KITO EQ Series Owner's Manual
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KITO EQ Series Owner's Manual

Electric chain hoist single phase dual speed inverter type
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EQ Series Electric Chain Hoist
To Customer
• Thank you for purchasing KITO Electric Hoist (EQS).
• Operators and maintenance engineers are requested to read this manual.
After reading, please keep this manual at hand for future use.
• This product is designed considering the environment protection. The product contains none of six hazardous
substances specified by European RoHS Directives nor asbestos.
Single phase dual speed inverter type
Owner's Manual
Suspended Type (hoist only) : EQS
Manual Trolley Type
Original Instruction
(500kg to 1t)
OM-EQSZZZ-CEE-00
: EQSSP

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  • Page 1 Manual Trolley Type : EQSSP To Customer • Thank you for purchasing KITO Electric Hoist (EQS). • Operators and maintenance engineers are requested to read this manual. After reading, please keep this manual at hand for future use. • This product is designed considering the environment protection. The product contains none of six hazardous...
  • Page 2 KITO shall not be liable for any incidental damage due to the use or non-use of the product such as the loss ●...
  • Page 3 ■ Restriction on Use The product described herein is not designed or manufactured for transporting people. Do not use the ● product for that purpose. The product described herein is designed for the materials handling work such as lifting/lowering and ●...
  • Page 4 Safety Precautions Improper use of electric chain hoist causes danger such as drop of lifted load. Read this Owner’s Manual carefully before installation, operation and maintenance. Use the product after understanding the product knowledge, safety information and precautions. This Owner’s Manual classifies the safety information and precautions into three categories of “DANGER”...
  • Page 5 Mandatory Refer to “Disassembly/Assembly Manual” for disassembling, or contact KITO. (This product uses oil. We prepare MSDS (Materials Safety Data Sheet) for the oil. Contact KITO for it.) • Carry out daily inspection by user. • Carry out inspection (monthly, annual) by maintenance engineer.

  • Page 7: Table Of Contents

    Chapter 1 Handling the Product This chapter describes mainly how to use, assemble and install, and the check after installation. It also describes the daily inspection items before use. Type and Names of Each Part ............8 Opening the Package ..............10 Product Specification and Operational Environment ....15 How to Use ..................17 ●...

  • Page 8: Type And Names Of Each Part

    Chapter 1 Chapter 1 Handling the Product Handling the Product Type and Names of Each Part Type and Names of Each Part ■ Hook Suspended Type (EQS) ● Electric chain hoist dedicated for elevation Electric Chain hoist name plate Chain Container Push Button Load Chain Switch Cord...
  • Page 9 ■ Manual Trolley Type (EQSSP) ● The electric chain hoist equipped with the plain trolley (TSP) enabling lateral motion by moving the load manually. For light work. Plain Trolley （ TSP） Name plate Bumper Chain Container Push Button Switch Cord Load Chain Warning Tag Bottom Yoke...

  • Page 10: Opening The Package

    Chapter 1 Handling the Product Opening the Package Opening the Package ■ Checking the Product ● Make sure that the indication on the package and the product coincide with your order. ● Make sure that the product is not deformed and damaged due to the accident during transportation. ■...
  • Page 11 ■ Nameplate and Product Model ■ Nameplate Indication of Electric Chain Hoist Electric chain hoist specifications Motor specifications · · · Capacity Ex. 500kg A Phase The maximum mass of the load that can be Number of phase for motor power supply imposed on the product.
  • Page 12 Chapter 1 Handling the Product Opening the Package ■ Code of EQS Capacity Body size CODE 500kg EQ-C EQS005IS EQ-D EQS010IS...
  • Page 13 ■ Nameplate Indication of Manual Trolley KENN-NR./CODE:TSP010 BJ./MFG.YEAR ④ LIEFERNR./LOT No.TS2- ② ③ SERIENNR./SERIAL No. TRAGF. ① YAMANASHI 409-3853 JAPAN MADE IN JAPAN · · · Capacity Ex. 1 t The maximum mass of the load that can be imposed on the product. The mass of the hook is excluded.
  • Page 14 Front side : FT-DAT Front side : Original Lot No. of the Back side : H-23 Load Chain (4 digits) Back side : KITO ■ Recording the Product No. ● Fill in the table in the right with product's Lot No., Item...

