This task covers: Inspect
Tool Kit, Service Refrigeration Unit,
Section III, Item 2
Refer to TM 9-4120-408-24P for part
Recovery and Recycling Unit, Refrigerant,
numbers of items to be replaced.
III, Item 9
Manifold Gage, Charging and Testing,
Power disconnected, refer to applicable
system technical manual.
General Safety Instructions
Do not work on equipment without following standard shop
Ensure that power has been disconnected before performing
maintenance on electrical components.
Do not work on equipment with power
connected. Electrocution hazard is present.
Failure to obey this warning may result in
death or serious personal injury.
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.
This procedure applies to an electrical lead between differential pressure switch, S7, and terminal board,
TB4, contact TB4-1. The procedure for the electrical lead between differential pressure switch, S7, and
terminal board, TB4, contact TB4-2 is similar.
Inspect electrical lead (Figure 5-16, 1) for cracks, burns, loose or damaged terminals.
Change 1 5-46