Piston must be removed from the Flowrator Distributor Assembly for proper Expansion Valve operation.
To remove piston from Flowrator Distributor Assembly :
1. Loosen the 13/16 nut 1 TURN ONLY, relief pressure. No pressure loss
2. indicates possible leak.
3. Remove the nut and discard the black seal.
4. Remove the check piston and discard.
5. Use a tube cutter to remove the spin closure on the suction line.
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