New Holland LS140 Workshop Manual page 530

ENGINE OIL PRESSURE SWITCH
Op. 55 414 12
REMOVAL
1. Support the boom on the boom lock pins.
2. Open the rear door and raise the top engine
shield to access the switch.
3. Remove the Y/B wire, 1, from the switch terminal.
4. Remove the switch, 2, from the engine head.
INSTALLATION
1. Install the switch.
2. Attach the Y/B wire to the switch terminal.
HYDROSTATIC CHARGE PRESSURE SWITCH
Op. 55 414 28
REMOVAL
1. Support the boom on the boom lock pins.
2. Remove the left fender or raise the seat and latch
in the raised position to access the switch.
3. Remove the Y/GY wire, 1, and B wire, 2.
4. Remove the charge pressure switch, 3, from the
hose.
INSTALLATION
1. Install the charge pressure switch into the hose.
2. Reinstall the Y/GY and B wires to the switch.
3. Reinstall the fender if removed for access.
SECTION 55 - ELECTRICAL SYSTEM
55-105
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