RETAINER 2D2929 - Caterpillar

you are defining a problem with the brake system, perform the procedures that follow. First, perform visual inspections. The information is in this manual. When the visual inspections are complete and the problem is not fully understood, perform operational checks. The operational checks are in this manual. After visual inspections and operation checks are complete and the problem is not fully understood, perform test procedures. The test procedures are in this manual. These procedures will help identify system problems.Troubleshooting can be complex. Refer to Testing and Adjusting, "Brake System Troubleshooting" for a list of possible problems and corrections.This list of possible problems and possible corrections will only provide an indication of the location of a problem and the repairs that are required. Remember that a problem is not necessarily caused by one part, but by the relation of one part with other parts. This list can not provide all possible problems and corrections. Service personnel must find the problem and the source of the problem. Then, complete the necessary repairs.