UPPER COUPLING AND RECEPTACLE BLOCKS REPLACEMENT (Contd)
Removal and installation of upper couplings and receptacle blocks
on ramp or interior bays are performed the same way.
Removable insert blocks are provided on the bay-to-bay ends of
inner pontons only. Inner-to-inner ponton coupling locating
recesses are welded in place and will not be removed at unit level
Perform steps 1 through 3 to remove connector lever and bracket.
Perform steps 4 and 5 to remove receptacle blocks.
Remove spring (8) from pin (6) and lever (9).
Remove two screws (4) and bracket (10) from receptacle block (11).
Remove two cotter pins (5), washers (7), pin (6), and lever (9) from bracket (10). Discard cotter
Do not overheat area around block or damage to aluminum may
Receptacle blocks must be removed by driving them straight up
and out of inner pontons, or damage to equipment may result.
Heat area around block to loosen sealing compound before
Remove four screws (3) and receptacle block (11) from end of inner ponton (12).
Remove four screws (1) and receptacle block (2) from end of inner ponton (12).
Perform steps 1 through 5 to remove remaining connector levers and receptacle blocks.
Perform steps 1 and 2 to install receptacle blocks, if removed.
Apply unlike metal compound to all mating surfaces of receptacle
blocks and inner ponton prior to installation.
Install receptacle block (2) on end of inner ponton (12) with four screws (1).
Install receptacle block (11) on end of inner ponton (12) with four screws (3).
Perform steps 3 through 5 to install coupling lever and bracket.
Install lever (9) on bracket (10) with pin (6), two washers (7), and new cotter pins (5).
Install bracket (10) on receptacle block (11) with two screws (4).
Install spring (8) on pin (6) and lever (9).
Perform steps 1 through 5 to install remaining receptacle blocks and connector levers.
Fold bay and install bay on transporter (TM 5-5420-278-10).