TM 9-2815-225-34&P 3-51. AIR COMPRESSOR REPAIR (Contd) LOCATION/ITEM ACTION REMARKS d.  Assembly (Contd) 49. Crankshaft assembly (35) a.  Lubricate front support journal and support (45) of crankshaft (43) and bearing (36) on support (45) with lubricating oil. b.  Install crankshaft assembly (41) on support (45). c.  Secure support (45) to Tighten captive washer screws crankcase assembly (35) with two (88) and (47) to 30-35 lb-ft captive washer screws (38), four (41-47 Nm). screws (47), and four new lockwashers (46). 50. Thrust bearing (48) a.  Lubricate slotted end with lubricating oil. b.  Install over end of crankshaft Slotted side of thrust bearing (48) is (43) and on support (45). installed toward crankshaft (43) and support (45). CAUTION To  avoid  damaging  air  compressor  support,  make  sure  crankshaft  is  properly  secured before using press. 51. Half coupling (49) Press on crankshaft (43) until it bottoms out. 3-334