  • Page 15: Product Specification And Operational Environment

    The operational environment of the electric chain hoist and motorized trolley is as follows: ■ Standard Specification Intermittent ratings : EQ series (100 % of the capacity): Dual speed VFD model (high speed/low speed) — 40/20 % ED(120/240 rev/h) Grade : ISO-M5 or M4, FEM-2 pr ASME-H4...
  • Page 16 Chapter 1 Handling the Product ASME HST ● Operation time ratings at K=0.65 Uniformly distributed Infrequent Hoist duty class Typical areas of application work periods work periods Max. on Max. No. Max. on time from Max. No. time, min / hr starts / hr cold start, min of starts...

  • Page 17: How To Use

    How to Use KITO Model EQS Electric Chain Hoist is a dual speed VFD and a single speed model. For the three phase power Single speed model, such products are provided that can travel/traverse when combined with a trolley or a crane. Their push button switches for operation differ in the size and the operating method.

  • Page 18: Daily Inspection Of Electric Chain Hoist (Eqs)

    Labels nameplate or label. When replacing with a new nameplate or label is required, please inform KITO of the description in “Recording of the Product No." ( such as Lot No. and Serial No. Deformation • Check visually.
  • Page 19 ■ Load Chain Item Check method Criteria When failed Elongation of • Check visually • No apparent elongation Refer to Load Chain Pitch )of Chapter 2, Frequent inspection. Abrasion • Check visually • No apparent abrasion Refer to Load Chain of Wire of Chapter 2, Diameter...
  • Page 20 Chapter 1 Handling the Product How to Use ■ Suspension Hook, Bottom Hook Item Check method Criteria When failed Opening of • Check visually • No apparent opening of the Hook Carry out the inspection the Hook item of Suspension Hook and Bottom Hook ( of Frequent inspection.
  • Page 21 ■ Peripheral parts of the main unit Item Check method Criteria When failed Chain Spring • Check visually • No apparent shrinkage or compression Carry out the inspection item of Chain Spring ( of Periodic inspection. Cushion • Check visually • No apparent shrinkage or compression Replace the Cushion Rubber...
  • Page 22 Chapter 1 Handling the Product How to Use ■ Function and Performance ● Check the following item with no load. Item Check method Criteria When failed Operational • Press the push button and • The Load Chain can be wound smoothly. Refer to Chapter 3 • The Electric chain hoist moves in the same Check...

  • Page 23: Daily Inspection Of Manual Trolley (Eqssp)

    ■ Daily Inspection of Manual Trolley (EQSSP) ■ Appearance Item Check method Criteria When failed Indication of • Check visually • No peel off. Indication can be seen clearly. Clean and repair the Nameplates label or replace with a and Labels new label.

  • Page 24: How To Operate The Push Button Switches

    Chapter 1 Handling the Product How to Use ■ How to Operate the Push Button Switches DANGER When starting operation of the hoist after stopping the hoist by pushing the Emergency Stop Button, be sure to confirm there are no hazards around the workplace before releasing the lock of the Emergency Stop Button and starting operation.

  • Page 25: Operation

    ■ Operation ■ General DANGER • Do not operate the electric chain hoist in an environment with flammable or explosive gas. The electric chain hoist is not designed as explosion proof specification. • Do not use the electric chain hoist exceeding the ratings (intermittent rating) of the Prohibited lifting motor and the maximum start-up frequency.
  • Page 26 Chapter 1 Handling the Product How to Use ■ Lifting/Lowering DANGER • Do not lift more than the capacity. (Fig. E) The capacity is indicated in the nameplate. • Do not operate the electric chain hoist exceeding the lifting height. Prohibited •...
  • Page 27 CAUTION • Do not use the Friction Clutch to measure the weight of a load. The use of the Friction Clutch other than intended purpose may result in injury or property damage. Prohibited • When carrying a lifted load using a lifting magnet or a vacuum chuck, lower the height of the lifted load as low as possible.

  • Page 28: Speed Change Of Dual Speed For Eqs Model

    Prohibited Wrong parameter settings may result in danger such as defective operation and drop of lifted load. Please contact your nearest service shop or KITO for consultation. Failure to comply with these instructions may result in death or serious injury.

  • Page 29: Precautions After Work

    ■ Setting Up the No-Load High-Speed Function The EQ Series Electric Chain Hoist provides the no-load high-speed function. When you enable this function, operation is automatically switched to 1.3 times faster than high-speed during high-speed operation if a load is between no-load and 30% of rated load.

