TM 10-6640-239-13 B-4 SECTION II.  MAINTENANCE ALLOCATION CHART FOR MODULAR BASE LAB (1) (2) (3) (4) Maintenance Level (5) (6) Unit Direct Support General Support Depot Tools and Equipment Ref Code Remarks Code Group Number Component Assembly Maintenance Function C O F H D 00 Petroleum Laboratory Semi- Trailer Mounted, Inspect Remove/Install Repair .1 .3 01 Semi-Trailer Assembly Inspect Remove/Install Repair 1, 2, 3 A 01 Flashlight, Fire Extinguisher, First Aid, and Burn Kit Inspect Remove/Install .1 .4 1, 2, 3 B 01 Gas Cylinder and Propane Storage Locker Vents Inspect Remove/Install .1 .3 2, 3 01 Emergency Light Ballast Box Inspect Remove/Install .1 .5 1 01 Main Power Panel Components Inspect Remove/Install .1 1.0 1, 2 01 Panel Board No. 2 Components Inspect Remove/Install .1 .5 1, 2 01 Explosion Proof Distribution Box A3 Components Inspect Remove/Install .1 1.0 1 01 GFI Indicating Switches Inspect Remove/Install .1 .4 1 01 Motor Controller Inspect Remove/Install .1 .3 1 01 Wall Switch Inspect Remove/Install .1 .3 1 01 Receptacles Inspect Remove/Install .1 .2 1 01 Blackout Microswitch Inspect Remove/Install Adjust .1 .5 .1 1 01 Hot Water Heater Distribution Box Inspect Remove/Install .1 .4 1