Maintenance; Maintenance Intervals - Dräger PSS BG 4 plus Maintenance Manual

Maintenance

4 Maintenance
Maintenance is carried out in the following order:
1. Disassemble the closed-circuit breathing apparatus and
replace faulty parts (see chapter 4.2 on page 17).
2. Clean, disinfect and dry the closed-circuit breathing
apparatus (see chapter 4.3 on page 20).
3. Assemble the closed-circuit
(see chapter 4.4 on page 21).
4. Test the closed-circuit breathing apparatus (see chapter 4.5
on page 25).
4.1

Maintenance intervals

Component
Closed-circuit breathing apparatus
CO absorber (disposable cartridge)
2
CO absorber (refillable cartridge)
2
Compressed oxygen cylinder
1 Applies to closed-circuit breathing apparatus that is constantly in use
2 Applies to reserve stocks
3 Only performed by expert personnel. Send the pressure reducer to Dräger for major overhaul.
4 Applies to CO absorbers in closed-circuit breathing apparatus that are stored on vehicles or in the depot, tested in accordance with
2
chapter 4.5 on page 25 and the connecting piece of which is sealed with the corresponding protective cap.
5 Hydro-testing in accordance with the local requirements.
Composite cylinder: Life cycle = 15 years from date of manufacture.
6
16
breathing apparatus
Work to do
Visual inspection, test function and sealing
Clean and disinfect
3
Major overhaul
Replace
Refill
5
U.S.DOT
Page 16
1 2
X X
AFTER EVERY USE
X
4
X
4
X
6
X
Dräger PSS BG 4 plus
Draeger Training 11/16 rev 1