TP-6196 10/09 69Section 5 ADC-RES and DC-RET Controller
5.8.2 Relay Board Replacement
Procedure
Accidental starting.
Can cause severe i njury or death.
Disconnect the battery cables before
working on the generator set.
Remove the negative (--) lead first
when disconnecting the battery.
Reconnect the negative (--) lead last
when reconnecting the battery.
WARNING
Disabling the generator set. Accidental starting can
cause severe injury or death. Before working on the
generator set or connected equipment, disable the generator
set as follows: (1) Move the generator set master switch to the
OFF position. (2) Disconnect the power to the battery charger.
(3) Remove the battery cables, negative (--) lead first.
Reconnect the negative (--) lead last when reconnecting the
battery. Follow these precautions to prevent starting of the
generator set by an automatic transfer switch, remote
start/stop switch, or engine start command from a remote
computer.
1. Access the controller junction box to locate the
relay board. See Figure 5-17.
2. Disconnect relay board harness connector P3 from
connector P14 on the relay board.
3. Pull the faulty relay board off the four mounting
standoffs inside the junction box.
4. Press the new relay board onto the four standoffs.
5. Connect three-pin connector of the relay board
harness GM52639 to P14 on relay board
GM51403. See Figure 5-18 and Figure 5-20.
6. Verify that the relay board harness is securely
connected to P11 on the control board. See
Figure 5-19 and Figure 5-20.
7. Verify that the relay board harness is securely
connected to the engine harness. See Figure 5-20.
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