TM-9-2520-234-35 Technical Manual for M109 Transmission XTG-411-2A Download
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*C2 PAR 170-173 CLUTCH PISTONS AND HOUSINGS REBUILD CHAP 5, SEC XXII 170. INSPECTICON AND REPAIR Refer to par. 72 for general inspection and repair recommendations. Repair and re- build points of measurement for fits, clear- ances and wear limits are indicated by small, lower case letters in figs. 377 and 381, fold- outs 6 and 10. Refer to pars. 240 and 244 for wear limits information. ing tool (fig. 38) against the spring retainer, compress the piston return springs and install the retaining ring (fig. 210). f. Install the output clutch hub (fig. 209). g. Install seven internal- and seven ex- ternal-splined output clutch plates alternately, beginning with an internal-splined clutch plate (fig. 209). 171. ASSEMBLY (figs. 377 and 381, h. If the bearing was removed from the fold-outs 6 and 10) geared steer sun gear, press in a new bearing until firmly seated. Install the retaining ring Note. The left- and right-output clutches (fig. 209). are identical, therefore the following assembly procedures apply to either i. Install the preformed packing on the assembly. geared steer sun gear assembly (fig. 209). a. Install expander 36 and ring seal 37 j. Using two 5/16-24-inch bolts, install on clutch plate and hub assembly 35. the geared steer sun gear assembly (fig. 209). b. Install expander 39 and ring seal 38 k. Install three retainers and six lock on clutch piston 41. plates (fig. 208). c. Install the clutch piston in the clutch l. Install twelve 5/16-24 bolts. Torque plate and hub assembly (fig. 210). the bolts to 14-18 pound-feet. Bend corners of the lock strips against the heads of the bolts d. Install eighteen piston return springs (fig. 208). 44 (fig. 377, fold-out 6) and retainer 43. m. Install two hook-type seal rings on the e. Using a hydraulic press and compress- hub of the output clutch assembly (fig. 208). — Section XXII. CLUTCH PISTONS AND HOUSINGS — REBUILD 172. DESCRIPTION piston assemblies are Refer to par. 12 for the description of the intermediate-range piston assembly and par. 16 for the description of the steer clutch pis- following describes the the left assembly. identical. The disassembly of ton assembly. (1) Remove two expanders 58 and 60 and 173. DISASSEMBLY (figs. 376, 377 and 381, ring seals 57 and 59 (fig. - 377, fold-out 6) from fold-outs 5, 6 and 10) steer clutch piston 61. a. Right- or Left-steer Clutch Piston Assembly Note. The right- and left-steer clutch 145