TM5-6115-593-34NAVFAC P-8-631-34TO-35C2-3-463-2seven capscrews.(7) Attach the pump cooling line to the checkvalve elbow (1, figure 13-24) on the gearpump.(8) Connect the shut-off valve electricalconnections.(9) Connect the throttle lever linkage.(10) Connect the fuel pump line to the pumpshut-off valve.e. Repair. Repair the fuel pump by replacingdefective or worn parts as determined in paragraphs aand f.f. OverhaulandRebuilding. Refer to figures 13-20 through 13-25 and proceed as follows:(1) Remove the fuel pump in accordance withparagraph d.(2) Clean outside of fuel pump with anapproved solvent that will not harmaluminum surfaces.(3) Mount the fuel pump in holding fixture andswivel vise.(4) Remove elbow (9, figure 13-24) and theorifice elbow assembly (1); clean parts infuel oil and dry with compressed air blownthrough bottle ends.(5) Remove the pulsation damper (figure 13-25)from the gear pump and discard O-ring (4).(6) Remove the gear pump (figure 13-24) fromthe main housing by removing capscrews(3), lockwashers (4), screws (6), washers(8), and lockwashers (7). Tap lightly with aplastic hammer to loosen dowel; removegear pump and discard gasket (5).(7) Remove the fuel shut-off valve by removingscrews (1, figure 13-22) from the top of themain housing and discard O-ring (4).(8) Remove the governor spring pack (figure13-23) by removing screws (3), washers (4),lockwashers (5), screws (6), andlockwashers (7). Lift off governor anddiscard gasket (9).NOTESteps (9) thru (25) are rebuildinstructions for the fuel pump housingassembly, code A. Steps (26) thru (41)are rebuild instructions for the fuel pumphousing assembly, code B.(9) Remove filter screen cap (10, figure13-20), cap seal ring (11), filter spring(12), and fuel filter screen assembly(13).(10) Remove pin (37), driver (38), washer (39),spacer (40), plunger (34), shim (35), andspring (36).(11) Heat housing in oven to 300°F (149C) andpress out governor sleeve and barrel (41,42).(12) Remove three screws (2), lockwashers (3),fuel control cover (4), snap ring (5), andbarrel plunger (6).(13) Remove and discard O-rings (7 and 8).(14) Remove nut (14), lockwasher (15), washer(16), screw (17), and throttle lever (18).(15) Remove two screws (19), and throttle shaftcover (20).CAUTIONUseextremecarewhenremovingthrottleshaftcover(20)toavoiddroppingball(21).(16) Remove ball (21), unscrew fuel adjustingscrew (23), and remove and discard O-ring(24).(17) Remove snap ring (25), throttle shaft(27), and discard O-ring (26).(18) Visually inspect throttle13-47
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