ICS-900 Operator’s Manual
78 Doc. 065215-02 9/09
NOTE The inlet check valve assembly housing has a 1/4-28 port.
The outlet check valve assembly housing has a 10-32 port.
5. Inspect the new inlet check valve
assembly (P/N 045722) to verify that the
double-hole end of the cartridge is
visible (see Figure 5-8
).
If the double-hole end is not visible,
remove the cartridge from the housing
and install it correctly.
6. Inspect the new outlet check valve
assembly (P/N 045721) to verify that the
single-hole end of the cartridge is visible.
If the single-hole end is not visible,
remove the cartridge from the housing
and install it correctly.
Figure 5-8. Check Valve Assemblies
Figure 5-7. Pump Heads
Secondary
Pump Head
Primary
Pump Head
Outlet Check
Valve
Inlet Check
Valve
Double-hole
Single-hole
Flow
Flow
Inlet Check Valve Outlet Check Valve
1/4-28 Port
10-32 Port
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