4-76. Roadway Pontons. - Continued
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
Install front hinge pin (19), washers (18), collar, and secure with screw (16) and nut (15). Torque screw
to 120-132 ft-lbs (162-179 Nm).
Install links and lever (14) and secure with two screws (13) and nuts (12). Torque screw to 120-132 ft-lbs
(1162-179 Nm).
Install pin (11) and washers (10) and secure with two cotter pins (9).
Connect lifting device to front(18) and rear (22) hinge pins and raise roadway pontons and latch travel latch
(23) and lower roadway pontons.
Connect hydraulic line (1) to quick disconnects (2) and (3) as tagged.
Install clamp (6) and secure with screw (4) and washers (5).
Repeat Step (19) for remaining clamps.
Secure rope (7) to hydraulic line (1) and lever (14).
FOLLOW-ON MAINTENANCE: Install bay (para. 2-27).
b. Repair. (figure 4-101)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
NOTE
Roadway ponton removed for repair. See para. a above.
Raise lever (1) and remove bilge plug (2).
Install ponton leak detector and pressurize ponton (3) to 1.4-1.6 psi (9.85-11.25 kg/sq cm).
Apply soapy solution to surface of ponton and check for leaks.
Mark leaks and relieve pressure in ponton (3).
Repair leaks, except on riveted or bolted seams, by welding.
Repair leaks at riveted and betted seams with sealing compound.
Repaint repaired areas in accordance with MIL-T-704 or local directives.
Apply nonskid compound to walkways.
Remove ponton leak detector and install bilge plug (2) and secure.
Repeat Steps (1) and (9) for remaining ponton.
TM 5-5420-209-12
4-262
