XP-6341 6/10
24
Section 2 Installation Instructions
18. Disconnect the load.
19. Adjust the idle screw (see Figure 2-16) to obtain a
no-load
oxygen
sensor
voltage
reading
of
2.5
±
0.10 VDC
(or
a
lambda
λ
value
of
approximately 1.0).
20. Repeat steps 16 through 19 to verify the settings.
21. Place the generator set master switch in the OFF
position to stop generator set.
22. Disconnect the generator set engine starting
battery(ies), negative (--) lead first.
23. Allow the generator set exhaust system to cool.
Disconnect and remove the oxygen sensor as
directed in the instructions provided with oxygen
sensor kit.
24. Reconnect the generator set engine starting
battery, negative (--) lead last.
25. Reconnect the power to the battery charger, if
equipped.
2.2.11 Operation Tests
Hazardous voltage.
Can cause severe injury or death.
Operate the generator set only when
all guards and electrical enclosures
are in place.
Moving parts.
WARNING
1. Verify that all guards are in place.
Install the
enclosure’s end panels and nonservice side door.
2. Check the items in the Prestart Checklist in the
generator set operation manual.
3. Move the generator set master switch to the RUN
position to start the generator set.
4. Use a digital voltmeter (DVM) to check the output
voltage from the generator set.
If voltage
adjustments are required, refer to Section 3.4 for
instructions
to
use
the
controller
voltage
adjustment menu.
5. Perform voltage checks as described in the ATS
operation and installation manual. Close the main
circuit breaker on the main distribution panel when
instructed to connect power in the test procedure.
6. Move the generator set master switch to OFF and
then to the AUTO position.
7. Install the enclosure’s service-side door. Verify that
all enclosure doors and panels are installed.
8. Test the system operation as described in the ATS
operation and installation manual.
9. Set the exerciser on the transfer switch to exercise
the generator set weekly. Refer to the instructions
in the ATS operation and installation manual.
