EKKO EB20E Manuale utente

The Specification

EB20E Serial Full Powered Walkie Stacker

Note: Before using must read this manual and the various warning label!

EKKO Material Handling Equipment Manufacturing, Inc

Contents

1.The General Introduction ................................................................................................................ 2

2.Proper usage..................................................................................................................................... 2

Modification............................................................................................................................................... 3

3.Introduction of the product............................................................................................................. 3

3.1 Model Overview .................................................................................................................................. 4

3.2 Model.................................................................................................................................................... 4

4.Operating principle.......................................................................................................................... 5

Operating mechanism diagram:.................................................................................................................. 6

5.Operating principle.......................................................................................................................... 6

5.1 Running system................................................................................................................................... 7

5.2 Steering system ................................................................................................................................... 7

5.3 Braking system.................................................................................................................................... 7

5.4 Operating System ................................................................................................................................ 8

5.5 Electric System .................................................................................................................................... 8

5.6 Hydraulic principle ............................................................................................................................. 9

6.Electrical schematic diagram .......................................................................................................... 9

7.Hydraulic Principle Diagram......................................................................................................... 10

8.Operating instruction .................................................................................................................... 11

8.1 Start, run and parking:...................................................................................................................... 11

8.2 The usage of emergency safety switch ............................................................................................ 12

8.3 The usage of horn button.................................................................................................................. 12

8.4 Battery capacity indicator ................................................................................................................ 12

8.5 Handling stacking operation ............................................................................................................ 12

9.Maintenance ................................................................................................................................... 13

9.1 Safety procedures for repair and maintenance .............................................................................. 13

9.2 Daily Maintenance............................................................................................................................. 14

9.3 Professional Maintenance Manual................................................................................................... 14

9.4 Maintenance, Recharging and Replacement of the accumulator .................................................. 16

10.Safety Precautions........................................................................................................................ 19

10.1 general rules.................................................................................................................................... 19

10.2 Transportation and storage ........................................................................................................... 19

10.3 Check before Using ......................................................................................................................... 20

10.4 Safe Operation ................................................................................................................................. 20

11.Repair Manual .............................................................................................................................. 22

11.1 Malfunction analysis ....................................................................................................................... 22

11.2 preparation work before repair .................................................................................................... 22

11.3 check the oil content of hydraulic oil ............................................................................................ 23

11.4 preparation work before use after maintenance ......................................................................... 23

1.The General Introduction

EB18E ,this stacker is equipped with a wide view lifting system, a new dc controller and other advanced

structures, and a high quality motor, traction battery and a high-power pump station motor. It has the characteristics

of superior performance, convenient operation, wide vision, flexible steering, reliable braking, good power

performance, less noise, no pollution, good appearance and so on.

This stacker is suitable for working on the smooth ground in warehouse, if not, please don’t use it.

The service environment：

a. temperature: -10℃~ +40℃；

b. the gradient less than 3%；

c. when environment temperature at +40℃, the relative humidity should be less than 50%，At low

temperature，higher humidity is allowed;

d. ground should be hard and flat;

e. It is forbidden to use this car in corrosive environment such as flammable and explosive or acid base.

2.Proper usage

Please use the electric stacker accord to this specification.

This is a walkie type electric pallet truck with autonomous control, lifting and lowering is controlled by the

handle button. Improper use can cause personal injury or machine damage. Operators or operating companies need

to ensure proper using,

The Truck needs to be used on a firm, flat, intact surface and suitable surface, the truck is designed for indoor

use at room temperature from-10°C to +40°C

Use under light load without using permanent barriers or pits, It is forbidden to operate on the slopes.

Lifting or Carrying people is strictly prohibited.

It is prohibited to use this truck on lifting or loading ramps。

The rated capacity is marked on the capacity label or nameplate. And the operator must pay attention to the

warming signs and safety instructions

Operating lighting must be at least 50LUX.

Modification

Any modification that may affect the truck rated capacity, stability, or safety operations must be approved in advance

by the Truck’s original manufacturer or Its authorized Manufacturer or its successor. This includes the effects of

changes such as Braking, steering, Visibility, and the addition of removable accessories.

After the manufacturer or its successor approves the modification or change, The capacity name plate, Label,

identification marks, operation and maintenance manual must be changed accordingly

3.Introduction of the product

3.1 Model Overview

This specification is for EB18E series 4000LBS walkie type full powered walkie stacker（follow as stacker）。

3.2Model

Mode

EB18E

Load Capacity

(lb)

4400

The max. Lifting height

(in)

138

Load center distance

(in)

Fork length

(in)

45.3

Single fork width

(in)

4.7

Overall fork height

(in)

9.8-31.5

Lowered fork height

(in)

Fixed leg length

(in)

Adjustable legs

(in)

45.5-59.1

Turning radius

(in)

Overall length

(in)

Max overall width

(in)

Extended mast height

(in)

154

Lowered mast height

(in)

91.3

Battery voltage

V/ah

2*12/150

The charger

V/A

24/20

Lifting motor

V/Km

3kw.Lift speed,

laden/unladen:92/136mm/s;

Lowering speed,

laden/unladen:112/98mm/s

Driving motor

1.5kw.

