2702 HOYT AVE 2018-01-02 MF Import

Dry 120) 0 • March 28, 2013 DRY VALVE MODEL F-1 i The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058 Telephone: 269.945.9501 Technical Services: 877-384-5464 Fax: 269.818-1680 Email: tectlsvcs@vikingcorp.com tion in the housing (1) IV . Install the hand -hole cover bolls (21) finger tight only. v. Cross -tighten all hand -hole cover bolts (21), to 90 It. Ibs of torque to evenly compress the diaphragm (12) and maintain proper alignment of the member sub -assembly (5-15 8 17-19, 21, 25). 7. AVAILABILITY The Viking Model F-1 Dry Pipe Valve is available through a network of domestic and International distributors See the Viking Corp. Web site for Closest distributor or contact The Viking Corporation. 8. GUARANTEES For details of warranty, refer to Viking's current list price schedule or contact Viking directly. Table 3 - Troubleshooting Guide Condition: Possible causes: Suggested action: Check tha system for leaks and check for proper air supply A Viking Air Maintenance Device should be installed on each system equipped with Loss of air pressure in the system an automatic air supply Consider adding a maintenance air compres- The valve lops when no span. sot kler has fused Increase Inc air increase on the System The maximum limit is 60 PSI An extreme pressure surge in the (4 1 hat). Note Increasing system pressure may increase trip time of water supply the dry valve Inspect and clean the water seat and clapper rubber (see paragraph 4.8 Water leaking over the water seat Placing the Valve in Service) Consider replacing the clapper rubber. It Water constantly passing into the intermediate chamber the water seat has been pitted or damaged by debris, it may be neces. through the dnp check when sary to replace the base assembly the valve is in the SET post. lion Alarm test valve in the bypass Con- nection of the dry valve Inm nor tight- Verify that water is not getting past alarm lest valve ly closed inspect and clean the air seat and clapper rubber (see paragraph 4-8 Air leaking over the air seat into the Placing the Valve in Senncet Consider replacing the clapp'_r rubber If Au constantly passing through intermediate chamber the air seat has been pitted or damaged by debris, it may be necessary the drip check when the valve to replace the air plate assembly is in the SET position Air leaking past the rubber ilia- Inspect trier rubber diaphragm for tlelenorabon If necessary, replace the phragm diaphragm Verify that the re -selling tool used is smooth and of the proper strength and diamelel' to provide the required force at the appropriate angle to cause the latching hook to slide over the clapper arm when selling the incorrect resetting tool dry valve ' The Viking re-selhng tool is a 3/4' (19 mm) diameter cold rolled steel Clapper wiit not latch bar, chamfered at one end and a standard 15116' hex -socket on other end (PN 029776M) The hook not sliding on the re -setting File or grind the re -setting tool Remove any rough spots to provide a tool smooth sliding surface and proper clearance Clapper rubber worn Replace the clapper rubber Internal parts damaged by accidental Replace the valve member assembly application of high piesswe Improper resetting procedure See paragraph 4.0 Placing the Valve in Service Inadequate air supply See paragraph 4-8 Placing the Valve in Service The valve latches but will not Air pressure and priming water pass. Clean the au seal and the clapper rubber Replace the clapper rubber. remain set ing through the intermediate cham- it worn bet and out of the dnp check