Thermo Scientific STD5000, User Manual

Page: 21 / 44

The E-Pi Plug-In Module
Fixed Orifice Replacement
Figure 4–2.
Fixed Orifice
Replacement
1. Used fixed orifice replacement kit SA45-8002-00.
2. Remove the E-Pi from the manifold according to “Replacing the E-Pi.”
3. Refer to Figure 4–3 and attempt to pull the fixed orifice out of the
supply leg with needle nose pliers. If this is possible, continue to step 5.
4. If you are unable to remove the fixed orifice with needle nose pliers,
turn the module over. Remove the four screws holding the E-Pi to the
plastic module. It is not necessary to disconnect the wires from the
module. Do not discard the O-rings. Push the fixed orifice out of the
leg with a small diameter wire.
5. Choose a corresponding color fixed orifice from the replacement kit.
Press the orifice tapered end first into the supply leg as far as it will go;
approximately
32
1
-inch will stick out of the leg.
6. Reassemble the E-Pi and plastic module (if necessary).
Thermo Fisher Scientific STD5000 & STD6000 User Guide 4-3