TM 10-6640-238-13 B-6 SECTION II.  MAINTENANCE ALLOCATION CHART FOR MODULAR BASE LAB – Continued (4) Maintenance Level Unit Direct Support General Support Depot (1) Group Number (2) Component Assembly (3) Maintenance Function C O F H D (5) Tools and Equipment Ref Code (6) Remarks Code 04 Purge Intake/Exhaust Door Inspect Remove/Install Repair .1 .3 1.7 1, 2, 3 04 Purge Intake Door Damper Motor Inspect Remove/Install .1 .3 1 04 Purge Exhaust Door, Roadside Inspect Remove/Install Repair .1 .3 1.7 1, 2, 3 04 Purge Exhaust Door, Curbside Inspect Remove/Install Repair .1 .3 1.7 1, 2, 3 04 Purge Intake and Exhaust Door Filter Inspect Remove/Install .1 .3 1 05 Mechanical Room Purge Exhaust Damper Motor Inspect Remove/Install .1 .4 1 05 Curbside Exhaust Damper Motor Inspect Remove/Install .1 .4 1 06 Air Compressor Inspect Remove/Install Test .1 .7 .1 1 06 Air Tank Inspect Remove/Install Test .1 .7 .1 1 06 Vacuum Pump Inspect Remove/Install Test .1 1.0 .1 1 A 06 Water Pump Inspect Remove/Install .1 .5 1 A 06 Water Tank Inspect Remove/Install .1 2.0 1 A 06 Water Chiller Inspect Remove/Install .1 .7 1 A 06 Electric Steam Boiler Inspect Remove/Install .1 .5 1 A 06 Boiler Low Water Cutoff Pump Control Inspect Remove/Install .1 .5 1 A 06 Boiler Low Water Pump Inspect Remove/Install .1 .4 1 A