TM 5-5420-209-12
4-96. Bow Pontons.
This task covers:
a. Replace
b. Repair
INITIAL SETUP
Tool
Materials/Parts - Continued
General Mechanic’s Automotive Tool Kit
Grease, Automotive and Artillery
(Item 1, Appendix B)
(Item 2, Appendix E)
Ponton Leak Detector (Item 3, Appendix B)
Compound, Deck Covering
(Item 1, Appendix E)
Materials/Parts
Equipment Condition:
Lifting Sling (NSN 1670-00-907-3080)
Four Chocks 6 x 6 x 24 in. (15 x 15 x 60 cm)
Unfolding lever removed (para. 4-92).
Sealing Compound (Item 14, Appendix E)
NOTE
There are two bow pontons on each bay. The following procedures are the same for both.
a. Replace. (figure 4-125)
(1) Connect bay (1) to suitable lifting device and raise bay enough to place four chocks (2) under roadway pon-
tons (3) and lower bay.
(2) Connect bow ponton (4) to suitable lifting device.
WARNING
Stand clear of pontons and cable during lowering operations. Do not stand on, or place hands or arms
under, interior bay pontons when removing attaching parts.
(3) Unlatch roadway/bow ponton foldlock latch (5) and slowly lower bow ponton (4).
(4) Remove four spring pins (6), two hinge pins (7) and remove bow ponton (4).
(5) Apply grease to hinge pins (7).
WARNING
Do not stand on, or place hands or arms under, interior bay pontons when installing attaching parts. Stand
clear of pontons and cable during lifting operations.
(6) Install bow ponton (4) and secure with two hinge pins (7) and spring pins (6).
(7) Raise bow ponton (4) and latch roadway/bow ponton foldlock latch (5).
4-310
