TM 9-4120-408-14
This task covers:
Remove
Repair
Inspect
Install
Test
INITIAL SETUP:
Tools
Equipment Conditions (Continued)
Tool Kit, Service Refrigeration Unit,
Air Conditioner shut down,
Section III, Item 3
4-11.
General Safety Instructions
Section III, Item 5
Do not work on equipment without
Material/Parts
following standard shop safety
procedures.
Ensure that power has been disconnected
before performing maintenance on
electrical components.
Refer to TM 9-4120-408-24P for part
numbers of items to be replaced.
NOTE
This procedure applies to electrical lead assembly from relay K1-A1 to relay K2-A2. The procedures
for all other electrical lead assemblies and diode assemblies are similar.
a. Remove.
WARNING
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.
NOTE
When removing diode assemblies note polarity.
to be disconnected.
NOTE
Remove spring clip and protective cover from pressure switches as required.
(2) Remove two nuts (2), lock washers (3), flat washers (4), remove and discard tiedown straps, and tag and
remove electrical lead assembly (1).
b. Inspect. Inspect electrical lead assembly (1) for cracked insulation, burns, loose or damaged terminals.
4-24