Planeta EHW-60 User manual

INSTRUCTION MANUAL
AIR HOIST
EHW-60
EHW-60R
EHW-120
EHW-120R
02-04-04-0001-0516-00-BA-ENG-PLA

CONTENTS
1. Safety lnstructions ......................................................................................1
2.
Specification s ………………………………………………………………………………………… 5
3. Checks and lnstructionsbefore Installation
...................................................................... 5
3.1 Checks of the Product ........................................................................................................................................ 5
3.2 lnstructions on Warking Condition s… ....................................................................... 5
4. Installation …………………………………………………………………………….. 6
4.1 Installation ....................................................................................................... 6
4.2 Before AirConnection ………………………………………………………………… 6
5. Checksafter Installationand Test Run
........................................................................... 7
5.
1
Check of Hoisting Operation................................................................................. 7
5 .
2
Check of the PreventiveDevice against Reverse Winding (Overlowering Limit Switch) ... 7
5 .
3
Check of the LiftingHeight ................................................................................ 8
5 .
4
Load Test ·····································································································8
6. Checks before Operation - At the beginning of each shift …………………………………………….9
6. 1 Check before Start up ………………………………………………………………………..
9
6. 2 Check by ldling Operation .................................................................................................
9
6. 3 Check by Load Operation …………………………………………………………………………… . 9
7. Periodic lnspections ……………………………………………………………………………………………. 10
8. Maintenance and lnspection …………………………………………………………………… 11
8. 1 Lubrication……………………………………………………………………………………………….11
8. 2 lnspection ……………………………………………………………………………………………………….
12
8. 3 Storing the Hoist ………………………………………………………………………..16
8. 4
Troubleshooting …………………………………………………………………………….. 17
9. Brake
Adjustment……………………………………………………………………………………. 18
10. Disassembly and Reassembly ………………………………………………………………………….18
10. 1
Proceduresof Disassembly …………………………………………………………………. 19
10. 2 Reassembly ……………………………………………………………………..
20
11. Parts List ……………………………………………………………………………… 26
• Disassembly Drawing of EHW-60 and EHW-120 ······················································ 28
• Disassembly Drawing of EHW-60R and EHW-120R ................................................... 30

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1. Safety lnstructions
lf the hoist is not used correctly, a serious accident may occur, such as dropping the Ioad.
For correct use, carefully read this manual before installation, operation, maintenance or
inspection.
Have full knowledge of equipments, safety information and instructions before using the hoist.
* After reading, keep this manual where hoist users can access easily.
1. 1 General lnstructions
WARNING
• Never use the hoist for Iifting or lowering people.
Never Iift a Ioad near people nor carry a Ioad over people.
• Before installing, operating,maintaining or inspecting the hoist, carefully read and
understand all of the instructions in this manual in order to avoid accidents as a
consequence of incorrect handling.
• Keep this manual available for all of the people who will install, operate or maintain
the hoist.
• Always check the supporting member from which the hoist is suspended is strong
enough to support the weight of the hoist plus the weight of the rated Ioad, etc.
The customer has the responsibility for this.
1. 2 lnstructions for Safe Operation
lf there is any conflict between the instructions in this manual and safety rules of your company,
give priority to ones which are more strict than others.
1. 2.1 General Handling
WARNING
• Never operate the hoist unless the contents of this manual and caution plate (warning
Iabei) are completely known.
• Never operate the hoist nor sling a Ioad unless you were trained in safety rules andin
operating manner of the hoist. Never allow untrained persons to do so.
• Never remove or deface any name plates, caution plates or warning Iabeis which are
attached to the hoist.
• Always check the hoist before each shift, and inspect it periodically.
• Never operate the hoist if you are not physically fit to do so.
The operator must have good hearing, vision and depth perception.
• When any instruction signs put on the push button switches such as "EQUIPMENT
BEING INSPECTED" or "DO NOT RUN", never operate the hoist until the sign is
removed by the designated person.

