Thermo 42i - Rebuilding the Pump

Preventive Maintenance
Pump Rebuilding
5-6 Model 42i Low Source Instruction Manual Thermo Electron Corporation
Figure 5-2. Rebuilding the Pump
2. Loosen fittings and remove both lines going to the pump.
Top Plate Screws (4)
Top Plate
Flapper Valve
Bottom Plate
Clamping Disk
Teflon Protection Wafer
Diaphragm
Diaphragm Mounting Disk