Ramp Bay BOW Pontons. This task covers repair

Figure 3-5. Ramp Bay Support Link and Hinge Pins, Replace

Figure 3-6. Ramp Bay Bow Pontons, Repair.

TM-5-5420-209-34 Improved Float Bridge (Ribbon Bridge) Consisting of: Transporter Interior Bay Ramp Bay Manual
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TM 5-5420-209-34 3-11. Ramp Bay BOW Pontons. This task covers repair. This task covers: Repair INITIAL SETUP Tools Equipment Condition: General Mechanic’s Tool Kit Ramp bay bow ponton removed (NSN 5180-00-177-7033) (TM 5-5420-209-12). Materials/Parts Compound, Covering (Item 1, Appendix B) Solvent, Dry Cleaning (Item 2, Appendix B) Rags, Wiping (Item 5, Appendix B) a. Repair. (figure 3-6) Dry cleaning solvent, PD-680, used to dean parts is potentially dangerous to personnel and property. Avoid repeated and prolonged skin contact. Do not use near open flame or exces- sive heat. Flash point of solvent is 1OO°F-138°F (38°C-60°C). (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) Clean bow pontons using dry cleaning solvent and dry thoroughly. Raise lever on snap-tite plug (1) and remove plug. Remove screw (2) securing chain (3) and remove chain. Install ponton leak detector into bow ponton (4). Connect air source to Ieak detector and pressurize ponton to 1.5 ± 0.1 psig. Apply soapy solution to ponton surfaces and check for leak. Inspect plates and roadway decking for dents, and repair dents in accordance with TM 9-450. Inspect plates and deck for cracks and repair cracks in accordance with TM 9-237. Inspect surfaces for damage or minor gouging or plate distortion and repair with a file or suitable bending tool. After repair of surface damage, dean, treat and paint the repaired area in accordance with MIL-T-704 type B. Remove ponton leak detector. 3-18

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