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MIL-M-63988 (AR)
used, the data specified below shall be delivered by the
contractor in accordance with the contract or purchase order
requirements.  Deliverable data required by this specification is
cited in the following paragraphs:
Date Requirements
Paraqraph No.
Applicable DID
DI-R-1724
4.6.1, 4.6.2, 4.6.3
Quality Inspection
Test, Demonstration
and Evaluation Rpt.
6.3 Assembly areas.  Assembly areas, special provisions, and
equipment should be provided by the contractor. -The assembly
areas should be air conditioned using an air conditioning unit
with a 50 micron filter.  The area temperature should be
maintained between 680 and 72F.  The air flow rate per cubic
inch per minute should be such as to maintain area air pressure at
between .75 and 1.5 inches of water.  Relative humidity should not
exceed 40-50 percent.  Areas should be clean and free of dust,
lint, and abrasive materials that may become entrapped in the
assembled mechanisms.  No grinding, - filling, scraping, or any
operation producing abrasive dust should be performed in the
assembly area.
6.4 Functional firinq.  Information regarding the artillery
simulator, see 4.7.2, is available from the Commanding Officer,
Rock Island Arsenal, Rock Island, IL 61299-6000-.
6.5 Hydraulic leakaqe.  The quantity of gun mount bydraulic
fluid leakage cannot be precisely measured, therefore the
judgement and experience of the inspector will be relied upon for
compliance with the criteria of 3.4.5.  One millilter of
hydraulic fluid is composed of approximately 25 drops.
6.5.1 Seal interface locations.  The seal interface locations
are defined as the area around the following components:
Buffer Rod Wiper.
a.
Recoil Rod Wiper, (2 places).
b.
Recuperator Rod Wiper.
c.
Recuperator Head and. Guide Pins (2 places).
d.
e.  Variable Recoil Selector Gears, under the Variable
Recoil Cover, P/N 10895694, (2 places).
f.  Recuperator Piston and Guide Pins (2 places), under
the Recuperator Cover P/N 10955766.
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