Product Manual

Page 18 of 23
Maintenance Interval
Maintenance Point
Daily before operating
1. Some components may require adjustment. The following
are examples:
A. Operating mechanisms
B. Limit switches
C. Control systems
D. Brakes
2. 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.
3. Do not repair load-sustaining members by welding. Replace
them as needed.
4. Lubrication:
A. Immobilize the crane before lubrication by blocking
casters.
B. Lubricate all moving parts regularly using grease.
Lubricate casters, as shown in the ‘Attaching Casters to
Bases’section.
5. After maintenance work is completed and before restoring
the crane to normal operation:
A. Reinstall guards;
B. Reactivate safety devices;
C. Remove replaced parts and loose material;
D. Remove maintenance equipment.
Monthly maintenance
1. Check operating mechanisms for proper operation, proper
adjustment, and unusual sounds.
2. Check upper limit device(s) of attached cranes, if equipped,
according to manufacturer’s documentation.
3. Check hooks and hook latches (if used), according to
manufacturer’s documentation.