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

REAR SWIVEL HOOK REPLACEMENT REMOVAL, INSTALLATION

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 0026 00 0026 00-2 REAR SWIVEL HOOK REPLACEMENT (Contd) NOTE Removal and installation of right and left swivel hooks are performed the same way. Right side is shown. REMOVAL 1. Using lifting device and sling, lower bay down so that roadway of inner ponton (4) is resting on dunnage. 2. Place swivel hook lever (9) in closed position. 3. Remove two cotter pins (11), washers (10), and pin (12) from tension spring holder (13) and swivel hook lever (9), and disconnect tension spring holder (13) from bracket (8). Discard cotter pins (11). 4. Remove tension spring holder (13), spring (14), and spacer (19) from tension spring pin (18). 5. Remove two cotter pins (15), washers (17), pin (16), and tension spring pin (18) from bracket (20) on inner ponton (4). Discard cotter pins (15). 6. Remove locknut (5) and screw (7) from swivel hook lever (9) and swivel hook pin (2). Discard locknut (5). 7. Unlock foldlock and raise outer ponton to vertical position. 8. Remove setscrew (1) and indicator plate (3) from swivel hook pin (2). NOTE Note location and quantity of spacers for installation. 9. Pull swivel hook pin (2) out of swivel hook lever (9) and inner ponton (4), and remove swivel hook lever (9) and two spacers (6) from inner ponton (4). INSTALLATION NOTE Apply a light coat of grease to swivel hook pin, spacer, and tension spring holder prior to installation. 1. With outer ponton in vertical position, position swivel hook lever (9) and two spacers (6) on inner ponton (4), and slide swivel hook pin (2) through spacers (6) and swivel hook lever (9). 2. Place swivel hook lever (9) in closed position, and install indicator plate (3) on swivel hook pin (2) with pointer in line with swivel hook lever (9) and groove in swivel hook pin (2). 3. Align hole in swivel hook pin (2) with hole in swivel hook lever (9), and install screw (7) and new locknut (5). 4. Install setscrew (1) on indicator plate (3) and swivel hook pin (2). 5. Lower outer ponton down on inner ponton (4), and close foldlock. 6. Install tension spring pin (18) on bracket (20) with two washers (17), pin (16), and two new cotter pins (15). 7. Position spacer (19), spring (14), and tension spring holder (13) on tension spring pin (18), and install tension spring holder (13) on bracket (8) on swivel hook lever (9) with two washers (10), pin (12), and two new cotter pins (11). 8. Place swivel hook lever (9) in open position. 9. Connect inner pontons (WP 0023 00).

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