KITO EQ Series Owner's Manual

KITO EQ Series Owner's Manual

Electric chain hoist 125kg to 1t, suspended type, motorized trolley type, manual trolley type
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OM-EQ1ZZZ-MGE-00
EQ Series Electric Chain Hoist
(125kg to 1t)
Owner's Manual
Suspended Type (hoist only) : EQ
Motorized Trolley Type : EQM
Manual Trolley Type : EQSP/EQSG
To Customer

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Table of Contents

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Summary of Contents for KITO EQ Series

  • Page 1 OM-EQ1ZZZ-MGE-00 EQ Series Electric Chain Hoist (125kg to 1t) Owner's Manual Suspended Type (hoist only) : EQ Motorized Trolley Type : EQM Manual Trolley Type : EQSP/EQSG To Customer...
  • 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 two categories of “DANGER” “WARNING”...
  • Page 5 ■ General Matters on Handling of EQ Series Electric Chain Hoist The EQ series electric chain hoist is controlled by VFD for important items related to safety such as operation, braking and emergency stop. Be sure to follow the safety precautions below as well as the above safety precautions.
  • 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 ..............11 Product Specification and Operational Environment ....16 How to Use ..................18 ●...
  • Page 8: Type And Names Of Each Part

    Chapter 1 Handling the Product Type and Names of Each Part ■ Suspended Type (EQ) ● Electric chain hoist dedicated for elevation Electric Chain hoist name plate Chain Container Push Button Loard Chain Switch Cord Warning Tag Bottom Yoke Hook Latch Bottom Hook Push Button Switch DANGER...
  • Page 9 ■ Motorized Trolley Type (EQM) ● Electric Chain Hoist combined with motorized trolley (MR2Q) for elevation and traveling motion otorized trolley nameplate Connection Box Cable Support Bar Relay Cable Power Cable Electric chain hoist nameplate Push Button Switch Cord Chain Container Load Chain Warning Tag Bottom Yoke...
  • Page 10 Chapter 1 Handling the Product Type and Names of Each Part (continued) ■ Manual Trolley Type (EQSG/EQSP) ● EQSG : The electric chain hoist equipped with the geared trolley (TSG) enabling fine adjustable lateral motion of the load by pulling the hand chain. ●...
  • Page 11: 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 12 Chapter 1 Handling the Product Opening the Package (continued) ■ Nameplate and Product Model ■ Nameplate Indication of Electric Chain Hoist ② ① ③ ④ ⑤ ⑥ ⑦ ⑧ ⑨ · · · Capacity Ex. 1 t 5 LOT No. The maximum mass of the load that can be Manufacture No.
  • Page 13 ■ Nameplate Indication of Motorized Trolley ② ① ③ ④ ⑤ ⑥ ⑦ · · · Capacity Ex. 1 t 6 Initial setting value of the traveling speed. The maximum mass of the load that can be 7 MFG. YEAR…Manufacture year imposed on the product.
  • Page 14 Chapter 1 Handling the Product Opening the Package (continued) ■ Nameplate Indication of Manual Trolley ① ② ③ · · · Capacity Ex. 1 t The maximum mass of the load that can be imposed on the product. The mass of the hook is excluded. 2 LOT No.
  • Page 15 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 Item Electric chain hoist Motorized trolley Manual trolley product's Lot No., Serial No.
  • Page 16: Product Specification And Operational Environment

    ■ 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) : MR2Q series (100 % of the capacity): Dual speed VFD model (high speed/low speed) — 27/13 % ED...
  • Page 17 ASME HST ● Operation time ratings at K=0.65 Unlformly 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 Light machine shop fabricating, service,and maintenance;...
  • Page 18: How To Use

    How to Use KITO Model EQ Electric Chain Hoist is a dual speed VFD model. Other than them, 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 19: Daily Inspection Of Electric Chain Hoist (Eq)

    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." (P15) such as Lot No. and Serial No. Deformation • Check visually.
  • Page 20: Elongation Of Pitch

