EVERDIGM EPG05 Manuel

OPERATION &

MAINTENANCE MANUAL

Multi Purpose Grab

Document No.: MSAGUS.0005 Revision Date: 2014-09-23

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FOREWORD

WARNING!

It is very important for you to read and understand this manual before operating and to keep

the instructions provided herewith. Never fail to follow the instruction related to safety.

This manual contains instructions and information on safe and correct use of EVERDIGM Grabs.

Please read and understand this manual before operation, inspections and maintenance of the grab

Keep this manual with your equipment all the time for your quick and easy reference, and read it regularly.

Do not operate the grab until you have been trained in the use of all operating controls and understand

the hydraulic grab operation

Get a replacement manual from EVERDIGM dealer if you lost it.

If you transfer the grab to the other, do transfer this manual as well.

The figures in this manual is for better understanding and may not correspond exactly to the grab. For

exact shape, refer to the parts list or ask EVERDIGM.

For the purpose of constant product improvement, some parts of this manual may be changed. If you

found the parts unclear or not corresponding to the grab, call and consult EVERDIGM dealer or service

center

Important information on safety is described in the safety information chapter of this book. Be familiarized

with the instructions on the safe operation and observe the instructions before and during operation

Injury, death or damage caused by unauthorized product modifications and operation under unallowed

application will not be responsible by EVERDIGM. Consult EVERDIGM for such modifications and

applications.

Use EVERDIGM genuine parts. EVERDIGM takes no responsibility for damages caused by use of non-

EVERDIGM spare parts.

For warranty, we refer you to the warranty conditions provided separately.

We always exert all our efforts for your satisfaction, and promise you quick and constant service.

We thank you for using EVERDIGM grab and wish you a good luck in every your job,

Sep. 2014

EVERDIGM.

It is positively prohibited to use or reproduce its contents in whole or in part without prior written permission.

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TABLE OF CONTENTS

FOREWORD ........................................................................................................................................... 2

1. Safety Information ............................................................................................................................... 4

1.1. Basic safety information.............................................................................................................. 5

1.2. Preparation for safe operation .................................................................................................... 6

1.3. Safety information for operating the grab ................................................................................... 7

1.4. Safety information for maintenance of the grab.......................................................................... 8

2. Configuration and ordering information............................................................................................. 10

2.1. Main components...................................................................................................................... 10

2.2. Option components................................................................................................................... 10

2.3. Mounting dimension for the adapter plate .................................................................................11

3. Technical specifications..................................................................................................................... 12

4. Markings and labels .......................................................................................................................... 13

5. Installation ......................................................................................................................................... 15

5.1. Lifting the grab .......................................................................................................................... 15

5.2. Requirements on the carrier ..................................................................................................... 15

5.3. Installation of hydraulic piping on the carrier ............................................................................ 17

5.4. Mounting the hydraulic grab...................................................................................................... 18

5.5. Adjustment of the rotation device.............................................................................................. 20

6. Operating the grab ............................................................................................................................ 22

6.1. Preparation for safe and correct operation ............................................................................... 22

6.2. Greasing.................................................................................................................................... 22

6.3. Operation .................................................................................................................................. 23

7. Inspection and Maintenance ............................................................................................................. 29

7.1. General information .................................................................................................................. 29

7.2. Maintenance intervals............................................................................................................... 30

7.3. Tightening torques .................................................................................................................... 31

7.4. Hydraulic oil............................................................................................................................... 32

8. Dismounting and Storing the grab..................................................................................................... 34

9. Trouble shooting................................................................................................................................ 35

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1. Safety Information

This manual describes correct use of the product and safety messages. Important or certain instructions in

this manual are marked with symbol. When you see this symbol provided in the manual or on the

product, be alert to the possibility of personal injury or death. Be sure to observe the instruction in the safety

message.

The safety messages in this manual do not describe all the possibilities of personal injury or death or of

damages to the product. This safety manual and the marks with symbols are intended to provide some of

basic instructions for safe operation, inspection and maintenance. It is operator‟s responsibility to observe

the safety instructions and regulations though this manual does not include all the possible situations.

Remember! Safety is up to you

Safety Alert Symbol

The SafetyAlert Symbol represents that ATTENTION is involved.

If you see the mark in this manual or on the products, never fail to read and

observe the instructions for safe operation.