  • Page 30: Switching The Dpc Voltage

    Chapter 1 Handling the Product How to Use CAUTION When you use the no-load high-speed function for the first time and when you set it to enabled, confirm that operation is automatically switched to1.3 times speed during high-speed operation. Failure to comply with these instructions may result in bodily injury or property damage. Mandatory ■...

  • Page 31: Work Flow Of Assembling And Installation

    Chapter 1 Handling the Product Work Flow of Assembling and Installation The contents of the work to assemble and install the product by the maintenance engineers and installer are described from this page and after. To eliminate the redo work and for effective assembling and installation, please check the following work flow first and then start assembling and installation work.

  • Page 32: Assembling

    Chapter 1 Handling the Product Assembling Assembling DANGER • Only maintenance engineers or the personnel with expertise are allowed to assemble and disassemble the electric chain hoist. Assembling or disassembling of the electric chain hoist may result in death or serious injury. Prohibited ■...
  • Page 33 ● Assembling the Chain Container 1) Pass a Socket Bolt through all holes of the Chain Container, the Body and the Chain Container, in this order to mount the Chain Container. Body Body U nut Name of each part Socket Bolt Chain Container 2) Screw the U nut into the Socket bolt and tighten it securely.
  • Page 34 Chapter 1 Handling the Product Assembling ■ Oiling the Load Chain DANGER • Be sure to apply lubricant on the Load Chain. Do not carry out oiling work in the place near the fire or arc. Otherwise it will result in fire. Mandatory ●...
  • Page 35 • Be careful for the Power Cable and Push Button Switch Set Cord are not pulled off or entangled within the area of traveling area. Mandatory Failure to comply with these instructions may result in death or serious injury. Hoist itself, or combination with KITO EQ trolley or a trolley for some light cranes. Suspension Eye Part name Usage...
  • Page 36 Chapter 1 Handling the Product Assembling ■Combination with the Manual Trolley ■ Checking the Number of the Assembled Adjusting Spacers and Their Positions (for Manual Trolley) When installing a trolley to the beam, the length of the Suspension Shaft (width between frames) must be adjusted in accordance with the rail width.Wrong number of wrong position of Spacers may result in the drop of the electric chain hoist.
  • Page 37 For I beam Thick spacer L Thin spacer Thin spacer Thin spacer Thin spacer Inner Outer ■ Length of Adjusting Spacer (Unit: mm) 500kg Thin spacer 22.5 25.5 12.5 12.5 Thick spacer 29.4 27.6 Thick spacer L 42.7 22.7 81.5 80.5 Fixing spacer 29.4...
  • Page 38 Chapter 1 Handling the Product Assembling ■ Combination of the Electric Chain Hoist and the Manual Trolley DANGER • Use new split pins. After insertion, bend the pin securely at its both ends. Use of old split pins may result in death or serious injury due to drop. Mandatory ●...

  • Page 39: Checking Power And Power Cable

    ■ Checking Power and Power Cable ■ Checking the Power DANGER • Check that the rating of the breaker satisfies the specification required by the electric chain hoist. • Check that the source voltage satisfies the rated voltage of the electric chain hoist. Failure to comply with this instruction may result in death or serious injury.

  • Page 40: Connecting Cables

    Chapter 1 Handling the Product Assembling ■ Connecting Cables NOTE • When clamping a connector, do not use tools. Be sure to clamp it by hand. Excessive tightening of a connector may result in the damage or breakage f plastic thread part. •...

  • Page 41: Installation

    • Installation (removal) of the electric chain hoist must be carried out by special installer or by personnel with expertise. Consult with the sales shop or KITO for installation, or consign the installation work to Travel rail special installer or personnel with expertise.

  • Page 42: Installing The Suspended Type (Hoist Only)

    Chapter 1 Handling the Product Installation ■ Installing the Hook Suspended Type (hoist only) ■Checking Installation Method and Place DANGER • When using an electric chain hoist suspended (as a single unit) without combination with a trolley, make sure that the Hook Latch of the Top Hook closes securely.
  • Page 43 ■ Installing the Trolley Combined Model ■Mounting the Hoist to the Travel Rail 1) Make sure that the dimensions of the Trolley Frame satisfy the size of the rail to which the trolley is installed. 2) Make sure that the rail is set to a level. 3) Install the electric chain hoist combined with the trolley to the rail from its one end ●...
  • Page 44 Chapter 1 Handling the Product Installation ■ Mounting the Stopper Be sure to mount the stoppers at the both ends of the rail to prevent drop. Decide the mounting position in accordance to the size of the wheel. When the customer wants to make the stopper by oneself, refer to the following figures. Beam width Stopper Bolt...
  • Page 45 T-shape Suspender can be applicable to curved rail, however, the application method differs depending on the condition such as radius of curvature. In such case, contact KITO. 1) Mount the wire support bar at the both Rail ends of the rail.

