Bulletins
| Bulletin | Bulletin date | Replacement Bulletin | Item no. | Summary | Added |
|---|---|---|---|---|---|
| SERVICE BRAKES, AIR | |||||
| ITS-4879 | 04/19/2012 | 10043964 | New flyer: correct airline routings to drain valve and sr-1 valve. *kb | 05/03/2012 | |
| ITS-4888 | 04/19/2012 | 10043966 | New flyer: install spacer block on cross-member of rear suspension beam assembly. *kb | 05/03/2012 | |
| 1798A | 01/01/2002 | 635286 | Subject regarding front air brake circuit modification to improve brake mileage. *tt | 10/21/2002 | |
| 1734B | 01/01/2002 | 631280 | Subject regarding full brake application with the air system pressure at governor cutout level may cause air to escape from the spring brake control valve. *tt | 05/21/2002 | |
| 1399A | 01/01/2001 | 618673 | Information on restoring brake release timing to fmvss 121 standards and improving the park brake apply time. *tt | 04/19/2001 | |
| 1149B | 01/01/1999 | 606130 | Modification of the brake air lines and the addition of a relay valve on the front brakes, with abs. *tt | 08/10/1999 | |
| SERVICE BRAKES, AIR - ANTILOCK | |||||
| 1141B | 01/01/2000 | 610481 | Subject regarding modification of abs air system lines and connectors. *tt | 05/02/2000 | |
| SERVICE BRAKES, AIR - ANTILOCK - CONTROL UNIT/MODULE | |||||
| 3397 | 12/01/2007 | 10023759 | New flyer - install new timer module on air dryer. make and model year unknown. *nj | 01/30/2008 | |
| SERVICE BRAKES, AIR - DRUM - CHAMBER | |||||
| 1107A | 01/22/1999 | 602973 | Installation of plugs in rear brake chambers. *yc | 01/22/1999 | |
| SERVICE BRAKES, AIR - SUPPLY - HOSES, LINES/PIPING, AND FITTINGS | |||||
| ITS-4607 | 06/20/2011 | 10038551 | New flyer: procedure to replace the interlock air regulator. *rm | 06/20/2011 | |
| ITS-4607 | 06/20/2011 | 10038551 | Ready | 06/20/2011 | |
| 1593A | 07/11/2001 | 621660 | Some c40lf coaches using the meritor lf axle set up, may have a brake line connected incorrectly to the e10 brake vavle, which is causing the break linings to wear out pre-maturely. | 09/28/2001 | |
| 1593A | 01/01/2001 | 620578 | On some coaches, the brake lines were connected incorrectly to the e10 brake valve, which caused the brake lines to wear out prematurely. *tt | 08/15/2001 | |
| SERVICE BRAKES, AIR - SUPPLY - QUICK RELEASE VALVE | |||||
| ITS-4607 | 06/20/2011 | 10038551 | New flyer: procedure to replace the interlock air regulator. *rm | 06/20/2011 | |
| ITS-4595 | 06/01/2011 | 10038549 | Ready | 06/20/2011 | |
| ITS-4607 | 06/20/2011 | 10038551 | Ready | 06/20/2011 | |
| ITS-4595 | 06/01/2011 | 10038549 | New flyer: installation procedure for shields to prevent contamination in valves. *rm | 06/20/2011 | |
| SERVICE BRAKES, HYDRAULIC | |||||
| 1137A | 01/01/1999 | 604576 | Procedures on replacing hydraulic splash guard. *tt | 05/05/1999 | |
| 1142A | 01/01/1999 | 604573 | Procedure on detecting a leaking hydraulic pump. *tt | 05/05/1999 | |
| 98021098936B | 04/27/1998 | 600152 | Subject pertaining to changing the retarder control configuration from a 1oo% applied from the brake to a 50% from the throttle and 50% from the brake. *yc | 04/27/1998 | |
| SERVICE BRAKES, HYDRAULIC - ANTILOCK | |||||
| 1525A | 01/01/2002 | 635902 | Subject regarding installation of an output wire to control the start up and shut down of the anti-skid system (abs) electronic control unit (ecu) used on d40lf and c40lf models. *tt | 11/02/2002 | |
| ITS1035A | 05/05/1998 | 601435 | Subject on incorrect abs blink code switch wiring. *yc | 08/04/1998 | |