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|  MIL-T-48578(MU)
3.4 Reliability. - The artillery trainer shall have a Mean Actuations
Between Failure (MABF) of 30,000 exclusive of the laser gun (M55).
3.5 Environmental requirements.
3.5.1 Operational conditions. - The artillery trainer shall show
no evidence of damage or deterioration and shall meet all requirements
of 3.6 under the following environmental conditions.The following
items are excluded:
Deflection Table (105MM HOW., M1O1)
a. 11747153
Deflection Table (105MM HOW.,M102)
b. 11747154
Deflection Table (155 MM HOW., Ml14A1)
c. 11747155
Deflection Table (155 MM HOW., M109A1)
d. 11747156
Container Shipping and Storage
e. 11747167
3.5.1.1 Temperature. - After thermal stabilization of -18C (0F)
and 38C (100F).
3.5.1.2 Humidity. - Conditions specified in Method 507.1, Procedure IV,
M1L-STD-810, except the number of humidity cycles will be limited to two.
3.5.2 Non-operating conditions. - The artillery trainer and its
equipment, shall show no evidence of damage or deterioration and shall
meet all requirements of 3.6 after the following environmental exposure.
The following items are excluded:
Deflection Table (105MM., M101)
a.
11747153
Deflection Table (105MM HOW., M102)
b.
11747154
Deflection Table (155 MM HOW., M114A1)
c.
11747155
Deflection Table (155 MM HOW., M109A1)
d.
11747156
e.
11747167
Container Shipping and Storage
3.5.2.1 Storage temperature. - Thermal stabilization at -54C (-65F)
for 24 hours and 66C (+150F) for 24 hours.
3.5.2.2 Vibration "A". - Conditions specified in Method 514.2, Proce-
dure VIII, Curve V, Figure 514.2-6, Table 514.2-VI, M1L-STD-81O, with trainer
mounted in simulated operating position.
3.5.2.3 Vibration "B". - Stored: Conditions specified in Method
514.2, Procedure X, Curve AY, Table 514.2-VII, Figure 514.2-7, MIL-STD-810,
with the trainer properly stored in the transit and storage case, Drawing
F11747158.
3.5.2.4 Shock. - The trainer shall operate in accordance with the
requirements of this specification and shall show no evidence of damage or
deterioration following exposure to conditions specified in Method 516.2,
3
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