listen for evidence of solenoidactuation. If no sole-(5)Install float switch (38) usingabove re-- noid action is heard, replace the solenoid valve (34).moval steps in reverse order.(3)Reconnect the electrical connector.c.Removal andReplacement. Replace the daytati– (42) as follows:c. Removal and Replacement. To repltice thesol=noid valve (34)proceed as follows:(1) Removal.(1)Open drain cock(36) on bottom of daytank(~) Open drain cock (36)on bottom of day(42)and drain talk coutents ir,to a suitable contain-tank (42)anddrain tank contents intoa suitableer.container.(2) Disconnect and tag electrical connectors(b)Tag and disconnect the electrical con-from the float switch (38) and the solenoid valvenectors frfim float switch (38)and solenoid valve.,(34).(34).(3) Disconnect fuel lines from day tank.(~) Unscrew the float switch (38)from theday tank (42)and lift the float switch assembly(4)Disconnect fuel line attached to elbow (31)from the tank.andremove elbow from tee (33).(d) Discomect fuel lines from daytankNOT E(42)and s~lenoid valve (34)If fuel winterizat ion kit is installed,(~) Remove the four screws (25) andwash-disconnect heater fuel shutoff valve(32)from tee (33).ers (28A) which secure day tank (42) to bracket (51)and remove daytank.(5) Remove the four screws (25) and washers(2) Replacement. Install day tank (42) by(28A) which secure daytank(42) to bracket (51)andusing the removal steps in reverse order.remove day tank.(6)Remove tee (33) from solenoid valve (34).3 - 1 6 0 . F u e l F i l t e r A s s e m b l y R e m o v a l a n d R e p l a c e -m e n t .(7) Unscrew and remove solenoid valve (34)from day tank (42).To replace the fuel filter assembly, see f i g u r e3 - 2 7 and proceed as follows:(8)Install new solenoidvalve (34)in reversesequence of removal procedures.NOT E3 - 1 5 9 . D a y T a n k a n d F l o a t S w i t c hRefer to p a r a g r a p h 3 - 3 4 for prc -cedure’s to replace filter elementSee f i g u r e 3 - 2 7 andproceed as follows:of fuel filter assembly.a. Inspection. Inspect the float switch (38) whichis iiiounted on the day tank (42) for loose connector(10), loose mounting, and other damage.~. Testing.‘Test the float switch (38) asfollows:(1) Remove connector (10)from floatswitch (38).(2) Remove float switch (38) from day tank(42).(3) Connect an ohmmeter between pina C andD of the connector (10) and verify continuitywhenthe bottom float is placed at its bottom position andverify open circuit whenfloat is placed at its topposition.(4)Connect an ohmmeterbetween pinsAand B of the connector (10)and verify continuitywhen the top float is placed at its bottom position andverify open circuit whenfloat is placed at its top posi-t ion.a. Removal.—(1)Open drain cocks on fuel filter assembly(9)and drain into suitable container.(2)Clean dirt from filter head, filter bodyand surrounding area.(3) Disconnect hoseassemblies (1 and 4) andremove fuel filter assembly (9) byremoving thefourscrews (7) and washers(8).b. Installation.(1) See f i g u r e 3 - 2 7 and replace fuel filterassembly (9) in the reverse order of removal.(2) Close drain cocks on fuel filter assem-blv (9).. . .3 - 7 6 C h a n g e 9
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