Haulotte 4527A Installation guide

Light Trailer Boom Technical Training
Rev 04-15 1

2
Training Objectives
To learn and understand operation of Light Booms.
To learn and understand Electric and Hydraulic Layouts.
To be able to accurately diagnose Electric System.
To be able to accurately diagnose Hydraulic System.

Contents
Machine Layout and Upper and Lower Control Boxes (4-12)
Component identification and descriptions (13-24)
Trailer Hydraulic Schematics and Hydraulic Components (25-42)
3

Towable Models
Articulating Boom: 3522A, 4527A, 5533A Telescopic Boom: 3632T
4

Articulating Ground Controls
5

Telescopic Boom Ground Controls
6

Maintenance Mode Press & Hold for 5 seconds (Outrigger Extend,& both Rotate Buttons)
Hour Meter Display Press & hold (Rabbit & “Turtle) Buttons
Engine RPM While engine is running, press (Start Engine) Button
Weight Display Press & Hold (Basket Compensate Up & Down Together)
Moment Sense Display Press & hold (Outrigger Ext,Outrigger Retract & Boom Down Button)(Only works on 4642)
Level Sensor While in Maintenance Mode press Auto Level Button
Engine Hours Press & hold (Rabbit,Turtle, & Engine Start) together
Service Menus (Hot/Hidden Keys)
7

Printed Circuit Card ECU
8

I/O Driver Board
9

Towable Upper Control Box (UCB)
10

Drive & Set Manual Activation
11
Design objective:
No longer use the parking brake for Drive & Set
Brakes to hold on grade the machine can level on 12°
Field retrofitable for machine in the field with Drive
and Set

12
Drive & Set Manual Activation

13
Lift Handle & push back on locking lever
Push down on handle until linkage locks in place
Manual Activation

14

Drive and Set Upper Control Box (UCB)
15

Drive Set Controller
Joystick Values
Voltages from 5vdc - 2.5vdc –
0.0vdc for both X and Y axis
16

CANBus
CAN Bus circuit has two resistors,
and one is located in the upper
circuit card and the other on the
CPU card.
If the system is working properly
63Ωshould be across the CAN
Bus. If there is an open in the
system then a reading of 126Ωon
each module.
On the I/O Driver Board in the
Lower Control plug J5 pins 3 & 4
are the communication from
platform. Output from J3 are pins
38 & 40 on the Driver Board to
plug J2 pins 38 & 40 on the CPU
Board.
17
Driver Board
CPU Board
J3
J2

Diagnostic
LED
Sevcon Motor
Controller U2
Logic Side
of Sevcon
Motor Controller
18

Main Power
Contactor PA1-RA1
Power On Relay
PA1-RL1
Inline Battery Fuse
PA1-FS3
Power System
19
Inline Fuse Power
on Relay PA1-FS2

Battery Charger
20