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June 20, 2008 <br />• i <br />Dry Trim 118a <br />VIF <br />MODEL D-2 <br />ACCELERATOR TRIM <br />The Viking Corporation. 210 N Industrial Park Drive, Hastings MI 49058 <br />Telephone: 269-945.9501 Technical Services 877-384.5464 Fax: 269.946.4495 Email: techsvcs@vikingcorp.com <br />AIR GAUGE <br />510E OUTLET VALVE <br />K,, 1/4' PLUG <br />112' R 114 x 1-12-(38) <br />ELBOW V2 x 3'91 • <br />pz) <br />~ 112 x 2'(51) <br />112'ELBOW <br />112'UNION + } <br />® 112 x 1.12^ (38) <br />12 x 5.112'(140) I 12'UNION <br />I 12- ISOLATION VALVES d <br />I NORMALLY OPEN T11 112. 1-12' (38) <br />(9�I`�II►Jy'/p♦_(SEE NOTE 2) r'J <br />c\ n 8 <br />L n WARNING TAG <br />$ 112 x 4-12' It 14) <br />3'64'-12 x 9.12'(241) A c <br />8'-112x 10'(254) ue <br />m <br />I € V eIR'ELBOW <br />112 x 1.112-(38) <br />I r <br />it 4 <br />Model D-2 Accelerator Trim <br />Valve Size <br />Trim Part Number <br />3', 4. 6 6' <br />09730 <br />Standard Trim Sets include galvanized nipples <br />and fittings. <br />General Notes: <br />• Accelerator must be trimmed as shown. Any <br />deviation from trim size or arrangement may affect <br />operation of the Accelerator. <br />• Dimensions in parenthesis are millimeter and may be <br />approximations <br />• Viking uses ASME fitting designations Tee shall be <br />called out in the following order: 1 - largest outlet on <br />run, 2 - Smaller outlet on run, 3 - Branch size. <br />Note 1: The Mcdel D-2 Accelerator is not included <br />with trim packages and must be ordered separately <br />(P/N 09881) Accelerators must be trimmed as <br />shown For instructions pertaining to PLACING THE <br />SYSTEM IN SERVICE, refer to Technical Data for the <br />Model D-2 Accelerator. <br />Note 2: Accelerator Isolation Valves are NORMALLY <br />OPEN Do not close either Isolation Valve, except <br />cloning system hydrostatic lest and when servicing the <br />Accelerator <br />Accelerator Operation: <br />(Refer to Accelerator Technical Data) <br />1st: System au pressure is reduced <br />2nd: Accelerator operates, exhausting air pressure from <br />inlet piping and routing the system air into the inter- <br />mediate chamber of the Dry Valve <br />CAUTION: When resetting air to accelerator, all air In <br />top chamber of accelerator must be bled to zero so <br />it will seat when adding air The air can be bled by <br />loosening the air gauge on top of the accelerator <br />Revised page replaces page 118a dated February 9, 2007 <br />