Signal Words

The words “DANGER”, “WARNING”, “CAUTION”and “IMPORTANT”appeared with the above Safety Alert

Symbol indicate degree of risk of hazards or unsafe practices. All four degrees of risk indicate that safety is

involved. Observe precautions indicated whenever you see the Safety Alert Symbol, no matter which signal

word appears next to the “Exclamation Point”symbol.

DANGER!

Indicates imminent hazard of a situation that, if not avoided, is very likely to cause

death or extremely serious injury. It may also be used to alert against product that

may exploded or detonate if handled or treated carelessly.

WARNING!

Indicates potential of a hazardous situation that, if not avoided, could result in serious

injury or death. It may also be used to alert against a highly unsafe practice.

CAUTION!

Indicates potential of a hazardous situation that, if not avoided, could result in minor

or moderate injury. It may also be used to alert against a general unsafe practice.

IMPORTANT!

Indicates potential of damages that, if not avoided, could caused to the product or

shorten the product life.

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1.1. Basic safety information

WARNING!

The following instructions are those that should never be fail to observe in operation of

construction equipment.

Know yourself

All the operators and service men must wear safety equipment required,

hearing protection, respirator, hard hat, safety shoes, eye protection

glass, heavy gloves and other necessary equipment. Wearing loose

clothing or any accessories such as flopping cuffs, dangling neckties and

scarves, untied shoe-laces, rings, wrist watches and long hair could be

the cause of personal injury or death.

Use the proper tools for inspection or maintenance work, which must be

carried out after ensuring the equipment stops completely and is placed

stably in the safe place

Figure 1

Know your equipments

Never fail to read and understand the safety messages, operation

manual and maintenance manual before installation and operation of the

grab. The operator who has been trained and licensed should only

operate the carrier and the grab. Familiarize yourself with the operating

especially safety related devices such as safety lock, emergency stop

and the others.

Figure 2

Know the work site

Before beginning operation, check in and around the work site for any

unusual conditions that could be dangerous and prepare the appropriate

warnings for safe work.

Be careful, especially when work in the vicinity of electric power line,

buried gas lines or oil tank. And pay your careful attention to the people

and the cars reside and passing near to the work site. Prepare for every

possible injury and damages.

Figure 3

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Know the rules

Every people who operate or maintain the equipment should know the

meaning, rules and laws in terms of equipment handling. They should

know also the traffic rules, fire service act, emergency measures and

where the relief equipment is.

Keep the fire extinguisher and the first-aid case in the operator‟s cabin

for emergency use.

Figure 4

1.2. Preparation for safe operation

WARNING!

Read and observe the following instructions on safety.

Install the grab on the suitable carrier

The suitable carrier must be selected taking the weight and hydraulic system of the grab into consideration.

The carrier may fall over if the grab is installed on the carrier, which does not fit the grab. All hydraulic lines

for the grab use must satisfy the specification and quality provided in page 15, “5.2. Requirements on the

carrier“.

Protect the operator from the flying splinters

To protect the operator from the heavy concrete elements falling down when the grab is working on the tall

columns, supports and brick, the carrier should be equipped with the cab protector strong enough for the

falling elements. For more information on the cab protector, please consult carrier manufacturer or

EVERDIGM dealer.

Safety instructions on the grab installation

When insert the mounting pin to install the grab on the carrier, the pin holes in the carrier‟s arm must be flush

with those in the mounting adapter of the grab. For this job, an carrier operator and an assistant should be

careful and agree on the hand signals beforehand. Your finger or hand must not used to check whether the

holes are flush. Once the mounting pins are inserted, lock the pins so that they are not taken off.

If quick coupler is used, be sure clamping is completed. When you connect the hose, tighten the connectors

with prescribed torques.

And make sure of complete connection when you open the stop valve. It may cause personal injury if the

incorrectly connected hose is pressurized. When connecting the hose, be careful not to have the o-ring

damaged or missed, and keep all the connectors clean.

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Check the grab and carrier

Please check every necessary parts of the grab and the

carrier before starting operation. Referring to check points in

the manuals of the grab and carrier, check any damages,

breakage, crack, wear, deformation, connections, oil leak

and the safety related points.

