Operation and Maintenance Manual SC9DF Electronically Controlled Diesel Engine for Agricultural Equipment
48
Apply the anti-seizure agent to the outer surface of the
unloading valve bonnet.
Apply the 15W-40 clean oil to the outer surface of the
unloading valve O ring. Install the unloading valve
components on the air compressor cylinder head, and tighten
the bolts of the unloading valve body to14 N·m.