MIL-P-18111A(SHIP)
4.5.2.2 Motors. - Each sample motor shall operate with 900 p.s.i hydraulic fluid at the inlet port and a
drive shaft output torque of 60 foot-pounds for 10 minutes.
4.5.3 Operational tests at varying temperatures and pressure. - Performance characteristics shall be
obtained with the temperature of the hydraulic fluid at 50. 100, 150 and 200°F., with the pump input varying up
to 83 foot -pounds and with the motor rotation both clockwise and counterclockwise. The discharge pressure
of the pump shall not exceed 900 p.s.i.
4.5.4 Endurance tests. - Pumps and motors shall be operated for 40 hours without leakage or other evi-
dence of failure The input to the pump shall be constant at 0.48 horsepower with the hydraulic fluid at room
t e m p e r a t u r e Motor rotation shall be reversed every 8 hours of operation. The unit shall then be check
tested in accordance with 4.5.5.
4.5.5 Check test. - A check test shall be made of performance characteristics with the hydraulic fluid at
50°F, and at 200°F.
4.5.6 Shock test. - One pump and motor, when mounted and under 900 p.s.i. hydraulic pressure, shall
withstand mechanical shock when subjected to the type A shock test of MIL-S-901 for grade A, class I equip-
ment.
4.5.6.1 Where shock tests as required by this specification have previously been conducted and equip-
ment offered is the same as that previously tested, accepted, and proven satisfactory, a test report of prior
approval, will be acceptable in lieu of retesting.
5. PREPARATION FOR DELIVERY
5.1 Domestic shipment and early equipment installation and for storage of onboard repair parts. -
5.1.1 Pumps and motors. -
5.1.1.1 Preservation and packaging. - Preservation and packaging shall be sufficient to afford adequate
protection against corrosion, d eterioration and physical damage during shipment from the supply source to
the using activity and until early installation and may conform to the supplier's commercial practice when
such meets these requirements.
5.1.1.2 Packing. - Packing shall be accomplished in a manner which will insure acceptance by common
carrier at the lowest rate and will afford protection against physical or mechanical damage during direct
shipment from the supply source to the using activity for early installation. The Shipping containers or
method of packing shall conform to the Uniform Freight Classification Rules and Regulations or other carrier
regulations as applicable to the mode of transportation and may conform to the supplier's commercial prac-
tice when such meets these requirements.
5.1.1.3 Marking. - Shipment marking information shall be provided on interior packages and exterior
shipping containers in accordance with the supplier's commercial practice. The information shall include
nomenclature, Federal stock number or manufacturer's part number, contract or order number, supplier's
name and destination.
5.1.2 Onboard repair parts. -
5.1.2.1 Preservation and packaging. - Packings, gaskets and seals shall be preserved and packaged as
follows.
(a) Packing material of like description shall be dusted with soapstone or talcum powder, inter-
leaved over the entire area with Kraft, or equal, paper and rolled. Rolls shall be secured with
tape conforming to PPP-T-76.
(b) Gaskets shall be packaged together without folding. Gaskets shall be dusted with soapstone or
talcum powder, Interleaved with Kraft, or equal, paper and unit packaged in boxes conforming
to PPP-B-566, PPP-B-676 or PPP-B-636 Box closure shall be as specified in the box spec-
ification or appendix thereto.
(c) Seals shall be individually preserved and packaged in accordance with submethod IA-8 of MIL-
P-116.
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
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