TM-9-2520-234-35 Technical Manual for M109 Transmission XTG-411-2A Download

PAR 108-111 CONTROL VALVE ASSEMBLY AND CHAP 5, SEC IX OIL TRANSFER PLATE–REBUILD k. Remove shift inhibitor valve 76, spring 78 and plunger 79. l. Remove retaining ring 77 from inhibitor plunger 79. m. Remove lockup cutoff valve 80. — n. Remove selector valve assembly 75. o. Do not remove needle bearing assemblies 53 and 55 from control valve body 54 unless replacement is necessary. If necessary, press bearing assemblies out of the valve body. p. Remove any pipe plugs 81 from the control valve body, if necessary, to aid in cleaning. q. If present, do not remove check valve 41 from oil transfer plate 43. r. Plug 42 may be removed, if neces- sary, for cleaning purposes. 109. CLEANING Refer to par. 71 for cleaning recom- mendations. 110. INSPECTION AND REPAIR Refer to par. 72 for general inspec- tion and repair recommendations. Repair and rebuild points of measurement for fits, clearances and wear limits are indicated by small, lower case letters in fig. 383, fold-out 12. Refer to par. 246 for wear limits information. 111. ASSEMBLY (fig. 383, fold-out 12) a. If needle bearing assemblies 53 and 55 were removed from control valve body 54, install new replacements. b. Install bearing assembly 53, press- ing against the numbered side of the bear- ing cage, 0.200-inch below the surface ad- jacent to the bearing bore. c. Install bearing assembly 55 from the inside of the valve body, pressing against the numbered side of the bearing cage, 0.050-inch below the surface ad- jacent to the bearing bore. d. Install any pipe plugs 81 removed from control valve body 54 for cleaning purposes. Torque pipe plugs 81 to 50-60 pound-inches. e. Install selector valve assembly 75, long stem end first, into control valve body 54. f. Install lockup cutoff valve 80, long land end first, into the valve body. g. Install retaining ring 77 onto shift inhibitor plunger 79. h. Install spring 78 onto plunger 79. i. Install the plunger and related parts into the valve body. j. Install throttle valve 61, long stem end first, into the valve body. k. Install throttle valve spring 62. — l. Install throttle regulator valve as- sembly 63 and spring 68. m. Install control valve body cover 73 and gasket 74. Secure the cover with seven 5/16-18 bolts 70, two bolts 71 and lock washers 69 and 72. Torque the bolts to 13-16 pound-feet. n. Install preformed packing 51 into control valve body 54. o. Install selector shaft assembly 56, detent spring 60 and ball 59, at the same time engaging the shaft assembly 56 with the selector valve assembly 75. p. Install spacer 50 and indicator 49 onto selector shaft 56. q. Install retaining ring 48. r. Install seal ring 57 onto throttle valve shaft assembly 58. s. Install throttle valve shaft assem- bly 58, engaging it with throttle valve 51, into valve body 54 and secure with re- taining ring 47. Install washer 46 and bolt 45. Torque bolt 45 to 19-23 pound-feet. Change 2 113