User Manual of CIC-D100 Ion Chromatograph
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6. Remove bubbles in the pump and start the pump for test.
Figure 6-1 Pump check valve position
Figure 6-2 Inlet direction of check valve
：
Only when the direction of the check valve is correct can the infusion pump
drive the liquid to flow to the flow path, otherwise the liquid cannot be sucked in. There is a
coil on the inlet side of the unobstructed check valve. Liquid enters from the coil side and
exits from the loop-free side.
6.3.2 Replacement of check valve
1. Carefully disassemble the check valve according to the steps of cleaning the check valve;
2. Install the new check valve according to the relevant procedures for cleaning the check
valve. Be careful not to install it in the opposite direction.
6.4 Replacement of sealing ring or plunger rod
Damaged sealing ring or plunger rod will cause leak of pump body, unstable system flow
Outlet check valve
Inlet check valve
线圈
Coil
流通方向
Direction of flow
Caution
