Mustang Survival DLX38 Guide D'utilisation page 13

4. Raise, and hold, the lever into the inflator housing. Install a new
cylinder/bayonet assembly by engaging bayonet tabs in housing,
pushing in then turning clockwise 1/8 turn to a full stop (Fig. 14).
WARNING: PFD WILL ONLY INFLATE IF CYLINDER IS TURNED TO A FULL STOP.
5. Examine the service indicator (Fig. 13) and ensure it is GREEN. If
the service indicator is red, the mechanism has been fired or is
incorrectly fitted and the inflator requires service. (See Re-arming
Your PFD (MD2951), p. 12).
NOTE: THE SERVICE INDICATOR MUST BE GREEN BEFORE PROCEEDING.
6. Refold the Inflatable PFD in accordance with the Repacking
section (See Repacking, p. 17).
7. Your inflatable PFD (MD2951) is now ready for manual use.
Tab
Piercing Pin
Service Indicator
Lever
Fig. 14
MD2951 Manual Inflator
Cylinder
1/8 Turn
13