ASTM F555-95

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
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Designation: F 555 – 95
Standard Test Method for
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Motor Life Evaluation of an Upright Vacuum Cleaner
This standard is issued under the fixed designation F 555; 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 brush motor) have failed. The motor that fails first will be
replaced so that the test may continue on the other motor. The
1.1 This test method covers motor life evaluation of house-
motor life of each motor will be recorded separately.
hold or commercial, single and dual motor upright vacuum
3.1.1.1 Discussion—Any failure integral with the motor,
cleaners (uprights with separate motors for creating the
such as armature assembly, field assembly, housing(s), bear-
vacuum and driving the floor brush). Self-propelled or power-
ings, motor cooling fan/or primary air moving fan, brush
assist cleaners are not within the scope of this test method.
assemblies, motor mounted non-resettable thermal protection
1.2 This test method is limited to evaluation of the upright
devices, or any other component judged to be integral with the
vacuum cleaner electric motor(s).
motor, shall be judged as motor stoppage.
1.3 This test method provides a test to determine operating
life of the motor(s), before servicing is needed, by an acceler-
4. Significance and Use
ated laboratory procedure. Motor(s) are tested while mounted
4.1 The test results provide an indication of the motor life of
and operated in the upright vacuum cleaner.
an electric upright vacuum cleaner in operating life. End of
1.4 This standard does not purport to address all of the
motor life will be judged in accordance with Section 3.
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
5. Apparatus and Materials
priate safety and health practices and determine the applica-
5.1 Voltage Regulator, capable of maintaining 120 6 2V
bility of regulatory limitations prior to use.
rms with a wave form that is essentially sinusoidal with 3 %
maximum harmonic distortion for the duration of the test.
2. Referenced Documents
5.2 Voltmeter, to provide measurements accurate to within
2.1 ASTM Standards:
2 6 1%.
D 75 Practices for Sampling Aggregates
5.3 Timer and Switch, having the capacity to control the
E 337 Test Method for Measuring Humidity with a Psy-
off/on duty cycle of the cleaner during the life test.
chrometer (the Measurement of Wet-Bulb and Dry-Bulb
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5.4 Sharp Edge Orifice Plate—The orifice, a 1 ⁄4 in. (32
Temperatures)
mm) diameter, shall be in accordance with Fig. 2 of Specifi-
F 431 Specification for Air Performance Measurement Ple-
4 cation F 431.
num Chamber for Vacuum Cleaners
5.5 Wattmeter, to provide measurements accurate to within
F 608 Laboratory Test Method for Evaluation of Carpet-
1%.
Embedded Dirt Removal Effectiveness of Household
4 5.6 Plenum Chamber, conforming to the plenum chamber
Vacuum Cleaners
described in Specification F 431.
F 655 Specification for Test Carpets and Pads for Vacuum
4 5.7 Water Manometer, or equivalent instrument measuring
Cleaner Testing
in increments of 0.1 in. (2.54 mm).
3. Terminology 5.8 Barometer, to provide measurements accurate to 6 0.05
in. Hg (1.27 mm Hg), with scale divisions 0.02 in. (0.51 mm)
3.1 Definitions of Terms Specific to This Standard:
or finer.
3.1.1 motor life—limited by failure of motor. Failure is
5.9 Thermometer, having a range of at least 18 to 80°F (−8
motor stoppage. In the case of a dual motor upright, the test
to +27°C) and graduated in 1°F (0.5°C) increments.
will be continued until both motors (vacuum motor and floor
5.10 Psychrometer, meeting the requirements of Test
Method E 337 with thermometers graduated in increments of
1°F (0.5°C).
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This test method is under the jurisdiction of ASTM Committee F-11 on Vacuum
5.11 Test Carpet, conforming to the level loop carpet
Cleaners and is the direct responsibility of Subcommittee F11.30 on Durability-
Reliability. described in Specification F 655. A carpet that provides equiva-
Current edition approved Sept. 10, 1995. Published November 1995. Originally
lent nozzle loading results may be used.
published as F 555 – 85. Last previous edition F 555 – 85 (1990).
5.12 Carpet Padding, conforming to the padding described
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Annual Book of ASTM Standards, Vol 04.03.
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in Specification F 655.
Annual Book of ASTM Standards, Vol 11.03.
4
Annual Book of ASTM Standards, Vol 15.07.
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F 555
5.13 Test Fixture—A moving surface, covered b
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