TM 9-4120-411-14
Section IV. REMARKS FOR FIELD DEPLOYABLE ENVIRONMENTAL CONTROL
UNIT, 66,000 BTU/HR
Reference Code
Remarks
A
External at C and O maintenance levels.
Internal at O maintenance level and above.
B
Preventive Maintenance Checks and Services (PMCS)
C
Limited to component part replacement at O level maintenance and above.
D
Limited to component part replacement at F level maintenance and above.
E
Replace 1/4 turn receptacles, threaded rivet nuts, lanyards and quick release
pins only.
F
Minor weld repairs and straighten at H level maintenance
G
Replace circuit board at F level maintenance and above. All other electrical
assembly components can be replaced at O level maintenance and above.
H
Applies to 9 Cable Assemblies part numbers 9454140, 9454141, 9454142,
9454143, 9454144, 9454145, 9454146, 9454147, and 9454148,
I
Replace coil at F level maintenance or above. All other components can be
replaced at O level maintenance and above.
Other than those items listed above there are no supplemental instructions or
explanatory remarks required for the maintenance functions listed in Section
II. All functions are sufficiently defined in Section I. Active time listed for
maintenance task functions are with the air conditioner shutdown.
B-7/(B-8 blank)
