46
Teledyne API Model 480M O
3
Monitor User Manual
09420A DCN8343
7.4. SAMPLE PUMP REPLACEMENT
1.
Disconnect power from the monitor.
2.
Open front panel and locate sample pump assembly (See Figure 7-1).
3.
Unplug the pump power connector from the mainboard PCA at connector J9 (shown
in Figure 7-3).
4.
Keeping track of which tubing is connected to inlet and outlet, remove clamps (or
ties) that hold tubing to pump nipples, and remove tubing.
5.
Remove the four screws attaching the sample pump assembly to the chassis.
6.
Turn over pump assembly and remove the two screws holding the sheet-metal base to
the pump.
7.
Install the base on the new pump.
8.
Install new pump assembly in chassis.
9.
Reconnect tubing; note that outlet fitting of pump should be connected to tubing
routed to the ‘Exhaust’ fitting on rear panel.
10.
Re-install new tubing clamps or cable-ties to secure tubing connections.
Figure 7-3. J9 Pump Connector on Mainboard
