Hydraulic Electronic Control Unit (Hecu - jcb JS300 Service Manual

Section C - Electrics
Electronic Controllers

Hydraulic Electronic Control Unit (HECU)

Hydraulic Electronic Control Unit (HECU)
Location
The HECU 2 (if fitted) is located inside the cab on the rear
bulkhead 3. To get access to the HECU remove the rear
access panel 1. Refer to Section B.
2
1
3
C128250
Fig 5.
Operation Overview
The HECU is a programmed to control some of the
machine hydraulic systems. It receives inputs from the LH
and RH joystick control thumb wheels, various switches
and sensors. Outputs control solenoid valves for control of
the auxiliary hydraulics. The system is designed for simple
set-up of the auxiliary hydraulics for efficient and safe
operation of the machine.
C-44 9813/5100-1 C-44