16.1 Each Chapter or Section is to start  with  a  general  description  of the  system and its operation and should be labeled Description and Operation. If there are interrelationships with  other  systems, they  should be explained. The function and operation of each unit in the system should be described as well as  the location of  the units.

16.2 Troubleshooting Section

The troubleshooting section should follow the material on Description and Operation. Troubleshooting in a complex system consists of:

a) Identifying sections that can cause specific types of trouble,

b) Isolating the section that is causing the trouble,

c) Identifying units in the faulty section that can cause the trouble,

d) Isolating the unit that is at fault, and

e) Correcting the cause of the trouble.

Troubleshooting information may be presented by either trouble­ shooting charts  (sometimes  called  "logic  tree"  charts)  or  by text, or a combination  of  text  and supplementary charts. If text is used, the procedures shall be grouped under  the  following  three basic functions: