Product Manual
Page 17 of 22
Maintain the product by adopting a program of conscientious repair and maintenance in accordance
with the following recommended procedures. It is recommended that the general condition of any tool
be examined before it is used. Keep your tool in good repair. Keep handles dry, clean, and free from
oil and grease. The following chart is based on a normal operation schedule.
Maintenance Interval
Maintenance Point
Daily before operating
1. Some components may require adjustment. The following are
examples:
A. Operating mechanisms
B. 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.
5. After maintenance work is completed and before restoring the
crane to normal operation:
A. Reinstall guards and reactivate safety devices;
B. Remove replaced parts and loose material;
C. 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.
4. Check attached cranes, according to manufacturer’s manual.
Yearly maintenance
1. Follow all monthly maintenance procedures.
2. Check for deformed, cracked, or corroded parts, and replace them
as needed.
3. Make sure all the parts as bolts, nuts, pins, or rivets are attached
well.
4. Check for other worn, cracked, or distorted parts such as pins,
bearings, wheels, shafts, gears, rollers, locking and clamping
devices, bumpers, and stops.
5. Check attached cranes, according to manufacturer’s
documentation.