Bird Technologies 6091P - Manuale (Pagina 37)

Air Filter Cleaning
Remove and clean the air filter element according to the following instructions. Refer
to figure 14.
1. Use the flat blade of a small screwdriver to gently pry off the air filter
cover.
2. Remove the four screws and lock washers that secure the air filter to
the front panel.
3. Scrub the air filter with hot soapy water until clean. Rinse the filter
in a stream of hot water to remove all traces of soap.
4. Reinstall the filter on the front panel using screws and lockwashers
removed in step 2.
5. Snap the air filter cover back in place on the front panel.
Drain the Coolant and Replace Coolant Filter
Remove and replace the coolant filter according to the following instructions. Refer to
figures 15 and 16.
WARNING
Coolant containing ethylene glycol is a potential health hazard. Avoid ingestion, inhaling of
vapors and eye and skin contact.
1. Shut down calorimeter unit according to the shutdown procedure.
2. Remove the four screws securing the top cover to the instrument case,
if used. Place the Calorimeter unit on a flat surface with the rear
panel extending out over the edge.
3. Place a suitable container below the drain tube. With the container in
place, remove the reservoir filler cap.
4. Open the drain valve by turning the hex counter-clockwise. Allow all
of the coolant to drain from the Calorimeter.
25
Maintenance
Figure 15
Draining the Coolant