Owner`s manual

©2001 MIDWEST FASTENERS, INC. — CD 50 Stud Welder 15
PREVENTIVE
MAINTENANCE
TROUBLESHOOTING
Your MIDWEST FASTENERS welder is designed for long service with
minimal care. Ordinary common sense maintenance will keep it operating
efficiently. The following are a few tips on preventive maintenance.
1. Treat the cables with respect. Avoid sharp bends or kinks which may
break the cables. DO NOT use the cables as a “ towline” to drag or lift
the controller. Avoid damaging or straining the cables where they
enter the gun or controller.
2. Louvers on the sides of the controller should be free from
obstructions at all times to prevent overheating.
3. Keep the controller and gun clean and dry, free of grease, water, dust
and dirt. Do not lubricate any part of your CD 2 weld gun.
4. The weld gun is for welding studs only. Do not use the weld gun as a
multipurpose tool (i.e., Hammer—banging studs to test welds or
break ferrules, Scraper—removing rust, scale or weld splatter, etc.)
When troubleshooting the CD50, the following precautions must be
observed.
1. Controller power must be TURNED OFF!
NOTE: Dangerous voltage levels can still be present in the
controller—even after power is disconnected.
2. The use of a volt/ohmmeter is recommended to verify where any
voltage may, or may not, be present.
3. The use of a continuity tester (or trouble shooting light) can be used
for continuity checking (disconnected) cables only.
The troubleshooting chart on the following pages can assist in locating and
fixing problems with the CD50.
HIGH VOLTAGE