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Page Title:
Initial operation, operating mode, and entry and exit |
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|  MIL-S-51368B( EA)
Filter unit, gas-particulate, entrance
135 Missing or incorrectly installed gaskets
136 Quick release fasteners not aligned
137 Hose clamps loose
Fan assembly, evacuation
138 Airflow direction incorrect
139 Missing components
Auxiliary control panel
140
Press to test feature of lights proper
Cool, circulate, heat switch function proper
141
142
Heater restart function proper
High low heat function proper
143
144
Alarm silence function proper
Shelter entrance lights function proper
145
146
5 minutes and 8 minutes mode function proper
Buzzer alarm and mask light function proper
147
4.4.4 Tests.
4.4.4.1 Initial operation, operating mode, and entry and exit. The
M51 shelter system shall be erected and operated in accordance with
applicable operating and maintenance instructions contained in TM 3-4240-
264-12. The operating mode shall conform to the requirements of 3.3.1.
Pressures in the shelter and airlock shall be maintained at values
specified in 3.3.2. Entry and exit shall be made at regular intervals
in accordance with 3.3.3. The thermostat may be adjusted as required
so that the system will operate in heating and cooling modes in accord-
ance with 3.3.1.
4.4.4.2 System leakage. With the M51 fully erected and operational,
the entrance and shelter pressures shall be adjusted to a minimum of 0.3
iwg and 0.8 iwg respectively. Door seals and other leak areas shall be
tight. The effluent flow shall be measuredly ducting the air through
a suitable round duct so that the effluent airflow can be averaged. The
minimum allowable flow shall be as specified in 3.3.4.
4.4.4.3 Reliability qualification. The M51 shelter system shall be
erected and operated in accordance with applicable instructions contained
in TM 3-4240-264-12, Performance requirements of table I shall be mea-
sured and recorded. The system shall then be disassembled and prepared
for stowage but not stowed,
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