T M 5 - 6 1 1 5 - 5 4 5 - 1 2T O - 3 5 C 2 - 3 - 4 4 4 - 1N A V F A C P - 8 - 6 2 6 - 1 2T M - 0 0 0 3 8 G - 1 2S e c t i o n X X X I . E L E C T R I C S T A R T E R A N D A D A P T E R3 - 1 8 9 . G e n e r a l .The starting motor is a heavyduty,24 volt overrunningclutch type unit. A solenoid switch, which is an integralpart of the starting motor is connected by linkage and ashift lever to a clutch in the starting motor nose housing.The solenoidshifts the starter piniongear into meshwiththe engine flywheel ring gear and holdsit in meshduring engine cranking.CAUTIONDo not operate starting motor formore than 15 seconds at a time.Allow at least 3 minutes before op-erating again. Failure to observe thisrule can result in over heatingandfailure of the motor.3 - 1 9 0 . S t a r t e r A s s e m b l y .~. Testing.Testing starter is an operational test.Perform test as follows:(1)Verify that the battery is fully charged(2)Verify that battery connector/terminalcontactsurfaces are not corroded.(3) Tighten battery connectors securely.(4)Verify that all leads to the starter and thestarter solenoid are tightened securely.(5)Verify that the three starter mounting boltsare tightened securely.(6) Refer to p a r a g r a p h 2 - 1 2 b and perform thestarting procedure while a qualified observer observesstarter motor operation.(7) If the starter solenoid emits an audible noiseeachtime the START-RUN-STOP switch is cycled intothe START position, andthe engine does not turn over,the starter assembly must be replaced.b. Starter Replacement.—(1) Removal.(a) Disconnect the negative cable from thebattery.(b) Tag and disconnect battery cables andelectrical wires from starter ( 3 , f i g . 3 - 3 8 . 1 ) .(c) Remove tool box to gain access to starterscrews (l).(d) Remove three 12-point screws (1) andthree washers (2).Remove starter (3) and starteradapter (4).NOTECheckringgear to assure that teeth arenot damaged.(2) Installation. Install the starter ( 3 , f i g . 3 - 3 8 . 1 )on the flywheel housing in reverse order of removal.3 - 1 9 1 . S t a r t e r S o l e n o i d .To test the starter solenoid proceed as follows:If the starter solenoiddoes not operate with an audibleclick eachtime the START-RUN-STOP switch is cycledintothe START position, check for 24 Vdc across sole-noidand ground. If voltage is present, the starterassembly must be replaced.S e c t i o n X X X I I . L U B E O I L F I L T E R S A N D S E N S O R S3 - 1 9 2 . G e n e r a l .The engine lubricating oil filters are of the full-flowtype andcontain replaceable elements. A drain plugin each filter permits draining of the filters beforereplacing the filter elements. The sensors providea means of monitoring the engine lubricating system.3 - 1 9 3 . O i l P r e s s u r e T r a n s m i t t e r .See f i g u r e 3 - 3 andproceed as follows:a. Testing.(1)Remove nut,lockwasher, flat washer, andelectrical lead from transmitter ( 1 8 , f i g . 3 - 3 )threaded terminal.(2) Using multimeter, measure resistancebetween transmitter screw terminal and ground. Ifmeasured resistanceon the R x 1 scale is greaterthan 60 ohms, replace the transmitter(18).If re-sistance is approximately zero ohms, crank engineto determine that resistanceincreases. If resist-ance does not increase, replace transmitter (18).b. Replacement.(1)Removal.(~) Remove nut, lockwasher, flat washerand lead from transmitter ( 1 8 , f i g . 3 - 3 ) threadedterminal.(~) Unscrew transmitter (18)from nipple(19).(2) Installation.(a) Screw transmitter ( 1 8 , f i g . 3 - 3 ) intothreaded fipple (19).C h a n g e 1 33 - 9 3
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