4D3P300 Rev1
(4D35 Service Manual)
Page 2 of 2
The following instructions refer to 4D3
cryoscopes without a suffix:
a. Remove the seven screws from the
deck and remove the deck.
b. Disconnect the hose from the pump
mechanism.
c. Remove the wingnut that secures the
two brackets to the chassis, and then
remove the brackets.
5. Unplug the thermoelectric connector and
the block probe from the main control
board.
6. Lift out the old cooling assembly and
replace with the new one.
7. Reassemble the instrument by reversing
steps 1-5.
A
B
D
C