NOTE: VEHICLES EQUIPPED WITH MIDLAND BRAKE MAXIBRAKE 1 BRAKE CHAMBERS.THESE VEHICLES DO NOT COMPLY WITH C.M.V.S.S. 121 - AIR BRAKE SYSTEMS.THE BRAKE CHAMBERS DO NOT HAVE STROKE INDICATORS AS SPECIFIED IN THE STANDARD. CORRECTION: A MODIFICATION KIT WILL BE SENT TO OWNERS WHICH, WHEN INSTALLED, WILL BRING THE BRAKE CHAMBERS INTO COMPLIANCE WITH THE STANDARD.