ASTM F1038-98

NOTICE: This standard has either been superseded and replaced by a new version or
withdrawn. Contact ASTM International (www.astm.org) for the latest information.
Designation: F 1038 – 98
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Test Method for
Motor Life Evaluation of a Canister, Head-held, Stick, and
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Utility Type Vacuum Cleaner Without a Driven Agitator
This standard is issued under the fixed designation F 1038; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope 4. Significance and Use
1.1 This test method is limited to evaluation of canister, 4.1 The test results provide an indication of the motor life of
hand-held, stick, and utility type vacuum cleaners without a an electric vacuum cleaner in operating hours. The end of the
driven agitator. motor life will be judged in accordance with Section 3.
1.2 This test method provides a test to determine operating
5. Apparatus and Materials
life of the motor, before servicing is needed, by an accelerated
laboratory procedure. The motor is tested while mounted and is 5.1 Voltage Regulator—The regulator must be capable of
maintaining the vacuum cleaner’s rated voltage6 2 % with a
operated in a vacuum cleaner.
waveform that is essentially sinusoidal with 3 % maximum
1.3 The values as stated in inch-pound units are to be
regarded as the standard. The values in parentheses are given harmonic distortion for the duration of the test.
5.2 Voltmeter, to provide measurements accurate to 61%.
for information only.
1.4 This standard does not purport to address all of the 5.3 Timer and Switch—The timer and switch will have the
capacity to control on/off duty cycle of the vacuum cleaner
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro- during the life test.
5.4 Sharp Edge Orifice Plate—The orifice, 0.75 in. (19.05
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use. mm) in diameter, shall be in accordance with the figure
illustrating orifice plate detail in Specification F 431.
2. Referenced Documents
5.5 Wattmeter, to provide measurements accurate to 61%.
2.1 ASTM Standards: 5.6 Plenum Chamber, in accordance with the plenum cham-
E 337 Test Method for Measuring Humidity with a Psy- ber described in Specification F 431.
chrometer (the Measurement of Wet-Bulb and Dry-Bulb 5.7 Water Manometer, or equivalent instrument measuring
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Temperature) in increments of 0.1 in. (2.54 mm).
F 431 Specification for Air Performance Measurement Ple- 5.8 Thermometer, having a range of at least 18 to 80°F (-8
3
num Chamber for Vacuum Cleaners to +27°C) and graduated in 1°F (0.5°C) increments.
F 608 Laboratory Test Method for Evaluation of Carpet- 5.9 Psychrometer—The psychrometer shall meet the re-
Embedded Dirt Removal Effectiveness of Household quirements of Test Method E 337 with thermometers in incre-
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Vacuum Cleaners ments of 1°F (0.5°C).
5.10 Test Fixture—Any suitable surface that will support
3. Terminology
the vacuum cleaner in the normal operating position.
3.1 Definitions of Terms Specific to This Standard:
6. Sampling
3.1.1 failure—when motor stoppage occurs. This may be
due to failure of an armature assembly, field assembly, hous- 6.1 Test a minimum of three units (or a larger sample size if
ing(s), bearings, motor cooling fan and primary air moving fan desired) of any model. Select all samples at random in
or both, brush assemblies, motor mounted non-resetable ther- accordance with good statistical practice. Results shall provide
mal protection devices or any other component judged to be an 80 % confidence level within 610 % of the mean value. If
integral with the motor. not, test additional samples or reduce the results by the penalty
3.1.2 motor life—the time at which any failure of the motor factor as calculated in 7.8.1.
occurs.
7. Procedures for Motor Life Evaluation
7.1 Determine initial performance as follows:
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This test method is under the jurisdiction of ASTM Committee F-11 on Vacuum
7.1.1 Connect the manometer (or equivalent) to the plenum
Cleaners and is the direct responsibility of Subcommittee F11.30 on Durability-
chamber. Install a clean filter in the test vacuum cleaner before
Reliability.
Current edition approved Oct. 10, 1998. Published February 1999.
conducting performance tests. (This is not required for units
2
Annual Book of ASTM Standards, Vol 11.03.
which do not use filters).
3
Annual Book of ASTM Standards, Vol 15.07.
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NOTICE:¬This¬standard¬has¬either¬been¬superseded¬and¬replaced¬by¬a¬new¬version¬or
dis
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