TM 5-5420-209-12Table 4-4. Unit Troubleshooting.MalfunctionTest or InspectionCorrective ActionELECTRICAL1.FLOODLIGHTS INOPERATIVEstep 1.Verify switch position on individual lights and at control console.Turn switches to ON position.Step 2.Inspect each floodlight for defective lamp.Replace faulty lamp.Step 3.Inspect for damaged leads and connectors.Repair or replace damaged leads and connectors.step 4.Test switch on each floodlight for proper operation.Replace faulty switch.2.CLEARANCE AND MARKER LIGHTS INOPERATIVEStep 1.Inspect each light/marker for faulty lamp.Replace faulty lamp.Step 2.Inspect for damaged or loose leads and connectors.Repair or replace damaged leads and connectors.step 3.Inspect light/marker for proper operation.Replace faulty light/marker.3.BOOM INOPERATIVEWARNINGWhen disconnecting any hydraulic line, open line slowly and protect face, as hydraulic oil may spray outdue to residual pressure in system.4-27
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