MIL-S-4953C(USAF)
4.3.2.2 Temperature. Temperature shall be measured by means of properly located thermocouples, thermistors or liquid-in-glass thermometers. Sensors, connectors, and lead wire shall be properly arranged, insulated and compensated to minimize error. Measurements shall be accurate to within ±5°F. Readings shall be reported in degrees Fahrenheit.
4.3.2.3 Pressure. Insofar as is practicable, pressures and pressure differentials shall be measured by liquid manometers. Pressures exceeding the range of liquid manometers shall be measured with properly calibrated Bourdon tube type gages. Gages shall be of laboratory type having a dial diameter not less than four inches.
4.3.3 Preparation for test. Prior to testing, the spray outfit shall be prepared for testing by assembling, adjusting and servicing with the fuels and lubricants as specified in the operating and maintenance instruction manual.
4.3.4 Preliminary run-in. The nature and extent of run-in shall be as specified by the manufacturer.
4.3.5 Discharge pressure. The discharge pressure shall be the static pressure measured at the spray gun nozzle or at the discharge side of the 6 foot flexible hose used for preoiling.
4.3.6 Power. The engine driven alternator shall be used for all tests unless an outside 220V
power supply is specified.
4.3.7 Fluid. Unless preoiling fluids are specified, corrosion preventive mixtures consisting of each of the mixtures specified in 3.6.8 shall be used in all tests. The preoiling fluids shall be as specified in 3.6.8.1.
4.3.8 Inspection, servicing and adjustment. Inspections, servicing and adjustments shall be performed only as specified in the operation and maintenance instruction manual unless such instructions are contrary to the requirements specified herein.
4.3.8.1 Planned stops may be made at each 25 hour interval during the endurance test for inspection, servicing and adjustments. The lapsed time shall be recorded on the adjustments. Any major adjustment shall be cause for rejection, correction and retest.
4.3.9 Data. Data sheets shall include all recorded data as specified herein. All data recorded in accordance with 4.4 shall be included in the test report in accordance with MIL-STD-831.
4.3.9.1 Readings. During the tests specified herein, at least the following data shall be recorded at intervals not greater than 30 minutes for performance demonstrations and other short duration tests and at intervals not greater than 2 hours during the endurance test specified in 4.6.8.
16
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business