Test 006: Test The Pressure Switches - jcb JS300 Service Manual

Select the pressure switch status mode on the DECU LCD
monitor to display the actual pressure switch states. Refer
to Section C, Machine Diagnostic Modes.
The expected pressure switch states are shown in the
table. Operate the machine and check the pressure switch
operation for each service function.
Services
Boom up
Dipper in
Dipper out
Bucket in and out
Swing left and right
Travel
Hammer
E-258

Test 006: Test the Pressure Switches

Table 18.
Hammer
OFF
OFF
OFF
OFF
OFF
OFF
ON
9813/5100-1
Section E - Hydraulics
Hydraulic System Fault Finding
Test 006: Test the Pressure Switches
Pressure Switch
Swing Travel
OFF OFF
OFF OFF
OFF OFF
OFF OFF
ON OFF
OFF ON
OFF OFF
Excavator
ON
ON
ON
ON
ON
OFF
ON
E-258