TM 55-2210-224-34
3-37.
MAIN GENERATOR (cont)
ASSEMBLY
WARNING
Procedures specify the heating of parts to aid in assembly. Heated parts may cause
injury to personnel if hand protection is not worn when handling. Wear protective
gloves for maximum protection.
32. Place oil slinger (42) in bearing housing (43) and place on an induction heater. Heat parts to 212 to 230°F (100 to
110°C).
33. Remove bearing housing (43) and oil slinger (42) from heater. Install bearing (41) cold in housing.
34. Place bearing housing assembly on a induction heater. Heat parts to 212 to 230°F (100 to 110°C).
35. Remove bearing housing assembly from heater and install on shaft of armature (44), with oil slinger (42) tight against
shaft shoulder and inner race of bearing (41) tight against oil slinger. Hold in place until cooled. Install bearing nut
(40) tight against inner race of bearing.
WARNING
Procedures specify the heating of parts to aid in disassembly and assembly. Heated
parts may cause injury to personnel if hand protection is not worn when handling.
Wear protective gloves for maximum protection.
36. Place sleeve (39) on an induction heater. Heat part to 212 to 230°F (100 to 110°C).
37. Remove sleeve (39) from heater. Install on shaft of armature (44) tight against bearing nut (40). Hold firmly in place
until cooled. Rotate bearing assembly on shaft and check for binding.
38. Wrap a layer of insulation paper around commutator to protect it during assembly.
39. Position the two cradles with armature (44) behind cradle with magnet frame (45). Install the pipe over the armature
shaft.
40. Use two slings and slowly feed armature (44) into magnet frame (45). Install six lockwashers (38) and capscrews
(37). Draw armature into final position by tightening capscrews evenly and tightly.
41. Measure out 6-1/2 oz (187. 249 gm) of ball-bearing grease. Fill grease pocket in bearing cap (35) two-thirds full of
grease. Smear remainder into and around bearing (41).
3-161
