Replace The Pump Head For Air Pump (Piston Pump) - Hach PHOSPHAX sc LR User Manual

Maintenance

5.8 Replace the pump head for air pump (piston pump)

48
Pinch hazard. Parts that move can pinch and cause injury. Do not touch moving parts.
1. Push Menu, then select SENSOR SETUP > PHOSPHAX sc LR.
2. Select DIAG/TEST > MAINTENANCE > SELECT PROCESS > CHANGE PISTON,
then push Enter.
The analyzer prepares to change the piston and counts the remaining time in
seconds down to zero.
3. Change the piston. Refer to the illustrated steps that follow
4. Push Enter.
The instrument resets the counter and enters service mode.
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