TM-5-5420-203-14
BRIDGE, ARMORED VEHICLE LAUNCHED, SCISSORING TYPE CLASS 60 & CLASS 70 ALUMINUM, 60 FOOT SPAN; FOR M48A5 AND M60 LAUNCHER
TECHNICAL MANUAL; OPERATOR’S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE
JUNE 1991
TM-5-5420-203-14 - Page 38 of 298
TM 5-5420-203-14
1-8. EQUIPMENT DATA
- CONT
The following crossing restrictions are for combat vehicles exceeding a 60 ton vehicle weight and must be
enforced for crossing safety and to increase bridge service life:
CAUTION CROSSING - total vehicle classification from 50 to 70 MLC for 50 foot gap
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Maximum speed of vehicle on bridge is EIGHT (8) miles per hour.
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Upper connecting pins (4 each) must be installed
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Approach the bridge at no greater than maximum crossing speed
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Vehicle must be centered on bridge.
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Vehicle operator should restrict steering adjustments to the minimum.
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No stopping, accelerating, or shifting gears while on the bridge.
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No more than one vehicle on bridge at one time.
WARNING
DO NOT cross the AVLB with a M1 series tank that has the Mine Clearing Blade
installed. Doing so will result in damage to the bridge and could cause death or serious
injury to personnel.
RISK CROSSING - for total vehicle classification over 60 but not exceeding 70 MLC for 60 foot gap
Risk crossings can be made in emergencies when excessive combat losses would otherwise result.
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Maximum speed of vehicle on bridge is THREE (3) miles per hour (MPH)
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Upper connecting pins (4 each) must be installed.
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Approach the bridge at no greater than maximum crossing speed.
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Vehicles must be centered on bridge.
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Vehicle should properly align down the center line of the bridge so steering adjustments are not
required while on the bridge.
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No stopping, accelerating, or shifting gears while on the bridge.
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No more than one vehicle on bridge at one time.
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Gross weight on the bridge shall not exceed 70 MLC.
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A senior crewman must inspect the bridge for signs of structural failure after each risk crossing
Damaged parts must be replaced or repaired before traffic can resume.
1-18 Change 2
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