Elephant YA-80 Manuale utente

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This manual should be surely handed over to the users.

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The users of the chain lever hoist should thoroughly read this manual.

No.1

●

Thank you for your purchasing of our product (YA series).

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It is quite important that you carefully read this operation manual before using

the chain lever hoist.

●

This manual should be kept close to the chain lever hoist, as the maintenance

and inspection works absolutely require it.

●

Please consult distributors of our firm's products about the inspection requiring

dismantling and assembling of the unit.

CHAIN LEVER HOIST

MODEL YA-80,YA-100,YA-160

YA-320,YA-630,YA-900

(ONE TOUCH FREE SPOOLING MECHANISM)

OPERATION MANUAL

ELEPHANT CHAIN BLOCK CO., LTD.

Elephant Lifting Products | http://www.elephantlifting.com

SAFE OPERATING PRACTICES

Improper operation of the chain lever hoist will possibly cause dangerous

situation such as falling of lifted loads, electric shock and so on. Carefully read

this manual for proper operation before setting-up, installation, operation,

maintenance and inspection of the chain lever hoist.

Do not begin to operate it before you have got familiar with its knowledge,

safety information and all the special cares.

The cautions in handling the unit are classified into two levels in this manual;

This symbol is used to indicate that a death or serious

injuries will be caused in all probability to the user or persons

around when the products are improperly used.

This symbol is used to indicate that damage may be

caused to the user or persons around or only material

loss will occur when the products are improperly used.

Even the matters indicated “ “ may bring a serious result depending on the

situation. Strictly observe both the notices as they contain very important matters.

Examples of the symbol:

△

mark indicates that there are warning/cautious matters. In a sketch a concrete

warning (“caution for falling of lifted loads” in case of the symbol

on the left) is described.

mark indicates actions to be prohibited, in a sketch or nearby a concrete

warning is described.

mark indicates that any action will be required or directed. In a sketch

a concrete warning (“general duties for the operator” in the case of the symbol on

the left) is described.

※

The manual must be kept in place where the operator can read it whenever he needs.

1. General

● The unit should be operated only by those who are familiar with the

manual and contents of the instructing labels.

● Never lift a load which exceeds the rated load.

● Do not stay under a suspended load. Do not operate the chain lever hoist

when somebody stays in an area where a suspended load is moved. Do not

move a load over persons.

● Do not use a chain lever hoist which was damaged or causes abnormal sound

and/or vibration.

● Do not use a chain lever hoist with twisted, kinked, damaged, severely worn,

deformed, or elongated load chains.

● Never manipulate the operation handle by connecting a pipe and the like to it

or by foot.

● Never make modifications to the chain lever hoist and its accessories.

WARNING

CAUTION

WARNING

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2. Installation and Setting-up

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Inspection before operation and periodic inspection must be by all means

carried out.

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The installation work should be performed only by the specialized

contractors or experienced technicians.

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Make sure that a location on which the chain lever hoist is installed has a

sufficient strength.

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Fix loads firmly on the bed of truck by the chain lever hoist and observe the

relating laws and regulations in your country on driving along a load.

●

The chain lever hoist should not be installed in places deviated from

the provision where it is, for example, exposed to rain or water.

3. Operation and Handling

● Do not get on a suspended load and do not use the chain lever hoist

to lift, support or transport persons.

● Do not allow your attention to be diverted from operating the chain lever

hoist.

● Do not use the chain lever hoist for the earth lifting (for example, lifting objects

fixed under the ground).

● Turnover of a suspended load should be done only by the experienced operator.

● Make sure before operation that the lever properly functions. Do not operate

the chain lever hoist when the lever is in disorder.

● Make sure before operating the chain lever hoist that the brake properly functions.

Do not operate the chain lever hoist when the brake is in disorder.

● Do not make electric welding on a suspended load.

● Do not allow the load chain to be used as a ground for welding.

● Do not allow the load chain to be touched by a live welding electrode.

WARNING

CAUTION

WARNING

Elephant Lifting Products | http://www.elephantlifting.com

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Do not use the chain lever hoist with a damaged safety latch of the hook.

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Do not use the chain lever hoist with name plates and labels attached

to the body removed or left unclear.

