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crane slew ring inspection usage

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  • Marine Crane Slewing Bearing Inspections | Alatas

    2021-1-4 · 11:12 pm. January 4, 2021. 11:12 pm. We are specialists in crane slewing bearings, carrying out detailed slewing bearing assessments during general crane check-ups and overload tests and as a standalone slewing bearing inspection service. We also provide new slewing bearings at competitive prices and oversee crane slewing bearing change-outs on ...

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  • Slewing Bearings Inspection - Loyal Slewing Crane

    Slewing Bearings Inspection. As with all important machine components, slewing bearings should be cleaned and inspected regularly. Maintenance intervals depend entirely on the operating conditions. In applications where there are heavy loads and/or high levels …

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  • The clearance of the Slewing Ring Bearing - Loyal

    The inspection method for the axial clearance of the slewing bearing crane is as follows: 1. Feeling method. Check the axial clearance of the rolling bearing with your fingers. This method is applied to the case where the shaft end is exposed. When the shaft end is closed or cannot be checked with a finger for other reasons, it can be checked ...

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  • Guide to inspecting and maintaining cranes

    2020-3-30 · inspection falls due, the owner can choose to carry out an annual inspection before . erecting the crane or during the pre-erection inspection. Major inspections. A major inspection must be completed for registered mobile and tower cranes. Non-registrable mobile cranes and bridge and gantry cranes should have a regular ‘major’

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  • The importance of slewing ring bearing maintenance

    The use of a slewing ring bearing provides yet another benefit: its shaftless design eliminates the need for a spindle or kingpost. The center of the bearing remains open to allow passage of various hydraulic and control components. Since the bearing is so critical, careful maintenance is necessary. More than 96% of slewing ring bearing ...

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  • Repair & Maintenance of slewing bearing | Slewing

    Jib crane use slew bearing 011.30.800. Slewing bearing with external gear is the important part of Jib crane rotary device, which is a type of crane that use a mounted arm to lift, move and lower materials. This crane is widely used in industrial settings, like warehouses and docks.

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  • Slewing bearing, Slewing Ring bearing, ball slewing ...

    2020-10-22 · Environment Slew Bearing Dry and clean workshop, industrial positioners with shielding (turntables/robots, etc.) Every 500 hours of operation or once a year. Difficult conditions in open grounds (crane bulldozer, etc.) wind turbine, solar, man-lift Every 30 hours of operation or once every 3 months Aggressive climatic conditions sea/desert/arctic

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  • Slew Bearing Installation and Maintenance Manual

    2019-1-7 · The slewing bearing is an essential part of the rotating machinery and must be well maintained.Over the years the slewing bearing will have some wear, and to be able to know if there is a need for changing the slewing bearing it is needed to keep a record of the wear.If do not make the slewing bearing rocking test,maybe resulting in machinery losses and serious injury to personnel.

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  • Slewing Bearing Rocking Test - China Slewing Ring

    The measurement should be done as follows: Two checkpoints should be chosen on the pedestal at the circumference close to the revolving side shell of the crane (see the drawing above) normally at the FWD and AFT of pedestal. Some makers recommend to carry out measurements at four points: FWD, AFT, PORT and STBD of pedestal.

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  • Tower cranes slewing bearings ... - slew-bearing.com

    2019-9-28 · Whether the resistance of the tower crane increases when it rotates, whether there is a braking phenomenon or the like. Inspection of tower crane slewing bearing bolts and gear seals. The mounting bolts (nails) of the slewing ring are loose and need to be tightened again (standard preload)

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  • 05. Guide to Inspecting and Maintaining Cranes

    2020-3-30 · For tower cranes where the slew ring needs to be split each time the crane is moved, NDT 10 per cent of slew ring bolts is suggested. Bolts to be tested should be selected from the slew ring by a competent person. Complete removal of the bolts from the slew ring and use of magnetic particle testing is recommended.

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  • The importance of slewing ring bearing maintenance

    Slewing ring bearing life is calculated assuming infinitely rigid and flat mounting structures. A structure that distorts significantly under load, and/or one that is out-of-flat, applies loads to localized areas rather than evenly distributing them. This causes permanent deformation in …

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  • Slewing bearing, Slewing Ring bearing, ball slewing ...

    Jib crane use slew bearing 011.30.800. Slewing bearing with external gear is the important part of Jib crane rotary device, which is a type of crane that use a mounted arm to lift, move and lower materials. This crane is widely used in industrial settings, like warehouses and docks.

    Get Price
  • Crane Inspection | T&I SPECIALIST PTE LTD

    Crane Inspection. TIS is able to provide yearly and five yearly crane inspection in accordance with API RP 2D/2C specifications. We are able to provide our clients with a peace of mind whenever they conduct any lifting operations with providing this detailed inspection which covers all parts of the crane …

    Get Price
  • IHI crane slewring bearing replacement

    2016-9-6 · IHI Slewing Bearing Replacement via Floating Crane: Crane Number 4, a IHI Wuhan manufactured deck crane suffered a breakdown of it's slewing bearing ring. ALATAS Singapore Pte Ltd was called in to arrange man-power, tools and floating crane to carry out the slew ring replacement at Singapore Anchorage.

