BUSHING 7G9709 - Caterpillar

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.Your engine will have one of the following engine crankcase breathers.Type 1
Illustration 1 g01136454
Typical example
Loosen hose clamp (1) and remove the hose from breather assembly (2) .
Loosen retaining clamp (3). Remove the breather assembly and seal (4) .
Wash the breather element in solvent that is clean and nonflammable. Allow the breather element to dry before installation.
Install a breather element that is clean and dry. Install the seal, the breather assembly, and the clamp. Refer to the Specifications, SENR3130 in order to locate the proper torques.
Install the hose. Install the hose clamp. Refer to Specifications, SENR3130 in order to locate the proper torques.Type 2
Illustration 2 g01445780
Loosen hose clamp (5) and remove hose (6) from valve cover (7) .
Remove valve cover (7). Refer to the Disassembly and Assembly Manual for instructions on removing the valve cover..
Illustration 3 g01445781
Wash breather (8) in solvent that is clean and nonflammable. Allow the breather to dry before installation.
Install a breather element that is clean and dry.
Install valve cover (7). Refer to the Disassembly and Assembly Manual for instructions on installing the valve cover. Refer to Specifications, SENR3130 in order to locate the proper torques.
Install hose (6) on valve cover (7). Install hose clamp (5). Refer to Specifications, SENR3130 in order to locate the proper torques.