SANY SY265C LC, Operation And Maintenance Manual

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SY265C LC/SY265C LR Excavator OMM
5-54
Operation and Maintenance Manual — 0420
SANY
Replace the Diesel Exhaust Fluid (DEF) Tank Filter
1. Prepare the machine for service. See “Maintenance
Safety” on page 2-8.
2. Open the right front access door (1). See “Right Front
Access Door” on page 4-8.
3. Disconnect the DEF sending unit electrical connector
(2).
NOTE:
For proper installation, label all hoses and note
their positions before disconnecting.
4. Disconnect the two engine coolant hoses (3) from the
DEF sending unit.
NOTE:
Place a suitable container under the coolant
hoses as they are removed to catch any
coolant. Clamp or plug the engine coolant
hoses to prevent excess leakage.
5. Disconnect the two DEF lines (4) from the DEF
sending unit.
NOTE:
Place a suitable container under the DEF lines as they are removed to catch any DEF fluid. Clamp or
plug the DEF lines to prevent excess leakage.
6. Remove the DEF sending unit fasteners (5), then lift the DEF sending unit (6) from the tank.
CAUTION!
It is critical when working with the DEF system that all materials used are absolutely clean.
Failure to follow this caution can cause equipment damage.
Fig. 5-61
1
Fig. 5-62
2
5
4
3