SY265C LC/SY265C LR Excavator OMM
5-46
Operation and Maintenance Manual — 0420
SANY
Check the Radiator, Oil Cooler, Charge-Air Cooler, and Air Conditioner Condenser
1. Open the engine compartment access door. See “Engine
Compartment Door” on page 4-11.
2. Open the left rear access door. See “Left Access Doors”
3. Clean the engine coolant radiator (1), air conditioner
condenser (2), and hydraulic oil cooler (3) using
low-pressure compressed air.
4. Clean out any debris that has accumulated during operations and cleaning.
5. Close and secure all doors.
Inspect the Engine Coolant Pump
1. Prepare the machine for service. See “Maintenance Safety” on page 2-8.
2. Open the appropriate access covers or compartment doors. See “Doors, Escape Hatch, and Filler Caps” on
3. Turn the battery disconnect switch to OFF. See “Battery Disconnect Switch” on page 3-20.
4. Check the engine coolant pump for signs of leakage. This indicates a faulty seal on the pump shaft.
5. If the fan pulley has play, the bearings inside the engine coolant pump are worn. Contact a SANY dealer for
replacement of an engine coolant pump.
WARNING!
Do not allow compressed air, pressurized water,
or steam to come into contact with skin. Always
wear goggles, gloves, and other personal
protective equipment (PPE). Failure to follow
these warnings could result in death or serious
injury.
NOTICE!
•
Compressed air, high-pressure water, or steam can damage the cooling fins if the nozzle is
too close to the fins. To prevent cooling fin damage, keep the nozzle at a safe distance
while cleaning.
•
Damaged cooling fins may lead to leaks and overheating. In dusty environments, inspect
the cooling fins daily regardless of the maintenance schedule.
Fig. 5-48
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