TM-9-2520-234-35 Technical Manual for M109 Transmission XTG-411-2A Download
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PAR 92-96 lNPUT TRANSFER GEARING REBUILD CHAP 5, SEC VI Section VI. INPUT TRANSFER GEARING—REBUILD 92. DESCRIPTION Refer to par. 8 for the description of the input transfer gearing. 93. DISASSEMBLY a. Drive Gear Assembly — (fig. 373, fold-out 2) (1) Do not remove single-row ball bear- ings 24 and 27 from input transfer drive gear 25 unless replacement is necessary. (2) If necessary, use a bearing puller to remove the two bearings 24 and 27 from drive gear 25. b. Cluster Idler Gear Assembly (fig. 373, fold-out 2) (1) Do not remove double-row ball bear- ing 35 from idler cluster gear 34 unless re- placement is necessary. (2) If necessary to remove bearing 35, remove retaining ring 36 and press bearing out of gear 34. c. Cluster Gear Assembly (fig. 373, fold-out 2) (1) Do not remove roller bearings 38 and 40 from input transfer cluster gear 41 unless replacement is necessary. (2) If necessary to remove bearings 38 and 40, remove retaining ring 37 and press bearings 38 and 40 and spacer 39 from cluster gear 41. 94. CLEANING Refer to par. 71 for cleaning recommen- dations. 95. INSPECTION AND REPAIR Refer to par. 72 for general inspection and repair recommendations. Repair and re- build points of measurements for fits, clear- ances and wear limits are indicated by small, lower case letters in fig. 373, fold-out 2. Re- fer to par. 236 for wear limits information. 96. ASSEMBLY a. Drive Gear Assembly (fig. 373, fold-out 2) (1) Install single-row ball bearing 24 on the input transfer drive gear, pressing against the numbered side of the bearing cage. Be sure bearing is firmly seated against its shoulder on gear 25. (2) Install single-row ball bearing 27 on the input transfer drive gear, pressing on the numbered side of the bearing cage. Be sure the bearing is firmly seated against its shoulder on gear 25. b. Cluster Idler Gear Assembly (fig. 373, fold-out 2) (1) Install double-row ball bearing 35 into the input transfer cluster idler gear, pressing against the numbered side of the bearing on the outer race. Be sure the bear- ing is firmly seated against its shoulder in gear 34. (2) Install retaining ring 36. c. Cluster Gear Assembly (fig. 373, fold-out 2) (1) Install roller bearing 40 into cluster gear 41, pressing against the numbered side of the bearing cage. Be sure the bearing is seated firmly against its shoulder in the gear. (2) Install spacer 39. (3) Install bearing 38, pressing against the side opposite the numbered side of the bearing cage. (4) Install retaining ring 37. 1 0 9