07 st1030 steering system with emergency steering
DESCRIPTION
sistema direccion st1030TRANSCRIPT
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ST1030 TRAINING
Steering System
You will know the Atlas Copco Scooptram ST 1030, from the inside and the outside, including hydraulic & electrical systems, safety, and basic maintenance routines.
ContentOverviewSafetyEngine and fuel systemTransmission and axlesHydraulics introduction
BrakesSteeringDump and hoistElectrical systemGeneral maintenance
Objectives
Priority ValveSteering System
Steering pump In
D& H pump In
Steering inlet main valve D&H inlet main valve
TP3
Steering pump In
TP2
TP1
D& H pump In
D&H inlet main valve
Steering inlet main valve
PRIORITY VALVE
D&HPUMP
More then 1400 engine RPM = 64 L/ min
BRAKE & STRGPUMP
Steering SystemPriority Valve
Steering ValveSteering System
P Door Interlock Sensor
Main Hydraulic ValveSteering System
Main Hydraulic ValveSteering System
Dump & Hoist Main Relief; 217 Bar
Steering Main Relief; 227 Bar
= Port relief (Shock Valves); 241 Bar
Steering System
Steering System
Making a left turn, whiledriving forward
Steering System
Making a left turn, whiledriving forward
Steering System
Steering System
Making a right turn, whiledriving forward
Steering System
Making a right turn, whiledriving forward
Steering System
Receiving a shock while driving
Steering System
Ignition turned to “on” position.
Engine starting.
When and ifthe door is closed
Machine in normal operation
Main pressure failure for steering
Horn goes on to when pump pressure for steering is missing
Move the steering lever fully to any side to overcome the pressure switch treshold
Machine in normal operationIgnition is turned to off position30 Sec off delay timer
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