Preventive Maintenance
Pump Rebuilding
Thermo Electron Corporation Model 48i Instruction Manual 5-5
Pump Rebuilding Use the following procedure to rebuild the pump (Figure 5-2). To replace
the pump, see “Pump Replacement” in the “Servicing” chapter.
Equipment Required:
Flatblade screwdriver
Pump rebuild kit (flapper valve and diaphragm)
1. Turn instrument OFF, unplug the power cord, and remove the cover.
2. Loosen the fittings and remove both lines going to the pump.
3. Remove the four screws from the top plate, remove top plate, flapper
valve, and the bottom plate.
Figure 5-2. Rebuilding the Pump
Equipment Damage Some internal components can be damaged by small
amounts of static electricity. A properly grounded antistatic wrist strap must
be worn while handling any internal component.
Top Plate
Flapper Plate
Bottom Plate
Diaphragm
To Next Page
Loading...
