Nidek Medical AR-310A, Service Manual

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XAR17ARDA001G/E
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7.3.5 F/B motor (30602-EA27)
Replacement part: 30602-EA27
* Applies only to the AR-330A, AR-360A, ARK-530A, and ARK-560A.
1 . Remove the covers (see Section 6 [p63]) .
2 . Remove the measuring unit together with the tracking horizontal ASSY (30601-2500) (see
7.3.4 [p84]) .
3 . Unscrew BS4 × 6 (n = 2) to remove the R/
L motor (30602-EA27) together with the
attachment plate (30602-M261).
4 . Unscrew HH4 × 4 (n = 2) to remove the
holder bearing (32164-M216).
5 . Unscrew BS3 × 6 (n = 3) to remove the
attachment plate (30602-M261).
6 . Replace the F/B motor (30602-EA27).
7 . Reassemble the parts in the reverse order.
8 . Perform AUTO TRC ADJUST
(see 8.11
[p168]) .
7.3.6 U/D motor (30601-EA28)
Replacement part: 30601-EA28
1 . Remove the covers (see Section 6 [p63]) .
2 . Unscrew AS4 × 6 (n = 2) to remove the U/
D motor (30601-EA28) together with the
bracket (30601-M211).
3 . Unscrew HH5 × 6 to remove the pulley
(32907-M106).
4 . Unscrew FC3 × 6 (n = 3) to replace the U/
D motor (30601-EA28).
5 . Reassemble the parts in the reverse order.
6 . Adjust the position of the bracket (30601-
M211) by lightly pressing the belt (32156-
M098) so that the belt bends about 3 - 4
mm.
7 . Adjust the tension of the belt (32156-
M098) so that the tension after the
replacement becomes almost the same as
before.
8 . Perform AUTO TRC ADJUST (see 8.11 [p168]) .
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