CM870 oil pressure low. jakes not working

[jjoshthomas074]

first of all, appreciate everyone's time!!! Had alittle time to check the truck out today after work, after looking up some wiring diagrams for the jakes, found the clutch switch out of adjustment, got the jakes working good now. i pulled the valve cover and took a video while running. 1500-1600rpm after operating temp is about 33psi on the gauge. if i can get this video and picture up ill let you guys judge from the gauge...