SY265C LC/SY265C LR Excavator OMM
5-66
Operation and Maintenance Manual — 0420
SANY
Hydraulic System
Inspect the Accumulator
1. Prepare the machine for service. See “Maintenance
2. Open the appropriate access covers or compartment
doors. See “Doors, Escape Hatch, and Filler Caps” on
page 4-6.
3. Turn the battery disconnect switch to the OFF position.
See “Battery Disconnect Switch” on page 3-20.
4. The accumulator (1) is behind the left rear access door.
5. Inspect the accumulator and surrounding surfaces for
signs of leaks and worn or damaged hoses.
6. If any damages is found, replace immediately.
Check Accumulator Function
NOTE:
Perform this procedure every 6 months (1000 hours) of service on machines with optional equipment
attached. Perform this procedure annually (or every 2000 hours) on machines with a bucket attached.
1. Position the work equipment (1) 18 in.–24 in.
(457 mm–610 mm) from the ground.
2. Prepare the machine for service. See “Maintenance
3. Shut down the engine.
4. Turn the key switch to the ON position.
WARNING!
Never open a hydraulic component under pressure. Escaping hydraulic oil is under high
pressure and can penetrate the skin and cause serious injury or death. Do not use hands to
check for leaks. Wear gloves, eye protection, and other personal protective equipment (PPE)
and use a piece of cardboard or paper to search for suspected leaks.
Fig. 5-79
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Fig. 5-80
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