TM-9-2520-272-40 Direct Support for M113A3 X200-4A Transmission 2520-01-397-1074 Download
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TM 9-2520-272-40 0036 REMOVE RANGE INPUT DRIVEN GEAR RACE, RANGE INPUT DRIVE GEAR BEARING, AND OIL TRANSFER TUBE SEAL RING WARNING Hot parts can burn you. Always wear leather gloves when you work with parts that are or might be hot. NOTE Make sure that the left cover assembly is turned so that the inner side points up. Put left cover assembly on two wooden blocks. Put blocks below the edge of the left cover assembly on the corner nearest the left output shaft bore. 1. Apply heat to the left cover assembly (Figure 1, Item 6) with heat gun around the bearing (Figure 1, Item 5) and race (Figure 1, Item 4) for one hour to approximately 300ºF (149ºC). NOTE The left cover housing is cut away in two places 180 degrees apart below the bearing to give access to bearing. 2. Remove the bearing (Figure 1, Item 5) and race (Figure 1, Item 4). 3. Remove the small seal (Figure 1, Item 2) and two large O-rings (Figure 1, Item 3) from the oil transfer tube assembly (Figure 1, Item 1). Discard the small seal (Figure 1, Item 2) and two large O-rings (Figure 1, Item 3). Figure 1. Bearing, Race, and Seal Removal. END OF TASK 0036‐2