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Page Title: SCALE INSTALLATION
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TM 5-4210-218-13&P 4-12   SCALE INSTALLATION. This task covers: a. Assembly   b. Installation INITIAL SETUP Equipment Condition Tools Reference General Mechanics Tool Box, Item 1, Section Cover removed from Recovery / Recharger Unit; III, Appendix B. paragraph 2-6.1 Materials/Parts Air supply disconnected, paragraph 2-7 New Recovery / Recharger Unit 4-12.1   Assembly.  (Refer to Figure 4-4) CAUTION Every scale is a relatively delicate, precision mechanism which gives best results when handled with care. NOTE A new scale will be shipped with the column unattached.  The initial replacement steps involve scale assembly.  Each Bench Dial Scale is packed in two separate boxes, one for  the  dial  head  mechanism  and  the  other  for  the  base  mechanism.    Open  the  box containing the dial head mechanism and carefully remove the contents. a. As  shown  in  Figure  4-4.a,  remove  two  screws  (1),  washers  (2)  and  shipping  bracket  (3)at  the  low  end  of  the column assembly.  Discard the bracket but retain the two fastening bolts b. Open the box containing the base and lever mechanism and carefully remove the contents. c. Lift the platform off the base and set it aside. d. Turn the base assembly upside down and loosen the locking nut (6)on each of the four adjustable feet. e. As shown in Figure 4-4,b place the dial head mechanism and base assembly on their sides.  Be sure that the dial chart is facing the lever mechanism. f. Line up the holes in the bottom of the column assembly with the corresponding holes in the base assembly. g. As  shown  in  Figure  4-4,c  insert  two  washers  (2)  and  screws  (1)  (from  para  a)  through  the  bottom  of  the  base assembly and into the column assembly.  Tighten screws as much as possible. h. Using a set of pliers, grasp the end of the steelyard assembly (4) but use caution not to scratch or damage the ’V’ bearing hook.  Hook the ’V" bearing hook under the tooled steel pivot (5) as shown in Figure 4-4.d 4-11

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