True Blue Power, Wichita, KS
Rev D, August 22, 2014
8 of 11
Manual number 9017682
Section 3
MAINTENANCE
3.1
TEST PROCEDURE FOR TT43 BATTERY TESTER/CHARGER
Annual Verification of TT43 Tester/Charger performance is recommended.
Test Equipment:
Unit Under Test (UUT) (6430043-1)
AC Adapter (24VDC) (9015904)
Regulated DC Power Supply (0-30V, 1A)
DC Ammeter
DC Voltmeter
23 ohm power resistor rated greater than 20 watts
Test Procedure:
Note: “Long press” means press and hold the START button for 4 seconds then release.
1.
Plug 24V AC adapter (9015904), into rear connector of UUT (6430043-1) and into wall outlet.
Power on UUT. The screen should display True Blue Power screen, then change to the main
battery screen.
2.
UUT should display 20.5V ±0.2V for both ports.
3.
Long press START on the 9015607 ONLY port. The red FAIL LED should turn on, and the
unit will alternate between a TEST DONE screen and the main battery screen. Long press
START again to clear. Repeat this step on 9015607/9016925 port. Power off UUT.
4.
Connect test setup per Figure 1:
Figure 1: Test Connections
5.
Turn on power supply and adjust voltage to 22.0V.
6.
Power on UUT. Voltmeter should read 22.0V ±0.2V and ammeter should read -3mA ±1mA.
The UUT should display FLOAT.
AMMETER
VOLTMETER
POWER SUPPLY
TT43 BATTERY CHARGER & TESTER
23
Ω
, 20W
+
+
+
+
+
