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Manitowoc MLC650 Service Maintenance Manual

Manitowoc MLC650
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Reference Only
Manitowoc Published 09-09-16, Control # 229-09 5-43
MLC650 SERVICE/MAINTENANCE MANUAL HOISTS
5
55
Installation
1. Connect the electrical wires to the new limit switch (1).
a. Remove the limit switch cover (7).
b. Connect the electrical wires, including the jumper
wire, to the correct terminals in the limit switch (see
View C).
c. Install and tighten the cable
restraint connector (6) to
the limit switch (1).
d. Install the limit switch cover.
2. If necessary, reposition the limit switch head as follows.
a. Remove the screws (8).
b. Rotate limit switch head (9) to the position shown
(see View B).
c. Install the screws (8).
3. Install the limit switch arm (2) onto the limit switch shaft
(11). Do not tighten the screw (10) at this time (see
View A).
4. Using the screws (5), install the limit switch (1).
Adjustment
1. Slowly turn the limit switch shaft (11) clockwise (as
viewed from shaft end) until the limit switch clicks open,
then hold the shaft.
2. Adjust the limit switch arm (2) 40° from the horizontal
position (see View B).
3. Adjust the limit switch position so that it will trip when the
pawl is fully disengaged from the drum.
4. Tighten the screw (10) to secure the limit switch arm (2)
to the limit switch shaft (11) and lock adjustment.
Weekly Maintenance
Inspect and test the limit switch device weekly or every 40
hours of operation as follows.
1. Inspect each limit switch arm for freedom of movement.
2. Inspect the entire length of each electrical cable for
damage.
3. Make sure the electrical cables are clear of all moving
parts and that cables are securely fastened with nylon
straps.
4. Make sure that all plugs are securely fastened.

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Manitowoc MLC650 Specifications

General IconGeneral
BrandManitowoc
ModelMLC650
CategoryConstruction Equipment
LanguageEnglish

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