Ford — Boom Wire Rope Adjustment (Four Piece Boom)

Adjustments · Boom wire ropes

From a Ford service manual covering: MP 110, MP 95, MPH 80. Check it applies to your exact model before use.

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Procedure

1. Fully retract the boom; put match mark A on the inner mid boom, B on the outer mid boom and C on the tip boom flush with the preceding section end.
2. Extend the boom approximately 7 ft (2 M) and remove power; check the outer mid boom (third stage) extend wire rope tension by hand.
3. Tighten the adjusting nut on the loosest wire ropes until all four wire ropes are tensioned equally.
4. Torque the adjusting nut on the outer mid boom (third stage) retract wire rope to 30 ft. lbs. (40.68 Nm).
5. Fully retract the boom while watching the match marks; extend approximately 6 ft and remove power as soon as one match mark aligns.
6. Determine the remaining stroke to fully retract the boom.
7. If the remaining stroke is greater than 1/8 in (3.2 mm), adjust the extend and retract wire rope adjusting nuts as specified in the manual.
8. Repeat until the remaining stroke is 1/8 in (3.2 mm) or less.
9. Recheck the retract wire rope adjusting nut torque at 30 ft. lbs. (40.68 Nm) and tighten the locking nuts.
10. Repeat the procedure for the tip boom (fourth stage) extend and retract wire ropes.
11. Recheck the torque on all extend and retract wire ropes and ensure all lock nuts are installed and jammed.
12. Install the inspection cover on the top of the base boom section.

Source: Ford service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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