TM 5-3800-205-10-1
THEORY OF OPERATION - CONTINUED
0003 00
HYDRAULIC SYSTEM - CONTINUED
Steering System. The steering system is a variable flow modulated system. This type of system allows the operator
2.
good control for minor steering corrections at fast ground speeds as well as good control while operating at slower
speeds during tight turns.
3.
Scraper Hydraulic System. The scraper hydraulic system consists of three primary hydraulic circuits to support
scraper operations: bowl circuit for raising and lowering the bowl; ejector/floor circuit for ejecting material from
the bowl; and elevator circuit for loading and unloading material.
Bowl/Tank
Pressure Switch
Lift Cylinders
Elevator Motor
Water Distributor
Center
Ejector Cylinder
Floor Cylinder
Relief
Valve
Control Valve
Elevator
Control
Relief/Vent
Valve
Valves
Steering
Cylinders
Oil Cooler
Steering Pump
Filter
Elevator Pump
Hydraulic Tank
390-1179
END OF WORK PACKAGE
0003 00-8