-2-
1. 2.2 Installation
WARNING
• Always employ specialists or weil trained persons for installation.
• Never install the hoist in any environments which is out of specifications.
For example, the hoist should not be exposed to rain or water.
• Always install stoppers at the end of the rails for travelling or traversing.
• Always check the supporting member for the hoist has enough strength.
• Make the hoist able to swing freely by using the top hook or the fitting.
* Never fix the hoist.
CAUTION
Never operate the hoist when the hoist is placed on the floor.
* Never operate the hoist with the wire rope slackened. Only operate the hoist when
it is hanging.
1. 2. 3 Air Pressure
WARNING
Operate the hoist within a working air pressure range of 0.4""0.6 MP a {4"'-'6 kgf/cni,
60"'-'85psi} .
lf the air pressure is less than 0.4 MPa {4kgf/cni, 60psi}, the preventive device against
reverse winding (overlowering Iimit switch) will not work.
1. 2. 4 Operation and Handling
WARNING
• Never Iift a Ioad greater than the rated capacity of the hoist.
Therated Ioad is marked on the hoist body.
• Never stand on a suspended Ioad.
Never use the hoist for Iifting, lowering or transporting people.
• Always stand clear of the Ioad.
Never walk under a suspended Ioad, and keep out of its area of projection.
Never place hands, feet, etc., under or between suspended Ioads.
• Never operate the hoist when anyone is in the travelling area of the Ioad.
• Always check there are no objects in the way of the Ioad or the Ioad hook when moving
the hoist.
• Never carry a Ioad over people.
• Never leave a Ioad suspended for any extended period.
• Always pay attention to the Ioad at all times when operating the hoist.
• Never swing the Ioad or the Ioad hook when moving the hoist.
• Never use the preventive device against reverse winding (overlowering Iimit switch) as
a means of stopping the hoist. lt is for emergency stop only.
Always stop the hoist before the buffer spring collides with the hoist body.
lt is for emergency only.

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• Never pull a Ioad at an angle.
Never Iift a Ioad when the Ioad hook is not over the load's center of gravity.
* Always move the hoist over the load's center of gravity before Iifting.
• Never allow the wire rope to touch structures having a sharp edge.
• Never use the wire rope of the hoist as a sling.
• Never do earth Iifting (Iifting locked Ioads ) .
• Never turn over a suspended Ioad.
* Always employ special equipments in case of turn over work.
• Always check movement of the push button switches before operation.
Never operate the hoist if the push button switches do not move smoothly.
• Stop the hoist immediately when up I down operations are contrary to the indications
marked on the push button switches.
• Always check operation of the brake before using the hoist.
Never use the hoist if the brake dose not work weil.
• Never operate the hoist when damaged or abnormal sound I vibrationoccurs.
• Never operate the hoist with the wire rope in any of the following conditions:
CD Kinked, deformed or corroded.
® The number of broken wires or the reduction of diameter reaches the service Iimit.
• Never perform cutting work on a Ioad suspended by the hoist.
• Never perform electrowelding work on a Ioad suspended by the hoist.
• Never use the wire rope of the hoist as a ground for welding.
• Never attach a welding electrode to the wire rope of the hoist.
• Never Iift any single Ioad with 2 or more hoists.
• Never lock the push button switches.
*The hoist must be operated by the operator hirnself I herself at all times.
• When moving a Ioad with a plain trolley, never push the wire rope but push the Ioad
itself. Never pull the Ioad.
CAUTION
• Never use the hook with a damaged or malfunctioning hook latch.
• Always operate the hoist carefully during Iifting and lowering Operations.
Never start, stop or reverse the hoist suddenly.
• Never allow the suspended Ioad to touch the nearby structure or power lines, etc.
• Never jerk the hose of the push button switches nor catch it on the nearby structure.
• Never allow the hoist or trolley to collide with the 1-beam stopper or the structure.
• Always check the Ioad hook can swivel smoothly before operating the hoist.
• Always position the slings at the center of the Ioad hook.
• When starting to Iift, stop the hoist once as the wire rope becomes tensioned.
* Never jerk the hoist. Carefully take up the slackened wire rope.
• Always check the Ioad-Iifting height of the hoist is enough for required work.

