Martel Electronics BetaGauge 330 - Manual (Page 46)

6. Clean the o-ring assembly and the o-ring on the retention caps with IPA and inspect
the o-rings closely for any damage or excessive wear. Replacements are included in
the repair kit, if needed.
7. Inspect the springs for wear or loss of tension. They should be approximately 8.6 mm
long in the relaxed state. If shorter, they may not provide sufficient sealing tension.
Replace if needed.
8. Once all parts have been cleaned and inspected, reinstall the o-ring and spring
assembly into the valve body.
9. Reinstall the retention caps and gently tighten each cap.
10. Seal the output port and operate the pump to at least 50% of capacity.
11. Release the pressure and repeat several times to ensure that the
o-rings seat properly.
16.4 Service Center Calibration or Repair
Only qualified service personnel should perform calibration, repairs, or servicing not
covered in this manual. If the calibrator fails, check the batteries first, and replace them if
needed.
Verify that the calibrator is being operated as explained in this manual. If the calibrator is
faulty, call for an RMA number or go to www.martelcorp.com to download an RMA form
to return the unit. Be sure to pack the calibrator securely, using the original shipping
container if it is available.
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