Installation Guide

MAINTENANCE
1. Repair or replacement of hoist components must be performed only by a qualified technician using
only identical replacement parts with the same rating.
2. Operating mechanisms, limit switches, control systems, and brakes may require adjustment.
3. Note the following regarding specific components:
a. Replace damaged or worn hooks. Do not repair them by welding or reshaping.
b. Replace or repair all critical parts that are cracked, broken, bent, excessively worn, or missing.
c. Replace missing or illegible warning labels.
d. Replace pitted or burned electrical contacts as complete sets.
e. Keep controller function labels on pendant control stations and master switches legible.
4. Do not repair load-sustaining members by welding. Replace them as needed.
5. Lubricate all moving parts regularly using grease.
6. After maintenance work is completed and before restoring the hoist to normal operation:
a. reinstall guards;
b. reactivate safety devices;
c. remove replaced parts and loose material;
d. remove maintenance equipment.
TESTING
1. Before use, test repaired hoists and hoists that have not been used for a year or more.
2. Check all functions of the hoist, including lifting and lowering, with the hoist unloaded first.
3. After testing in the unloaded state, attach a 200 Ib. load and retest to check proper load control
and to check brake operation.
4. Test the trip-setting of limit devices under no-load conditions. Test first by hand, if practical, and
then under slowest speed. Test with increasing speeds up to maximum speed. Check that actuating
mechanisms are located so that they will trip the switches or limiting devices in sufficient time to stop
motion without causing damage to any part of the hoist.
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