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SY135C Excavator OMM
Maintenance
SANY
Operation and Maintenance Manual — 0120
5-43
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INTRODUCTION
SAFE
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CONTROLS
MACHINE
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INTENANCE
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EQUI
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Replace the Diesel Exhaust Fluid (DEF) Tank Filter
1. Prepare the machine for service. See “Maintenance
2. Open the diesel exhaust fluid (DEF) tank access door
(1) on the right front side of the machine. See “Diesel
Exhaust Fluid (DEF) Tank Access Door” on page 3-9.
3. Disconnect engine coolant hoses (2) and DEF hoses
(3). Cap and plug all openings.
4. Remove the fasteners (6) from the DEF sending unit
cover (4).
5. Disconnect the DEF sending unit wiring harness
connector (5).
NOTICE!
• It is critical that all materials used when working with the DEF system are absolutely clean.
• Dispose of the DEF pump filter in accordance with all applicable environmental regulations.
Failure to follow this notice could damage the machine, cause it to operate improperly, or
could result in damage to the environment.
Fig. 5-97
0003744
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Fig. 5-98
0000587
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2
2
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6
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