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  • Large-Diameter Anti-Friction Slewing Rings

    2017-4-14 · ring performance. Preventative Maintenance Programs Rotek offers a contracted pre-ventative maintenance program that provides regular inspection of your in-service slewing ring and the performance of sched-uled maintenance procedures that can keep your slewing ring in peak condition and extend its service life. In-Use Slewing Ring Analysis

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  • Slewing Ring bearing, Functions Bearing Fastening

    THE USAGE FACTOR KU is defined according to the particular operating conditions : vibrations, shocks, occasional or accidental overloading, etc. If no other value is …

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  • ZAX130 Crane Slewing Bearing, ZAX130 bearing

    How can you buy ZAX130 Crane Slewing Bearing on the Internet? High quality ZAX130 Crane Slewing Bearing, Just click the button ' Contact Now' to mention your purchase Requirement , Quantity and Contact Method of your requested Bearing Item No. ZAX130. then click the button ' Send ' The web site will make your purchasing information sent to the supplier's mailbox, who will come to contact you ...

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  • DNVGL-ST-0378 Standard for offshore and platform

    2016-5-19 · Crane vessel. 1.1.4.2 For lifting appliances covered by the class notation, Crane, see RU SHIP Pt.6 Ch.5 Sec.3 Permanently installed cranes – Crane. 1.1.4.3 Lifting appliances covered by the class notation, Crane (N), see DNVGL SI 0166 Verification for …

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  • Slew Bolt Inspection (including ... - Alatas Crane Services

    2020-3-30 · For tower cranes where the slew ring needs to be split each time the crane is moved, NDT 10 per cent of slew ring bolts is suggested. Bolts to be tested should be selected from the slew ring by a competent person. Complete removal of the bolts from the slew ring and use of magnetic particle testing is recommended.

    Get Price
  • 05. Guide to Inspecting and Maintaining Cranes

    After reviewing the dimensions, loadings and the jacking slew ring change out procedure used on the 2014 work scope, we verified that it could also be used on this crane with minimal modifications. We calculated the new design loads imposed on the skid frame by the self-weight of the slew ring and discovered the frame was suitable to be reused.

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  • Hydralift crane slew bearing change out - Sparrows

    2016-9-6 · IHI Slewing Bearing Replacement via Floating Crane: Crane Number 4, a IHI Wuhan manufactured deck crane suffered a breakdown of it's slewing bearing ring. ALATAS Singapore Pte Ltd was called in to arrange man-power, tools and floating crane to carry out the slew ring replacement at Singapore Anchorage.

    Get Price
  • IHI crane slewring bearing replacement

    - In the case of Personnel Carriers the crawler crane must be certified every 6 months. - In addition to compliance the thorough annual inspection is also a very good “snap shot” of your fleet - Thorough annual inspections reveal the state of the maintenance of the crawler crane and any lack of operator skills

    Get Price
  • Crawler Crane Inspections | CIT

    2008-7-8 · The first thing I did when I got to the 450ft-high top of a 2003 tower crane was to check the slew-ring bolts with a 2lb beater using minimum force. There are two rows, each with 59 bolts. With the crane balanced off, I started with the top row (the slew bearing) and when I struck the third bolt it moved, showing it was loose.

    Get Price
  • Check those bolts - Cranes Today

    The measurement should be done as follows: Two checkpoints should be chosen on the pedestal at the circumference close to the revolving side shell of the crane (see the drawing above) normally at the FWD and AFT of pedestal. Some makers recommend to carry out measurements at four points: FWD, AFT, PORT and STBD of pedestal.

    Get Price
  • How to conduct a rocking test of the crane?

    2021-2-26 · Important note for crane users: The legal responsibilities for safe lifting operations are usually shared between the crane hirer and crane user. When a crane is hired the responsibility for planning, supervising and carrying out lifting operations rests with the user unless these responsibilities are explicitly assumed by the crane hire ...

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  • Construction - Lifting operations - HSE

    Slewing Ring bearing, Functions Bearing Fastening Slewing- Rollix. The knowledge of loads and working conditions is necessary to allow us. to design and dimension the 'BEARING' function of the slewing ring. i.e. : movement type, speed, accelerations, temperatures, environment etc. The transmission of loads from one raceway to another varies ...

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  • Slewing Ring bearing, Functions Bearing Fastening

    2020-10-3 · 39 Mounting, inspection and storage 40 General information 42 Mounting recommendations 47 Inspection 49 Storage 51 Single row four-point contact ball slewing bearings 52 Product data – general 62 Product tables 62 Light series four-point contact ball slewing bearings 68 Medium size four-point contact ball slewing bearings

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  • Crane Inspection | T&I SPECIALIST PTE LTD

    Crane Inspection. TIS is able to provide yearly and five yearly crane inspection in accordance with API RP 2D/2C specifications. We are able to provide our clients with a peace of mind whenever they conduct any lifting operations with providing this detailed inspection which covers all parts of the crane …

    Get Price
  • Crane Inspections: Why, How and How Often - Crane

    2006-12-25 · Crane Slew Bering Inspection Crane Slew Bering Inspection BrianBT (Marine/Ocean) (OP) 12 Dec 06 11:56. We have a large and complicated Crane assembly. There are few facilities able to pick the structure up even after partial disassembly to carry out a required 5 year inspection of the slew bearing. I appreciate that there are methods or jacking ...