    Chapter 1 Handling the Product How to use (continued) ■ Load Chain Item Check method Criteria When failed Elongation of • Check visually • No apparent elongation Refer to Load Chain Pitch (P65) of Chapter 2, Frequent inspection. Abrasion • Check visually • No apparent abrasion Refer to Load Chain of Wire...
  • Page 21: Suspension Eye / Bottom Hook Opening Of The Hook

    ■ Suspension Eye, 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 Eye and Bottom Hook (P66) of Frequent inspection. Abrasion • Check visually • No apparent abrasion...
  • Page 22: Bottom Yoke

    Chapter 1 Handling the Product How to use (continued) ■ 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 (P73) of Periodic inspection.
  • Page 23: Function And Performance Operational Check

    ■ 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 check each operation.
  • Page 24: Daily Inspection Of Motorized Trolley (Eqm)

    • When canceling the Emergency Stop Button, the hoist operates normally. Brake • Press the push button to • When the operation is stopped, the Brake is Contact KITO. check the operation of the applied and the motor stops immediately. Brake.
  • Page 25: Daily Inspection Of Manual Trolley (Eqsg/Eqsp)

    ■ Daily Inspection of Manual Trolley (EQSG/EQSP) ■ 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 26: How To Operate The Push Button Switches

    Chapter 1 Handling the Product How to use (continued) ■ How to Operate the Push Button Switches CAUTION • Do not hang the Push Button Switch Cord on other object, or pull the cord strongly. • Do not use the Push Button Switch if its button does not operate smoothly. •...
  • Page 27 ■ 5-Push Button Switch Set 5-Push Button Switch Set is equipped with a lock type emergency stop button (VFD reset button) and lift/lower push buttons. Two-step push button switch is mounted as Lift/lower push button switches in accordance with the specification of dual speed VFD specification.
  • Page 28 Chapter 1 Handling the Product How to use (continued) ■ 7-Push Button Switch Set 7-Push Button Switch Set is equipped with a lock type emergency stop button (VFD reset button) and lift/lower push buttons. One-step push button switch or two-step push button switch is mounted as Lift/lower push button switches in accordance with the specification of single speed or dual speed VFD specification.
  • Page 29: 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 30 Chapter 1 Handling the Product How to use (continued) ■ 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 31 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 32: Speed Change Of Dual Speed For Eq Model

    Wrong parameter settings may result in danger such as defective operation and drop of lifted load. Please contact Prohibited your nearest service shop or KITO for consultation. Failure to comply with these instructions may result in death or serious injury.
  • Page 33: 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 34: 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 35: 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 ■ Assembling Parts to Electric Chain Hoist ■...
  • Page 36 Chapter 1 Handling the Product Assembling (continued) ● 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...
  • Page 37 ■ 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 ● Remove dust and waterdrops attached on the Load Chain and then apply lubricant.
  • Page 38: Combination With The Trolley

