How often do I service my ARB Air Locker?

Recommended Regular Service Schedule

Frequency of Service	Description of Service Check or Operation
After the first 1,500 miles (2,500km) of use, and after each subsequent 31,000 miles (50,000km) of off road use or 46,000 miles (75,000km) of highway use	Change differential oil. Clean or replace axle breather. NOTE: Always fill until almost level with filler plughole, manually rotate differential several times, then fill again until level with filler plughole. (See Recommended Lubricants Specifications.) If the axle installation angle has been modified (i.e. the vehicle has been raised) or is used for lengthy steep incline climbs, a standpipe may be needed to modify the filler level of the housing.
After every 7,460 miles (12,000km)	Check differential oil level and inspect for leaks.
After each use in water and/or mud	Change differential oil to maintain viscosity and to flush out any trapped water, mud, or other foreign particles. Clean or replace breather.
After each use in dense bush and /or protruding rocks	Inspect all section of exposed airline for abrasion or cuts.
After each heavy use (i.e., competition use)	Change differential oil to maintain viscosity and to flush out any foreign particles.
Every 6 months (maximum)	Operate the Air Locker to ensure it is in good working condition. Check air system for deposits of moisture condensation or oil. Flush clean with compressed air if necessary. Clean or replace axle breather.
NOTE: In addition to the service schedule above, always adhere to all service guidelines set forth in your vehicle manufacturer’s service manual.