General Guidelines
p4 mm 42.11
- Visually check for physical damage, such as broken air lines and broken or missing parts.
- 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.
- Perform the 'In Service Inspection.'
Important: Perform the Brake Inspection maintenance operation before lubricating the slack adjusters.
Note: