 |
|||
|
|
|||
|
Page Title:
CONDENSER FAN MOTOR UNIT MAINTENANCE |
|
||
| ||||||||||
|
|
 TM 9-4120-425-14&P
CONDENSER FAN MOTOR UNIT MAINTENANCE
THIS WORK PACKAGE COVERS:
Test
INITIAL SETUP:
Maintenance Level
Unit Support
Tools and Special Tools
Tool Kit, General Mechanics (Item 1, Table 2, WP 0118-00)
References
Terminal boards TB1 and TB5, WP 0037-00
Schematic Diagram, WP 0122-00
Equipment Condition
Main power source is disconnected, shut down and cool.
Canvas cover detached (WP 0018-00).
Top covers removed (WP 0019-00).
WARNING
Disconnect air conditioner power.
TEST
1.
Remove blue lead and red/yellow lead from terminal board TB5 to test condenser motor B3. Refer to WP 0122-00.
2.
Using an ohmmeter set on lowest ohms scale, check continuity between blue lead and red/yellow lead on motor B3.
Continuity should be indicated between these leads.
3.
Remove and test continuity between blue lead and black/yellow lead on motor B4. Continuity should be indicated
between these leads.
4.
Test for continuity between blue lead and green lead (ground) on both motors. Continuity should NOT be indicated.
5.
Rotate motor shaft very slowly and check for smooth and quiet operation of shaft. Shaft should rotate smoothly and
should not make grinding or binding noises.
6.
If either condenser motor fails any of the above tests, motor must be replaced. Report motor failure to Direct
Support Maintenance shop for replacement.
END OF TASK
0031-00-1
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals