TM  10-3930-638-24&P 2-56.   HYDRAULIC   LIFT   SYSTEM   MAINTENANCE   (cont) f. Hoses, Lines and Fittings (cont). (2)  Mast  Assembly  (cont). STEP LOCATION ITEM ACTION REMARKS INSTALLATION/REPLACEMENT 11 Mast assembly, a. Elbow fitting (3) Position outer mast b. Nut (2) Install c. Hose fitting (1) Connect  and Completes  installation  of  hose  assembly tighten (5) f. Hose fitting Connect  and Para 2-56f (1), step 20 tighten 12 Operator’s com- a. Start engine and operate at idle speed while turning partment steering wheel to extreme right and left several times b. Increase engine speed and operate control valve levers (lift, rotate, shift, and tilt control levers) several times c. Operate engine at idle speed and check for oil leaks at connections. Tighten fittings if necessary d. Turn engine off e. Check hydraulic reservoir oil level; add oil if necessary (refer to current lubrication order) f. Repeat steps a through e CHANGE  2  2-439