NAVY DOD-B-24668 (1)-1997 BEARING UNIT MAIN THRUST SUBMARINE PROPULSION SYSTEM《潜艇推进系统主戟轴承单位》.pdf

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1、DOD-B-24668 (1) M 0b 2027934 T92 DOD-B-24668( SH) AMENDMENT 1 29 January 1997 MILITARY SPECIFICATION BEARING UNIT, MAIN THRUST, SUBMARINE PROPULSION SYSTEM This amendment forms a part of DOD-B-24668(SH). dated 27 August 1986. and is approved for use by the Department of the Navy and is available for

2、 use by all Departments and Agencies of the Department of Defense. PAGE 10 3.2.10.1.3: iine 5, Add the following: “(Note: Refer to paragraph 3.5.2 whenever the housing cap is removed.)“ PAGE 27 Add as new paragraph: “3.5.2 Journal bearing weardown gauge plate. Whenever the upper housing cap is remov

3、ed, if the journal bearing is not being replaced, the following procedure shall be performed: ( 1) Prior to removing the upper housing, take and record the journal bearing wear reading. (2) After the housing is reinstalled retake the journal bearing wear reading, and record any difference in the bef

4、ore and after readings. (3) If the “after“ reading is greater, add this difference to the old benchmark reading which is stamped on the weardown gauge plate of the housing: if the Wter“ reading is less, subtract this difference. This is the new benchmark reading. Cross out the old reading and stamp the new benchmark reading to the weardown gauge plate.“ Preparing activity: Navy - SH (Project 3 130-N006) FSC 3130 PISTRIBUTION STATEMENT A. Approved for pubic release: distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-