TM 5-5420-278-24&P
0003 00
0003 00-7
DIFFERENCES BETWEEN IRB AND IFB (Contd)
DIFFERENCE IN CONFIGURATION FROM IFB
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 hydraulic 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
Lower lock-drive
None
Upper coupling,
Locking recesses removable and made of steel
longitudinal
Upper coupling,
None
transverse
Travel latch
None
Foldlock
None
Outer ponton lock
New design; lock is engaged/disengaged from deck
IRB ASSEMBLY
Table 1. Differences Between IRB and IFB (Contd).