1-11. Reporting. You can improve this publication by recommending improvements, using DA Form 2028
(Recommended Changes to Publications and Blank Forms) and mail direct to Commander, US Army Tank-Automotive
Materiel Readiness Command, ATTN: DRSTA-MVB, Warren, MI 48090.
2-1. Maintenance Concept. The CCE Roller will not require any new or special maintenance considerations. All
maintenance functions can be accomplished within the current maintenance concepts established for construction
a. Operator/Crew Maintenance: Operator and crew maintenance is limited to daily preventive maintenance
checks and services.
b. Organizational Maintenance: Organizational maintenance consists of scheduled preventive maintenance
services, minor repairs and adjustments.
c. Direct Support Maintenance: Direct Support Maintenance consists of repairs on-site or in a direct support
units shops. Repairs are accomplished with a minimum of tools and test equipment; the assemblies and end items thus
repaired are returned to their users.
d. General Support Maintenance: General support maintenance overhauls selected assemblies and repairs
items designated by the area support command for return to stock.
e. Depot Maintenance: Depot maintenance overhauls end items and selected major assemblies when they are
required to satisfy overall Army requirements. Overhaul of the end item may also be performed by contract with the
2-2. Maintenance Allocation Chart. Maintenance will be performed as necessary by the category indicated in the
Maintenance Allocation Chart (MAC) (Appendix C) to retain or restore serviceability. All authorized maintenance within
the capability of a using organization will be accomplished before referring the item to support maintenance. Higher
categories will perform the maintenance functions of lower categories when required or directed by the appropriate
Commanders. Using and support units may exceed their authorized scope and functions in the MAC when approval is
granted by the next higher support maintenance Commander.