TM 5-3805-260-10MAINTENANCE CONCEPTThe Tractor-Scraper will not require any new or special maintenance consideration. All maintenance functions can beaccomplished within the current maintenance concepts established for construction equipment.a.Operator/Crew Maintenance. Operator and crew maintenance is limited to daily preventive maintenancechecks and services.b.Organizational Maintenance. Organizational maintenance consists of scheduled preventive maintenanceservices, minor repairs, and adjustments.c.Direct Support (DS) Maintenance. Direct support maintenance consists of repairs on-site or in direct supportunit’s shop. Repairs are accomplished with a minimum of tools and test equipment. Maintenance is performed on arepair-and-return-to-user basis, and organizational maintenance repair parts are supplied to using units.d.General Support (GS) Maintenance. General support maintenance units receive equipment for repair andoverhaul from direct support units, collection points, supply units, and other activities for which they are assignedmaintenance support responsibilities. GS units operate on a repair/overhaul and return to supply system principle.e.Depot Maintenance. The primary purpose of Depot maintenance is to augment stocks of serviceable assetswhich require maintenance that is beyond the capability of General Support Maintenance Activities. Depotmaintenance is usually accomplished in fixed shops and facilities that are government owned and operated,government owned and contractor operated, or contractor owned and operated.MAINTENANCE ALLOCATION CHART (MAC)Maintenance will be performed as necessary by the category indicated in the Maintenance Allocation Chart (TM 5-3805-260-24) to retain or restore serviceability. All authorized maintenance within the capability of a using organization will beaccomplished before referring the item to support maintenance. Higher categories will perform the maintenance functionsof lower categories when required or directed by the appropriate commanders. Using and support units may exceed theirauthorized scope and functions in the MAC when approval is granted by the next higher support MaintenanceCommander.A-4
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