TM 5-3810-302-10
THEORY OF OPERATION
GENERAL.
The SCAMP is fully self-contained. All crane functions are either electrically
or hydraulically controlled, and hydraulically operated. The main functions
are raising and lowering the boom, extending or retracting the boom, raising
and lowering loads with the hoist, swinging the boom, and extending and
retracting the outriggers. Hydraulic cylinders activate the elevation,
telescope, and outrigger systems. The hoist and swing systems are driven by
hydraulic motors.
A diesel engine provides drive power for the hydraulic pump and also drives
an alternator which supplies electrical power for control, accessory, and
lighting systems. The engine also provides power to the axles through a
transmission, to drive the crane.
Hydraulic flow and electrical power are transferred from the carrier to the
superstructure through hoses and conduits located at the center of rotation.
MAJOR COMPONENTS AND SYSTEMS.
CAB ASSEMBLY.
The cab is frame mounted, one man, all steel, and fully enclosed. Safety
glass is used in all front, rear, side, and top panels. Lockable sliding glass
windows are used in both side panels. Features include a windshield wiper
and washer, heater, and adjustable defroster fan. Access is by a door on left
side. A kick-out emergency escape panel is on the right. There is an
adjustable operator's seat with seat belt.
CARRIER FRAME ASSEMBLY.
The frame assembly is of a hi-strength steel, parallel box-type construction
with cross-members reinforced for maximum strength with towing pintle
hooks front and rear.
