What is the recommended torque practice when re-securing fixture lens retaining rings or covers during a PM service to prevent future water infiltration?
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A
Tighten as firmly as possible using maximum hand force
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B
Hand-tighten to snug, then a quarter-turn with tools to compress the gasket without cracking the housing
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C
Leave fasteners finger-tight to allow for thermal expansion
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D
Use thread-locking compound on all fasteners