TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download

(2) Maintenance code, indicates the lowest category of maintenance authorized to install the list item. The maintenance level codes are: Code Explanation O Organizational maintenance level, providing local end item repair and return to service, or on cite repair service. F Direct support maintenance level, providing either local mobile or direct service unit fried shop repair and return to use service. H General support maintenance level, providing mobile or fixed shop repair and return to user, or to supply stock center. D Depot maintenance level, providing fried shop repair, Major facilities, and return to supply stock service. (3) Recoverability code, indicates whether unserviceable items should be returned for recovery or salvage. Items not coded are ex- pendable. Recoverability codes are: Code "R" “T b. Explanation Applied to repair parta and assemblies which are repaired at DSU and GSU levels. These repair parts which are not economically repairable at depot level will be recovered at DS / GS main- tenance levels and will be replaced from supply on an exchange basis. Applied to high dollar value recoverable repair parts which are subject to special handling and are most economically repaired, overhauled or rebuilt at depot maintenance level. These parts will be recovered at depot level and will he replaced from supply on an exchange basis. Such repair parts normally are repaired or overhauled at depot maintenance activities. Federal Stock Number, Column 2. This column indicates the Federal stock number assigned to the item and will be used for requisitioning purposes. c. Description, Column 3. This column in- dicates the Federal item name and a brief description of the item. A part number or other reference number is preceded by the applicable five-digit Federal supply code for manufacturers in parentheses. All reference numbers that are not preceded by a Federal supply code are to be construed as 19207 items (Army Tank- Automotive Command, Warren, Michigan). The words “early”, “intermediate”, and “late” are used to denote engine production engineering changes. These descriptive words are used in lieu of engine serial number effective points. Reference to the pertinent illustration will enable identification of part (s) required. Repair parts quantities included in kits, sets, and assemblies are shown in front of the repair part name. Material required for manufacture or fabrication is identified. The Description Column also has a heading denoting the Government Grouping that parts belong to, as shown in TM 750-93-1 : All standard hardware and Military standard parts are identified in the Description Column with sizes and given in Group 9501 list. Standard parts are arranged within the group in alphabetical part name order, in ascending sizes. d. Unit of Measure, Column 4. A two character alphabetical abbreviation indicating the amount or quantity of the item upon which the allowances are based, e.g., ea, pr, ft, yd, etc. e. Quantity Incorporated in Unit, Column 5. This column indicates the quantity of the item used in an engine. f. 30-Day DS/GS Maintenance Allowances, Columns 6 and 7. Note. Allowances in GS column are for GS maintenance only. (1) The allowance columns are divided into three subcolumns. Indicated in each subcolumn, opposite the first appearance of each item, is the total quantity of items authorized for the number of equipments (engines) supported, Items authorized for use as required but not for initial stockage are identified with an asterisk in the allowance column. (2) The quantitive allowances for DS/GS levels of maintenance will represent initial stockage for a 30-day period for the number of equipments (engines) supported. g. 1-Year Allowances Per 100 Equip- ments/Contingency Planning Purposes, Column 8. This column indicates opposite the first appearance of each item the total quantity required for distribution and contingency planning purposes. The range of items indicates total quantities of all authorized items required to provide for adequate support of 100 equip- ments (engines) for one year. h. Depot Maintenance Allowance Per 100 Equipments (Engines), Column 9. This column indicates opposite the first appearance of each item, the total quantity authorized for depot maintenance of 100 equipments (engines). Items authorized for use but not for initial stockage are identified with an asterisk in the allowance column. B-2