Maintenance
SY50U Excavator OMM
5-28
Operation and Maintenance Manual — 0120
SANY
Prestart Inspection
For more information, see “Daily Maintenance and Inspection” on page 5-14.
Collect Engine Oil Sample
1. Obtain an Oil Analysis Sample Kit from a SANY dealer.
2. Operate the machine until the engine oil is up to normal operating temperature.
3. Prepare the machine for service. See “Maintenance Safety” on page
4. Clean the area around the engine oil dipstick and remove the dipstick.
5. Insert the oil sample tube into the dipstick tube and collect a sample of engine oil. Install the dipstick.
6. Send the sample for testing in accordance with the instructions packaged with the sample kit.
Check the Engine Oil Level
See “Engine Oil Level Check” on page
Prestart Check
Reference
Check the engine coolant level and add as necessary.
“Engine Coolant Level” on page 4-6
Check the engine oil level.
“Engine Oil Level Check” on page 4-7
Check the fuel level and add as necessary.
“Fuel Level Check” on page 4-8
Drain water and sediment from the fuel.
“Check and Drain the Fuel/Water Separator” on page
4-10
Check the hydraulic oil level and add as necessary.
“Check the Hydraulic Oil Level” on page 4-11
Check the electrical wires and connectors for damage.
“Electrical Components Check” on page 4-13
Check the horn operation.
“Horn Function Check” on page 4-13
NOTICE!
It is critical that all material used to collect the sample is absolutely clean. Failure to adhere to
this warning can cause equipment damage and contaminate the sample.