INTERIOR BAY TO INTERIOR BAY CONNECTION
All personnel must wear approved life jackets while on
bay. Failure to comply may result in injury or death to
Extreme caution should be taken when connecting bays.
Bays come together with extreme force and injury or
death to personnel may result.
IRB bays must be secured after launch prior to bay-to
When connecting IFB bays with IRB bays, refer to TM
5-5420-209-12 for operating instructions unique to IFB
When connecting first two bays, one IRB-I must be
anchored to shore prior to connection of second IRB-I.
a. Approach interior bay (1) from downstream.
Do not place upper coupling levers in open position
(hanging over end of bay) before bays can be connected;
levers should be left in receptacle blocks until exact
moment prior to closing. Failure to comply may result
in damage to equipment.
Check bays before connecting to ensure lower lock-drive
pin(s) are fully retracted.
b. Align interior bays (1) and (3) longitudinally so that yoke and lower main
coupling connecting eyes (2) align, then pull bays together using ropes.