TM 5-5420-278-10
0003 00
0003 00-12
IRB ASSEMBLY
DIFFERENCE IN CONFIGURATION FROM IFB
Lifting lug, front and
Both fixed
rear
Bilge outlets
1. Redesigned outlets for draining folded bay
2. Redesigned outlets for pumping out unfolded bay
Railing
New design
Stowage box and lid
Integrated in outer ponton; lid even with top of deck
Walkway ramp plates
1. New design including fixing and securing on ponton
2. Provision for installation of one additional ramp
plate on each ponton
PUMP SYSTEM
Cylinder
1. New design having increased stroke and modified
bearing
2. Modified pin for cylinder
Pump
1. New internal design
2. Larger fluid reservoir
3. Redesigned controls
4. Modified access cover and revised operating
instructions data plate
5. Compensation line between fluid reservoirs
6. Redesigned hose guides including protection loom
INTERIOR BAY
Inner ponton
1. Redesigned ends having integrated access holes
for main couplings
2. Steel main couplings
Outer ponton
1. Redesigned; revised bow shape
2. Raised splash plate
3. Redesigned cleats
4. Reinforced deck
5. Redesigned load receiving recesses for redesigned
rafting brackets, air-transport, and load retaining
system
6. No unfolding mechanism lever box
7. No retaining cable fixing strut
Table 1. Differences Between IRB and IFB (Contd).
DIFFERENCES BETWEEN IRB AND IFB (Contd)