• 2022-10-04 EOT Crane Maintenance Ste...

    Any accident or mishap of an EOT Crane can be fatal to an individual and is life-threatening. This is why proper care should be taken at regular intervals to ensure the smooth functioning of EOT Crane. This includes proper inspection and steps to be followed throughout the process of designing, manufacturing, installation and operation. Once the procedure begins in full force, the next step is to ensure accurate measures of maintaining the health of EOT Crane. 

     How to do that? Scroll to find out. 

    Here is a manual for all your EOT Crane maintenance needs. 

    How to maintain the Control Panel in EOT Crane?

    The control panel is the brain of any EOT Crane. This is where all the primary functioning is processed. 

    The control panel constitutes an elongated panel box that incorporates all power and auxiliary contactors, switch gears, relays and supplemental control equipment

    The apparatus inside the panel has permanent labels of identification that are in accordance with the circuit diagram presented. Additionally, all control and power terminals shall also have similar identification labels

     These terminals need to be inspected once every month or three months 

    All the connections and terminals present at the switchgear should be completely tight 

    Next comes Insulation Resistance between terminals and the earth This should be inspected once every month.

     

    How to conduct Wire Rope Maintenance in EOT Crane? 

    The wire rope should be discarded based upon the careful inspection of its strand and the rope diameter. The ISO 4309 gives the procedure for replacement criteria for any wire rope.

    During the inspection of wire rope, check for any damage that’s occurred to the rope thimbles, clevis pins or any holes that might have gotten elongated

     

    How to maintain the Travel Gear Box in EOT Crane?

    The lubricating oil in the travel gearbox is completely enclosed and filled up to minimum level marked in all gearbox

    There is an inspection cover present on the top of the gearbox to regularly examine the condition of gears and gearings 

    Correctly and thoroughly check the gearbox casing, drain plugs, filler and the oil seals to ensure there are no signs of seepage or any lubrication leak

    The ventilation plug should be inspected and cleaned meticulously 

    The reliability and security of fixings should be examined and renewed whenever necessary 

    Drain the gearbox of all the oil during examination and replacement, detach the inspection cover and check for any signs of wear and tear 

    If there is any damage caused to the gear teeth, replace them 

    Inspect the security of keys and keyways

    When the gearbox is opened for maintenance, thoroughly clean the mating surfaces, and apply an appropriate sealing compound should while remaking the joint

    In order to hoist the gearbox seal, gasket glue should be used according to the requirement 

    Ensure that no sealing compound enters the oil passage inside the flanges of the gearbox 

     

    How to check the hoist and travel brake in EOT Crane?

    You need to carry out a functional check of every motion brake in order to ensure that they are operating correctly and adequately 

    Inspect the output condition through the brake rectifier 

    The next step is to conduct a thorough cleansing of the brake, check for any air gaps within, examine the worn out parts and renew wherever the need occurs 

    Peculiarly check the wear and tear that's occurred on the rotor disc. This also includes examining the condition of the spline on both the hub and the rotor. 

    Inspect the condition of the hub key and keyway 

     

    How to do the maintenance of Couplings?

    This should be conducted at least once a year 

    The examination should be thoroughly carried out to ensure the tightness of the bolts that connect the machinery, as well as the wear and tear occurring in the coupling

    The damage transpired can be checked from the outside by inspecting the positions of the points concerning the two notches in the boss

    In case the pointer is placed exactly between the two notches, no wear or tear has taken place 

     

    When does the EOT maintenance happen?

    We at Alwaha, offer a host of care, repair and maintenance services that drastically cut the downtime and ensure the smooth operation of your cranes. With a team of experienced technicians and service providers, our facilities are well-renowned for precision and faster turn-around times. We specialize in all services of EOT Crane Dubai and bring the touch of premium aid. Here’s what we provide you with: 

     

    Daily Inspection of EOT Crane 

    Through a daily operator who checks in for any overhead loose parts, brakes, limit/end switches, overall condition of wire ropes, any external damages affecting the safety, greasing and lubrication. 

    Weekly Inspection of EOT Crane 

    This is conducted by a maintenance mechanic and additionally a supervisor as well. The overall examination is similar to daily inspection with a supplementary check of the crane while it is idle, i.e., during the weekends. Reports from the operators from the entire week left unattended are also taken into account. The oil gearbox is thoroughly checked, and if required, the oil is filled up to the indicator levels. Spot checks are also carried out. With the specialization of EOT Crane Dubai Maintenance levels, we provide the best services week on week. 

     

    Quarterly Inspection of EOT Crane 

     

    This is taken care of by the maintenance supervisor. If there is less use of the cranes, they can be checked once every quarter. Inspection and repair are conducted for structural damage, any sign of unusual wear or tear, loose hangings, bearings & pins, drums & hoisting gear, hooks & wire ropes. Control mechanisms are thoroughly examined along with the gearbox, overload relays, conductor coils, timers and fuses. 

     

    Yearly Examination of EOT Crane 

     

    If you are checking up on your cranes only once a year during the holidays, it is crucial that you take a worldwide appreciated service. That is why Alwaha Cranes provide you with EOT Crane Dubai specialized assistance. 

    In the yearly inspection, special attention is paid to the brake functioning, crane structure, travel wheel wear & tear, wire ropes, hoist mechanism and safety devices. All greasing and lubrication are attended to thoroughly, and oil is topped in the gearbox as well. Additionally, testing is carried out after the inspection with a 25% overload. Similar examinations are performed on the functioning of electrical equipment and other safety devices. 

