Every 6 Months Or 1000 Hours; Every 1500 Hours; Annually Or Every 2000 Hours - SANY SY35U Operation And Maintenance Manual

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SY35U Excavator OMM
Clean the radiator, oil cooler, and air conditioner condenser fins. (See page 5-42.)
Lubricate the swing bearing. (See page 5-80.)
Lubricate the swing pinion gear. (See page 5-81.)
Replace the hydraulic tank breather filter. (See page 5-58.)
Replace the primary fuel filter. (See page 5-49.)
Replace the secondary fuel filter. (See page 5-48.)
Replace the engine secondary air filter. (See page 5-36.)
Collect engine oil sample. (See page 5-31.)
Collect hydraulic oil sample. (See page 5-64.)
Collect final drive oil samples (both sides). (See page 5-74.)

Every 6 Months or 1000 Hours

Make sure all daily, 50-hour, 250-hour, and 500-hour maintenance tasks have been completed before proceeding
with the 1000-hour maintenance tasks.
Check the exhaust system mounting hardware. (See page 5-37.)
Check the fuel tank strainer. (See page 5-51.)
Check the fuel lines. (See page 5-52.)
Check the accumulator function. (See page 5-56.)
Change the engine coolant. (See page 5-39.)
Replace the hydraulic tank breather filter. (See page 5-58.)
Replace the hydraulic oil pilot filter. (See page 5-59.)
Replace the hydraulic oil tank return filter. (See page 5-60.)

Every 1500 Hours

Inspect the crankcase breather system. (See page 5-38.)

Annually or Every 2000 Hours

Make sure all daily, 50-hour, 250-hour, 500-hour, and 1000-hour maintenance tasks have been completed before
proceeding with the 2000-hour maintenance tasks.
Pressure wash and clean the entire machine. Do a complete machine structural inspection.
SANY
Operation and Maintenance Manual — 0120
Maintenance
5-17

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