PSR 031-300-100-201, Инструкция по установке, эксплуатации и поиску неисправностей

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WARNING
The cable drum is under high tension. Do not let the length cable spool back without
supporting the cable and leading it back on the drum. Pay attention and watch that the
wraps do not pile up on one side. De-spooling of the length cable can cause damage to the
length sensor. Spooling the length cable without additional support may result in injury or
damage. Use caution and protection when working with the length cable under high tension.
LENGTH CABLE REPLACEMENT PROCEDURE
Replace length cable using the following procedure:
1. Retract the boom fully. Refer to the operators section in this manual and familiarize yourself with
its operation and the LMI bypass. Lower the boom to gain access to the cable reel and boom tip.
2. Switch crane power off.
3. Disconnect damaged length cable from junction box at the boom nose.
4. Remove the cable reel cover face by loosening all 10 screws. The screws should remain secured
to the lid.
CAUTION: Use care and minimal force when removing the wire ends and terminals from the
connections.
5. Remove all connections located at X1:1, 2, 3, 4, 7, and 8. Check the wires to ensure they are
numbered, this will allow an easier installation. (Note: X1:1, 2, 3 and 4 are upgrades for length and
angle sensor and do not need to be reconnected if not used.)
6. Open the strain relief for the 7 conductor cable and pull the cables out of the cable reel.
7. Remove cable reel from mounting brackets.
8. Remove all conductors from X1 and X2 of the slip ring terminal. Refer to Drawing 5 in Section 4.
9. Cut old cable at the backside of the cable drum and remove cable.
10. On the backside of the cable reel, open the strain relief attached to the axle in the center of the
drum. Pull existing length cable out of the cable reel.
11. Pull new length cable through the hole, pipe and strain relief and push it through the axle of the
reeling drum. Tighten strain relief to ensure sealing.
12. Reconnect the length cable to the slip ring terminal. Refer to Drawing 5 in Section 4.
13. Remount cable reel to the boom.
14. Turn reeling drum clockwise to spool the new cable neatly onto the drum.
15. Set preload on cable reel by turning the drum counter-clockwise 5 to 8 turns.
16. Anchor cable at boom point.
17. Connect the length cable into the boom tip junction box. Refer to Drawing 5 in Section 4.
18. Veri
fy A2B operation, Refer to Operator’s section of this manual Section 3.4.
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INSTALLATION, OPERATOR’S & TROUBLESHOOTING MANUAL
ANTI-TWO-BLOCK