Waveguide Cleaning.

TB 9-1430-1533-40-1

and the top of the filter element and connect the lines to

and reconnect return manifold line to the upper

the drain and clear water source. Flush until there is no

connection of reservoir No. 4.

l. Start the pump and allow it to run for 20 minutes,

visible evidence of soap.

d. Remove the pressure-and-return lines and

add distilled water as required to reservoir No. 4.

m. Stop the pump and remove all hoses.

connect to the top of the filter housing and the upper

n. Clean the hoses and the filter housing with

connection of reservoir No. 1 (Versene-Acid solution).

Let the pump run for 60 minutes.

water.

e. Stop the pump and disconnect the pressure-and-

o. Switch off the heater power of the station and

return lines from the manifolds.

drain all reservoirs.

f. Remove the top connection from the transmitter

isolator RF (connected to the H connector of the PRESS

10. Waveguide Cleaning.

manifold). Carefully inspect the inside of the isolator.

Use a flashlight. Only red copper should be visible. If

a. Record the inscriptions exactly as they appear

there is still a black contamination, continue with step (g).

on the waveguide. (figure 11).

If not, proceed with step (h).

b. Submerge the corroded waveguide completely

g. Reconnect all connections (figure 10). Follow

into the Versene-Acid solution (160F).

instructions as described in step 8 substep o thru p.

c. Connect the PRESS and RETURN line of

Stop the pump and switch off rectifier (figure 2).

reservoir No. 1 to the pump and let the pump run.

h. Disconnect the line from the upper connections

d. Inspect the waveguide every 5 minutes.

of reservoir No. 1. and connect this line with the single

e. If there is still corrosion inside the waveguide

male connection hose to the drain.

after 60 minutes, repeat the procedure with pyrosulphate

i. Open the watertap and let the pump run until the

(160F) until all contamination has disappeared.

water exiting the item in test is clear.

f. Flush thoroughly with water.

j. Stop the pump and turn off the watertap.

g. Repeat flushing with distilled water.

k. Connect the suction-line of the pump to the

h. Thoroughly dry waveguide.

lower connection of reservoir No. 4 (distilled water)

Figure 11. Waveguide.