MTU 12V4000M73 series Operating Instructions Manual page 226

Removing strainer
1. Clean oil indicator filter before disassembling
it.
2. Remove screws (1).
3. Take off cover (2) with O-ring (3).
4. Extract spring (4) and strainer (6) from filter
housing.
Checking strainer
Item
Strainer
Strainer
Square-section ring
O-ring
Cleaning strainer
1. Wash strainer (6) with cleaner.
2. Remove stubborn deposits with soft brush.
3. Blow out strainer (6) with compressed air from inside.
Installing strainer
1. Coat square-section ring (5) on strainer (6) with engine oil and install strainer (6).
2. Coat O-ring (3) with engine oil and install in filter housing.
3. Insert spring (4).
4. Fit cover (2) and secure with screws (1) and washers.
224 | Oil Filtration / Cooling | MS150045/03E 2018-08
Findings
Metallic residues
Damaged
Damaged
Damaged
Measure
• Clean
• Monitor engine operation
• Check strainer daily
• Contact Service
Replace
Replace
Replace