Ransburg LEPS5001 Power Supply for LECU5003 - Manual (Page 18)

terminal block 2 (TB2) on top of the
LEPS5001 Power Supply. Check for
any loose wiring connections to TB2.
2. Connect an AC RMS voltmeter (150 volt
scale or greater) from TB2-4 to TB2-5.
3. Put the LECU5003 Control Panel into
the high voltage on condition and turn its
high voltage adjust knob to mid-range.
4. If the RMS voltage indicated on the volt-
meter is not approximately 60 VAC, the
problem is with the LECU5003 Control
Panel. Consult the "Troubleshooting"
section of the LECU5003 Control Panel
manual for appropriate troubleshooting
procedures.
If the RMS voltage indicated on the volt-
meter is approximately 60 VAC, contin-
ue troubleshooting as follows:
5. Turn the high voltage OFF at the control
panel. Remove the AC voltmeter from
TB2. Remove the high voltage cable(s)
from the power supply.
6. Set up a calibrated Ransburg High Volt-
age Test Probe and Meter (20791) with
the 3/8” diameter high voltage cable at-
tachment (see 20791, High Voltage Test
Probe and Meter, service manual for
setups and procedures).
7. Connect the 20791 high voltage test
probe ground clamp to a true earth
ground, insert the cable end of the test
probe into the power supply high voltage
tube, and turn the test probe on.
>
Whenever removing high voltage ca-
ble(s) from equipment, ground the plug end
of the cable(s) by contacting the plug to
electrical ground. Do not touch the plug until
it has been grounded. This will eliminate the
possibility of residual charge causing electri-
cal shock.
W A R N I N G
!
8. Put the LECU5003 Control Panel into
the high voltage on condition and turn its
high voltage adjust knob to mid-range.
9. If the 20791 high voltage test probe dis-
play reads approximately 70 kVDC, the
problem is with the high voltage cable,
junction tank or switch tank (if installed),
or the spray applicator. Consult the
appropriate service manual for trouble-
shooting procedures.
10. If the 20791 high voltage test probe
does not read approximately 70 kVDC,
the problem is with the LEPS5001 Pow-
er Supply.
If the LEPS5001 Power Supply has
been isolated as the problem, contact
your authorized Ransburg representa-
tive for repair or replacement.
>
Ensure that the cable end of the
test probe is fully inserted into the high
voltage tube and tighten the strain relief
connection.
C A U T I O N
!
LEPS5001 Power Supply - Maintenance
15
Ransburg
CP-95-02.5