TM 9-4120-408-14
5-7. CONDENSER VANVE AXIAL FAN MAINTENANCE
This task covers:
Remove
Test
Repair
Install
INITIAL SETUP:
Materials/Parts (Continued)
Tools
Tool Kit,-Service Refrigeration Unit,
Lock washers, Appendix G. Item 14 (Dehydrator)
Lock Washers, Appendix G. Item 14
Cropping Tool, Appendix B. Section III, Item 3
Refer to TM 9-4120-408-24P for part numbers of items
to be replaced.
Recovery and Recycling Unit, Appendix B. Section III,
Item 7
Personal
Power Supply, 28v, Appendix B. Section III, Item 8
Two personnel are required for lifting the condenser
vane axial fans from the condenser housing
Regulator, Nitrogen, Appendix B. Section III, Item 9
Equipment Conditions
Manifold Gage, Charging and Testing, Appendix B.
Section III, Item 16
Air Conditioner shut down, paragraph 2-5.
Leak Detector, Appendix B. Section III, Item 17
Power disconnected,
refer
to
applicable
system
technical manual.
Materials/Parts
Condenser Assembly removed from shelter, refer to
Adapter, Cable Clamp, Appendix E, Item 1
applicable system technical manual.
Brazing Alloy, Appendix E, Item 5
Condenser Side Panel removed, paragraph 4-11.
Brazing Alloy, Appendix E, Item 6
Upper Condenser Protective Grille and
EMI/RFI
Ventilation Panel removed, paragraph 4-15.
Tetrafluoroethane, Appendix E, Item 9
General Safety Instructions
FLUX, Appendix E, Item 11
Do not work on equipment without following standard
Insulation Sleeving, Appendix E, Item 12
shop safety precautions.
Insulation Sleeving, Appendix E, Item 15
WARNING
Nitrogen, Appendix E, Item 18
Do not work on equipment with
Wire Ties, Appendix E, Item 26
power connected. Electrocution
hazard is present. Failure to obey
Tags, Appendix E, Item 27
this warning may result in death
Dehydrator, Appendix G. Item 2
or serious personal injury.
CAUTION
Dehydrator must be replaced every time the air conditioner lines are exposed to the
atmosphere. Failure to obey this caution may result in equipment damage.
Change 1
5-11
