Heavy Equipment Repair

MTU 12V 4000 Crankcase Breather Oil Separator Element Replacement Guide

Here is the instruction show the guide on how to replace oil separator element,diaphragm check and replacement for MTU 12V 4000 engine crankcase breather.

 

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MTU DiaSys 2.74 2.72 Engine Diagnostic Software Free Download

MTU Diagnostic Tool USB-to-CAN with MTU Diasys 2.73

 

 

Special tools, Material, Spare parts

 

Replacing oil separator element
1 Remove cover (2) with O-ring (3).
2 Remove filter element (1) from housing (4).
3 Insert new filter element in housing (4).
4 Install cover (2) with new O-ring.

5 Use torque wrench to tighten the screws of cover (2) to the specified torque.

6 Replace further oil separator elements in the same way.

 

Checking diaphragm
1 Remove cover (4).
2 Remove spring (5), gasket (2) and diaphragm (3).
3 Check diaphragm (3) for damage, fit new diaphragm if used one is damaged.
4 Install diaphragm (3) on housing (1).
5 Install new seal (2) and spring (5) together with cover (4).

 

6 Use torque wrench to tighten the screws of cover (4) to the specified torque.

7 Check diaphragms in further oil separators in the same way.

 

 

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