SANY SY500H, Operation And Maintenance Manual

Page: 118 / 196

5-10
MAINTENANCE
SY500H Excavator OMM
Maintenance Schedule
NOTICE!
Failure to perform the following procedures when
and as directed can damage the machine and
cause it to operate improperly.
NOTE: The lubricating intervals listed in the following
tables apply only to normal operating conditions.
In harsh environments, including those with dusty
or corrosive air, extreme temperatures, heavy
loads, frequent operating times, or long duty
cycles, lubricating intervals should be shortened.
Daily Maintenance and Inspection
• Inspect the machine for loose or missing components.
• Clean the cab.
• Lubricate the work equipment. (See page 5-62.)
• Make sure all safety decals are in place and are legible.
• Make sure safety equipment is in place and in
operating condition.
• Check all controls for smooth operation and make sure
they return to the neutral position.
• Check if the engine fan belt is loose or damaged. (See
page 5-17.)
• Check if the air conditioner compressor belt is loose or
damaged. (See page 5-21.)
• Check for fluid leaks.
• Check the operation and maintenance manual. (See
page 1-2.)
• Check the escape tool. (See page 5-58.)
• Check the fire extinguisher. (See page 5-58.)
• Check the engine oil level. (See page 5-14.)
• Check the engine coolant level. (See page 4-5.)
• Check the hydraulic oil level. (See page 5-33.)
• Drain water from the fuel/water separator. (See
page 5-30.)
When Required
• Check the cooling package. (See page 5-20.)
• Check the track tension. (See page 5-51.)
• Check the windshield washer fluid. (See page 5-60.)
• Replace the bucket teeth. (See page 5-57.)
• Replace the bucket. (See page 5-56.)
• Check the air filter if a restriction warning is displayed.
(See page 3-26.)
After the First 50 Hours
• Initial change of the engine oil and filter. (See
page 5-15.)
• Lubricate the swing bearing. (See page 5-53.)
• Drain sediment and water in fuel filter. (See page 5-30.)
• Check air cleaner and connection of air intake line.
(See page 5-12.)
Weekly or Every 50 Hours
• Lubricate the bucket linkage pins. (See page 5-62.)
• Check the batteries. (See page 5-43.)
• Check the hydraulic hoses, lines, and connectors. (See
page 5-34.)
• Check the final drive oil level. (See page 5-47.)
• Check the final drive motor mounting fasteners. (See
page 5-47.)
• Check and adjust the track tension. (See page 5-51.)
Every 100 Hours
NOTE: Make sure all daily and 50-hour maintenance
tasks have been completed before proceeding
with the 100-hour maintenance tasks.
• Lubricate the machine. (See page 5-62.)
Every 250 Hours
NOTE: Make sure all daily, 50-hour, and 100-hour
maintenance tasks have been completed before
proceeding with the 250-hour maintenance tasks.
• Change the engine oil and filter. (See page 5-15.)
• Replace the hydraulic oil filter after 250 hours with a
breaker operating rate above 50%.
• Check the doors and hood. (See page 4-6.)
• Check the track tension. (See page 5-51.)
• Inspect and adjust air conditioner compressor belt
tension. (See page 5-21.)
Every 3 Months or 500 Hours
NOTE: Make sure all daily, 50-hour, 100-hour, and
250-hour maintenance tasks have been
completed before proceeding with the 500-hour
maintenance tasks.
• Lubricate the swing bearing. (See page 5-53.)
• Check the swing grease bath level. (See page 5-55.)