WHASP Tank Shuttle Valve Operation

Technical Support Subject WHASP Tank Shuttle Valve Operation Version Document Department Revision Details Author Reviewed by Implemented Tech. Eng. A EXT-ALL-027 Tech Document Release MSP BDJ N/A 17 Jan. 2022 Page 1 of 2 Knowledge Base: www.kb.vmacair.com Email: tech@vmacair.com Web: www.vmacair.com Technical Support: 1(888)241-2289 Sales:1(800)738-8622 Fax: 1(877)740-3201 SYSTEM OR PARTS AFFECTED • All WHASP Tanks. OVERVIEW Normal shuttle valve operation is critical to the blowdown procedure. Systems that fail to blowdown properly can lead to premature clutch failure. BEFORE YOU START Prior to commencing work, ensure all air is drained from the system and that the system has been allowed to cool down to a safe temperature. TROUBLE SHOOTING  Remove the caps from WHASP Tank (Figure 1). Figure 1 – Remove caps Technical Support Subject WHASP Tank Shuttle Valve Operation Version Document Department Revision Details Author Reviewed by Implemented Tech. Eng. A EXT-ALL-027 Tech Document Release MSP BDJ N/A 17 Jan. 2022 Page 2 of 2 Knowledge Base: www.kb.vmacair.com Email: tech@vmacair.com Web: www.vmacair.com Technical Support: 1(888)241-2289 Sales:1(800)738-8622 Fax: 1(877)740-3201  Slide the shuttle valve back and forth to the extent of its travel (approximately 1/8 in) (Figure 2). Figure 2 – Check shuttle valve for operation  If the shuttle valve jams, or is rough during its travel, the WHASP tank should be replaced.