TM 5-3810-306-20
LOCATION AND DESCRIPTION OF MAJOR COMPONENTS
Boom. Extends from 34 to 60 feet with one full powered telescoping section. Trapezoidal in design and uses one 6.50-
inch telescope cylinder to extend and retract boom. Boom elevation is from -4°degrees (below horizontal) to +80
degrees. Supports main and auxiliary boom nose.
Main/Auxiliary Hoists. The hoists provide power for all load raising and lowering operations. Two hydraulic motors drive
each hoist drum by means of a planetary gear reduction system. A metallic disc brake is also an integral part of
the hoist assembly, and operates automatically when the control lever is in neutral.
Cab. Contains controls and indicators for roading and crane operations. Enclosed in an all steel, acoustically treated
enclosure, surrounded with tinted safety glass.
Fuel Tank. Is a steel cylinder-type tank located below the left fender. Two connections on top of tank provide for fuel
supply to engine and return of surplus from engine. Equipped with a lock type filter cap and fuel quantity sender.
Fuel tank has a draw capacity of 100 gallons.
Outriggers. The outriggers, part of the carrier frame, are controlled and operated from the cab. They are full hydraulic,
double box type. When positioned they provide a rigid four-point platform (fully extended and set) capable of
supporting the machine and its maximum load capacity. Integral holding valves and floats are provided.
1-5
