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Sniperscope: MWO 5-9342-1 |
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Newsman4
newsmen Joined: Apr 29 2017 Status: Offline Points: 16 |
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Posted: Oct 08 2017 at 11:15am |
November 2017-E MWO 5-9342-1 Modification Work Order Modification of Sniperscope, Set No. 1, 20,000 Volts, Adapted to M2 Carbine
Background: The Modification Work Order A Modification Work Order (MWO) is a printed order directing that a certain part or assembly already received and accepted by the U.S. Army be altered or upgraded. Often the item(s) to be modified were already in service. Unlike manuals the MWO's were limited distribution items as they were only sent to the maintenance personnel of the particular units that serviced the equipment to be modified. The modifications in an MWO may have already been implemented at the manufacturer. They are not an indication of when the modification or change was initially implemented other than it was sometime prior to the issuance of the MWO. Sometimes years prior. Modifications were dependent on the availability of the parts and tools necessary to make the modifications. Sometimes a MWO included a number of modifications. If a particular part was not critical and out of stock or unavailable at the time the work was done the modifications that could be completed were carried out. Semantics The language of the Corps of Engineers can be a bit confusing. What follows is an attempt to interpret the instructions in MWO 5-9342-1 so they make sense to the rest of us. The information below consolidates the information spread out in the two pages of text instructions in the MWO. At the top of this page you can download and print the MWO to follow along. Note the copy attached was absent page 3 which contains figure 1. The missing diagram would be helpful with understanding the narrative that precedes it for the work to be done. If anyone has a better quality copy of the MWO or the missing page we ask that you share it with the club. We have recreated what we think figure 1 was to help explain items in the MWO. Paragraph 2 "New Parts Required" Item 1. Eye shield assembly. Engineer part No. D8247-18. (To be requisitioned only as needed.) Discarded when replaced.
becomes defective, and replace it with a new eye shield assembly
Item 2. Grip switch bracket. Engineer part No. D8247-119. Item 3. Modified switch, grip assembly. Engineer part No. D8247-41.
Item 4. Light source adjustment eccentric. Engineer part No. 08247-28-3; wingnut part No. D8247-26-2 Instructions: Install adjusting eccentric (item 4, fig. 1)
Item 5. Shielded Cable Grip. Engineer part No. D9373-1 Old Cable Grip Discarded
Item 6. Modified telescope mounting bar. Engineer part No. D8247-8-5
Item 7. Fiberglas cover. Engineer part No. D8247-49-2
Item 8. Spacer, aluminum. Engineer part No. C3375-6; Filter, out of corrector lens and filter assembly, No. 775-871 Discarded
Item 9. Reticle housing assembly. Engineer part No. D8247-19 (Modified) (includes #332 bulb). Indicates discarded in one paragraph. In another to be returned to Columbus for modification if practical.
Item 10. Cover, lamp socket. part No. D8247-24-1; gasket: part No . D8247-24-4 cover
Item 11. Fuse holder. Engineer part No. D8247-53-5 and 6.919/B775-163 Twist lock type Discarded
Item 12. Fuse, cartridge, 5 amp. 32 volt, 3AG, Ord. 142630. Old fuse Discarded Instructions: Remove the 3 ampere fuse and replace with 5 ampere. Comment: Power Pack fuses Item 13. Screw, machine pan head, slot, 6-32 NC-2A x 3/8 long.
Template & Gimlet Instructions: Items discarded Battery Case Nuts Instructions: Tighten as necessary and stake with "glyptol" The Carbine Collectors Club Copyright© 2017 www.USCarbineCal30.com This article and/or it's images are the property of the author. They're not to be copied without prior written permission (Title 17, Chapter 5, Section 501(a) U.S. Code)
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m1a1fan
Hard Corps Got Para? Joined: Jan 01 2016 Location: Virginia Status: Offline Points: 1736 |
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Somehow missed this one the first go around. Another great article. Have no idea what most of it means, but it really is fascinating. Thanks to the writer(s).
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