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|  REQUIREMENTS
(Continued)
Applicable paragraphs
of MIL-S-22518A(AS)
3.5.10
Overrunning (Acceptance): The ATS/AD shall be overrun
at a pad "A" speed of 7250 RPM and subjected to a
4.5.10
pad "B" load of 10 HP for 5 minutes.
4.5.4
Initial Calibration:
Pad "A" Drive
Speed
Torque
Speed
Condition
(Lb-Ft)
RPM
0
Stall
Rated
1200
290
Min
---
cutout
3200 to 3400
50
Min
---
Airflow, Max
Speed
Speed
Condition
(Lb per Min)
Stall
110
0
4.5.5
No-Load Operation (Qualification):
Time (Second): 60
3600
Pad "A" Drive Speed (RPM), Min:
4.5.5.1
Burst Test:
--
Inlet Air Total Pressure (PSIA): 75
Inlet Air Total Temperature (F): 445 10F
No-Load Operation (Acceptance):
4.5.6
Pad "A" Drive Speed
(RPM), Min: 3600
3.5.5
Endurance Test:
Accessory Drive: The ATS/AD shall be driven
4.5.7
for 960 hours at 7000 RPM with a continuous
load of 10 HP applied at pad "B." A load of
32 HP shall. be applied at pad "B" for 5 minutes
of every hour during the above 960-hour endur-
ance test. This phase of endurance testing
need not be continuous; however, test periods
shall not be less than 5 hours duration. This
endurance testing may be combined with the
tests for the starter in this paragraph in
an attempt to simulate service conditions.
Accessory Drive High Torque Test: At a pad "A"
drive speed of 7000 RPM the ATS/AD shall be
cycles for 15 minutes at 10 HP and 15 minutes
at 55 HP for a total of 2 hours.
3
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