TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
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TM 9–2350–311–20–2 2–37 2–14 GENERAL REPAIR PRACTICES General Procedures CAUTION Do not spot paint rammer valve plunger or roller as it will impede proper operation. 1 Damaged or worn paint should be touched up. In painting the howitzer, follow procedures outlined in TM 43–0139, Painting Instructions for Army Materiel. 2 If a screw, bolt, nut, or other fastener is surrounded by chipped or damaged paint or by rust, check to see whether the fastener is loose. Tighten the fastener. 3 Do not paint electrical harnesses, wiring, hoses, or finished machine parts. 4 Refer to para 1–14.5 for location of stencil markings on vehicle. NOTE When filing aluminum, clean file often with steel file brush. 5 Remove burrs, scratches, or raised metal. Use fine file (SC 5180–95–CL–A12), stone, or crocus cloth (item 11, Appx D) dipped in oil. Replace parts which have cracks or excessive burrs. 6 Code and tag electrical parts before removing. 7 Before testing circuits for continuity and for voltage across components, make sure connectors are tight and solder joints are securely joined. 8 See para 8–1 of this manual for replacement of typical electrical components such as male and female con- nectors, plugs, and receptacles. 2–15 WELDING Refer to TM 9–237, Welding Theory and Application Operator’s Manual, for welding instructions and welding materiels.