Cummins ISX11.9 CM2250 – Service Manual 003-001 Crankcase Breather (External) Table of Contents Install Install TOC Install the crankcase breather housing assembly. Install and tighten the four mounting capscrews. Torque Value: 20 n.m [177 in-lb] SMALL | MEDIUM | LARGE Last Modified: 02-Jul-2010 Feedback / Help