TYPES OF BLOCKS

TM 9-2520-270-34

Reading Inspection Trees

Use the inspection tree as a road map. Read through the tree one block at a time, performing all

steps and answering all questions. This will lead you to a failed component or assembly that could

be the problem. Be sure to complete every block in the branch of the tree you are following. Do not

stop if you find a failed component. Many faults can cause damage to several components. The

inspection tree will direct you to check for secondary damage that could be caused by a fault.

TYPES OF BLOCKS

There are several types of inspection tree blocks. The following examples will discuss the types of

blocks.

Procedural Block

A procedural block will tell you to perform an element of a task, a complete task, or several tasks. At

the end of this block, you will be asked a question based upon the task(s) you have performed.

Perform each step in order.

This is a portion of a task to be performed. When you perform this step,

do only the task steps in the REMOVE element.

This is the title of the task you will perform. It will be followed by a page

number where that task begins.

This is a question that requires a decision to be made based upon your

inspections as you perform the task element. The branch you will follow

depends upon your answer to the question.