TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
Page 370 of 779
b. Disassembly. Disassemble oil pump (fig. 6- 66) following instructions which accompany figures 6-67 through 6-86. Figure 6-66. FSN 2815-895-6430 oil pump assembly as removed from engine. Remove 1. Remove oil pump pressure relief valve body (A). 2. Separate pressure relief valve (B), outer valve spring. and inner valve spring from valve body. 3. Remove cap screw (C) and flat washer. Install 1. Install cap screw (C) and flat washer. 2. Position inner valve spring, outer valve spring, and pressure relief valve (B) in oil pump pressure relief valve body (A). 3. Install assembled valve body (A) in pump housing. Figure 6-68. Removing or installing oil pump pressure relief valve. Figure 6-67. Removing or installing locking wire securing oil pump pressure relief valve and piston cooling control valve bodies. Figure 6-69. Removing or installing piston cooling control valve. 6-76