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  • Crane Slew Bering Inspection - Bearing design,

    2014-12-10 · The failure of the crane’s slewing ring led to the crane body collapsing into the cargo hold. The jib fell across the main deck with the jib head resting just above the wharf and the crane cab sustained structural damage. Fortunately no one was injured other than the crane operator who escaped with a broken ankle.

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  • Crane Pre-Use Inspection Checklist (For overhead

    2020-8-4 · (14) In assessing the slew ring, the review engineer shall: (a) obtain the serial number or unique identifying mark of the slew ring; (b) observe the condition of the gear teeth on bearing and pinion; (c) observe the condition of the slew ring greasing sys-tems including the condition of the grease, grease lines, nipples and lip seals;

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  • Catastrophic Cargo Crane Slewing Ring Failure

    Product name:EX870 crane slewing bearing . Application: earthmoving heavy equipment . Bore Size:1595

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  • PRACTICE STANDARD Health and Safety Act - PEO

    2021-6-7 · THE LINK-BELT VISION: TO BE RECOGNIZED AS A LEADER IN CUSTOMER SERVICE AND SATISFACTION. LINK-BELT PREFERRED. LINK-BELT PREFERRED. CRANES. CRANE GUIDE. LOGO GEAR. DISTRIBUTOR LOCATOR. CAREERS. VIDEO LIBRARY.

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  • Test Certificate for Rothe Erde Slewing Rings Rothe Erde ...

    2012-11-15 · Rothe Erde Slewing Rings. Bearing Inspection Offshore Cranes. A ThyssenKrupp Technologies company Rothe Erde TK KD 125 • Re-seal the sampling ports with the plugging elements. • Re-seal the end of the tube after grease removal. • Cut off the tube at the marked point and seal also the cut point (Fig. 9). • Place the sample into an ap-

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  • CRANE INSPECTION CONTRACTS - alatas.asia

    2016-4-2 · • Inspection of steel structure & loose gears etc. according to our crane check-up list • Inspection and function testing of all main drive components • Checking and adjustment of all electric and electronic settings • Checking and adjustment all hydraulic settings • Full crane function test, ramping time & speed adustments

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  • Check those bolts - Cranes Today

    2008-7-8 · The first thing I did when I got to the 450ft-high top of a 2003 tower crane was to check the slew-ring bolts with a 2lb beater using minimum force. There are two rows, each with 59 bolts. With the crane balanced off, I started with the top row (the slew bearing) and when I struck the third bolt it moved, showing it was loose.

    Get Price
  • Crawler Crane Inspections | CIT

    - In the case of Personnel Carriers the crawler crane must be certified every 6 months. - In addition to compliance the thorough annual inspection is also a very good “snap shot” of your fleet - Thorough annual inspections reveal the state of the maintenance of the crawler crane and any lack of operator skills

    Get Price
  • Safe Use of Top Slew Tower Cranes - cpa.uk.net

    2013-9-30 · the Safe Use of Top Slew Tower Cranes confirms to all connected with tower cranes, the Association's continued and dedicated commitment to safety and training. ... This guide, encapsulating the essentials of BS 7121 'Safe Use of Cranes' Parts 1, 2 and 5, is a must for every user of tower cranes. In addition to this guide, the CPA Tower Crane ...

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  • Catastrophic Cargo Crane Slewing Ring Failure

    2014-12-10 · The failure of the crane’s slewing ring led to the crane body collapsing into the cargo hold. The jib fell across the main deck with the jib head resting just above the wharf and the crane cab sustained structural damage. Fortunately no one was injured other than the crane operator who escaped with a broken ankle.

    Get Price
  • Crane Inspections and Preventive Maintenance |

    They had changed out the slew bearing on a similar hydralift crane on another platform during 2014. We reviewed the skid frame and jacking blocks used for that change out to determine if these items could be reused for the newly-requested work scope in order to save costs. The previous crane was heavier with a larger slew ring, however this one ...

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  • Hydralift crane slew bearing change out - Sparrows

    2007-3-27 · crane is safe for use during the period of extension, he may, subject to conditions, extend the service life of the crane to a period specified in the ... Inspection of the mobile crane: The inspection of the mobile crane shall be carried out in a suitable ... Slew rings (d) Hook Blocks (e) Wire ropes, etc

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  • ALL AUTHORISED EXAMINERS, APPROVED CRANE

    2019-9-27 · It is required to use all of these documents in conjunction with each other when applying this specification, as follows: IOGP S-618: Supplementary specification to API Specification 2C Offshore Pedestal-mounted Cranes . This specification is written as …

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