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BASEWEST Operating & Maintenance Manual Model TS-420 Test Set 12 December 2024 BaseWest Inc. 4240 116 Ave N, Clearwater, FL 33762 Tel: 727 / 573-2700 • Fax: 727 / 573-4307 E-mail: info@basewest.com www.basewest.com 25-60-41...
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AC charger. Figure 1. TS-420 Test Set with Charger NOTE: The TS-420 test set is no longer available for procurement and is replaced by the Model TS-421. The TS-420 continues to be in-service, and remains active for calibration and repair so long as needed replacement parts are available.
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Battery Status Indicator (Amber LED) Mode Selector Switch (Voltmeter/Ammeter) Load Selector Switch Press to Test Figure 1. TS-420 – General Arrangement Ammeter Connection Voltmeter Connection (Light Harness Test) (Battery Test) System Test Connection for Battery or Installed Battery & Light Harness Figure 2.
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BASEWEST Operating & Maintenance Manual Model TS-420 Test Set Battery Testing (Voltmeter Mode) Place the Mode Selector switch to VOLTMETER. Connect the 4-contact test lead on the battery pack to the mating 4-pin System Test connector (Figure 2). Note that this connector is keyed for proper alignment.
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NOTE: International customers must use an appropriate adapter for 110VAC service, or a converter for 220VAC service, depending on the country. b) Connect the charger output plug into the receptacle on the side of the TS-420 test set. Figure 3. Internal Battery Charging Arrangement c) The battery should be left on charge for approximately eight (8) hours, or overnight.
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BASEWEST Operating & Maintenance Manual Model TS-420 Test Set and the Battery Status indicator is OFF, the unit is sufficiently charged to return to service. NOTE: If the unit must be used before full charge is reached, the unit may be returned to service temporarily if the Self-test indicator and the Battery Status indicators are both on (GREEN and AMBER, respectively).
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Self-Test indicator is GREEN - Test set is operational and OK for test b) Self-test indicator does not illuminate - Test set requires servicing; return to BaseWest. c) LCD meter displays DC volts in the range of 0.00 to 19.99; if not, return for repair.
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See the calibration manual for recommended calibration accessories. When a TS-420 test set is returned to BaseWest for service or calibration, it is first inspected for proper form, fit and function and battery condition. Any needed repairs or replacements are coordinated with the customer prior to calibration.
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