Maintenance Manual for SCBAs - Drager Servicing.pdf

This document is an equipment maintenance procedures guide for the PSS® 7000 Series with Sentinel 7000 EMU self-contained breathing apparatus manufactured by Dräger.

The document outlines mandatory maintenance and servicing requirements to be performed by trained and competent personnel authorized by Dräger. Maintenance records must comply with NFPA 1852 standards for selection, care, and maintenance of open-circuit self-contained breathing apparatus. Table 2 specifies equipment servicing tasks with designated frequency intervals: after-use, every month, and annually. Critical maintenance items include visual inspection, cleaning, and pre-operational checks performed after each use; flow and static tests performed annually; LDR connector O-ring lubrication performed annually (using Molykote 111); back-up battery renewal performed annually; first stage regulator medium-pressure checks performed annually; cylinder valve overhaul performed during cylinder pressure testing or as needed; and cylinder pressure testing conducted in accordance with national regulations. Additional maintenance applies to accessories including face masks, low-pressure demand (LDR) regulators, and heads-up displays (HUD). The guide emphasizes that all maintenance-related accessories must follow their respective manufacturer maintenance information to ensure proper equipment functionality and regulatory compliance.