frame 2 TM 9-2320-209-34-2-1 CAUTION 1. Take out 2. Take out 3. Take out The pressure relief valve is spring-loaded. Be care- ful when disassembling or parts may be lost. NOTE Shims (5) are used to adjust the pressure relief valve. The number of shims inside the relief valve may be different on different pumps. Some pump pressure relief valve springs are retained by a threaded cap; others are retained by a pin and retainer. If working on a pump with a pin and retainer go to step 2. threaded cap (1). Go to step 3. NOTE If a copper spacer is used in place of the spring re- tainer, take out spacer and throw away. retaining spring pin (2). Take out spring retainer (3). spring (4), shims (5), and pressure relief valve (6). GO TO FRAME 3 2-176