Disassembly/Assembly
Guidelines
IRB 6400
Page 5 - 2
Axis 1 Guidelines
7. REMOVE PINION (S18) FROM MOTOR (S16):
NOTE:Pinion (S18) is matched to gear reduc-
tion unit (S59). If a new motor (S16) is being
installed, mount the old pinion on the new
motor shaft. If a new gear reduction unit (S59)
is to be installed, mount that new pinion on
the motor (S16) shaft.
a. Remove screw (S19). Use a strap wrench to hold pinion from
rotating while removing screw.
b. If pinion (S18) is tight on motor (S16) shaft, screw an M10x150
screw into threaded hole and pull pinion from motor shaft with the
help of a small 3-jaw gear puller. Use the key slot hole in the side
of the pinion to engage one jaw of the puller.
c. Pinion (S18) is matched to gear reduction unit (S59), so keep it
for re-assembly. If a new motor is to be installed, mount old pinion
on new motor shaft. If new gear reduction unit (S35) is to be
installed, use pinion from that unit.
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