Grove Published 07-06-2017, Control # 406-03 6-3
CD5520/YB5520 OPERATOR MANUAL MAINTENANCE
Anti-Double-Blocking System
• Check that the system is working properly.
Controls
• Check that all controls are working properly.
After First 50 Hours Of Operation (New
Cranes)
Engine
• Change the engine oil and filter.
Transmission
• Change the transmission oil filter.
Swing Gearbox
• Check and tighten mounting bolts.
Hoist Gearbox
• Check and tighten mounting bolts.
Swing Gear Pinion and Swing Gear
• Lubricate.
Grease Fittings
• Apply grease to all grease fittings.
Boom Cables
• Inspect cables for looseness and tighten.
Boom Slides
• Lubricate.
Wheel Mounting Nuts
• Check Torque.
Cranes Not In Regular Use
A crane which has been idle for a period of one month or
more, but less than six months, must be given an inspection
by a qualified person. This person should use the daily
through monthly inspections.
A crane which has been idle for a period of over 6 months
must be given a complete inspection covering all inspections
through one year, by a qualified person.
Standby cranes must be inspected using the daily through
monthly inspection, by a qualified person.
PREVENTIVE MAINTENANCE
Maintenance Schedule and Checklist
NOTE: Hour intervals in each maintenance chart show the
correct time for service. The hourmeter located in
the operator’s cab indicates the total hours the
crane has been running.
In addition to the following scheduled maintenance,
perform the scheduled maintenance suggested in
the engine manual furnished with the crane.
When performing maintenance, do the required
maintenance interval as well as all previous interval
maintenance. For example, when performing the
250 hour (monthly) maintenance interval, perform
all the tasks required for daily, 50 hour and 100
hour maintenance.
Reference Only
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