OXYGEN BREATHING APPARATUS - SIGNALS TO BE USED
(Extracted from Bureau of Ships Manual, Art. 88-845)
The use, care, and maintenance of oxygen breathing apparatus should be stressed in the training of all personnel. All repair party personnel should adhere closely to the instructions as set forth in Chapter 93, Bureau of Ships Manual. The tenders should be trained to work with the wearer, using the same signals as are used by divers, and listed below (Ch. 94, Bureau of Ships Manual):
SIGNALS TO BE USED WITH DIVING EQUIPMENT, AIR-LINE MASKS, AND OXYGEN BREATHING APPARATUS
Signals from breatherman:
| 1 PULL | I am all right. |
|---|---|
| 2 PULLS | Lower or give me slack. |
| 3 PULLS | I am coming up. |
| 4 PULLS | Haul me up. |
| 5 PULLS | Send me a rope. |
| 2-1 PULLS | I understand, or answer telephone. |
| 3-2 PULLS | More air. |
| 4-3 PULLS | Less air. |
| 2-2-2-2 PULLS | Diver (Breatherman) is fouled, send assistance. |
Signals from tender:
| 1 PULL | Are you all right? (When diver (Breatherman) is ascending, STOP!) |
|---|---|
| 2 PULLS | You have come up too far. Go down until I stop you. |
| 3 PULLS | Stand by to come up. |
| 4 PULLS | Come up. |
| 2-1 PULLS | I understand you, or answer the phone. |
| 4-4-4-4 PULLS | The emergency signal. |
Soap and water only are to be used in cleaning the face mask. DO NOT USE ALCOHOL. Alcohol will lie in the lower part of the set and cause a dangerous gas to form when the canister is punctured. DO NOT GREASE OR OIL ANY PART OF THE APPARATUS.