4-71. Bow Pontons. - Continued
b. Repair. (figure 4-94)
Bow ponton removed for repair, see para. a above.
Lift lever (1) and remove bilge plug (2).
Install ponton leak detector and pressurize ponton (3) to 1.4-1.6 psi (9.6-11.0 kpa.
Apply soapy solution to ponton surface and check for leaks.
Mark leaks and relieve pressure.
Repair leaks by welding, except at riveted and betted seams.
Repair leaks at riveted and bolted seams with sealing compound.
Repaint repaired areas in accordance with MIL-T-704, Type B or local directives.
Apply nonskid compound to walkways.
Remove ponton leak detector, and install bilge plug (2) and secure.