a, Loosen the twotop screws which secure thecov;r to the front panel.b. Remove the bottom two screws and let thefrofit panel slide down, then remove.c. Inspect the cross current adjust control forloo;e mounting, loose wiring, corrosion, andotherdamage.~. Inspect the terminal boards for loose mount-ing,loose terminal connections, and other damage.e. Inspect transformer for loose mounting,Ioo;e connections, corrosion, and other damage.& Inspect wiring for fraying, corrosion, andother damage.~. Inspect the special relayassembly for dents,loose mounting, loose connectors, and otherdamage.~. Replace by sliding frontpanel under the toptwo screws and securing it to special relay assemblywithbottom two screws.i. Tighten top two screws.3 - 1 5 2 . S p e c i a l R e l a y A s s e m b l y ( 4 0 0 H z ) I n s p e c t i o n .a. Loosen the two top screws which secure thecov;rto the front panel.b. Remove the bottom two screws and let thefrofit panel slide down then remove.c. Inspect the load sharing adjust and crosscur-ren~ adjust controls for loose mounting, loose wiring,corrosion, andother damage.d. Inspect the terminal boards for loose mount-ing~ loose terminal connections, for corrosion, andother damage.~. Inspect transformerfor loose mounting,loose connections, corrosion, and other damage.f. Inspect the relays for loose mounting, loosecofiections, corrosion, and other damage.~. Inspect wiring for fraying, corrosion, andother damage.h. Inspect the special relay assembly fordents,loo;e mounting, loose connectors, and other damage.i. Replace front panel by sliding the panel underthe~op two screws and securing it to special relayassembly with bottom two screws.~ Tighten top two screws.3 - 1 5 3 . L o a d M e a s u r i n g U n i t I n s p e c t i o n .Inspect the load measuring unitfordents, breaks,loose mounting, loose connector, and other damage.S e c t i o n X X I I . G E N E R A T O R A S S E M B L Y3 - 1 5 4 . G e n e r a l .The generatorassembly is used to generate elec-trical power. Maintenance at the organizationallevel consists of the following inspections.3 - 1 5 5 . G e n e r a t o r I n s p e c t i o n .a. Inspect ac generator ( f i g . 1 - 1 ) for excessivehea~ by placing an open handon the generatorendbell. If the hand cannot be maintained in this posi-tion for one minute, due to overheat, refer to nexthigher maintenance level.b. Inspect ac generator frame for cracks, andoth~rdamage.c. Listen for unusual noweswhile in operation.—3 - 1 5 6 . G e n e r a t o r B e a r i n g I n s p e c t i o n .Inspect ac generator bearing by removing inspec-tion cover plate.Examine bearing for signs ofwear, or discoloration due to overheating.S e c t i o n X X I I I . D A Y T A N K A N D F U E L F I L T E R A S S E M B L Y3 - 1 5 7 . G e n e r a l .primary fuel filter prevent foreign particles fromentering the day tank.A solenoidvalve on the mainThis section contains information on day tank andtank is used to control the flow of fuel to the day tank.fuel filter assembly. The daytank is usedto gravityThe solenoidvalve is controlled by the float levelfeed fuel to the fuel injector pump. The fuel suppliedswitch which is actuated by the level of the fuel into the day tank from the main tank passesthrough thethe day tank.strainer and primary fuel filter. The strainer and3 - 7 4
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