7–6
Transpector CPM Operating Manual
7.6  Changing Diaphragms in the Foreline Pump 
7.6.1  Replacement Interval
The foreline pump diaphragm disks, valve seals, valve disks, and O-rings must be 
replaced every 8000 hours of operation.
7.6.2  Diaphragm kit PN 923-418-G1
Figure 7-1  Diaphragm kit contents
Valve
Disk
Valve
Seal
Thick
Thin
Diaphragm Disk
O-ring
O-ring
Diaphragm Disk
Valve
Seal
Valve
Disk
Thin
O-ring
Thick
O-ring