Emerson VSM, VSS Operation, Filter Removal and installation, all VSR Units, Outlet, Tank, Ring

Operation

To replace the filter element(s), on single ele- ment tanks, insert the element and make sure it fits onto the outlet connection. Install spring plate, and bolt the cover assembly in place. On units equipped with dual element tanks, insert inner element and make sure it fits onto the out- let connection. Put the centering piece on the outer element and slide into tank making sure the center piece fits into the inner element. Put spring plate on outer element and bolt the cover assembly in place.

2.Filter Removal and installation, all VSR Units.

Release the pressure in the oil filter housing by opening the bleed valves at the stop valve in the block and bleed assembly, or at the bleed valve for the oil filter housing. Be sure to follow all Lo- cal, State and Federal ordinances regarding the recovery of refrigerants.

FILTER	LOCKING	OUTLET
TANK	RING

FILTER

ELEMENT

INLET

FIGURE 2.

TYPICAL CANISTER TYPE FILTER CROSS SEC-

TION

Drain the filter bowl or housing in to an appro- priate container and dispose of the oil in a ap- propriate manner following all Local, State and Federal ordinances regarding the disposal of used refrigeration oil.

Loosen and remove the locking ring on filter tank by turning in a counter clockwise direc- tion. Remove filter tank with the used element.

Remove the filter element from the tank. Be- fore reassembling, thoroughly clean the tank to lengthen the life span of the filter element.

Wet the threads and O-ring on the head and the O-ring in the new element with clean re- frigeration oil.

CAUTION

Do not use a pipe wrench, hammer or any other tool to tighten the locking ring.

nsert new element into the filter tank with the open end visible. Attach tank to head and HAND TIGHTEN the locking ring.

The filter housing can be evacuated and then slowly pressurized to check for leaks before returning to service.

3.Filter Removal, VSS and VSM Units (after 5/1/00) when using Vilter Part Numbers 3111A (16” Simplex), or 3112A (39” Simplex) oil filter housings.

Release the pressure in the oil filter housing by opening the bleed valves at the stop valve in the block and bleed assembly, or at the bleed valve for the oil filter housing. Be sure to follow all Local, State and Federal ordinances regard- ing the recovery of refrigerants.

Drain the filter bowl or housing in to an ap- propriate container and dispose of the oil in a appropriate manner following all Local, State and Federal ordinances regarding the disposal of used refrigeration oil.

Loosen and remove the cover on the bowl of the filter tank by turning it in a counter clock- wise direction. Remove the used element.

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