Tweco 15mm Cutmaster - Manual (Page 35)

cutmaster 15mm
Manual 0-5178 5-5 SERVICE
6. Faulty component in unit
a. Return for repair or have qualified technician repair per service manual.
L. Torch cuts but not well.
1. Current control is set too low.
a. Increase the current setting.
2. Torch is being moved too fast across work piece
a. Reduce cutting speed.
3. Excessive oil or moisture in torch
a. Hold torch 1/8 inch (3 mm) from clean surface while purging and observe oil or moisture buildup
(do not activate torch). If there are contaminants in the gas, additional filtering may be needed.
4. Torch parts worn
a. Check torch shield cup, cutting tip, start cartridge and electrode. Replace as needed.
M. Gas in torch pulsates 3 times and then stops. AC indicator light blinking.
1. Torch parts not properly installed in torch. There may have been an attempt to remove torch parts without
turning off ON/OFF power switch to OFF on unit.
a.
Check to make sure torch parts are properly installed.
b. Turn ON/OFF switch to OFF and then back to ON.