b. see p a r a g r a p h 3 - 8 7 andremove oil separator (85).c. Remove nuts (82),clamp andbracket (84),nuts(83), andscrews(W.d. Remove screws (49), washers (51)andnuts(50T Loosen clamps andremove hoses(47 and48).e. Remove clamp (44) andremove filler neck(43Lf. Remove remainder of items in sequentialordir.~. InSt._dl in reverse sequence of removal.3 - 1 6 5 . F u e l T r a n s f e r P u m p s .See f i g u r e 3 - 2 8 andproceed as follows:a. Servicing.(1)Twist and remove cover and gasketfrom body of fuel pump (3’7and38).(2) Carefully remove filter from fuel pumpbody.(3) Wash filter with cleaning solvent FederalSpecification P-D-680 and dry thoroughly.(4) Inspect filter andgasket for tears. Re-place defective filter and gasket.(5) Position filter, and gasket in fuel pumpbody andsecure with cover.~. Testing. Test each fuel pump (37 and38)one at a time as follows:(1) Disconnect fuel hose assemblies fromfuel pumps.(2) Connect top(inlet) of fuel pump to a fuelsource.(3)Connect bottom (outlet) of fuel pump toa clean empty container.(4) Connect a 24-Vdcpower supply to malereceptacle and ground, observing ground polarityrequirements (+ or -) as stamped on fuel pumpbracket. Fuel pump should deliver 18 gallons perhour of fuel with zero pressure. If fuel pump isinoperative, there may be an open circuit in thewire lead assembly. If fuel pump does notoperateafter rechecking electrical testconnection, re-place the fuel pump.(5)At completion of test, reconnect fuelhose assemblies to fuel pump (37and 38).c. Replacement.See f i g u r e 3 - 2 8 (detail A)and-proceed as follows:(1) Disconnect connectors on fuel pumps(37and 38).(2) Disconnect hose assemblies (24).3 - 7 8C h a n g e 9(3) Disconnect tube assembly (30) from bothfuel pumps (37and38).(4) Remove fourscrews (34) and nuts(35)which secure fuel pumps.(5)To reassemble, reverse the disassemblysequence.3 - 1 6 6 . F u e l S e l e c t o r V a l v e a n d L i n e s R e p l a c e m e n t .See f i g u r e 3 - 2 8 and remove andreplace item num-bers (24), (25), (15), (17), (16), (18),(20),(19),(21), (23), (22), (27), (28)and(29), as required.K E Y t o f i g . 3 - 2 8 :1.Tube2.Atomizer3.Adapter4.Solenoid valve5.Screw6.Nut6A. Nut7. Bracket7A. Strap8.Ether tank9.Screw10.NutlOA. Nut11.Screw12.Nut13.Cap andchain14.Adapter15.Hoseassembly16.Elbow17.Elbow18.Hoseassembly19.Elbow20.Elbow21.Hoseassembly22.Elbow23.Elbow24.Hoseassembly25.Connector26.Elbow27.Screw28.Nut29.Fuel selector valve30.Tube assembly31.Elbow32.Elbow33.Elbow34.Screw35.Nut36.(Deletefi)37.Fuel pump38.Fuel pump39.Fuel cap40.Fuel cap gasket41.Hook42.Strainer43.Filler neck44.Clamp45.Fillerneck hose46.Clamp47.48.49.50.51,52.53.54.55.56.57.58.59.60.HoseHoseScrewNutWasherHoseTeeHoseTeeHoseHoseTeeHoseScrew61.Nut62.Washer63.Load bank supportbracket64.Screw65.Nut66.Washer67.Bracket68.Screw69.Nut70.Washer71.Tail pipe bracket72.Rivet73.Fuel selector valveinstruction plate74.Screw75.Nut76.Cap and chain77.Cotter pin78.Nut79.Bolt80.Clevis80A. Nut80B. Washer80C. Screw80D. Nut80E. Washer, flat80F. Washer, bevel80G. Screw81.Lifting frame82.Nut83.Nut84.Clamp and bracket85.Oil separator86.Screw
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