TM 5-5420-278-24&P
0045 00
0045 00-2
OUTER PONTON LOCK MAINTENANCE (Contd)
REMOVAL
NOTE
Removal of outer ponton lock assembly is the same for left and
right sides. Left side is shown.
1.
Position outer ponton lock in unlocked position (TM 5-5420-278-10).
2.
Remove pin (17) from lever (18) and connector link (24) by turning pin (17) counterclockwise.
NOTE
If replacing turnbuckle, note length between rod ends for
installation.
3.
Turn pin (26) counterclockwise, and remove pin (26) and connector link (24) from bellcrank (27).
4.
Remove cotter pin (25) from pin (1), and remove pin (1), washer (28), spacer (29), and bellcrank (27)
from ponton support (2). Discard cotter pin (25).
NOTE
Mark location of spacer plates prior to removal for installation.
5.
Remove three nuts (9), screws (7), and spacer plates (6) and (8) from ponton support (5).
6.
Remove washer (13), spring (14), and washer (13) from spring holder (12) by slowly raising
lever (18) counterclockwise until end of spring holder (12) drops free from pin (15).
7.
Remove pin (15) and washer (23) from lever (18).
8.
Remove setscrew (22) from lever (18), and remove pin (3), washers (16), (19), and (20), and
lever (18) from ponton support (4).
9.
Remove spring pin (10), pin (11), and pin spring holder (12) from ponton support (21).
10.
Perform steps 1 through 9 to remove remaining outer ponton locks.
INSTALLATION
NOTE
Installation of outer ponton lock assembly is the same for left and
right sides. Left side is shown.
Ensure plates are installed in same location as marked during
removal.
1.
Install pin spring holder (12) on ponton support (21) with pin (11) and spring pin (10).
NOTE
Ensure hole in pin is aligned with setscrew during installation;
head of setscrew must seat against top of hook lever.
2.
Install lever (18) on ponton support (4) with pin (3), washers (19), (20), and (16), and setscrew (22).
3.
Install pin (15) on lever (18) with hole facing ponton support (21).
4.
Install bellcrank (27) on ponton support (2) with pin (1), spacer (29), washer (28), and new cotter
pin (25).
5.
Install connector link (24) on bellcrank (27) with pin (26).
6.
Install two washers (13) and spring (14) on spring holder (12), rotate lever (18) clockwise until end
of spring holder (12) enters pin (15), and lever (18) is up against stop.
NOTE
Perform step 7 if turnbuckle was disassembled or a replacement
turnbuckle was installed. Ensure length between rod ends is as
noted during removal.
7.
Connect connector link (24) to lever (18) with pin (17).
8.
Install spacer plates (6) and (8) on ponton support (5) with three screws (7) and nuts (9).
9.
Perform steps 1 through 8 to install remaining outer ponton locks.
10. Perform outer ponton lock adjustment.
