TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
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TM 9--2350--311--20--2 Change 2 2--45 d. Inspection will usually be visual and must consist of at least a walk-around examination of all equipment to observe any deficiencies that may have occurred. Inspect equipment in open storage weekly and equipment in covered storage monthly. Inspect all equipment immediately after any severe storm or environmental change. The following are exam- ples of things to look for during visual inspection. 1 Leaks: coolant, fuel, oil, or hydraulic fluid. 2 Condition of preservatives, seals, and wraps. Seals may develop leaks during storage, during exercise, or shortly thereafter. If leaking continues, refer to the repair procedures in this manual or notify support mainte- nance. 3 Corrosion or other deterioration. 4 Missing or damaged parts. 5 Water in compartments. 6 Any other obvious shortcomings or deficiencies. 7 If unsatisfactory conditions occur, and are beyond unit maintenance capabilities, notify support maintenance. e. Purge and charge fire control instruments as required (TM 750--116). f. Inspect cannon at the time recoil mechanisms and equilibrators are exercised. 2--30 EXERCISING Exercise equipment before administrative storage if schedule calls for exercising during administrative storage. Refer to Appendix J for instructions on exercising the recoil system using the recoil exerciser. Refer to TB 9--1000--234--13 for re- quirements on exercising the recoil system. Limit depreservation to removal of materials that will restrict exercising. Per- form the before, during, and after operational checks in accordance with TM 9--2350--311--10. Take immediate action to correct shortcomings and deficiencies noted. Exercise all hydraulic units when exercising the vehicle. Notify support main- tenance before exercising vehicle. Note inspection results on DA Form 2404 and exercise results on DD Form 1970. Re- cord and report maintenance actions on DA Form 2407. After exercising, replenish fuel and note on DD Form 1970. Re- plenish oil used during exercising and note the amount on DA Form 2408--20. 2--31 ROTATION To assure use of all assigned materiel, rotate items in accordance with any rotational plan that will keep howitzer in an operational condition and reduce maintenance.