DOOR AS 2255061 - Caterpillar

1. Remove the bolts from clips (2). Loosen the clamps that hold the hose assembly to the crankcase breather assemblies. Remove fumes disposal group (1) and the hose assembly as a unit from the breather assemblies. 2. Remove four nuts (4) and remove breather assemblies (3) from the elbow. 3. Remove cover assembly (5) from each breather assembly (3). 4. Remove filter element (6) from each breather assembly (3). 5. Remove O-ring seals (8) from elbow (7).6. Remove elbow (7) and the gasket from the front drive housing.Install Crankcase Breather
1. Install the gasket and elbow (2) on the front drive housing.2. Install O-ring seals (1) on the elbow and put clean oil on the seals. 3. Install element (4) in each breather assembly (3). 4. Install cover assembly (5) on each breather assembly (3). 5. Put breather assemblies (3) in position on elbow (2) and install the four nuts to hold the breathers in position. 6. Put fumes disposal group (6) and the hose assembly in position on the breather assemblies. Tighten the clamps for the hose assembly and install the bolts to hold clips (7) to the front drive housing.