Quantcast Oil Caps, Drain Cocks, and Valves

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Torque all parts to the recommended values, and align holes before you attempt to proceed with the safetying operation. Never overtorque or loosen a torqued nut to align safety wire holes. Oil Caps, Drain Cocks, and Valves These units are safety wired as shown in figure 5-24. In the case of the oil cap, the wire is anchored to an adjacent fillister head screw. This system applies to any other unit that must be safety wired individually. Ordinarily, anchorage lips are conveniently located near these individual parts. When this provision is not made, the safety wire is fastened to some adjacent part of the assembly. Electrical Connectors Under conditions of severe vibration, the coupling nut of a connector may vibrate loose. With sufficient vibration, the connector could come apart. When this occurs, the circuit carried by the cable opens. The proper protective measure to prevent this occurrence is by safety wiring, as shown in figure 5-25. The safety wire should be as short as practicable. It must be installed in such a manner that the pull on the wire is in the direction that tightens the nut on the plug. Turnbuckles After you adjust a turnbuckle properly, safety it. There are several methods of safetying turnbuckles. Only two of these methods have been adopted by the military services. These methods are shown in views 5-17 ANF0523 OIL CAPS DRAIN COCKS VALVES NOTE: THE SAFETY WIRE IS SHOWN INSTALLED FOR RIGHT-HAND THREADS. THE SAFETY WIRE IS ROUTED IN THE OPPOSITE DIRECTION FOR LEFT-HAND THREADS. Figure 5-24.—Safety wiring oil caps, drain cocks, and valves. ANF0525 RECEPTACLE BULKHEAD OR PLATE STANDARD FILLISTER HEAD SCREW (DRILLED HEAD) PLUG ADAPTER Figure 5-25.—Safety wiring attachment for plug connectors.



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