49
13.
Using the Molex Extraction Tool, remove pins 7 and 8 (the pins which go to the black wires).
14.
Using wire cutters, clip the black tubing going into the MAC Valve.
15.
Remove the two screws that hold the MAC Valve onto the SPE-DEX 4790 chassis.
16.
Install the nitrogen tubing onto the MAC Valve:
a.
The line going into port “A” on the MAC Valve should come from the top fitting on the
Water-Inlet Valve Actuator.
b.
The line going into port “B” on the MAC Valve should come from the bottom fitting on the
Water-Inlet Valve Actuator.
c.
The bottom line extends to the gas supply port on the bulkhead of the SPE-DEX 4790.
17.
With the tubing attached, replace the screws which hold the MAC Valve in place.
18.
Plug the electrical pins into the Molex connector taking care to orient the pin such that the u-channel
aligns with the post inside the Molex connector. The pin will
only fit in one direction.
19.
Attach both halves of the Molex connector together.
20.
Set the MAC Valve by performing the following:
Press Here
to Unlock
4
3
2
1
8
7
6
5
Summary of Contents for SPE-DEX 4790
Page 1: ...SPE DEX 4790 Solid Phase Extraction System Service Manual ...
Page 6: ...5 Notes ...
Page 39: ...38 ...
Page 47: ...46 ...
Page 59: ...58 8 Schematics 8 1 Nitrogen and Solvent Delivery System ...
