Lubricate The Pump Module - Hach APA 6000 Maintenance And Troubleshooting Manual

Lubricate the pump module

N O T I C E
Too much grease applied to the lead screw can cause dirt to collect on the lead
screw or contaminate the optical switch.
Items to collect:
• Phillips screwdriver
• Grease, high temperature, non-flammable
1. Open the analyzer door and look at the pump piston. Refer to
Figure 3. When the pump piston is in the full forward position, set the
power switch to off.
2. Pull the pump module out of the analyzer approximately 76 mm
(3 in.). Refer to the illustrated steps in
3. Apply a drop (2–3 mm) of the supplied grease to the lead screw
where the lead screw exits the front of the motor.
Do not apply grease to the part of the screw that extends out the
back of the pump module.
4. Push in and attach the pump module to the analyzer. Do the
illustrated steps in Figure 3
5. Set the power switch to on.
Figure 3.
in reverse order.
Figure 3 Lubricate the lead screw
English 9