Sentinel 01: Edition 1: July 2008 - Subject to Modification
PSS® 7000 SERIES c/w SENTINEL 7000 EMU
25
17
Equipment Maintenance Procedures
Tasks identified in Tables 2 or 3 as maintenance tasks are to be carried out by trained
and competent personnel only (authorised by Dräger). Refer to the maintenance
manual for further information.
Equipment servicing
Dräger recommend that regular inspection, testing and servicing of equipment be
carried out in accordance with Table 2 below. The table applies also to out-of-use
(stored) equipment.
Records of inspections and servicing are to be maintained in line with NFPA 1852
– Standard on Selection, Care, and Maintenance of Open-Circuit Self-Contained
Breathing Apparatus.
Refer also to the maintenance information for all accessories used (face
mask, LDR, HUD, etc.).
Table 2 - Equipment Servicing
!
Description
After Use
Every
Month
Every Year
Complete
Equipment
Visual inspection
Clean
Pre-operational checks
Flow and static tests (maintenance task)
LDR
connector O-ring
Check and lubricate if necessary
(recommended lubricant is Molykote 111)
Back-up battery
Renew
First stage regulator
Medium-pressure check (maintenance task)
Renew HP connector O-ring (maintenance task)
Cylinder
Charge to correct pressure
Checkthe initial test date stamped on the cylinder
(composite cylinders over 15 years old must be retired)
Cylinder pressure test
Carry out in line with national regulations
Cylinder valve
Basic overhaul
During cylinder pressure test or on
condition
