Item No. 1 2 4 5 TM  10-4930-204-13 Table 4-1. Organizational Preventive Maintenance Checks and Services Monthly     Schedule-Continued Item To Be Inspected Procedures Check for and have Repaired, For Readiness Reporting, Replaced, Adjusted as Equipment is Not Ready/ Necessary Available If: WARNING Disconnect intervehicle cable from vehicle before maintaining or replacing elec- trical components. ELECTRIC MOTOR  (EMD) ELECTRICAL JUNCTION BOX (EMD) INTERVEHICLE CABLE ON-OFF SWITCH CABLE ASSEMBLY (EMD) VEHICLE POWER SUPPLY (EMD) Check for proper connections or loose mounting hardware. Check for proper operation. If motor is defective, notify Direct Support  Maintenance. Check for damaged receptacles, housing, or cover gasket. Inspect relay switch inside junction box for loose or corroded ter- minals and connectors. Clean corroded connections, replace defective parts. Check cable assembly and connectors for damage. Test for continuity. Replace defective parts. Check switch for proper operation. Check cable and connector for damage and con- tinuity. Replace switch and cable assembly or defective connector. Check batteries on transporting vehicle to assure adequate power supply for opera- tion of electric motor. (Refer to appropriate TM- for transporting vehicle) Motor inoperative. Electrical spark at exterior of motor. Defective relay switch. Electrical spark at exterior of junc- tion box. Excessively damaged cable or con- nectors which could cause elec- trical spark, or create an unser- viceable condition. Switch inoperative. Damaged cable assembly which could cause electrical spark. Batteries damaged or low on charge, Vehicle charging system inoperative. Change  4  4-10.1  /(4-10.2  Blank)