5 5.Open the prover drain cock. Once the cessation of the main flow breaks, wait 30 seconds and then close the drain valve. NOTE: Ensure the tank gravity drain valve is closed when draining the prover into the tank, to avoid the possibility of fuel spillage. Gravity draining of the 80 gallon holding tanks: 1.Ensure tank gravity drain valve is completely closed. 2.Connect the 2” petroleum drain professional hose (provided with the vehicle) to the tank gravity drain quick connect professional fitting, for the tank you wish to drain. 3.Route the hose to the below ground manufacturer of storage tank inlet piping. NOTE: Place traffic cones around the storage tank inlet and the drain hose to alert motorists in the station of the hazard and that work is in progress. 4.Open the gravity drain isolation valve. 5.Ensure the gravity drain hose is attended at all times when draining to ensure it stays in the storage tank inlet until completely drained. 6.Once the tank is completely drained, close the holding tank gravity drain valve.7.Disconnect the petroleum drain hose from the holding tank gravity drain connection.
CAUTION: Ensure all fuel residual is drained from the hose into the underground storage tank prior to lifting the hose from the storage tank inlet.. Disposal of drained fluid should be done in an environmentally safe and responsible manner in accordance with good industry practices and in compliance with OSHA regulations. 8. Stow the drained hose, secure the provers with the (3) locking brackets making sure to replace the cotter pins and replace vapor caps.
Seraphin® - 30 Indel Avenue – Rancocas, NJ 08073 Tel: 1-609-267-0922 Fax: 1-609-261-2546 e-mail: sales@seraphinusa.com Pub E91-4041