Krueger Crane Systems INC
4699 Colt Road, Rockford, ILL, 61109
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B
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Trouble
Broken Anti-Two-Block switch
Cause
1.
Mechanical damage
2
Electrical damage
Corrective action
1.
Check for mechanical damages. Move lever arm and check if switch is operated by the lever arm.
2
Wires from the cable reel should be connected to terminal No.1 and No.2 on the switch (normally closed). Pull
the lever arm down and the OHM meter should read a closed circuit between No.1 and No.2 (disconnect wires
before checking with OHM meter). When the lever arm is up the OHM meter should read an open circuit on No.1
and No.2. If not replace switch.
ANTI-TWO-BLOCK SWITCH
Phone (815) 874-9402
Telex 25-7498
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