    ■ Dimensions of Suspension Eye Part Code code 001IS, 003IS, EQ1CI9001 67.5 139.6 004IS, Ø12.2 005IS 010IS EQ1DI9001 16.5 153.6 ■Combining with the Motorized Trolley CAUTION • You cannot combine other KITO product (old model) with the Model EQ Electric Chain Hoist. Prohibited...
  • Page 39 ■ Checking the Number of the Assembled Adjusting Spacers and Their Positions (for Motorized 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 40 Chapter 1 Handling the Product Assembling (continued) (Unit: piece) Rail width 7/16 11/16 (in) Beam Parts width name Rail width (mm) Inner Thin spacer Outer Inner Thick 125kg spacer Outer 250kg Fixing Inner spacer 490kg Outer (300) 500kg Inner Thick spacer L Outer Thin...
  • Page 41 ■ Length of Adjusting Spacer (Unit: mm) 125kg, 250kg, 490kg, 500kg, 1t * 12.5 Thick spacer 38.4 Thick spacer/Fixing spacer (300)/Thick Fixing spacer (300) 38.4 spacer L/Thin spacer L/Thin spacer 12.5 Thick spacer L* Thin spacer L 50.8 32.8 Thin spacer 32.5 Suspension shaft diameter * Thick spacer L is not necessary for 1t type.
  • Page 42 Chapter 1 Handling the Product Assembling (continued) ■ Combination of the Electric Chain Hoist and the Motorized 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 43 ■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 44 Chapter 1 Handling the Product Assembling (continued) 125kg - 500kg (Unit: piece) Rail width 1/16 3/16 5/16 5/16 7/16 11/16 (in) Beam Parts 15/16 5/16 width name Rail width (mm) Inner Thin spacer Outer Inner Thick spacer Outer Inner Thick spacer L Outer 125kg...
  • Page 45 125kg - 500kg (Unit: piece) Rail width 7/16 11/16 (in) Beam Parts width name Rail width (mm) Inner Thin spacer Outer Inner Thick spacer Outer Inner Thick spacer L Outer 125kg Fixing Inner 250kg spacer 490kg Inner Thin 500kg spacer Outer Inner Thick...
  • Page 46 Chapter 1 Handling the Product Assembling (continued) For I beam *Thick spacer L Thin spacer Thin spacer Thin spacer Thin spacer Inner Outer * When connecting with manual trolley, use the Thick spacer L provided in the package. ■ Length of Adjusting Spacer (Unit: mm) 125kg, 250kg, 490kg, 500kg 125kg, 250kg, 490kg, 500kg...
  • Page 47 ■ 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 48: Checking Power And Power Cable

    Chapter 1 Handling the Product Assembling (continued) ■ 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 49 Suspended Type: EQ Manual Trolley Type: EQSP/EQSG Permissible length (m) 230V Class 400V Class Minimum wire size Dual speed Dual speed 50Hz 60Hz 50Hz 60Hz 220-230V 380-415V 380-440V EQ001IS (56) (176) EQ003IS 1.25 EQ005IS (45) (149) EQ010IS (27) (89) Motorized trolley type: EQM Permissible length (m) 230V Class 400V Class...
  • Page 50: Connecting Cables

    Chapter 1 Handling the Product Assembling (continued) ■ 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 51 ■Motorized Trolley Type ■125kg to 1t ● ● Connecting the Relay Cable for Power Connecting the Trolley Power Cable 1) Insert the Power Cable Holder A to the 1) Remove the Holder A mounted to the Holder B and tighten it securely. Connection Box.
  • Page 52 Chapter 1 Handling the Product Assembling (continued) ■Manual Trolley Type ■125kg to 1t ● Connecting the Power Cable 1) Insert the Power Cable Holder A to the Holder B Holder B and tighten it securely. 2) Fix the Power Cable using cable holder with a slack.
  • Page 53: Installation

    • Installation (removal) of the electric chain hoist must be carried out by special installer or by personnel with expertise. Travel rail Consult with the sales shop or KITO for installation, or consign the installation work to Trolley Mandatory special installer or personnel with expertise.
  • Page 54: Installing The Trolley Combined Model

    Chapter 1 Handling the Product Assembling (continued) ■ 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.
  • Page 55 ■ 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 56 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 57: 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 59 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 ................60...
  • Page 60 Chapter 2 Inspection Table of Contents ■ Safety Precautions ………………………………… 62 ■ Periodic Inspection ■Frequent Inspection (Carry out the periodic inspection after check of no (Carry out the frequent inspection after check of no abnormality in daily inspection and frequent inspection abnormality in daily inspection items.) items.) ■Electric Chain Hoist (EQ) Frequent Inspection...
  • Page 61 ■Motorized Trolley (MR2Q) Periodic Inspection ■ Check of Operating Hours and Number of Start (CH Meter) Brake Start Times/Operating Hour Display Device ....88 Appearance ……………………………………… 80 The display contents of the number of start and operating hours ..88 Abrasion of Brake Pad …………………………… 80 Displaying of the numbers of start and operating hours ..88 Body size Components Calculating the number of start ......
  • Page 62: Safety Precautions

