TM 9-2350-247-20-1PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDINGLUBRICATION INSTRUCTIONS — Continued0128 00NOTEThe length of the torque wrench is measured from the center of the handle to the center of thedrive. The length of the adapter is measured from the center of the drive to the center of thewrench.Corrected reading = Required torque valueLength of torque wrench + length of adapterLength of torque wrenchIn the following example, the torque wrench measured 12 inches (30 cm) and the adapter measured 3 inches(8 cm). From step (4), the required torque is 104 lb-ft (141 N•m).4) Replace mission track tension adjuster mount screws (1). Tighten loose screws to 130–140 lb-ft (176–190N•m) torque. Use adapter (WP 0541 00, Item 2) and torque wrench (WP 0541 00, Item 3).Use 3 inch adapter.Use 1/2 inch drive torque wrench.To determine the corrected reading for this task, use the formula:Corrected reading = Required torque valueLength of torque wrench + length of adapterLength of torque wrenchCorrected reading = 130 lb-ft12 inches + 3 inches12 inchesCorrected reading = 130 lb-ft15 inches12 inchesCorrected reading = 130 lb-ft1.25Corrected reading = 104 lb-ftRepeat above steps for other value.2.CLEANINGa.GENERAL. Cleaning is very important. All parts must be cleaned well and kept clean during maintenance. Dirt orforeign matter can cause malfunctions and equipment failure. General cleaning procedures are detailed in steps bthrough n. Special cleaning procedures are covered in the task relating to the specific part.0128 00-6
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