PPS Revision Notice #2017-014
PPS 19.01, Issue 22 - Safetying DevicesSummary of Changes:
- Corrected typo - all reference to M20995 replaced with reference to MS20995.
PPS 19.02, Issue 25 - Use of Anaerobic Sealant/AdhesiveSummary of Changes:
- Revised activator to be used with Loctite 222 sealant to specify use of Loctite 7471 `Primer T' only.
- Added procedure and requirements for use of Loctite 243 sealant with Loctite SF7088 activator, to be used when specified by the engineering drawing.
- Clarified part preparation procedure.
- Clarified that if, during subsequent processing or assembly, coloured dots used to identify secured bearings/bushings and proof loaded bearings are covered (e.g., by priming or painting), are obliterated or are obscured by incorporation into the next higher assembly, re-identification is not necessary.
- Added a general safety precaution indicating that the safety precautions specified in this PPS are specific to Bombardier Toronto (de Havilland) and that suppliers, subcontractors and partners are responsible for ensuring that their own environmental, health and safety precautions satisfy the appropriate local government regulations.
This revision notice lists brief summaries of technical changes introduced for each of the revised PPS's. Please note that these summaries are not detailed and are intended only to assist in alerting users to changes which may affect them; refer to the applicable PPS for authorized, detailed procedure and requirements.
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