Quantcast c.  Mounting Fuel Pump to Test Stand (Contd) - TM-9-2815-225-34P_501

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TM 9-2815-225-34&P 3-63. FUEL PUMP TESTING AND CALIBRATION (Contd) LOCATION/ITEM ACTION REMARKS c.  Mounting Fuel Pump to Test Stand (Contd) NOTE Lubricate tachometer drive gears in front cover to protect them from excessive wear during calibration. 13. Fuel pump assembly (71) a.  Mount on test stand adapter ring (67). b.  Secure with four screws (72) and washers (73). c.  Rotate main shaft so that one lug on drive flange is located at 12 o'clock position. 14. Test stand coupling insert Place into test stand drive shaft It may be necessary to hand (74) coupling (11) so that one lug of rotate drive shaft coupling (11) insert is at 11 o'clock position to attain this positioning of insert and another lug is at 1 o'clock lugs.  This is to assure easy position. engagement of fuel pump drive flange lugs into test stand cou- pling insert (74). 15. Clamp bar (70) Loosen and slide fuel pump Allow 0.0625 in.  (1.5875 mm) end assembly (71), test stand adapter clearance between drive coupling ring (67), and test stand adapter on fuel pump assembly (71) and bracket (66) on mounting rails (12) coupling insert (74) on test stand. until they engage with test stand Tighten clamp bar (70) when fuel coupling insert (74). pump assembly (71) is properly engaged. 3-470


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