Reagent Disk (Cooling Unit); Reaction Bath - Hitachi 902 Service Manual

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14.2.7

Reagent Disk (cooling unit)

(1)
Open the side panel L, and drain water manually from the circulating pump intake header.
(2)
Remove the main unit cover.
(3)
Remove the table support R1.
(4)
Remove the reagent jacket retaining screws.
(5)
Open rear plates A, B and side panel R, and remove cooling unit retaining screws and
connectors.
(6)
While lifting the reagent jacket, remove tubes L and R from the reaction bath, then detach
the cooling unit.
(7)
Remove connectors J520 and J521.
(8)
Detach the retaining screws and remove the disk.
14.2.8

Reaction Bath

(1)
Open side panel L, and drain water manually from the circulating pump intake header.
(2)
Remove the main unit cover.
(3)
Remove the rinse mechanism for sample, reagent and stirrer.
(4)
Remove the reaction bath water level sensor.
(5)
Detach retaining screws and remove the bath.
Drain tube
Circulating pump
14 - 10

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