TM 3-4240-302-30&P-3
CHAPTER 1
INTRODUCTION
Section I GENERAL INFORMATION
Common Name
Official Nomenclature
1-1. SCOPE.
LOW PRESSURE
Push switch
a. Type of Manual. This manual provides direct
switch/indicator light
support maintenance instructions for the protective
DS4/S5
entrance control module including repair parts and
Female hose adapter
Straight pipe to hose
special tools list.
adapter
b. Equipment Name and Number.
Interval TIMER switch
Interval timer
Protective Entrance Control Module (PECM)
S4
(NSN 4240-01-048-2803)
Lamp
Incandescent lamp
c. Purpose of Equipment. The protective entrance
Semiconductor device.
control module monitors protective entrance pressure,
diode
provides light to the inside of the protective entrance,
Male hose adapter
Straight pipe to hose
provides 5 minute times for personal decontamination,
adapter
and provides PE occupied and low pressure signals to
Panel
Lettered plate
the compartment control module.
Power card A1
Printed circuit board
1-2.
MAINTENANCE FORMS, RECORDS, AND
Switching card A3
Printed circuit board
REPORTS.
Department of the Army forms and
Pressure transmitter
procedures used for equipment maintenance will be
MT1
those prescribed by DA Pam 738-750, The Army
PURGE indicator light
Indicator light
Maintenance Management System (TAMMS) as
DS3
contained in Maintenance Management Update.
Tubing
Nonmetallic tubing
1-3.
DESTRUCTION OF ARMY MATERIEL TO
PREVENT ENEMY USE. Refer to TM 43-0002-31,
1-5.
REPORTING EQUIPMENT IMPROVEMENT
Destruction of Chemical Weapons and Defense
RECOMMENDATIONS (EIR).
If the collective
Equipment to Prevent Enemy Use.
protection equipment needs improvement, let us know.
1-4. NOMENCLATURE CROSS-REFERENCE LIST.
Send an EIR. You, the user, are the only one who can
Nomenclature cross-references used in this manual
tell us what you do not like about your equipment. Let
include the following:
us know why you do not like the design. Put it on an SF
Common Name
Official Nomenclature
368 (Quality Deficiency Report).
Mail it to the
Differential
Gage, differential, dial
Commander, US Army Armament, Munitions and
pressure gage
indicating
Chemical Command, ATTN: AMSMC-QAD(R), Rock
Dome light switch
Toggle switch
Island, IL 61299-6000. We will send you a reply.
Section II EQUIPMENT DESCRIPTION AND DATA
1-6. DESCRIPTION AND DATA
a. Organizational Maintenance Manual. Refer to
b. Characteristics.
The PECM is part of the
appendix A for the applicable organizational
pressure regulation subsystem of the collective
maintenance manual.
protection equipment (CPE) system.
1-1
