TM-9-2520-234-35 Technical Manual for M109 Transmission XTG-411-2A Download
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CHAP 5, SEC IX CONTROL VALVE ASSEMBLY AND PAR 103-108 OIL TRANSFER PLATE—REBUILD g. Remove main-pressure regulator valve springs 20 and 21 and valve assem- bly 14. Remove plug 13. h. Remove hexagon-head plug 11 from valve body 12. 104. CLEANING Refer to par. 71 for cleaning recom- mendations. 105. 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. 106. ASSEMBLY (fig. 383, fold-out 12) a. Install high-range knockdown plug 13, plain end first, into the largest of the three bores in the main-pressure regulator and lockup shift valve body 12. Position it in the small bore at the bottom of the large bore. b. Into the same bore, install main- pressure regulator valve 14, smaller end first. c. Install two main-pressure regula- tor valve springs 20 and 21. d. Install lockup shift valve 26, short land end first, into valve body 12. e. Install lockup shift valve spring 27. f. Install plug 19 into sleeve 24. In- stall-valve body cover assembly 23 and gasket 22 and secure with six 5/16-18 bolts 29 and lock washers 28. Torque bolts 29 to 13-16 pound-feet. g. Install l/8-inch hexagon-head plug 11. Torque plug 11 to 10-12 pound-feet. h. Install seal ring 8 on valve retainer plug 7. i. Install lube regulator valve spring 10, valve 9 (large land end first) and plug 7. j. Install retaining ring 6. Section IX. CONTROL VALVE ASSEMBLY AND OIL TRANSFER PLATE—REBUILD 107. DESCRIPTION Refer to par. 21 for the description of the control valve assembly and oil transfer plate. 108. DISASSEMBLY (fig. 383, fold-out 12) a. Remove bolt 45, washer 46 and re- taining ring 47 from throttle valve shaft assembly 58. b. Remove throttle valve shaft as- sembly 58 from valve body 54. c. Remove seal ring 57 from shaft assembly 58. d. Remove retaining ring 48 from selector shaft assembly 56. e. Lift off shift indicator 49 and in- dicator spacer 50. f. Remove selector shaft assembly 56, detent ball 59 and detent spring 60 from valve body 54. g. Remove preformed packing 51 from valve body 54. h. Using a 1/2-inch wrench, remove nine bolts 70 and 71, and lock washers 69 and 72 retaining control valve body cover 73. i. Remove valve body cover 73 and gasket 74. j. Remove throttle regulator valve spring 68, valve assembly 63, throttle valve spring 62 and throttle valve 61. 112 Change 2