INTERIOR BAY TO INTERIOR BAY CONNECTION (cont)

INTERIOR BAY TO INTERIOR BAY CONNECTION - TM-5-5420-278-10_283

BRIDGE ASSEMBLY, SUCCESSIVE BAY METHOD (cont) - TM-5-5420-278-10_285

TM-5-5420-278-10 M85 Tank Chassis Transporting: for Bridge Armored-Vehicle-Launched Scissoring Type Class 80 Manual
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TM 5-5420-278-10 0032 00 0032 00-2 INTERIOR BAY TO INTERIOR BAY CONNECTION (Contd) WARNING Keep hands clear of space between bays when closing longitudinal upper couplings and do not place fingers under couplings when closing them, or serious injury to personnel may result. NOTE Bay-to-bay connection is easier if BEB crew makes waves to create movement. Upper couplings are closed when levers are fully down in receptacle blocks of adjacent bay. c. When bays are together, close two longitudinal upper couplings (1) on interior bays (2) and (4). CAUTION The top of lower lock-drive jackscrew must be 3/4 in. (1.9 cm) below top surface of roadway for lower lock- drive pin to be fully engaged. Failure to ensure jackscrew is 3/4 in. (1.9 cm) below top surface of roadway may result in damage to equipment. NOTE If engagement of lower lockpin is difficult, have bridge boat apply power forward or reverse and use crowbar to raise or lower bay as needed. d. Install T-wrench on jackscrew (3) of lower lock-drive, and turn T-wrench clockwise until lower lock-drive pin is fully engaged, then back-out jackscrew (3) one full rotation. e. Repeat step d for opposite lower lock-drive. 1 2 3 4 CROWBAR CROWBAR T-WRENCH END OF WORK PACKAGE

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