Manitowoc Published 11-06-15, Control # 040-13 5-3
2250 SERVICE/MAINTENANCE MANUAL HOISTS
Wire Rope Removal
To remove wire rope from a load drum:
1. Land load and lower boom onto blocking at ground level.
2. Pay out wire rope from load drum until limit switch stops
drum from turning.
3. Move limit bypass switch to BYPASS position and hold.
4. Operate load drum in lower direction to pay out
remaining wire rope from drum.
Electric Wiring
See the Electric Schematic at the end of Section 3 in this
manual for proper wiring of the limit switch.
Minimum Bail Limit Adjustment
See Figure 5-1 for the following procedure.
1. Loosen lock nut (7) and turn adjusting screw (8) up as
far as possible.
2. Pay out wire rope from drum (4) until rollers (2) are
against lagging with 3 to 4 wraps of wire rope remaining
on drum.
3. Turn adjusting screw (8) down against limit switch roller
(6a) until limit switch “clicks open” and stop.
4. Spool 6-7 wraps of wire rope onto drum, and then pay
out wire rope.
5. Drum must stop when rollers (2) are against drum
lagging with 3 to 4 wraps of wire rope remaining on
drum.
If necessary, turn adjusting screw (8) in or out slightly
and recheck adjustment.
6. Securely tighten lock nut against mounting plate to lock
adjustment.
7. Adjust eyebolt (10) so return spring (9) has sufficient
tension to hold rollers (2) snugly against bare drum.
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