TM 9-2320-209-34-2-2 FRAME 11 1. Remove and disassemble boring case gear assembly. Refer to para 17-46b and 17-46c. 2. If reading in step 4, frame 10 is less than .011 inch, do the following: a. Add .011-inch thickness to lower rack carrier bearing shim set (1). b. Take out .011-inch thickness from upper rack carrier bearing shim set (2). c. Add .011-inch thickness to rack drive gear shim set (3). 3. If reading in step 4, frame 10 is more than .034 inch, do the following: a. Take out .020-inch thickness from lower rack carrier bearing shim set (2), b. Add .020-inch thickness to upper rack carrier bearing 4. Assemble and replace boring case gear assembly. Refer to 17-46h. 5. Do frame 4 again. GO TO FRAME 12 shim set (2). para 17-46g and 17-524