TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
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Remove 1. Cut locking wire and remove four slotted nuts (A) and flat washers attaching oil seal cap to oil seal housing. 2. Cut locking wire and remove 20 drilled head bolts (B) and flat washers attaching oil seal cap and housing to crankcase assembly. Install 1. Install 20 drilled head bolts (B) and flat washers securing oil seal cap and housing to crankcase assembly. Install locking wire securing bolts. 2. Install four slotted nuts (A) and flat washers securing oil seal cap to oil seal housing. Install locking wire securing nuts. Figure 5-166. Removing or installing crankshaft oil seal cap and housing attaching parts. Rem ove Note. Free the oil seal cap and housing from dowel pins by tapping edges of the oil seal cap and housing with a soft faced hammer. 1. Separate and remove oil seal cap and housing (A). 2. Remove and discard oil seal cap and housing gasket (B). Note. The oil seal housing is machined with the crankcase and is a mating part. Always keep oil seal housing with the crankcase it was removed from. Install 1. Position a new oil seal cap and housing gasket (B) on crankcase assembly. 2. Position oil seal cap and housing (A) around crankshaft and on locating dowel pins in crankcase assembly and housing. Figure 5-167. Removing or installing oil seal cap and housing. 5-95