Replacement of the Fan Assembly

TM 9-6625-1753-14

5-13. Replacement of the Fan Assembly (Fig. 5-16)

a. Removal.

(1) Unsolder the two hookup leads (1)

connected to the solder lugs (2) on the fan

assembly (3).

Note. Before disconnecting the leads, record

their colors and the lugs to which they are

connected.

(2) Loosen the mounting plate (4) from the main

frame (5) by removing the three plate

mounting screws (6).

(3) Remove the two mounting screws,

lockwashers, and the two nuts (7, 8, and 9)

that fasten the fan assembly to the main

frame. (Be careful not to drop the washers

and nuts within the main frame.)

(4) Ease the fan assembly (3) out of the main

frame and remove the two screws, washers

and nuts (10, 11 and 12) that hold the

mounting plate to the fan assembly.

(5) Remove the four screws, standoffs,

lockwashers and nuts (13 through 16) that

mount the fan screen (17) to the fan

assembly.

b. Installation. Using the reverse procedure of a

above, mount the fan screen to the fan assembly:

connect the mounting plate to the fan assembly: and

install the fan within the main frame. Solder the two

leads to the fan assembly lugs.

Note.

The fan, when on, should blow air

Figure 5-16. Replacement of the fan assembly.

outwards (exhaust type) from the main frame. If the

two leads have been interchanged, while being

connected, the fan will blow air into the main frame.

To correct this, unsolder the two leads, reverse and

reconnect them.

5-12