jcb 3DX Xtra Quick Start Manual

MANAGEMENT INFORMATION
DATE: 08/2014
SUBJECT: Introduction of Upgrade Version of Backhoe Loader Variants
PRODUCTS AFFECTED:
3DX (01491201 - 01502999),
4DX (01415101 - 01416999)
TERRITORIES AFFECTED: India
TO BE CARRIED OUT: Information Only
SAFETY NOTICE: Instructions in Service Bulletins assume that the engineer has a sound knowledge of safety procedures and
has been trained in the maintenance and repair of JCB products. If you are unsure or do not understand information contained in
this or other bulletins, ask your supervisor or contact JCB Service for advice. REMEMBER SAFETY MUST COME FIRST.
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Whilst the information is believed to be correct, no guarantee is given by JCB as to it's accuracy and it's use may not be attributed to JCB. This bulletin is issued for
information only and does not constitute an instruction to carry out warranty repairs on JCB products.
Introduction
JCB introduces an upgraded version of Backhoe
loader variant machines. These variants have latest
hydraulic systems, Power Management System
(3DX Xtra only), servo (on demand), air-conditioning
(on demand ) and high dump / maximum dig depth.
Figure 1.
The main features are listed below.
1 JCB Engines
• Aluminium radiator
2 High flow hydraulic pumps
3 PMS (Power Management System) controlled
3DX Xtra Hydraulic system
• Solenoid (Auto) dump in P2 Flow
• Pump pressure sensor- P1 Line
• Accelerator pedal position sensor
4 Hydro control valve blocks
1 / 4
ISSUE: 1
• Loader valve block
a P2 Dump valve
b P2 Pressure maintenance valve
c MRV (Main Relief Valve)
• Excavator Control
a Hydro clamp valve
b Servo
machine only)
5 In the servo machine: The excavator valve
spools (Boom, Dipper, Bucket and Slew) are
operated by the servo system. Manual control
for loader and stabilizers.
6 In standard machine: Manual operated EVB
(Excavator Valve Block) and LVB (Loader Valve
Block) like standard 3DX machine.
7 Independent steering system in all variants
8 In air conditioning machine, the air flow vents
are given in the cab roof for changing air flow
direction.
9 Auto engine OFF system
10 Servo safety system
Machine Identification
HAR 3DX
Parameter
HAR
3DXSS
MI1179-1
NUMBER: MI1179
pressure valve
Table 1.
S S L 1 2 3 4 5 6 7 8
Table 2.
Description
World manufacturer's identifica-
tion
Machine model
(Servo
1 / 4