6.Lift the vessel out from the top. Use the boom and hoist for models 8DM100 and 8DM150; vessels for smaller models can be lifted out by hand.
7.All vessels may be discarded, except BA17 and AC17. These vessels can be returned to the factory for credit. See page 11 for return procedure.
8.Lower a new vessel into place from the top. Use the boom and hoist for models 8DM100 and 8DM150; vessels for smaller models can be low- ered by hand.
9.Close the hinged support clamps to secure the new vessel to its support bracket.
10.Connect the unions on the top and bottom of the vessel.
11.Replace all cabinet panels.
12.Record the date of change on the spare label sup- plied with the replacement vessel; stick the label to the top of the purifier.
WARNING
To restart the purifier, follow the procedure described in the
Boom Assembly
A boom and hoist assembly are provided with Models 8DM100 and 8DM150. Use the boom and hoist to re- move and replace the activated carbon filter and cata- lyst vessel according to the Preventive Maintenance Schedule in this manual. The boom is stored inside the cabinet in the back left corner. The hoist is strapped to the bottom of the purifier cabinet frame.
To use the boom and hoist:
1.Lift the boom assembly out from the top and set it on one of the bases provided on two sides of the purifier (each base looks like a
2.Attach the hoist to the boom hook.
3.Swing the boom hook over the vessel.
4.Attach the hoist to the handles provided on the vessel.
5.Disconnect the unions on the top and bottom of the vessel.
6.Using the hoist, lift the vessel out of the purifier cabinet.
7.Swing the boom to the side and use the hoist to lower the vessel to the floor.
8.Attach a new vessel to the hoist; using the boom assembly, lift the vessel above the cabinet and lower it into place.
9.Store the boom assembly inside the purifier cabi- net.
Coalescing Filter Element Replacement
To replace the element:
1.Shut down the purifier according to the Shutdown procedure.
2.Disconnect electrical power to the automatic drain valves.
3.Remove cabinet panels to expose filter.
4.Carefully remove black foam insulation from filter bowl and set aside.
5.Mark center drain line and outer drain line for re- connection, then disconnect the drain lines from the filter bowl.
6.Remove the threaded coalescing filter bowl from the top casting, using a strap wrench if necessary.
7.Remove the saturated element from the bowl.
8.Clean the bowl with soap and water. Do not use solvents.
9.Insert a new element in the bowl.
10.Reattach the bowl to the top casting.
11.Reattach the center and outer drain lines.
12.Replace the black foam insulation and secure it with tape.
13.Reconnect electrical power to the automatic drain valves.
14.Replace all cabinet panels.
Pyramid 8000® Series Purifiers (Bulletin 289) | 13 |
