Needle / Electrode Resistance Testing; Barrel Removal - Ransburg vector solo 79965 solventborne RS70-AS Service Manual

65 kv applicator
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Vector Solo 65kV Applicator - Maintenance
NEEDLE / ELECTRODE
RESISTANCE TESTING
The electrical resistance of the needle/electrode
should be tested periodically (typically on a weekly
basis) or any time it is removed from the applicator.
Figure 23: Testing Resistive Electrode
To Test
1. Install the needle/electrode onto the front end
of an available needle shaft. Be sure that the
needle/electrode is completely seated for proper
contact between the metal shaft and the threaded
insert of the needle/electrode.
2. Using a VOM meter that will read 15 megohms
accurately, connect the first meter lead to the metal
needle shaft and the second lead to the needle/
electrode wire. The needle/electrode resistance
should be 14.5 to 19 megohms (nominal 15 meg-
ohms at 9 volts or 12 to 17 megohms at 1000
volts). Needle/electrodes outside these ranges
must be replaced.
AH-08-02.6

BARREL REMOVAL

1. Remove air cap and fluid nozzle.
2. Remove two (2) screws with a 3mm Allen wrench
that hold the rear cover. Remove rear cover and
disconnect the connector.
Figure 24: Rear Cover Removal
3. Remove the rear fluid adjustment bushing and
air valve and fluid needle return springs.
Figure 25: Fluid Adjust Bushing Removal
Ransburg
26

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