TM-9-2520-234-35 Technical Manual for M109 Transmission XTG-411-2A Download
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*C2 *C2 *C2 PAR 177-181 REVERSE PLANETARY AND SUPPORT REBUILD CHAP 5, SEC XXIII Section XXIII. REVERSE-RANGE PLANETARY AND SUPPORT ASSEMBLY — REBUILD 177. DESCRIPTION Refer to par. 14 for description of the re- verse-range planetary and support assembly. 178. DISASSEMBLY (fig. 377, fold-out 6) a. Using a press, remove the reverse- range planetary carrier assembly from its support (fig. 212). b. Remove the retaining ring retaining the bearing in the carrier support (fig. 212). c. Using a press, remove the bearing from the carrier support (fig. 212). d. Using a hammer and punch, remove six lock pins retaining the planetary carrier spindles (fig. 213). e. Position the reverse-range planetary carrier assembly in a press. Using a suitable pressing tool, remove six carrier spindles (fig. 214). Remove the pinions 14 (fig. 377, fold-out 6), thrust washers 8 and 15, spacers 9, 11 and 13, and roller bearings 10 and 12. Figure 212. Removing reverse-range planetary carrier assembly 179. CLEANING Refer to par. 71 for cleaning recommen- dations. 180. INSPECTION 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 fig. 377, fold-out 6. Re- fer to par. 240 for wear limits information. 181. ASSEMBLY (fig. 377, fold-out 6) Note. Chill spindles 7 in dry ice for approximately one hour, prior to in- stallation. a. Place reverse-range planetary car- rier 17, hub side down, in a press. Figure 213. Removing (or installing) spindle lock pins 147