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Operate the chain lever hoist only by means of a manual pulling force (of

the operator).

●

Do not throw away or drag the chain lever hoist.

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Stop lifting once when the load chain is properly tensed.

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In lifting a load with two chain lever hoists, select a chain lever hoist of

which rated load exceeds the load to be lifted.

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Always keep the hoist body and the load chain clean so that dust,

sands and the like will not be deposited on them.

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Make sure that the range of lift of the chain lever hoist is sufficient for the

intended work.

4. Maintenance and Inspection

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Never use parts other than genuine ones made by us.

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Never do shortening or lengthening of the load chain.

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Only specialists authorized by the employer may carry out the

maintenance, inspection or repair.

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Carry out the maintenance, inspection or repair with the chain lever

hoist unloaded (e.g. without loads).

●

When any disorder is found in the maintenance or inspection, immediately

make repair before re-operating the chain lever hoist.

● Whenever carrying out the maintenance, inspection or repair, prepare

a warning indication for “Under working” (“Under Inspection”, etc.).

Notice:

Inspections requiring dismantling and assembling of the unit should be carried

out only by dealers of our products.

CAUTION

WARNING

CAUTION

Elephant Lifting Products | http://www.elephantlifting.com

UP N

NEUTRAL

Feed handle

DOWN

Selector lever

Top hook

Operation handle

Load chain on

load side

Load chain on

unload side

MOUNTING AND OPERATION

● The unit should be operated by persons only who have fully understood

the manual and instructing labels on the unit.

FREE SPOOLING MANIPULATION

1. Adjustment of length of load chain

1.1 How to operate free spooling device

When you adjust the length of load chain,

Manipulate free spooling device by following

procedure and photographs.

1.2 Procedure for free spooling

1.3 Procedure for release of free spooling

● If the load chain is loose and lifting is impossible, manipulate the operation handle

while gently holding it. T

he load chain will be tightened.

2. Making use of the one touch free spooling

●

Set the selector lever to "N" position and pull the load chain to unloaded side

WARNING

1) Set the selector lever to

“N” position. 2) Turn the feed handle half-

turn

counterclockwise. Then, free

spooling will be available

automatically.

3) You can adjust the length of

load chain by pulling it. 4) Set the selector lever to

“UP” position.

5) Hold down the feed handle

softly

and manipulate the operation

handle to pull the bottom hook.

Elephant Lifting Products | http://www.elephantlifting.com

first slowly. Then, pull the load chain to loaded side slowly. Free spooling will

be available automatically.

● Notice on adjusting

the load chain length:

a) Free spooling manipulation will be impossible when the unit is used in such

a manner as the load chain is given impact.

b) Free spooling manipulation will be also impossible when the brake is

actuated.

c) When the unit is in such states as above paras.a) and b), set the selector

lever to the “DOWN” position and manipulate the operation handle and the

free spooling after the brake is released.

2. Making use of the feed handle

To tighten the load chain which is a little loose, set the selector lever to the

“UP” position to turn the feed handle clockwise. By this manipulation, the load

chain will be quickly tensed.

CAUTION ON CO-HOISTING BY MORE THAN

2 SETS OF CHAIN LEVER HOISTS

● Co-hoisting by more than 2 sets of chain lever hoists may be very risky

depending on installing and using them.

※

Pay attention to balancing of a load as stated below;

● When a combination of 2 lever hoists with different capacities is used, make

sure that the hoist with a smaller capacity is not severely loaded.

● When a load is lifted parallel by a number of chain lever hoists, make

sure that the load is not unevenly carried by them.

● When a number of chain lever hoists are used in a lengthwise row, select

hoists with an equal rated load.

※

A combination of hoists with different capacities will be very risky when a hoist

with bigger capacity is operated.

● Use wire ropes, clips, shackles, fitting pieces etc. which are sufficiently strong

for slinging the top and bottom hooks of the chain lever hoist.

● When it is used as an additional hoist for a big crane, select a chain lever hoist

with a bigger capacity than the actual load. Furthermore, do not operate the

crane in a manner of so-called earth-lifting. Otherwise, the chain lever hoist

will be damaged.

● When a number of chain lever hoists are used or one is used in combination

with other machines, do not overload the chain lever hoist. Use the chain lever

hoist in a well balanced condition, making sure the safety.

