COUPLING 2577441 - Caterpillar

Attempts to clean the engine crankcase breather on the 834G(S/N: BPC1-UP) and the 836G(S/N: BRL1-UP) may cause damage to the element.
Illustration 1 g00844437
The engine crankcase breather on the 834G(S/N: 6GZ1-UP) and the 836G(S/N: 7MZ1-UP) is located on the left side of the engine near the fuel priming pump.
Disconnect sensor (1) from breather (4). Loosen hose clamp (2) and remove hose (5) from the breather.
Remove bolts (6), the washers and breather (4). Remove seal (3) .
Wash the breather in a clean, nonflammable solvent. Inspect the breather and the seal for damage. Replace the seal, if necessary.
Use pressure air to dry the breather.
Install seal (3). Install breather (4), the washers and bolts (6) .
Install hose (5) on the breather and tighten hose clamp (2). Connect sensor (1) to breather (4) .