TM5-6115-593-34NAVFAC P-8-631-34TO-35C2-3-463-2Insert flyweight pins in the flyweights and check forbrinelling (wear pockets), looseness, or stickiness. At thesame time check the flyweight bearings. Replace bothflyweights together if either one is damaged.Figure 12-6. Ball Head DisassemblyPower pistons, buffer pistons, pilot valve bushings androtating bushings must have sharp edges on all lands.Replacement is necessary if any nicks, roundness ordamage is found.Check the magnet's magnetic field strength; it should be1100 gauss. Jumper contacts 3 and 4 of plug (51) andmeasure total resistance across terminals 1 and 2. Thisresistance should be 31.6 (5 percent) ohms at 70 F(21°C).a.Assembly. Lubricate all packings withpetrolatum. Lubricate all seals and metal parts beforeinstallation. Numbers on callouts of figures are the sameas numbers on figure 12-3 for cross-reference.(1) Install all pipe plugs in case andbase per exploded view figure 12-3.(2) Install check valves (110) in thecase (157) bottom and base (117) asshown in figure 12-7.(3) Assembly floating lever andFigure 12-7. Check Valve Installationspeed adjusting lever as shown in figure 12-8.(4) Assembly governor pilot valve bushing (120),pilot valve plunger (121), compensating bushing(122) and retaining ring (123), figure 12-9.(5) Assemble actuator pilot valve bushing (126,figure 12-10), pilot valve plunger (127),compensating bushing (130), magnet adjustingspring (129 and retaining ring (128).(6) Assembly clamp bracket (74, figure 12-11),restoring spring assembly (59 to 62, 64),transducer lever (58), restoring lever (72),eccentric pin (71), adjustable spring seat (56), andpilot valve plunger nut (55).(7) See figure 12-12.(a) Assembly packing (98), buffercap (97) and retaining ring (96) in the case.(b) Assembly packing (95) and screwplug (94) in case.12-10
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