    The mandatory record checking and attention are certified by the supervisor. 

     

    —-------------------------------------------

      

    Here is a checklist manual of all how to maintain Greasing on EOT Crane rails 

     

    The first and foremost step is to ensure that there is limited greasing on the EOT Crane rails and is carried out according to the manual. 

     

    First limited greasing on EOT rails as per manual. Otherwise make sure dust free of rails

     

    Over greasing cause slippage, Can’t stop at right place due to slippery.

     

    Check brake unit, whether brake shoes are in good condition.

     

    Suppose any malfunction noticed, should dismantle the unit and check all parts are good condition, some parts worn out, it should be replace

     

    Chain or rope unit check this rope is good condition, if the rope is minor damage found .I should replace otherwise it will leads to serious injury

     

    Check cross rails, long rails,gutters inspect periodically, moreover greasing point bearings should grease periodically

     

    Observe abnormal noise came from EOT Crane. Immediately EOT crane hand over to maintenance department

     

    They should throughly inspect with help of why why analysis. And found error and rectified again hand over to concern department

     

  • 2022-04-04 List of Cranes Used in Co...

    Cranes That Make The Construction Industry Go Round!  

    Here’s Why These Cranes Are Ideal For Construction Purposes

     Construction industry requires heavy duty and varied lifting solutions depending upon the facility and application needed. Construction applications such as glass manufacture and distribution, structural steel fabrication and preparation and precast concrete production and distribution require robust material handling solutions; Hence, Gantry Cranes, EOT Cranes, Overhead cranes, Tower Cranes, JIb Cranes,, Hammerhead Cranes and Crawler Cranes provide the necessary safety, precision and affordability to carry out arduous operations. 

    With a multitude of cranes now available, choosing the right one for a specific application is imperative, as wrong lifting equipment doesn’t only spell hazardous for the material and workers on the site, it can push your business productivity back and incur financial losses in the long run. 

    To help you choose the correct equipment, we have listed the most commonly used crane systems along with their uses and benefits below- 

    Overhead Cranes

    When the going gets tough, the tough get going is apt for the Overhead cranes.  Installed as permanent structures installed on a runway on the ceiling of the facility, these cranes are ideal for construction operations. Equipped with a high load capacity, they are known to be one of the most accurate crane systems, and more often than not, form the heart of the construction industry. 

    Overhead cranes come in various sizes and with different configurations to enable loading and unloading, lifting dies, moving materials, and can perform with safety and efficiency even in the most severe conditions amidst very high temperatures and toxic materials.  The EOT or Electric Overhead Travelling Cranes come handy in critical industrial environments and cover maximum ground area in comparison with other types of Overhead Cranes. 

    Jib Cranes

    Adaptability is about the powerful difference between adapting to cope and adapting to win, and Jib cranes bridge that difference. These also a kind of overhead crane, that are highly adaptable, efficient, safe and can fit to be used in various applications.  Due to this nature they are credited with being a cost effective solution for handling construction material. Easy to operate and requiring low maintenance cost, Jib cranes can ??move loads weighing up to 30,000 pounds. 

    Gantry Cranes

    In construction sites, the material handling takes place under challenging conditions at times and sometimes at a run-to-finish speed. Gantry Cranes, also called Portal Cranes, allow for quick movement due to their being mobile. They run on rails mounted on the floor, and are typically used in factories, shipyards and similar construction sites, they need to be strong and precise enough to lift heavy loads with ease and safety. One advantage that makes them extremely useful for construction applications is that they are robust, economical and can be used indoors and outdoors.

    Always remember, it isn’t what you do, it is how you do that is the deal maker or deal-breaker. Choosing the most suitable crane now becomes easy with Alwaha Cranes’ wide range of customised crane systems for any application and any facility. 

    Visit www.alwahacranes.com

     

     

  • 2022-03-08 Carrying Out Load Test Fo...

    CARRYING OUT LOAD TEST FOR EOT CRANE DUBAI as per EIAC

    EOT, Gantry, Jib cranes and all other lifting equipment operating in Dubai, requires to be calibrated and inspected periodically as per Emirates international accreditation standard EIAC-RQ-IB-002 released 19.05.2020.

     

    Procedure to be followed

     

    As per EIAC we need to carry out inspection for all kind or eot, gantry cranes in following procedure:

     

    Periodic Inspection

     

    As per EIAC Periodic inspection activity involves visual, functional and load testing of EOT crane that is already installed, commissioned and operational or after repair or altered.

    The equipment shall not be proof load tested during periodic inspection.

     

    THE INSPECTION PERIOD IN HOURS IS 2400 Hours/Year (considering 8-hour shift and 5/6 working days in week) in case of more usage working hours the inspection duration should be consider accordingly.

     

    This is most important guideline for duration of load test for EOT crane, Al Waha cranes have expert team to prepare your equipment for periodic inspection.

     

    MAJOR INSPECTION

     

    Major inspection involves visual, functional and proof load test of cranes as per STREET crane/manufacturer’s standard to assess the safe duration of lifting operation under following circumstances

     

    -       Inspection after major repair/alteration

    -       Cranes that have reached end of design life or where this is unknown after 25 years of crane structure and 10 years of mechanical components

    -       Old equipment that are to be recommissioned after reviewing their design and assuring that they meet the present standard and safety requirements

    -       Equipment that went through major repair

    -       Equipment that was upgraded or modified

     

    Carrying out major inspection is big challenge for most of EOT crane user’s and we at ALWAHA cranes have expert team to support you in major inspection 

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