3-64. TRACTION MOTOR ASSEMBLY (cont)
Pinion gear will snap off suddenly
under approximately 50-90 tons of
pressure. Personnel must stand to
either side of motor when pulling
pinion gear. Injury or death could
Pinion gear on the traction motor and
ring gear in the gear box are a
matched set and must be removed
and installed together. If one is
replaced, both must be replaced.
Pull up evenly on bolt to force piston down into
pinion bore. When sufficient force has been built
up, pinion will break loose from pinion bore.
Approximately 50-90 tons pressure is required to
break pinion loose.
Remove disassembly tool kit and remove hypoid
Use a puller and remove spacer (14) and inner
bearing race (15).
Mark hub of fan (16) and head of armature (37) so
fan can be mounted in the same location at
Place motor in horizontal position.
from disassembly tool kit and remove fan (16)
from armature (37).
Remove four capscrews (17), lockwashers (18),
clamp (19), and wire bracket (20).
Remove two covers (21). Tag and disconnect
brush holder leads. Remove four capscrews (22),
lock-washers (23), clamps (24), and brush holders
(25). Remove brushes from brush holders. Refer
to TM 55-2210-224-12.
Wrap insulating paper around commutator to