Tweco 51 with SL100SV CutMaster - Manual (Page 83)

Manual 0-4640 5-19 SERVICE
5
H. Gas flows continuously when power is turned on; AC indicator flashes
1. Torch switch is activated (closed) before user turns power on
a. Release torch switch.
2. Faulty torch switch
a. Check torch switch for continuity.
I. Gas cycles on and off when power is turned on; AC indicator flashes
1. Shield cup is loose.
a. Tighten shield cup by hand. Do not overtighten.
2. Torch tip, electrode, or start cartridge missing
a. Turn off power supply. Remove shield cup, install missing parts.
3. Start cartridge is stuck
a. Turn off power supply. Remove shield cup, tip, and start cartridge. Check lower end fitting on start cartridge
for free movement. Replace cartridge if lower end fitting does not move freely.
Art # A-07168
Spring-Loaded Cylinder
at Full Compression
Spring-Loaded Cylinder
at Full Extension
1/8” (3 mm)