PIPER COMANCHE SERVICE MANUAL SKETCH A 3'" .... Figure 2-23. Control Column Lubrication (PA-24-180, 250, 260 and 400) ID4 HANDLING AND SERVICING REVISED: 4/10/81 COMPONENT LUBRICANT 1 ROLLER ATIACHMENT FiniNG MIL·L·7870 100 HRS 2. CONTROLWHEELCHAIN. VERTICALAND HORIZONTAL Mll·l·7870 500 HRS 3 STABllATOR CONTROL TUBE BEARING AND SQUARE TUBE MOUNTING BEARING MIL·l·7870 100 HRS