Skip to main content

Volvo EC330B Excavator Emergency Control User Guide

Volvo EC330B Excavator Emergency Control User Guide

 


Emergency Control
This function is for emergency operation when malfunction of data bus or V-ECU has occurred.Volvo PTT

 
1. When there is communication error, E-ECU realizes this condition and automatically goes to the emergency mode. If emergency switch is in neutral position, engine speed will be emergency low speed and maximum current will be supplied to power-shift valve from V-ECU.


2. When there is communication error, E-ECU realizes this condition and automatically goes to the emergency mode. If emergency switch is up position, engine speed will be emergency high speed and power-shift valve current is set to the value that corresponds to 85% of the maximum pump input torque from V-ECU.Vocom 88890300


3. When malfunction of V-ECU, Emergency switch control the engine speed and Auto-Manual switch decide power shift current with resistor box. Machine can use 85% of the maximum pump input torque.


4. Emergency switch have emergency stop function when engine is still running after turning off the keyswitch.Volvo PTT Free Download
** Emergency low-high speed can be adjusted by VCADS Pro.

Comments

Post a Comment

Popular posts from this blog

How to Remove and Install Sink Drain Assembly for Volvo VN770 Truck

This instruction show you guide on how to remove and install sink drain assembly for Volvo VN770 truck. Volvo Tech Tool 2022
Post a Comment
Read more

Volvo EC330B Excavator Battery Relay & Safety start Relay

Volvo EC330B Excavator Battery Relay & Safety start Relay Battery relay This is main relay for electric system. Volvo PTT Techtool 2.8.130 The relay turns the battery current ON or OFF, according to low power signals received from the start switch. Use of the relay permits the start switch to control the power of the batteries with a small capacity wire. When you replace this component, pay attention to the +/- signs on the relay. Wrong connection can cause early failure of relay. 2. Safety start relay When trying to restart the engine while the engine is running, or if the start switch is in the START position after the engine is activated, the relay cuts off the current to the starter motor to protect it.
Post a Comment
Read more

How to Install Bucket Cylinder Protecting for Volvo EC210B Excavator

This instruction show you guide on how to install bucket cylinder protecting guard for Volvo EC210B excavator. Preparations: Volvo PTT Diagnostic software free download Volvo PROSIS 2019 EPC+Service Manual Free Download   Procedures: Park the machine in in the service position A Install clamp (1) and screws (2).(2).
Post a Comment
Read more