Tweco 38 CutMaster - Manual (Page 38)

SERVICE 5-10 Manual 0-2888
I. Low cutting output
1. Incorrect setting of CURRENT (A) control
a. Check and adjust to proper setting.
2. Faulty components in unit
a. Return for repair or have qualified technician repair.
J. Limited output with no control
1. Poor input or output connections
a. Check all input and output connections.
2. Work cable connection to work piece is poor
a. Make sure that work cable has a proper connection to a clean, dry area of the workpiece.
3. Faulty components in unit
a. Return for repair or have qualified technician repair per Service Manual.
K. Erratic or improper cutting output
1. Poor input or output connections
a. Check all input and output connections.
2. Poor work cable connection
a. Make sure that work cable has a proper connection to a clean, dry area of the workpiece.
3. Fluctuations in input power
a. Have electrician check input line voltage.
L. Difficult Starting
1. Worn torch parts (consumables)
a. Shut off input power. Remove and inspect torch shield cup, tip, starter cartridge, and electrode. Replace
electrode or tip if worn; replace starter cartridge if end piece does not move freely; replace shield cup if
excessive spatter adheres to it.