CAUTION

Elephant Lifting Products | http://www.elephantlifting.com

INSTALLATION

1. Installation of the hoist unit

● The support structure on which the hoist unit is installed is to bear loads

more than 4 times the rated load.

※

It is very dangerous to use a support of which strength is not sufficient,

as it may be damaged due to the load. In case that the chain lever hoist is

used as an auxiliary device for a crane, its safety factor should be 5.

Make sure when setting the unit that a support can surely bear the load and set the

unit such that the top and bottom hooks is in line with each other.

PROPER HANDLING AND CAUTIONS

● Inspect all the tools to be used on the day before use. Wrong slinging

may cause quite dangerous situations.

(1) Do not allow such slinging ways as shown below, which are very

dangerous.

WARNING

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(2) Do not wind the load chain around the load.

※

The strength of load chain and bottom hook

may be reduced, causing danger.

Do not hook the load chain to the hooks or

the like of vehicles; the chain strength may

be reduced to 1/3 to 1/5.

(3) Before applying load in winding-up operation, remove the tension of load

chain.

2. Lifting and lowering

To lift, set the selector lever to the UP position, and move the operation handle

forward and backward so that the bottom hook will be lifted.

Checking the brake

In no-load state the winding-up is possible by turning the feed handle. If the load

increases to such an extent that the feed handle can be hardly turned by hand, set

the selector lever to the DOWN position after winding up by approx. 1/2 turn

of the operation handle, and then turn the handle inversely by approx. 30°.

Check that the brake operates properly. Ascertain that the load does not fall down

even when your hand is released from the handle.

To lower the bottom hook, set the selector lever to the DOWN position, and move

the operation handle forward and backward. If the handle can be hardly operated

at first, jog the handle. After that, the handle operation will be easier.

● If load chain does not move when you lift up and down no load or light load

by operating the handle, please operate it while pulling the load chain

lightly on load side. It is not malfunction.

CAUTION

Elephant Lifting Products | http://www.elephantlifting.com

CAUTIONS DURING OPERATION

1. Dangerous operation

● Never apply a load beyond the rated load to the unit (over-loading).

● Do not perform over-lifting or over-lowering.

● Do not give a shock to the chain lever hoist.

● Do not get on a load to be lifted and do not allow anybody to stay under a load

lifted.

● Do not use a chain lever hoist which is not in order.

● Do not use the chain lever hoist in incorrect manners as shown below, which

are quite dangerous.

1) Never overload.

a) The load can be normally wound up or moved

merely by operating the handle by one hand.

b) Do not attach a pipe or the like to the operation

handle for lengthening it.

c) If excessive force is required to hoist or pull the

load, stop the operation at once. The load may

exceed the rated load, causing overload, or the

unit is over-lifted or over-lowered.

2) Avoid excessive lifting and lowering.

Winding-up the bottom hook beyond the

limit is referred to as “over-lifting” and

winding-down beyond the limit is “over-

lowering”. These operations may damage

the chain lever hoist. Do not attempt such

operation in any circumstances.

WARNING

Elephant Lifting Products | http://www.elephantlifting.com

3) Avoid shocks.

Do not allow the chain lever hoist to absorb any

shock caused by dropping a load even when drop

height is insignificant. If the shock is intensive, it may

cause a serious danger even when the load is light.

4) Do not mount or stand under any lifted load.

5) The grip made from rubber may be pulled out.

The rubber may be deteriorated depending on conditions

used and thus be easily pulled out of the handle.

Never suspend yourself from the handle, giving your full

weight to the unit.

6) Others

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In no cases, use a defective chain lever hoist.

●

Always handle the chain lever hoist with care.

Never throw it down from any height.

MAINTENANCE AND INSPECTION

DAILY INSPECTION

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For daily operation, be sure to carry out the following checks prior to operation.

●

When any abnormality is found, stop operating the chain lever hoist and take

proper counter-measures in accordance with “the measures when

abnormalities are found”.

●

When a trouble cannot be solved, contact dealers of our products.

※

Do not make continuous running under abnormal conditions, as it is very

dangerous and may lead to a severe accident.

Elephant Lifting Products | http://www.elephantlifting.com

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