    ■ General Matters related to Inspection 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 Prohibited (Annex) for the correct use of the part.
  • Page 63 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.
  • Page 64: Frequent Inspection

    • Do not disassemble the Model EQ Electric Chain Hoist in the same way as the contactor system. • Do not change the VFD parameter. When parameters need to be changed, ask our distributors nearest to the customer or KITO. Prohibited •...
  • Page 65: Electric Chain Hoist (Eq) 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 66: Suspension Eye, Bottom Hook

    Chapter 2 Inspection Frequent Inspection (continued) ■ 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 eye. • Compare the dimensions of a, b the Hook and c with those at purchasing.
  • Page 67: 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 68: Push Button Switch

    Chapter 2 Inspection Frequent Inspection (continued) ■ 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 69: Power Supply

    ■ Power Supply Item Check method Criteria When failed Power Cable • Check visually. • Power Cable to have enough length. Replace the Power • To have no damage Cable. • To be connected securely Cable Hanger • Check visually and by • To have no damage Re-mount the Cable moving by hand.
  • Page 70: Motorized Trolley (Mr2Q) Frequent Inspection

    Chapter 2 Inspection Frequent Inspection (continued) ■ Motorized Trolley (MR2Q) Frequent Inspection ■ Appearance Item Check method Criteria When failed Travel Rail • Check visually. • To have no considerable deformation and Check items in damage accordance with “Travel Rail” described in Chapter 2 “Periodic Inspection”.
  • Page 71: Periodic Inspection

    • Do not disassemble the Model EQ Electric Chain Hoist in the same way as the contactor system. • Do not change the VFD parameter. When parameters need to be changed, ask our distributors nearest to the customer or KITO. Prohibited •...
  • Page 72: Electric Chain Hoist (Eq) Periodic Inspection

    Chapter 2 Inspection Periodic Inspection (continued) ■ Electric Chain Hoist (EQ) 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 and Bottom Hook.
  • Page 73: 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 Mandatory the Limit Switch.
  • Page 74: Oil

    Chapter 2 Inspection Periodic Inspection (continued) ■ 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 75: Electromagnetic Brake

    ■ Electromagnetic Brake Item Check method Criteria When failed Brake • Lift and lower the electric • When stopping the operation, the Brake must Disassemble the Brake chain hoist for 20 to 30 cm be applied immediately and the motor must to check whether the with a capacity and then stop.
  • Page 76: Driving Mechanism

    Chapter 2 Inspection Periodic Inspection (continued) ■ 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 77: Abrasion And Flaw Of The Load Sheave

    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 78: Electrical Equipment

    • Check the parts with service • Electrolytic capacitor: 3000 hours (depending Replace the VFD. life on the use) (see VFD Manual.) * Contact KITO for the manual ■ Electric Characteristics Measurement Item Check method Criteria When failed Source • Measure the voltage with a...
  • Page 79: Grounding Resistance

    Item Check method Criteria When failed Grounding • Measure the grounding • Grounding resistance 100Ω or less Make a grounding Resistance resistance with earth- correctly. DANGER resistance meter. • Turn off the power when measuring the grounding resistance. Mandatory Measuring the grounding resistance without turning off the power may result in death or serious injury due to electric shock.
  • Page 80: Motorized Trolley (Mr2Q) Periodic Inspection

    Chapter 2 Inspection Periodic Inspection (continued) ■ Motorized Trolley (MR2Q) Periodic Inspection ■ Brake Item Check method Criteria When failed Appearance • Disassemble the Brake and • T o have no deformation, flaw and damage on Replace the Part. check it visually. the Brake Drum and the Motor Cover. • To have no deformation and damage on the Replace the Brake Brake Spring.
  • Page 81: Lifting Shaft

