Hanna Instruments HI 903 - Manual (Page 32)

2-8
SETUP
Figure 2
Connect the air pump with the following steps (see Figure 2.):
(1) Retrieve the air pump cable (PUMP 2) from inside the right bay. Connect the cable
to the air pump as shown in Figure 2. The air pump connector is located on the
left side of the motor.
(2) Lower the pump into the titrator, then slide it towards the front of the titrator
chassis until it is firmly latched.
(3) Secure the pump with the locking screw.