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1. 2. 5 Maintenance, lnspection and Alterations
WARNING
• Never alter the hoist or its accessaries.
• Always use genuine parts for replacement.
• Always shut off the air supply before carrying out maintenance,inspection or repair.
• Always employ specialists or weil trained persons for maintenance,inspection and
repair.
• Always remove the Ioad from the hoist before maintenance, inspection or repair.
• Always disassemble the hoist on the floor.
• lf any problems are detected during maintenance or inspection, never use the hoist but
correct andrepair the problems immediately.
• Periodically, inspect the hoist thoroughly and replace any worn or damaged parts.
• Stretched, worn or damaged hooks should be discarded.
Never attempt to repair it, just replace it with a new hook.
e Always put up an instruction sign ( "EQUIPMENT BEING INSPECTED ", "DO NOT
OPENTHE VALVE", etc.) before carrying out maintenance,inspection or repair.
• Never do anything if you have any questions about the hoist, please do not hesitate to
contact your dealer or us.
CAUTION
• Follow the lubrication instructions.
• Never operate the hoist without lubricator and filter.
• Always hang the hoist when carrying out test run after maintenance or repair.
* Never operate the hoist with the wire rope slackened.

5-
2. Specifications
Model
Rated Ioad
kg
Lift
m
Airpressure
MPa lkgf/cm
2
f
Lifting
speed
m/min
Air
consumption
m
3
/min [normal]
Air
inlet
Mass
kg
EHW-60
60
1.9
0.4
l4f
18.5
0.55
R 3/8
9.2
0.5
l5f
22.5
0.7
0.6
l6f
26.0
0.88
EHW-60R
60
1.9
0.4
l4f
18.5
0.55
Re 3/8
9.5
0.5
l5f
22.5
0.7
0.6
l6f
26.0
0.88
EHW-120
120
1.9
0.4
l4f
11.0
0.59
R 3/8
9.4
0.5
l5f
13.5
0.75
0.6
l6f
16.0
0.93
EHW-120R
120
1.9
0.4
l4f
11.0
0.59
Re 3/8
9.7
0.5
l5f
13.5
0.75
0.6
l6f
16.0
0.93
Working conditions
Application area lndoor and normal atmospheric
conditions
Temperature range : -1 OO C to +500C
3. Checks and lnstructions before Installation
3 . 1 Checks of the Product
• Check the delivered hoist is what you ordered (check the name plate ) .
• Check there was no damage or deformation on the hoist during transportation.
• Check the pressure of the available air supply corresponds to the working air pressure of the
hoist.
3.2 lnstructions on Werking Conditions
WARNING
• Never use the hoist at a temperature below -100C or above +50°C,
CAUTION
• Do not install and leave the hoist outdoors.
lf it is necessary to use the hoist outdoors, always make a shelter with a roof for
housing the hoist.
• Under hostile environments such as high temperatures, high humidity, acidic, corrosive
and I or extremely dusty atmospheric conditions, the mechanical parts of the hoist may
be seriously damaged (for example, corroded).
Therefore, frequently check the hoist is maintained in normal conditions at all times.