Driving speed:

laden/unladen:4.0/4.2km/h

Service weight

(in)

2100

4.Operating principle

With battery as power producer and controlled by electrical and hydraulic, trucks can do some actions like walking, turning,

pallet fork lift, etc.

Operating mechanism diagram:

1.Switch for lifting and lowering 2.Switch for driving 3.Belly switch 4.Horn

5.Coulombmeter

5.Operating principle

5.1Running system

The truck is powered by a battery, which is realized by controlling the AC motor on the drive wheel. The speed of walking

is realized by frequency conversion control motor speed, which is controlled by the accelerator.

Gear box in the factory has been posited with enough gear lubricating oil. And please change the gear lubricating oil every

1000 hours under normal circumstances.

If you hear abnormal sound from gear box when using, please stop and check immediately. If there are bearing failure or

some problems in gear, please replace and repair them.

5.2 Steering system

The operating handle drives the rotation direction sensor which can send out the turn signals that makes the truck turn

around.

5.3 Braking system

Braking performance depends on road conditions and vehicle load conditions。

5.3.1 The brake function can be activated by the following way：

A:Move the Fahrschalter（2）to position‘0’,The vehicle brake until it stops.

B:Move the travel switch directly to the opposite direction, vehicle regenerative braking until it began in the

opposite direction.

C:Vehicle braking, if the handle is moved up and down to the braking area (" B "). If the release handle, the handle

automatically moves to the braking area (" B ") vehicle brake until it stops.

D:Belly switch （3）Can prevent the operator will be squeezed, if the button to activate, behind the vehicle to slow

down or start to (' Bw) driven a short distance, then stop. If the handle is in operation area and vehicles is not driving,

please consider this button to throw this situation.

5.3.2Brake operating principle

As shown in the following figure, the brake consists of magnetic yoke assembly 6, excitation coil 7, spring 2, brake

disc 5, armature 1, gear sleeve 4, installation screw 3, etc. The brake is mounted on the end cover of the motor and

the mounting screw is adjusted to the specified air gap value. The gear sleeve is fixed on the shaft, its outer tooth and

the inner tooth of the brake disc cooperate, when the torque is transferred, the brake disc can move axially on the

gear sleeve.

When the actuator coil 7 is energized, the coil produces a magnetic field that causes armature 1 to draw toward the

magnet yoke assembly 6 and armature 1 to detach (release) from the brake disc 5. At this time motor drive shaft

with brake disc 5 start and operate normally. When coil 7 is cut off, the magnetic flux disappears, armature 1 is

released, and spring 2 presses armature 1, and compresses the friction plate on the brake disc, generating friction

force to achieve the purpose of braking.

5.4 Operating System

The main working part of truck is fork, which are used to carry the pallet or cargo for transport and short distance

transportation. The expansion of the cylinder is realized by the control of the operating handle, and the pressure oil

is provided by the pumping station.

5.5 Electric System

The electrical system includes walking and operation control. The truck use AC electric control assembly. The

meter has a battery indicator. When the battery power is too low, the electric meter will cut off the starting control

line of the oil pump motor. The moving truck can only walk without lifting the fork, and the prompt should be

charged immediately. The motor of oil pump is the dc motor for 5 minutes, so the pump motor is not suitable for

long running. That is, the lifting movement should have time interval, cannot continuously carry on, otherwise would

make the motor heating, even burn.

Special note: when the truck is used for a long time, the starter of the oil pump motor may fail, and it can't be

broken after being sucked or closed. The latter is not throw control handle, the oil pump motor is kept in the rotation,

should immediately stop at this moment, to cut off the power supply (unplug battery plug-in), make the oil pump

motor stop running, and promptly replace the starter.

5.6 Hydraulic principle

The oil pump motor drives the gear pump to provide hydraulic power, lifting oil cylinder is responsible of fork’s

lifting and lowering, The control of the lift oil road is controlled by the buttons on the operating handle, The lifting

action is controlled by a single action oil circuit on the valve block. This model of the hydraulic system pressure can

only be adjusted on the valve block, has been debugging good, before they go out after they leave the our company

after-sales personnel or professional maintenance personnel are strictly forbidden to adjust themselves, so as to

avoid safety accident.

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