CP1-SY-151 is provided with Vacuum and Pressure gauges to check the performance
of the Dielectric water system. Vacuum and pressure may be checked in Advanced
Mode (see Appendix 1). It is suggested that this check be carried out monthly or when
poor performance is suspected, per the following specifications:
•
Vacuum:
o
Connect the vacuum gauge with the blue hose to the vacuum port on the
back of the MSU.
o
In the advanced menus, under the Manual Tab, press the red Vacuum
button to run the vacuum pump. The indicated vacuum should slowly rise
to -10” inHg in approximately 60 seconds.
o
Press the Vacuum button again to turn the pump off. Vacuum should hold
or degrade slowly over 30 seconds approximately.
•
Pressure:
o
Connect the pressure gauge with the black hose to the pressure port on
the back of the MSU.
o
In the advanced menus, under the Manual Tab, press the red Pressure
button to run the pressure pump. The indicated pressure should quickly r
rise to -80 PSI ±5 PSI.
o
Press the Pressure button again to turn the pump off. Take care when
disconnecting the gauge since the line will still be pressurized.
If either of the above specifications are not met visually inspect the bowl system or
visible tubing for leaks. Also check the bowl O-rings are in-place and not damaged.
Contact PPedm Customer Service Hotline (714.891.6533) if there ae no obvious
leaks and O-ring problems.
3.9
Weekly Maintenance:
Visually inspect the E-Drill for tightness of the cutting electrode, signs of excessive
burning around electrode and Ground Pin (CG system only), or water leakage. The
Ground Pin is of particular importance and the Ground Pin Insulation Sleeve on the
tip of the Ground Pin should be intact (does not apply to EG hand tool).
3.10
Ground Pin Adjustment and Replacement (applies to CG and BG hand-tools
only):
Ground Pin adjustment is a critical parameter in efficient operation of the device (much
like the electrode in a TIG welder). As described in the Weekly Maintenance Schedule
(Section 3.8), the Ground Pin should be regularly checked for excessive burning or
damage and correct protrusion from the front of the E-Drill. The procedure for
checking and adjusting, and if necessary, replacing the ground pin is as follows:
1.
Prior to Ground Pin inspection, advance Electrode to the full forward position;
remove any installed Adapter and the Electrode from the E-Drill and inspect the
Ground Pin for excessive burning and/or damage.
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