R-4108.A
REPAIR ANO AOJUSTMENT
4. Wobbling in X {right
and
left) Movement
4.
Wobbling in X (right
and
left) Movement
Cause:
(!)
Slack, sticking, squeezing in the X
gu1de
rail assembly.
a) Inferior meshing
of
the rack @ and the pinion
@.
b) Dent on the X guide rails @ , @ , the
rollers@
or deformed retainers
(j).
e) Dust, soil, scratch on teeth
of
the rack @
or
the pinion
@.
(2) Looseness
of
the screws @ or inferior adjustment
of
the X guide
block@.
< .Repair
and
Adjustment >
(!)-a)
If
the rack @ and pinion @ rneshing
is
inferior adjust the position
of
the rack
and
pirúon.
Procedure
i) Detach the slide holder assembly from the stage.
ü) Releasing the
screws@x4
separate the X guide
block@from
the Y guide
bloclcs @ , @ .
Then,
the X movement
block(D,
the
rollers@,
the
retainers(Z)
and the guide
rails
@ , @ will be rnade free simultaneously.
üi) The rack
@ position
is
to be adjusted slightly releasing the screws
@x
2 .
iv) The pinion @ position
is
to
be adjusted slightly releasing the
screws@
•
2.
v)
Follow
the
reassembling procedure.
vi) Check
the
rack
and
pinion rneshing and the wobbling in the X rnovement.
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13
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