  • Page 46: Check After Installation

    Chapter 1 Handling the Product Check after Installation Check after Installation Wrong assembling or installation causes death or serious injury. To prevent such danger check the following. ■ Check items Make sure that the following are satisfied: • No bolt, nut nor split pin is lost. Tightening and assembling are completed. •...
  • Page 47 Chapter 2 Inspection This chapter describes frequent inspection items and periodic inspection items. Refer to Chapter 1 for the “Handling the Product”. Inspection is the first step of safety. Carry out daily inspection, frequent inspection and periodic check. Table of Contents ................48...
  • Page 48 Chapter 2 Inspection Table of Contents Table of Contents ■ Safety Precautions ………………………………… 50 Abrasion and flaw of the Load Sheave ………… 64 ■Frequent Inspection ………………………………… 52 Electrical Equipment (Carry out the frequent inspection after check of no Electrical Parts …………………………………… 65 abnormality in daily inspection items.) Wiring ………………………………………………...
  • Page 49 ●Reference Daily inspection is described in Chapter 1 “How to Use the Product”. Refer to the following daily inspection items and their relevant pages. ■Daily Inspection of Electric Chain Hoist (EQS Type) Appearance Indication of Nameplates and Labels ………… 18 Deformation and damage of main unit and each part …...

  • Page 50: Safety Precautions

    DANGER • Do not use the part exceeding the service limit or criteria and the parts other than genuine part for KITO electric chain hoist. Even if the part is genuine KITO part, it cannot be used for other model. Refer to Disassembly/Assembly Manual (Annex) for the correct use of the part.
  • Page 51 NOTE • When performing the frequent inspection, carry out the daily inspection at the same time. • When performing the periodic inspection, carry out the frequent inspection and the daily inspection at the same time. • When detecting any abnormality during inspection due to erroneous use, instruct the operator and user for correct use of the electric chain hoist. Ex.

  • Page 52: Frequent Inspection

    Failure to comply with these instructions may result in death or serious injury and the damage of VFD and DPC. • USE KITO genuine VFD and DPC. The VFD and DPC requires the special specification for KITO. Be sure to use genuine VFD and DPC. Failure to comply with this instruction may result in death or serious injury.

  • Page 53: Electric Chain Hoist (Eqs) Frequent Inspection

    ● Use the needle head caliper (point caliper) to measure the sum of pitches and wire diameter. ● Apply oil on the Load Chain after inspection. ● Application of lubricant influences on the life of the Load Chain considerably. Use the KITO genuine lubricant or equivalent (industrial lithium grease: consistency No.0) ●...

  • Page 54: Opening And Abrasion Of The Hook

    Chapter 2 Inspection Frequent Inspection ■ Suspension Eye, Bottom Hook Item Check method Criteria When failed Opening and • Check visually and measure Replace the Hook and CAUTION Abrasion of with vernier caliper. suspension hook. • Compare the dimensions of a, b the Hook and c with those at purchasing.

  • Page 55: Peripheral Parts Of The Body Size

    ■ Peripheral parts of the Body size ● Use check stand to check the electric chain hoist from the close point. Item Check method Criteria When failed Chain • Check visually. • To be mounted to the body size securely Replace the Chain Container • No damage, tear, abrasion or deformation...

  • Page 56: Push Button Switch

    Chapter 2 Inspection Frequent Inspection ■ Push Button Switch Item Check method Criteria When failed Push Button • Check visually and by • No damage, deformation and loosened bolt. Replace the Push Switch Body operation. • Push Button Switches can be operated Button Switch.

  • Page 57: Function And Performance

    ■ Function and Performance ● Check the following item with no load. Item Check method Criteria When failed Abnormal • Check the noise of gear, • To sound no irregular rotating noise Replace the abnormal Noise motor and the Load Chain • To sound no howling of motor and scraping part.