    Item Check method Criteria When failed Lifting Shaft • Check visually. • To have no considerable deformation and Replace the Lifting • Measure the shaft diameter abrasion shaft. with vernier caliper. • The shaft with obvious deformation reaches at the service limit. Shaft diameter • Abrasion limit of the shaft is 5 % of its diameter Outer diameter(mm)
  • Page 82: Travel Rail

    Chapter 2 Inspection Periodic Inspection (continued) ■ Travel Rail Item Check method Criteria When failed Rail Surface • Check visually. • To have no attachment of paint, oil and foreign Clean the Travel Rail. matter. • To have no dust and powder due to abrasion Deformation • Check the deformation • T o have no deformation of beam flange such...
  • Page 83: Function And Performance

    ■ Function and Performance DANGER • After completion of the inspection of each part, perform the operational check for correct operation. Neglecting to perform the operational check may result in death or serious injury. Mandatory ● Perform the following inspections with capacity. Item Check method Criteria...
  • Page 84: Manual Trolley (Tsg/Tsp) Periodic Inspection

    Chapter 2 Inspection Periodic Inspection (continued) ■ Manual Trolley (TSG/TSP) Periodic Inspection ■ Body size Components Item Check method Criteria When failed Wheel • Check visually. • To have no considerable deformation Replace the Wheel. • Measure dimension D with and damage vernier caliper.
  • Page 85: Deformation And Abrasion

    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 86: Guidelines For Parts Replacement Based On Indication Of Ch Meter

    Gear oil kind and amount for main unit Code Amount gear oil(ml) EQ001IS, EQ003IS, EQ005IS KITO genuine product EQ010IS 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 87: Guidelines On Gear Parts Replacement (Load Gear, Friction Clutch With Gear 2, Gear 3)

    ■ 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 – Parts replacement – M6, 3m –...
  • Page 88: Check Of Operating Hours And Number Of Start (Ch Meter)

    Chapter 2 Inspection 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 89: Calculating The Number Of Start

    ■ 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” is displayed on U7-01 and “567” is displayed on U7-02 The number of start of lowering = 81 ×...
  • Page 91 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 ............92 ■Safety Precautions ................94 ■Troubleshooting................95...
  • Page 92: Reference

    Chapter 3 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 93 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 94: Safety Precautions

    • When replacing the part, be sure to use the genuine part for KITO electric chain hoist EQ, EQM, EQSP and EQSG. Even if the part is the KITO genuine part, the part for different model may not be used. Use the correct part in Mandatory accordance with separate “Disassembling/Assembling Manual”.
  • Page 95: 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 96: Power Cable

    Chapter 3 Troubleshooting Troubleshooting (continued) 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)
  • Page 97: Motor

    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) resistance of all phases are infinity.
  • Page 98: Brake

    Chapter 3 Troubleshooting Troubleshooting (continued) 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.
  • Page 99: Upper/Lower Limit Switch

    Upper/Lower Limit Switch Symptom Cause Remedy Main factor Countermeasure Electric chain hoist Contact point fusing Actuate the limit switch manually to Habitual use of the limit Do not use the limit does not operate. check the conduction of the contact switch switch habitually.
  • Page 100: Push Button Switch

    Chapter 3 Troubleshooting Troubleshooting (continued) 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 101: Vfd

    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. The ambient temperature is below 0 degree in celsius,...
  • Page 102: 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 103: Hook

    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 P64.) hoist with a load less than the capacity. Earth lifting Do not carry out earth lifting.
  • Page 104 Chapter 3 Troubleshooting Troubleshooting (continued) 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 P72.) hoist with a load less than the capacity.
  • Page 105: Load Chain

    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 106 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 107: Load Sheave

