SY135C Excavator OMM
Maintenance
SANY
Operation and Maintenance Manual — 0120
5-45
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INTRODUCTION
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EQUI
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Replace the Diesel Exhaust Fluid (DEF) Pump Filter
1. Prepare the machine for service. See “Maintenance Safety” on page 2-8.
2. Remove the DEF pump access panel located below the DEF pump and tank from the bottom of the machine.
3. Remove the DEF pump filter housing (1) from the bottom of
the pump (2).
4. Replace the DEF pump filter element with a new one.
5. Replace the filter housing O-ring with a new one and install the
filter housing.
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
result in damage to the environment.
Fig. 5-100
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