Krueger Crane Systems INC4699 Colt Road, Rockford, ILL, 61109CTroubleShut off and light is on.Cause1. Counterweight is missing2Jumper plug/cable is missing3. Broken relay4. Broken Anti-Two-Block switch5. Broken cable, bad connection - Main Boom circuit6. Broken cable, bad connection - Rooster Sheave, Jib.Correctiveaction1. Refer to page 16.2.Make sure counterweight is free to moveRefer to page 9.3.Refer to A, B,,C on page 11.4. Refer to A, B, C on page 13.5.a.Check wiring and cable for outside damages and loose connections starting from control panel towardsAnti-Two-Block switch..b.Check with an OHM meter (figure 6 on page 7) for an open circuit Take wires off, on terminal No.3 andNo.6 in the control panel. Check at the wires you took off with an OHM meter. If the OHM meter reads aclosed circuit the wiring from the panel to the Anti-Two-Block switch is correct. The trouble is inside thecontrol panel. If it reads an open circuit the problem is between the panel and the Anti-Two-Block switch.cOpen the cable reel and take the wires off the cable reel sliprings. Check for an open circuit at the wiresleading towards the Anti- Two-Block switch. If the OHM meter reads a closed circuit the wiring from thecable reel to the Anti-Two-Block switch is correct. Replace the cable from the control panel to the cablereel.dIf the OHM meter reads an open circuit, open the 6 pin receptacle and disconnect the wires on No.2 andNo.3 coming in from the cable reel. With the jumper plug in, check for an open circuit on No.3 and No.4.If the OHM meter reads a closed circuit the wiring to the Anti-Two-Block switch is correct. Replace thecable on the cable reel.e.If the OHM meter reads an open circuit check the jumper plug. The OHM meter should read a closedcircuit between No.2 and No.4 at the jumper plug. If not replace the jumper plug.6.If the Main Boom wiring is correct check the jumper cables and rubber reel and go down the line to the Jib Anti-Two-Block switch in the same way as you did for the Main Boom circuit.Phone (815) 874-9402Telex 25-7498- 17 -
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
