7.4 Crankcase Breather
7.4.1 Crankcase breather – Oil separator replacement, diaphragm check and
replacement
Preconditions
☑
Engine is stopped and starting disabled.
Special tools, Material, Spare parts
Designation / Use
Part No.
Qty.
Torque wrench, 8–40 Nm
F30043446
1
Ratchet adapter
F30027340
1
Engine oil
Filter element
(→ Spare Parts Catalog)
Diaphragms
(→ Spare Parts Catalog)
Gasket
(→ Spare Parts Catalog)
WARNING
Engine oil is hot.
Engine oil can contain combustion residues which are harmful to health.
Risk of injury and poisoning!
• Allow the engine to cool to below 50 °C before beginning work.
• Wear protective clothing, protective gloves, and safety glasses / facial protection.
• Avoid contact with skin.
• Do not inhale oil vapor.
Oil separator filter element – Re-
placement
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 screws of cover (2) to specified tightening torque.
Name
Size
Type
Lubricant
Value/Standard
Screw
Tightening torque
10 Nm −2 Nm
6.
Replace further oil separator elements in the same way.
152 | Crankcase Breather | MS150031/06E 2016-010
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