Specification of Koehler K18790 Leakage Tendencies Tester
Specification
Conforms to the specifications of:
ASTM D1263; FTM 791-3454
Maximum Temperature: 250°F (121°C)
Test Method
Evaluates the tendency of automotive wheel bearing grease to separate oil and/or grease under prescribed laboratory conditions. The test is performed at elevated temperature in a modified automotive spindle-hub assembly rotated at 660rpm. Any leakage of oil or grease during the test period is collected and weighed.
Description
Consists of a modified front wheel hub and spindle assembly with drive motor and constant temperature air cabinet. Rotates hub at 660rpm while maintaining spindle temperature at a constant 220°F (104°C) or other specified temperature. Oil that has separated from the sample grease during the test period is collected in the hub cap and in a leakage collector that installs on the spindle. The hub is rotated by a durable 1⁄3hp motor through a V-belt drive. Microprocessor PID control provides quick temperature stabilization without overshoot, and the unit is protected by an overtemperature control circuit that interrupts power should bath temperature exceed a programmed cut-off point. Dual LED displays provide actual and setpoint temperature values in °C/°F format. Communications software (RS232, etc.), ramp-to-set and other enhanced features are available as extra cost options. Contact your Koehler representative for information. Cabinet is insulated on all sides and has a hinged cover for easy access to the hub-spindle assembly. Thermometer ports in the spindle and the cabinet allow for precise setting and monitoring of test temperature. Housed in a heavy-gauge steel exterior with polyurethane enamel finish.
Features
- Conforms to ASTM D1263 and FTM 791-3454 specifications
- Microprocessor programmable high accuracy temperature control
Additional Accessories
- K18723 Torque Wrench
- 250-000-07F ASTM 7F Thermometer - Range: 30 to +580°F
- 250-000-07C ASTM 7C Thermometer - Range: –2 to +300°C
- 289-004-004 Large (Inner) Bearing
- 289-004-003 Small (Outer) Bearing
Electrical Requirements
115V 60Hz, Single Phase, 13.0A
220-240V 50Hz, Single Phase, 7A
220-240V 60Hz, Single Phase, 7A
Included Accessories
- Large (Inner) Bearing (1)
- Small (Outer) Bearing (1)