TM 5-3895-377-13&P (1) (2) (3) (4) (5) (6) Maintenance Level Group Maintenance UNIT DS GS DEPOT Tools and Number Component/Assembly Function C O F H D Equipment Remarks Data Plates Replace 0.1 1,2 42 ELECTRICAL EQUIPMENT 4202 Electrical Controls: Ground Rod Assembly Repair 0.1 1 Control Box Assembly Replace 0.8 1 4203 Circuit Breakers, Cut Out Devices, Fuse, and Fuse Holders: Low Oil Sensor Switch Replace 0.3 1 Start/Stop Switch Replace 0.3 1 20A Circuit Breaker Replace 0.3 1 40A Circuit Breaker Replace 0.4 1 Flame Detector Replace 0.3 1 Burner Relay Replace 0.3 1 Pump Motor Relay Replace 0.3 1 Thermal Overload Replace 0.2 1 Relay 4206 Thermostatic, Automatic, and Manual Control Devices: Temperature Sensor Replace 0.3 1,2 Thermostat Replace 0.3 1 4211 Power Receptacles: Power Inlet Replace 0.6 1 A 47 GAGES (NON ELECTRICAL), WEIGHING AND MEASURING DEVICES 4702 Gages, Mountings, Lines, and Fittings: Low Oil Indicator Replace 0.3 1 B-7