3C8720 HOSE Caterpillar parts
Alternative (cross code) number:
Weight: 2 pounds 0 kg.
Perform this maintenance with the engine stopped.
If the crankcase breather is not maintained on a regular basis, the crankcase breather will become plugged. A plugged crankcase breather will cause excessive crankcase pressure that may cause crankshaft seal leakage.
Illustration 1 g01206456
Loosen hose clamp (1) and remove breather tube connection (3) from valve cover (2) .
Remove the valve cover. Refer to the Disassembly and Assembly Manual.
Illustration 2 g00908611
Wash breather (4) in clean nonflammable solvent. Allow the breather to dry before installation.
Install the valve cover. Refer to the Disassembly and Assembly Manual.
Install the breather tube connection on the valve cover. Install the hose clamp.