Maintenance; Cleaning; Storage; Maintenance Schedule - Sundstrom SR 307 Manuel De L'utilisation

Temperature range use
14 ºF - 131 ºF (-10 ºC to +55 ºC) and a relative humidity below
90%.
Weight
Weight without regulator: 2.8 oz (80 g).
Working pressure
58–102 PSI (4–7 bar) measured at the connection to the

regulator.

4. Maintenance

Personnel who are responsible for maintenance of the equip-
ment must be trained and well acquainted with this type of work.

4.1 Cleaning

The SR 307 should be cleaned in the following manner: Use
a piece of soft cloth or a sponge dipped in a solution of water
and dishwashing detergent or the like. Rinse and leave to dry.
Sundström cleaning wipes 5226 can be used to advantage
for cleaning.
For particulars of cleaning of the Sundström half mask and full
mask, see the appropriate user instructions.

4.2 Storage

After cleaning, store the equipment in a dry and clean place at
room temperature. Avoid direct sunlight.

4.3 Maintenance schedule

The schedule below shows the minimum requirements on
maintenance routines to assure the user that the equipment
will always be in usable condition.
Visual inspection

Functional check

Cleaning

4.4 Spare parts

Use only genuine Sundström parts. Don't modify the equip-
ment. The use of 'pirate parts' or any modifications made to the
equipment may reduce the protective effect and compromise
the approvals granted to the equipment.
4.4.1 Regulator
The regulator is a complete, sealed unit. Don't attempt to
repair or modify it.

4.4.2 Breathing hose

To change the breathing hose, proceed as follows:
• Cut off the hose clip with a pair of pincers and pull the hose
off. Fig. 5.
• Thread the hose clip and retaining clip (Fig. 1:11) onto the new
hose. Connect to the compressed air attachment (Fig.1:2)
and use a pair of pincers to nip the hose clip. Fig. 6.
• Apply a load to the hose to check that it is firmly secured to
the compressed air attachment.
Before After After two

use

use
• •
•
•

5. List of parts

The item numbers below refer to Fig. 1 at the end of the user
instructions. Parts marked with an asterisk (*) are not shown.
5.1 Spare parts
Item Part
1 Breathing hose
2 Compressed air attachment
3 Belt
4

Flow meter

5 Regulator assembly SR 347
* Service kit
6

Locking ring

7 Protective cover
8 Membrane
9 Silencer

5.2 Accessories

Item Part
* SR 358 plastic hose. See section 3
* SR 359 rubber hose. See section 3
* Cleaning tissues, box of 50
* Cleaning tissues, box of 1,000

6. NIOSH/DHHS Labels

(Separate insert pages included with this booklet)
years
•
•
Order No.
R03-1428
R03-1425
R03-1510
R03-0346
R03-1421
R03-1417
-
-
-
-
Order No.
H09-0401
H09-0402
5