    (See P86) 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 108: Bearing

    Chapter 3 Troubleshooting Troubleshooting (continued) 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.
  • Page 109 Traveling motion of the Trolley (only for motorized trolley) Symptom Cause Remedy Main factor Countermeasure Wheel unable to rotate Locking of brake Disassemble the motor Ambient conditions, Check regularly. cover. Remove rust and environment stains. Electric system failure (Refer to the items of Electric chain hoist) (Refer to the items of Electric chain hoist) Serpentine motion...
  • Page 111 Appendix  Wiring Diagram EQ Wiring Diagram (230V class, 400V class) ........112 MR2Q Wiring Diagram (230V class, 400V class) ......113  Part List Model EQ • Body, gear case, motor ...............114 • Electric, component and chain ...........116 Model MR2Q • Frame and wheel, motor, gear .............118 •...
  • Page 112: Wiring Diagram

    Appendix Wiring Diagram ■ EQ Wiring Diagram (230V class, 400V class)
  • Page 113: Mr2Q Wiring Diagram (230V Class, 400V Class)

    ■ MR2Q Wiring Diagram (230V class, 400V class)
  • Page 114: Body, Gear Case, Motor

    Appendix Parts List ■ Body, gear case, motor...
  • Page 115 Part Code Part Name Remark EQ004IS EQ001IS EQ003IS EQ010IS EQ005IS For KITO EQ trolley Suspension Eye EQ1CI9001 ← ← EQ1DI9001 connection Top pin EQ1CI9121 ← ← EQ1DI9121 Machine screw socket bolt J1BG1-0601010 ← ← ← For Top pin EQ1BUQ03I5A1 ←...
  • Page 116: Electric, Component And Chain

    Appendix Pats List (continued) ■ Electric, component and chain...
  • Page 117 Part Code Part Name Remark EQ004IS EQ001IS EQ003IS EQ010IS EQ005IS 2104 Controller cover assembly EQ1CI2104 ← ← EQ1DI2104 Socket bolt J1BE1-0602525 ← ← ← For Controller cover Toothed lock washer J1WH012-10060 ← ← ← For Controller cover EQ1BEE04I9A3 (490kg) Name plate B EQ1BUQ01I9A3 EQ1BUQ03I9A3 EQ1BUQ05I9A3 (500kg)
  • Page 118: Frame And Wheel, Motor, Gear

    Appendix Pats List (continued) ■ Frame and wheel, motor, gear <Frame and wheel, suspension shaft> 23 22 <Motor, gear>...
  • Page 119 Frame and wheel, suspension shaft Part Code Part Name Remark MR2Q010IS 5201 Side plate G assembly MR1DS5201 1231 Track wheel G assembly M6SE010S1101 Ball bearing J1GR020-06302 Snap ring J1SR000-00042 Washer T6GA010-9104 For track wheel G Snap ring J1SS000-00015 For track wheel G 1211 Side roller complete set S.R SET 010...
  • Page 120: Connection Box Related

    Appendix Pats List (continued) ■ Connection box related...
  • Page 121 Part Code Part Name Remark MR2Q010IS MR2IVD10R1A4 400V 1401 Connection box complete set MR2IVE10R1A4 230V Holder A ECP5924AA Holder B ECP5924AB Packing ECP5924AC Holder nut ECP5924AD Cord cover E6LE010S9630 Machine screw with spring washer J1AP2-5000808 For Cord cover Plate D ECP5924AF Connection box MR1DS9401...
  • Page 122: Push Button And Cable Related

    Appendix Pats List (continued) ■ Push button and cable related 20 21 23 24 25 Power Supply Cable Support Cable Assembly Bar Complete Set...
  • Page 123 Part Code Part Name Remark MR2Q010IS 1781 Push button cord 8C assembly ZLDD01AW1000 Holder A ECP5924AA Cable packing ECP6912AA Push button cord 8C Z3CA800-0000 Warning tag PB SWD9013AB Tag holder E7SE003S9787 1801 5 push button switch assembly SWJ2220AC 1481 Bar holder assembly MR1DS1481 Bar holder MR1DS9481...
  • Page 124 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 126 URL. http://www.kito.com...

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