TM  10-3930-638-24&P 3-30.   HYDRAULIC   LIFT   SYSTEM   MAINTENANCE   (cont) d.  Rotation  CylinderAssembly  (cont). STEP LOCATION ITEM ACTION REMARKS REASSEMBLY  (cont) CAUTION Use extreme care not to damage rings or seals when performing following step. 17 Cylinder (27) a. Rod (24), gland as- Install as an sembly  (17)  and assembly piston assembly (12) b. Gland assembly (17) Position  and Tighten to 100-150 pounds foot torque tighten 18 Rotation cylin- Two lubrication fittings Install der assembly (9) (8) TESTING 19 Rotation cylin- Cylinder port (port op- a. Connect hydrau- der assembly posite rod end) lic hose to port (hose must have a 7/16-20 fitting on end) b. Connect other end of hose to test hydraulic pump 20 Test  hydraulic a. Start pump and Rod should extend smoothly from cylinder pump apply  hydraulic oil under pres- sure (2000 PSI) to rotation cyl- inder assembly b. Continue operat- ing pump until rod is complete- ly  extended from  cylin- der; hold until step 21 below is completed 3-237