For the grab, check carefully crack in the welded parts of

grab body, bolt and nut, pin, oil leak on the cylinder and

hose. Do not operate in case any damages or failure is

found until it is fixed. In case such trouble is found, put the

warning tag in the driver cab. It is good to let the same

person remove the tag after trouble shooting. (Figure 5)

Figure 5

Check safety in work site

Check if the building has a sufficient load capacity to bear the weight of the carrier in case it is necessary to

work on the roof or ceiling of the building.

1.3. Safety information for operating the grab

WARNING!

The following instructions are on safety in operation with grab. Read, understand and observe

the instructions. More information is provided in page 23, “6.3. Operation”.

Never operate in unallowed applications

Operation in applications not allowed by the manufacturer must not be carried out. Refer to page 23, “6.3.

Operation”for such applications.

Operate from the top downwards

Heavy broken concrete elements may fall down and damage the hydraulic grab and the carrier, therefore,

columns and supports must be broken from the top downwards.

Never use for hammering or ramming

Hammering or ramming with the grab may cause serious damage to the grab.

Prepare a escape for the carrier

Never fail to prepare a escape for the carrier for emergency. The direction needs to be opposite to the object

of crushing and it should be straight way.

Stop operation on finding uncertainties

Never fail to stop the operation if an uncertain noise or vibration is detected during the operation and check

the condition of the carrier and the grab.

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Pay attention during operation

Do not read, do not listen to music, do not talk over the cell phone during the operation. Do not operate the

grab as well as the carrier carelessly.

1.4. Safety information for maintenance of the grab

Follow the manual

Follow the instructions described in the manual when performing

maintenance work on the grab. Pay your careful attention to all relevant

safety regulations. Do not hurry. Most of accidents occur when the

instructions are not observed.

Use proper tools

The proper tools should be used for the maintenance work. Use of

improper tools may cause personal injury or damage to the parts of the

grab. Wear the eye protective glasses especially when removing and

replacing the cutter blades because the metal chips may fly off and

cause injury if they are struck with a hand hammer made of steel.

Figure 6

Use only the lug provided and sufficiently powerful lifting equipment when lifting the grab. Lug and ropes

must be in good condition.

Ensure that the grab and carrier stop completely

Maintenance work should be performed with the grab completely closed. Make sure to shut-off the stop valve

of the hydraulic line for the grab or to use a support to sustain the opened grab if maintenance work should

be carried out with the grab opened.

Place the carrier on the firm and flat ground with all the control levers or switches in a safe position.

Pay attention to hot oil and high pressure in hydraulic system

Special attention is required when performing maintenance of hydraulic

system. Never disassemble the grab as soon as the grab has been

stopped because the hydraulic system is still in high pressure. Follow the

instructions and release the residual pressure in the system. Pressure

may remain in the speed up valve, and it may be burst if it is

disassembled with the pressure inside.

Oil running out from the crack or small hole on hydraulic system may

cause personal injury. The hydraulic oil becomes very hot. And

compressed air in the oil tank may cause oil spouting when

disconnecting the line. Bleed off the compressed air by opening slowly

the filer cap of the oil tank.

Figure 7

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Wet ground may be slippery

The oil wet on the ground may be very slippery. Collect any oil and dispose it correctly.

Do not alter or modify

Unauthorized alteration or modification of the grab shall not be guaranteed by EVERDIGM.

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2. Configuration and ordering information

2.1. Main components

MA/MB : Open & Close Grab

RA/RB : Rotation

Port (MB)

Port (RB)

Cylinder

Main Frame Ass'y

Blade

Grab

Main Frame

Mounting Frame Body

Slewing Bearing

Slewing Motor,

Motor Control Block

Rotary Joint

Mounting Frame Ass'y

Port (RA)

Port (MA)

Link

Figure 8

The followings are to be supplied as standard parts :

Grab ass‟y

Standard tool kit

Operation manual

Parts list

Standard accessories

(fittings, hoses, etc)

2.2. Option components

The following parts are to be supplied as option only

Standard mounting adapter 1) (can be installed on most popular carriers)

Mounting pin & bush set 1)

Special tools for cylinder maintenance

Piping kit 2) (including the hydraulic rotation circuit)

Bolt and nut set for assembly of blades

Bolt and nut set for assembly of cover plates

Notes :

1) Installation must be confirmed whether it is possible in accordance with the carrier dimension.

Consult it with EVERDIGM dealer.

2) Refer to page 17, “5.3. Installation of hydraulic piping on the carrier“for more information

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