  • Page 58: Manual Trolley (Tsp) Frequent Inspection

    Chapter 2 Inspection Frequent Inspection ■ Manual Trolley (TSP) Frequent Inspection ■ Appearance Item Check method Criteria When failed Combination • Shake the manual trolley to • The electric chain block shakes lightly to right Combine the electric check. and left. chain hoist and the manual trolley securely.

  • Page 59: Periodic Inspection

    Failure to comply with these instructions may result in death or serious injury and the damage of VFD and DPC. • USE KITO genuine VFD and DPC. The VFD and DPC requires the special specification for KITO. Be sure to use genuine VFD and DPC. Failure to comply with this instruction may result in death or serious injury.

  • Page 60: Electric Chain Hoist (Eqs) Periodic Inspection

    Chapter 2 Inspection Periodic Inspection ■ Electric Chain Hoist (EQS) Periodic Inspection ■ Suspension Eye, Bottom Hook Item Check method Criteria When failed Number of • Check the number of start • Number of start must not exceed the Replace the Suspension Eye, suspension hook with the CH Meter.

  • Page 61: Chain Spring

    Item Check method Criteria When failed Chain Spring • Check visually and measure • Check visually to have no apparent setting Replace the Chain the dimensions. (deformation). Spring. CAUTION • The deformation of the Chain Spring is caused by excessive use of the Friction Clutch and the Limit Switch.

  • Page 62: Oil

    Chapter 2 Inspection Periodic Inspection ■ Oil Item Check method Criteria When failed Oil Leakage • Check visually. • To have no leakage of gear oil from packings, Replace the Packing oil seals or oil plugs. and the Oil Seal. Oil amount • Check the oil level from Gear oil is filled sufficiently...

  • Page 63: Driving Mechanism

    ■ Driving Mechanism Item Check method Criteria When failed Bearing • Check for any strange • Sounds no strange noise during lifting/ Replace the Bearing. noises. lowering operation with no load. • Check the operating hours • The operating hours must not exceed with the CH Meter.

  • Page 64: Abrasion And Flaw Of The Load Sheave

    Chapter 2 Inspection Periodic Inspection Item Check method Criteria When failed Abrasion and • Check for any popping • To have no apparent abrasion, deformation Replace the Load flaw of the sounds. and damage Sheave. Load Sheave • Check the operating hours • To have neither abrasion of the sheave pocket using the CH Meter.

  • Page 65: Electrical Equipment

    Replace the VFD. life on the use) (see VFD Manual.) * Contact KITO for the manual Check visually or using tools. • Make sure that the 8 installation screws for Fasten bolts. fastening the DPC heat sink to the base plate Heat sink are not loose.

  • Page 66: Insulation Resistance

    Chapter 2 Inspection Periodic Inspection Item Check method Criteria When failed Insulation • Measure the insulation • Insulation resistance must be 5 MΩ or higher. Replace the Body size. Resistance resistance with megger. DANGER (Resistance between • Turn off the power when measuring the energized and non- insulation resistance.

  • Page 67: Manual Trolley (Tsp) Periodic Inspection

    ■ Manual Trolley (TSP) Periodic Inspection ■ Body size Components Item Check method Criteria When failed Wheel • Check visually. • To have no considerable deformation Replace the Wheel. and damage • Measure dimension D with • Abrasion Limit of Wheel vernier caliper.

  • Page 68: Deformation And Abrasion

    Chapter 2 Inspection Periodic Inspection Item Check method Criteria When failed Deformation • Check the deformation • T o have no deformation of beam flange such Replace or repair the and Abrasion and abrasion visually and as twist and shear drop Travel Rail. measure them with vernier • To have no exceeding abrasion of rail surface caliper.

  • Page 69: Guidelines For Parts Replacement Based On Indication Of Ch Meter

    Gear oil kind and amount for main unit Code Amount gear oil(ml) EQS005IS KITO genuine product EQS010IS KITO genuine product ■ Guidelines for Checking Brake ● When the number of start reaches 1 million times, check the dimension of B and execute the counteraction in the table below depending on the condition.

  • Page 70: Guidelines On Gear Parts Replacement (Load Gear, Friction Clutch With Gear 2, Gear 3)

    Chapter 2 Inspection Guidelines for Parts Replacement based on Indication of CH Meter ■ Guidelines on Gear Parts Replacement (Load Gear, Friction clutch with Gear 2, Gear 3) Operating hours to replace parts Every 800 hours Every 1600 hours Every 3200 hours Body size grade M5, 2m, H4 –...