-6
4. Installation
4.1 Installation
WARNING
Always check the supporting member from which the hoist is suspended is strong
enough to support the weight of the hoist plus the weight of the rated Ioad, etc.
The customer has the responsibility for this.
CAUTION
Only operate the hoist when it is hanging.
Never operate the hoist when the hoist is placed on the floor.
lf operated, irregular winding occurs, causing darnage to the wire rope.
Make certain the hoist is properly installed.
A little extra time and effort in doing so can contribute a Iot toward preventing accidents
and
helping you get the best service possible.
The supporting member for the hoist should have successfully passed an
inspection for the applicable safety standard.
• Check the top hook is correctly rigged onto the supporting member and the hook latch is
correctly closed.
• Never use a supporting memberthat suspends the hoist at an angle.
4.2 Before Air Connection
WARNING
The hoist is designed to operate within a working air pressure range of 0.4,......0.6 MPa
{4,......6kgf/cm, 60---BSpsi}.
• Always keep the working air pressure no greater than 0.6 MPa{6kgf/cm}.
lf necessary, use an air regulator for reducing air pressure.
• Always keep the working air pressure no less than 0.4 MPa{4kgf/cni}.
lf the air pressure is less than 0.4 MPa{4kgf/cni}, the preventive device against reverse
winding which consists of an air pilot valve will not work.
• Check sufficient air can be supplied to the operating area of the hoist.
Campare the air supply from the compressor to the air consumption of the
hoist.
(See Chapter 2 "Specifications" .)
Forapipe of excessively small diameter or of great length, the pressure drop can become
large enough to prevent the specified performance.

-7
• Use an air hose whose inside diameter is at least 9.5 mm (318 in. ) .
• Before connecting the air hose or pipe to the hoist, be sure to flush or blow out with air to prevent
the invasion of foreign matter (dust, etc.) into the air motor.
• Compressed air supplied to the hoist should be free from moisture or foreign matter.
lnstall an air filter to eliminate them from air supply.
• lnstall a lubricator to feed lubricant to the air motor.
See Chapter 8, Section 8. 1
"Lubrication". (Never operate the hoist without lubricant.)
• Connect the air filter, regulator and lubricator as close to the hoist as possible.
• When the air hose is connected to the hoist, pour about 10 drops of lubricant into the connecting
port of the hoist.
See Chapter 8, Section 8. 1 "(3) Recommended Lubricants".
•lnstall a dump valve (drain valve) at the lowest point in the piping.
5. Checks after Installation and Test Run
5.1 Check of Hoisting Operation
Always keep the working air pressure no less than 0.4 MPa l4kgflcm',
60psil.
At the initial operation, repeat up
I down operations several times at low speed, then go to the full-
speed
operation.
Adjust the speed by Controlling the pushing force on the push
buttons.
At this point, check the lubricator is feeding lubricant to the air motor.
See Chapter 8, Section 8. 1 "Lubrication".
Check the indications marked on the push buttons correctly show the actual directions of up I down
operations.
5.2 Check of the Preventive Device against Reverse Winding
(Overlowering Limit Switch) -See Fig. 1
Slowly operate the hoist in the lowering direction while
paying attention to the air from the air exhaust hole.
Check the preventive device against reverse winding
works at the lower Iimit. (Check the hoist stops when the
wire rope extends1.9m).
lf the hoist dose not stop within 100 mm after starting
air exhaust, stop operation immediately.
Air exhaust hole
Fig. 1

8-
5 . 3 Check of the Lifting Height
WARNING
The preventive device against reverse winding (overlowering Iimit switch) and the buffer
spring are for emergency only.
Never use them for usual operations.
lf the buffer spring is
frequently used, the wire rope will be damaged and the suspended
Ioad may drop, causing serious danger.
Check the preventive device against reverse winding dose not work and the buffer spring dose
not collide with the hoist body during required work.
lf do, change the mounting height of the hoist.
5. 4 Load
Test
• Lift the rated Ioad a few inches off the floor and check ability of the brake to stop and hold the
Ioad without excessive
dritt.
ln case of using the hoist with the trolley, traverse the trolley over the entire length of
1-beam
with the rated Ioad suspended a few inches off the floor.
Check the condition of 1-beam and the length of the air hose.
• Lift 125 % of the rated Ioad and check the operation.
This test should be performed for the safety check concerning the hoist, 1-beam,
etc.