Preventive Maintenance
Pump Rebuilding
5-10
Model 146
i
Instruction Manual
Thermo Fisher Scientific
3. Remove the four screws from the top plate, remove top plate, flapper
valve, and the bottom plate.
Figure 5-5.
Rebuilding the Pump
4. Remove the screw the securing the diaphragm to piston and remove
diaphragm.
5. Assemble the pump by following the previous steps in reverse, make sure
the Teflon® (white) side of the diaphragm is facing up and that the
flapper valves cover the holes of the top and bottom plate.
6. Test the pump for leaks. Refer to “Leak Test and Pump Checkout” in
the “Servicing” chapter.
Top Plate
Flapper Plate
Bottom Plate
Diaphragm
Summary of Contents for 146i
Page 1: ...Model 146i Instruction Manual Dynamic Gas Calibrator Part Number 102482 00 30Jan2008 ...
Page 4: ......
Page 16: ...Contents xii Model 146i Instruction Manual Thermo Fisher Scientific ...
Page 148: ......
Page 188: ...Troubleshooting Service Locations 6 26 Model 146i Instruction Manual Thermo Fisher Scientific ...
Page 258: ...System Description I O Components 8 16 Model 146i Instruction Manual Thermo Fisher Scientific ...
Page 273: ...Thermo Fisher Scientific Model 146i Instruction Manual 9 15 Figure 9 5 Bench Mounting ...
Page 274: ...9 16 Model 146i Instruction Manual Thermo Fisher Scientific Figure 9 6 EIA Rack Mounting ...
Page 275: ...Thermo Fisher Scientific Model 146i Instruction Manual 9 17 Figure 9 7 Retrofit Rack Mounting ...