  • Page 71: Check Of Operating Hours And Number Of Start

    Check of Operating Hours and Number of Start (CH Meter) CAUTION This section is extracted from the VFD Manual.For details on operation, etc, refer to the separate VFD Manual. ■ Start Times/Operating Hour Display Device The numbers of start of the upper level and lower level are separately displayed on the LED operator. Calculate the numbers of start from the display.

  • Page 72: Calculating The Number Of Start

    Chapter 2 Inspection Check of Operating Hours and Number of Start (CH Meter) ■ Calculating the number of start Calculate the numbers of start of the upper level and lower level from the display. The following is the calculation example. Example: When “81”...
  • Page 73 Chapter 3 Troubleshooting This chapter describes the main failure cause and inspection items based on the fault conditions. The repair work (and maintenance work as well) of the electric chain hoist is accompanied with disassembling/assembling work. Refer to the separate “Disassembling/Assembling Manual” for the correct work. ■Guidance on Troubleshooting ............74 ■Safety Precautions ................76 ■Troubleshooting................78...

  • Page 74: Guidance On Troubleshooting

    Chapter 3 Troubleshooting Guidance on Troubleshooting Guidance on Troubleshooting ■ Guidance on Troubleshooting Following table is the summary of the main failure causes based on the failure conditions and their inspection items. Refer to the page of each item for the check method, treatment and the details of countermeasure. Reference Conditions Main fault contents...
  • Page 75 Reference Conditions Main fault contents Check item page Does not stop Too long (or short) stopping distance Abrasion of brake lining Brake normally Does not stop at the upper/lower limit. Negative phase connection Power Cable of motor lead wires Wrong connection Internal wiring Push Button Switch Abnormal...

  • Page 76: Safety Precautions

    • When replacing the part, be sure to use the genuine part for KITO electric chain hoist EQS and EQSSP. Even if the part is the KITO genuine part, the part for different model may not be used. Use the correct part in accordance with separate “Disassembling/Assembling Manual”.
  • Page 77 Failure to comply with these instructions may result in death or serious injury and the damage of VFD and DPC. • USE KITO genuine VFD and DPC. The VFD and DPC requires the special specification for KITO. Be sure to use genuine VFD and DPC. Failure to comply with this instruction may result in death or serious injury.

  • Page 78: Troubleshooting

    Chapter 3 Troubleshooting Troubleshooting Troubleshooting Power Symptom Cause Remedy Main factor Countermeasure Electric chain hoist Improper source Measure the voltage of each phase at Faulty power receiving Check the power does not operate. voltage power receiving terminal. facility receiving facility If the source voltage is improper, check regularly.

  • Page 79: Power Cable

    Power Cable Symptom Cause Remedy Main factor Countermeasure Electric chain hoist Wire breakage Check the conduction, flaw, crimping of Excessive force Support the cable with does not operate. (more than two terminals and soldering of plug. applied on the cable Cable Support Arm wires) When any deficiency was observed,...

  • Page 80: Motor

    Chapter 3 Troubleshooting Troubleshooting Motor Symptom Cause Remedy Main factor Countermeasure Motor does not Motor coil burning Measure the coil resistance of each Over current due to Operate the electric operate. (two or more phase. Replace the motor when the over voltage or low chain hoist at the rated phases)

  • Page 81: Brake

    Brake Symptom Cause Remedy Main factor Countermeasure Stops after traveling Abrasion of brake Check the manner of operation Excessive inching Check the electric over 4 to 5 links lining (excessive inching or frequent use). Frequent use chain hoist regularly. after the operation Carry out the inspection and use it Use it correctly in is stopped.

  • Page 82: Dpc

    Chapter 3 Troubleshooting Troubleshooting Symptom Cause Remedy Main factor Countermeasure Electric chain hoist Wrong wiring Check the wiring in accordance with Wrong wiring at Correct the wiring in does not operate the wiring diagram. Connect the Faston assembling accordance with the terminal on the correct DPC panel.

  • Page 83: Push Button Switch

    Push Button Switch Symptom Cause Remedy Main factor Countermeasure Electric chain hoist Emergency Stop When the Emergency Stop button is Forgot releasing the Read “How to Operate does not operate. button is pressed to pressed and locked, pull the button Emergency Stop the Push Button its end and locked.

