TM 9-2815-225-34&P 3-13. MOUNTING ENGINE ON MAINTENANCE STAND (Contd) LOCATION/ITEM ACTION REMARKS e.  Component Removal (Contd) NOTE Location of oil supply inlet port on turbochargers differs between models.  M915A1/Big Cam III is shown. 20. Turbocharger air crossover Remove. Refer to TM 9-2320-273-20 or connection TM 9-2320-283-20. 21. Screw (34), clamp (33), and Remove from turbocharger (31), turbocharger oil supply adapter (35), and elbow (36). hose (32) NOTE Perform step 22 for M915/Big Cam I only. Perform steps 23 and 24 for M915A1/Big Cam III only. 22. Oil return tube (45), two Remove from elbows (43) and (48). clamps (46), and hose (47) 23. Oil return tube (41) and two Remove from oil return tube (44) Retain bushings (42). bushings (42) and filter head (49). 24. Oil return tube (44), two Remove from elbows (40) and (48). clamps (46), and hose (47) 25. Four nuts (39), turbocharger Remove from studs (37) and Discard gasket (38). (31), and gasket (38) exhaust manifold (50). 3-16