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TELEDYNE API
M703E Calibrator Operator’s Manual Maintenance Schedule & Procedures
If you cannot locate the leak by the above procedure, obtain a leak checker similar to the Teledyne Instruments’
part number 01960, which contains a small pump, shut-off valve and pressure gauge. Alternatively, a tank of
pressurized gas, with the two-stage regulator adjusted to ≤ 15 psi, a shutoff valve and pressure gauge may be
used.
CAUTION
Once the fittings have been wetted with soap solution, do not apply / re-apply vacuum as
this will cause soap solution to be drawn into the instrument, contaminating it.
DO NOT EXCEED 15 PSI PRESSURE.
1. Turn OFF power to the instrument.
2. Install a leak checker or tank of gas as described above on the sample inlet at the rear panel.
3. Install caps on the following fittings on the rear panel.
Exhaust
Vent
Internal Vent
Zero
Air Inlet
Both CALGAS OUT fittings
05744 Rev B 169