General Information
57X mm 42.11.001
Important: Perform the Brake Inspection maintenance operation before lubricating the slack adjusters.
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Visually check for physical damage, such as broken air lines and broken or missing parts.
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Using a quality multipurpose chassis lubricant, NLGI Grade 2, lubricate the slack adjuster through the grease fitting until clean lubricant flows from the grease relief opening in the boot.
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Perform the "In Service Inspection."
Note: