TM 5-5420-278-24&P
0027 00
0027 00-2
FRONT SWIVEL HOOK AND RETAINER SHAFT REPLACEMENT (Contd)
NOTE
Removal and installation of right and left swivel hooks are
performed the same way. Right side is shown.
FRONT SWIVEL HOOK REMOVAL
1.
Using lifting device and sling, lower bay down so that roadway of inner ponton (3) is resting on
dunnage.
2.
Place swivel hook lever (7) in closed position.
3.
Remove two cotter pins (10), washers (9), and pin (11) from tension spring holder (12) and swivel
hook lever (7), and disconnect tension spring holder (12) from bracket (6). Discard cotter pins (10).
4.
Remove tension spring holder (12), spring (13), and spacer (16) from tension spring pin (15).
5.
Remove two cotter pins (14), washers (18), pin (17), and tension spring pin (15) from bracket (19) on
inner ponton (3). Discard cotter pins (14).
6.
Remove locknut (8) and screw (5) from swivel hook lever (7) and swivel hook pin (20). Discard
locknut (8).
7.
Unlock foldlock and raise outer ponton to vertical position.
8.
Remove setscrew (1) and indicator plate (2) from swivel hook pin (20).
NOTE
Note location and quantity of spacers for installation.
9.
Pull swivel hook pin (20) out of swivel hook lever (7) and inner ponton (3), and remove swivel hook
lever (7) and two spacers (4) from inner ponton (3).
RETAINER SHAFT REMOVAL
NOTE
Removal and installation of retainer shafts are performed the
same way. Right side is shown.
1.
Mark position of swivel plate (24), and remove screw (22) and washer (23) from outer ponton (25).
2.
Remove screw (21) and washer (28) from control rod (26), and mark position of swivel plate (24) on
control rod (26) before removing swivel plate (24).
NOTE
Note location and quantity of hex washers for installation.
3.
Remove swivel plate (24) and three hex washers (27) from control rod (26).
4.
Remove control rod (26) from outer ponton (25).