  • Page 84: Vfd

    Chapter 3 Troubleshooting Troubleshooting Symptom Cause Remedy Main factor Countermeasure Electric chain hoist Overload Inverter stops due to Overload Limiter Overload Make sure that the load does not operate. To resume operation, reset the VFD by is within the rated load. pressing Emergency or Lower button.

  • Page 85: Electric Shock

    DANGER the Friction Clutch • Use KITO genuine gear oil. Use of the oil other than KITO genuine oil may result in death or serious injury due to the drop of a lifted load. Mandatory Leaving the electric...

  • Page 86: Hook

    Chapter 3 Troubleshooting Troubleshooting Hook Symptom Cause Remedy Main factor Countermeasure Widened Hook Deformation of the Replace the Hook if the deformation Over load Use the electric chain opening Hook exceeds the criteria. (See P54 .) hoist with a load less than the capacity.
  • Page 87 Hook (continued) Symptom Cause Remedy Main factor Countermeasure Hook Latch has Deformation of the Replace the Hook if the deformation Over load Use the electric chain come off Hook exceeds the criteria. (See P54 .) hoist with a load less than the capacity.

  • Page 88: Load Chain

    Chapter 3 Troubleshooting Troubleshooting Load Chain Symptom Cause Remedy Main factor Countermeasure Twisted Load Chain Load Chain is Remove the Chain Guide and the Load Improper assembling Assemble the electric twisted inside the Chain, and then reassemble them. chain hoist correctly. main body of the (See Disassembling/ electric chain hoist.
  • Page 89 Store the electric chain hoist exposed to rain hoist indoor or under the roof when not using. Influence of sea water Contact KITO for and chemicals the use in special environment in advance. Use the electric chain hoist correctly within the scope guaranteed by the manufacturer.

  • Page 90: Load Sheave

    (See P69 ) DANGER • Use KITO genuine gear oil. Use of the oil other than KITO genuine oil may result in death or Mandatory serious injury due to the drop of a lifted load.

  • Page 91: Bearing

    Bearing Symptom Cause Remedy Main factor Countermeasure Unable to lift a load. Sticking, Breakage Replace the bearing. Use under hot Avoid using under environment or hot environment or excessively frequent use excessively frequent use Strange noise Deterioration Replace the bearing. Use under hot Avoid using under environment or...
  • Page 92 Appendix  Wiring Diagram • EQS Wiring Diagram (110V, 240V class) ........93  Part List • Body, gear case, motor ..............94 • Electric, component and chain .............96...
  • Page 93 Appendix Wiring Diagram ■ EQS Wiring Diagram (110V, 240V class)
  • Page 94 Appendix Parts List ■ Body, gear case, motor...
  • Page 95 Part Code Part Name Remark EQS005IS EQS010IS Suspension Eye EQ1CI9001 EQ1DI9001 For KITO EQ trolley connection Top pin EQ1CI9121 EQ1DI9121 Machine screw socket bolt J1BG1-0601010 ← For Top pin 5501 Body with stator EQ1BMC05I5A1 EQ1BMC10I5A1 Ball bearing J1GR000-06202 J1GR0A0-06303 Set pin S E6SE005S9120 ←...
  • Page 96 Appendix Pats List (continued) ■ Electric, component and chain (For Dual Speed VFD Model) EQ005IS EQ010IS Canvas container EQ010IS...
  • Page 97 Part Code Part Name Remark EQS005IS EQS010IS 2104 Controller cover assembly EQ1CI2104 EQ1DI2104 Socket bolt J1BE1-0602525 ← For Controller cover Toothed lock washer J1WH012-10060 ← For Controller cover Name plate B EQ1BUQ05I9A3 EQ1BUQ10I9A3 Warning sticker E EQP1DI9936 ← 1571 Inverter assembly INV60FC47 INV615C51 HBB board...
  • Page 98 KITO shall, at the election of KITO, repair or replace free of charge any parts or items which are proven to have said defects, provided that all claims for defects under this warranty shall be made in writing...
  • Page 99 EC DECLARATION OF CONFORMITY DECLARATION OF CONFORMITY We, KITO Corporation, 2000 Tsuijiarai, Showa-cho, Nakakoma-gun, Yamanashi-ken, 409-3853, Japan declare under our sole responsibility that the products: Electric chain hoist EQ, model EQ for use with or without the relevant trolley in capacity of 125kg to 1t to which this declaration relates is in conformity with the following EC directives and standards.
  • Page 100 Global Website:kito.com Utilizing 70% post-consumer recycled paper pulp...

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