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An Introduction To The Testing Of The Excavator Device

Jul 15, 2018

This function enables the speed control brakes and various proportional relief valves to reach the maximum scan output and fixed output. It can test the fixed output of various proportional pressure relief valves. This function enables each component to be enabled to ensure the operation of the components.

1. enter the maintenance mode. Use the direction key to highlight second rows.

2. use the direction key to scroll the display until the "DEVICE TEST" is displayed.

3. the name of the component in the third line test. The above image shows the screen entering the fixed engine speed mode.


The test items are listed in the following table.


Device name content

"ENG SPEED-FIXED" engine is converted to fixed output

Speed scanning output of "ENG SPEED-SWEEP" engine

"PS PRV-FIXED" power shift pressure fixed output

"PS FRv_SWEEP" power shift pressure scanning output

"NFCl PRV-FIXE" flow limited pressure fixed output

"NFCl PRV-SWEEP" flow limited pressure scanning output

"NFC2 PRV FLXED" priority reverse flow control Hill fixed output

"NFC2 PRV-SWEEP" priority reverse flow control pressure scan output

"AEC LAMP-ON/OFF" AEC display lamp output

"TRV LANIP-ON/OFF" display lamp driving mode output

The "A CANCEL-ON/OFF" traffic alarm is relieved to display the lamp output.

"TRV SPEED-ON/OFF" driving speed electromagnetic coil output

"TRV ALARM-ON/OFF" traffic alarm output

"TRV STR-ON/OFF" direct drive electromagnetic coil output

The "SWING BRK-ON/OFF" turntable parking brake relieves the output of the electromagnetic coil.