TM 5-5420-209-12
4-76. Roadway Pontons.
This task covers:
a. Replace
b. Repair
INITIAL SETUP
Tools
Equipment Condition:
General Mechanics Automotive Tool Kit
Bow ponton removed (para. 4-69).
(Item 1, Appendix B)
Ponton Leak Detector (Item 3, Appendix B)
a. Replace. (figure 4-100)
WARNING
When disconnecting any hydraulic line, open line slowly and protect face, as hydraulic oil may spray out
due to residual pressure in system.
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
Tag and disconnect hydraulic line (1) at quick disconnect (2).
Tag and disconnect hydraulic line (1) at quick disconnect (3).
Remove screw (4) and lockwasher (5) and remove clamp (6).
Repeat Step (3) for remaining clamps.
Untie rope (7) and remove hydraulic line (1).
Connect suitable lifting device to roadway ponton lift points (8).
Remove two cotter pins (9), washers (10), and remove pin (11).
Remove two nuts (12), screws (13), and links and lever (14).
Remove nut (15), screw (16), collar (17), washers (18), and front hinge pin (19).
Remove nut (20), screw (21), collar (22), and rear hinge pin (23).
WARNING
The weight distribution of load will result in the bottom of the ponton to swing in the direction of lifting
points. All personnel should stand clear of ponton during lifting.
(11) Unlatch travel latch (24) and remove roadway ponton (25).
WARNING
The weight distribution of load will result in the bottom of the ponton to swing in the direction of lifting
points. All personnel should stand clear of ponton during lifting.
4-260