TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
Page 327 of 532
WARNING The oil pressure regulator valve cover is spring loaded. Exercise care when remov- ing cover. TM 9-2815-220-34 ficult to remove because of the presence of varnish from the oil. An improvised tool (fig. 2-3), used with mechanical puller, Part No. 8708712, may be used to assist in removing valve sleeve (12). Insert hook end of tool into hole in sleeve and gently tap until sleeve is free. b. Remove two self-locking nuts (20) and flat washers (19) attaching oil pressure regulator valve cover to crankshaft damper and oil filter housing. Remove cover (18), gasket (17) and flat washers (16). Discard gasket. Remove valve stop (15), valve spring (14), valve plunger (13) and valve plunger sleeve (12). c. Remove oil drain valve adapter (25) and oil drain valve adapter gasket (24). Discard gasket. Remove damper housing oil drain valve (23). Remove and disca r d prefonnecl packing (22). NOTE The valve sleeve plunger (12) may be dif- d. Remove oil filter cover air bleed hole capscrew (27, fig. 3-207) and · packing (28). Discard packing. ' ' ' MODEL � - - AVOS-1790-2DR 26.l l Self-locking nut 1.1 Spacer 2 Lifting eye 3 Lifting eye gasket 4 Πfe plug 5 Oi cꝏler vent tube adapter 6Pipe plug ? Pi פplug 7.1 Bushing 8Pipe plug 9 Reducer bushing 10 Oil temperature gage transmitter 11 Preformed packing 12 Prefoed packing 21 MODELS AVDS-1790-2C AND AVDS-1790-2D 13 Adapter gasket 14 Oil cooler hose adapter 15 Oil temperature switch 16 Elbow 17 Oil pressure warning switch 18 Flat washer 19 Self.Jking nut 20 Fuel pump adapter gasket 21 Fuel pump adapter 22 Flat washer 7 Flat washer 24 Fuel pump check valve bracket 25 Flat washer 26 Self-locking nut 26.1 Oil sampling drain tck 4 _J I I I �7 27Capscrcw 28 Oil filter cover packing w/rl+iner 20 Oil filter cover 30 Oil filr cover gasket 31 Oil filter element 32 Oil filler support retaining ring 33 Oil filter element rel+incr 34 Oil filter element gasket 35 Oil filter s pri ng seal 36 Oil filter el ement compresion spring 37 Oil filter elem en l support 38 Machine bolt 39 Lkwashcr -10 Stud Figure 307. Damper ho1ui11s oil filter and a"ioted par11 - expled view. Change 3 3·117