TM 3-4240-284-30&P
CHAPTER 1
INTRODUCTION
Section I. GENERAL INFORMATION
1-1. SCOPE.
Official Nomenclature
Common Name
a. Type of Manual. Direct Support Maintenance,
Gage, differential, dial indi-
Differential pressure
including the Repair Parts and Special Tools List.
eating
gage
b. Model Numbers and Equipment Names.
M56 gas-particulate filter Filter unit, gas-particulate,
M10 protective entrance:
M56
unit
Protective entrance control module
M 10 protective entrance Entrance, protective, pres-
M56 gas-particulate filter unit:
surized, M10
Main fan
Installation kit, M262
M262 installation kit
Airflow valve
Printed circuit board: power
Power card
Power distribution unit
Compartment control module
Control module, protective
Protective entrance
control module (PECM) entrance
M262 installation kit:
Airflow valve
Printed circuit board:
Switching card
switching
c. Purpose of Equipment. Provides filtered air
1-5. REPORTING EQUIPMENT IMPROVEMENT
under positive pressure to field shelters.
RECOMMENDATIONS (EIR). If your collective pro-
tection equipment needs improvement, let us know.
REPORTS. Department of the Army forms and proce-
Send us an EIR. You, the user, are the only one who can
dures used for equipment maintenance will be those
tell us what you don't like about your equipment. Let us
prescribed by TM 38-750, The Army Maintenance Man-
know why you don't like the design. Tell us why a proce-
agement System (TAMMS).
dure is hard to perform. Put it on an SF 368 (Quality
Deficiency Report). Mail it to us at Commander, US
1-3. DESTRUCTION OF ARMY MATERIEL TO PRE-
Army Armament Materiel Readiness Command, ATTN:
VENT ENEMY USE. Refer to TM 43-0002-31, De-
DRSAR-MAP-A, Aberdeen Proving Ground, MD21010.
struction of Chemical Weapons and Defense Equip-
A reply will be furnished directly to you.
ment to Prevent Enemy Use.
1-4. NOMENCLATURE CROSS-REFERENCE
LIST. This listing includes nomenclature cross-
-references used in this manual.
Official Nomenclature
Common Name
Control module, compart-
Compartment control
ment
module (CCM)
1-1