Electrohydraulically Controlled Side Hydraulic Valves - New Holland T4.75F Operator's Manual

6 - WORKING OPERATIONS

Electrohydraulically controlled side hydraulic valves

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Machines equipped with a cab have a block of distributors for remote controls fixed on the right-hand side of the
driver's seat, controlled electronically.
The block of distributors is split into two sections:
• Section (A) is composed of four pairs of distributors with a controlled flow rate.
• Section (B) is composed of a pair of distributors for connecting hydraulic motors with a maximum flow rate of 33 l/
min (5 US gpm) controlled by a potentiometer.
The set of controls is secured inside the cab on the right-hand mudguard.
1. Joystick for controlling the distributors of section (A).
2. Distributor activation switch on line (X) .
3. Distributor activation switch on line (Y) .
Both switches, when pressed on a certain colour, activate the corresponding pair of distributors marked with the same
colour.
On the bottom of the console, there are the controls (4) and (5) for managing the hydraulic motors connected
to the pressure taps (B).
4. Flow control potentiometer for the oil to the sockets (B) from 0 to 33 l/min (5 US gpm).
5. Hydraulic motor control switch.
Press the switch onto position (D) to turn on the hydraulic motor, or position (C) to turn it off.
NOTE: For the pair of distributors for connecting hydraulic motors, the distributor (E) is for delivery and the distributor
(F) for the return line.
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