TM-9-2520-238-34 Direct Support for M113 Family Major Assemblies Download
Page 87 of 336
TM 9-2520-238-34 REPAIR COOLING FAN RIGHT ANGLE DRIVES A AND B — Continued 0015 00 NOTE Ball bearings are a matched set and both must be replaced if either is defective. Matched duplex bearings stamped NEW DEPARTURE 0L07 or MCR107 must be installed with thick sections of outer races facing each other. Matched duplex radial bearings stamped NEW DEPARTURE 3L07 must be installed with stamped faces toward outside of assembly. 15. Assemble spindle assembly (1) as follows: a. Shouldered shaft (2) has left-hand threads at needle bearing end. b. If orifice spring pin (3) was removed from shouldered shaft (2), install new pin in shaft with 1/16 to 1/8 inch protruding from shaft. c. Install machine key (4) in shouldered shaft (2). d. Press bevel gear (5) on shouldered shaft (2). Use arbor press. e. Install two matched ball bearings (6) in bearing housing (7). f. Press two bearings (6) inside bearing housing (7) onto bevel gear (5). Use arbor press. g. If needle bearing (8) was removed from shouldered shaft (2), install new needle bearing onto shaft and secure with retaining ring (9). 0015 00-13