Figure 3-12. Power Supply PP-968/TMQ-5, Top View.

TM 11-6660-204-25

EL6660-204-25-TM-34

Figure 3-12. Power Supply PP-968/TMQ-5, Top View.

b. Inspect all connections for frayed wires or defec-

tions. Insure that the leads near the fan blades do not

tive solder joints. Check the leads to jacks J301 and

have excess slack so that they can be accidentally

J302 and plugs P301 and P302. Insure all tube

pulled into the fan.

shields are properly seated and that all components

3-18. Clean and Inspect the Power Supply

are securely mounted (ground connections).

Interior

3-17. Clean and Inspect Interior of Fan

a. Clean the power supply top (fig. 3-12) and bot-

Panel

tom (fig. 3-13) using a vacuum cleaner. Remove any

a. Clean the interior of the fan panel using a vac-

dirt or corrosion with isopropyl alcohol and a lint free

uum cleaner and a small brush. Thoroughly vacuum

cloth.

the motor, terminal block E1, and plug P1. Use the

b. Inspect for security of all tubes in their sockets

small brush to clean the screen over the fan.

and for burned or damaged components.

b. Check all cables for frayed wires or loose connec-