumables Required
| # | Part / Consumable | Part Number | Qty | Ready |
|---|---|---|---|---|
| 1 | Contact tips (MIG/TIG) | 2-5 | ☐ | |
| 2 | Nozzle (MIG/TIG) | 1 | ☐ | |
| 3 | Wire liner (if replacing) | 1 | ☐ | |
| 4 | Drive rollers (if worn) | 1 set | ☐ | |
| 5 | Torch coolant (water-cooled) | As req. | ☐ | |
| 6 | Compressed air, contact cleaner, rags | - | ☐ |
Notes / Defects Identified
Next Service Due
Technician
Supervisor / Workshop Manager