572R Pipelayer Caterpillar

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Do not use a wire rope cable that is kinked, frayed or has worn spots. Wear gloves when handling the wire rope cable.

Weld the ends of the cable in order to prevent fraying.

1. Lower the boom to the horizontal position.

2. Unwind the cable.

3. Disconnect the cable from the load drum.

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NOTICE
Unroll the wire rope cable from the spool. Never lift the wire rope off the spool in coils.

4. Unroll the new cable from the spool.

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Illustration 1	g00430679
The winch drum for the hook load line is located below the winch drum for the boom. The winch drum for the hook load line does not show in the photo illustration.

5. Install the cable to the winch drum for the hook load line. Insert the end of the cable downward through the slot in the drum. Form a loop and insert the cable end upward through the slot. Insert the wedge into the loop in the cable. Pull the cable in order to seat the wedge and the cable in the pocket.

6. Wind one half of the cable evenly across the load drum.

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Illustration 2	g00429258

7. Install the hook load line from the winch drum onto the sheave blocks. Position the cable over upper sheave (1) , under lower sheave (2) , over upper sheave (3) , and under lower sheave (4) .

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Illustration 3	g00429358

8. Insert the cable into the pocket and around wedge (5) .

9. Insert the cable end through clamp (6) . Tighten the nuts on the clamp.

   Note: The cable should go over upper sheave (1) toward the front of the machine. Anchor the cable toward the rear of the machine.