REMOVAL - TM-5-5420-278-24P

UPPER COUPLING AND RECEPTACLE BLOCKS REPLACEMENT

UPPER COUPLING AND RECEPTACLE BLOCKS REPLACEMENT (Contd)

TM-5-5420-278-24P Common Bridge Transporter (CBT) M1977 and Bridge Adapter Pallet (BAP) M15 Manual
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TM 5-5420-278-24&P 0057 00 0057 00-2 UPPER COUPLING AND RECEPTACLE BLOCKS REPLACEMENT (Contd) NOTE 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 maintenance. REMOVAL NOTE Perform steps 1 through 3 to remove connector lever and bracket. Perform steps 4 and 5 to remove receptacle blocks. 1. Remove spring (8) from pin (6) and lever (9). 2. Remove two screws (4) and bracket (10) from receptacle block (11). 3. Remove two cotter pins (5), washers (7), pin (6), and lever (9) from bracket (10). Discard cotter pins (5). CAUTION Do not overheat area around block or damage to aluminum may occur. Receptacle blocks must be removed by driving them straight up and out of inner pontons, or damage to equipment may result. NOTE Heat area around block to loosen sealing compound before removing block. 4. Remove four screws (3) and receptacle block (11) from end of inner ponton (12). 5. Remove four screws (1) and receptacle block (2) from end of inner ponton (12). 6. Perform steps 1 through 5 to remove remaining connector levers and receptacle blocks. INSTALLATION NOTE 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. 1. Install receptacle block (2) on end of inner ponton (12) with four screws (1). 2. Install receptacle block (11) on end of inner ponton (12) with four screws (3). NOTE Perform steps 3 through 5 to install coupling lever and bracket. 3. Install lever (9) on bracket (10) with pin (6), two washers (7), and new cotter pins (5). 4. Install bracket (10) on receptacle block (11) with two screws (4). 5. Install spring (8) on pin (6) and lever (9). 6. Perform steps 1 through 5 to install remaining receptacle blocks and connector levers. 7. Fold bay and install bay on transporter (TM 5-5420-278-10).

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