KITO HARRINGTON MR2Q Series Owner's Manual
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KITO HARRINGTON MR2Q Series Owner's Manual

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
MOTORIZED
TROLLEY
MR2Q SERIES
1/8-1Ton Capacity
Code, Lot and Serial Number
This equipment should not be installed, operated or maintained
by any person who has not read and understood all the
contents of this manual. Failure to read and comply with the
contents of this manual can result in serious bodily injury or
death, and/or property damage.

EFFECTIVE: May 31, 2018

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Summary of Contents for KITO HARRINGTON MR2Q Series

  • Page 1 EFFECTIVE: May 31, 2018  MOTORIZED TROLLEY MR2Q SERIES 1/8-1Ton Capacity Code, Lot and Serial Number  This equipment should not be installed, operated or maintained by any person who has not read and understood all the contents of this manual. Failure to read and comply with the contents of this manual can result in serious bodily injury or death, and/or property damage.

  • Page 2: Table Of Contents

    Table of Contents Section Page Number Important Information and Warnings………………………………………………………………………. 4 Terms and Summary Warning Tag and Labels Technical Information ………………………………………………………………………………………. 8 Specifications Dimensions Pre-operational Procedures..……………………………………………………………………………... 10 Assembly and Adjustment Mounting Location Installation of Trolley onto Beam Electrical Connections VFD Setup Pre-operational Checks and Trial Operation Operation……………………………………………………………………………………………………...
  • Page 3 Section Page Number Maintenance & Handling…………………………………………………………………………………... 37 Count/Hour Meter (Dual Speed Only) Lubrication Brake Storage Outdoor Installation Operational Environment Troubleshooting……………………………………………………………………………………………. 40 Warranty……………………………………………………………………………………………………. 42 Parts List…………………………………………………………………………………………………….43...

  • Page 4: Important Information And Warnings

    Important Information and Warnings Terms and Summary This manual provides important information for personnel involved with the installation, operation and maintenance of this product. Although you may be familiar with this or similar equipment, it is strongly recommended that you read this manual before installing, operating or maintaining the product.
  • Page 5  Equipment described herein is not designed for and MUST NOT be used for lifting, supporting, or transporting people, or for lifting or supporting loads over people. Equipment described herein should not be used in conjunction with other equipment unless necessary and/or required safety devices applicable to the system, crane, or application are installed by the system designer, system manufacturer, crane manufacturer, installer, or user.
  • Page 6  HAZARDOUS VOLTAGES ARE PRESENT IN THE CONTROL BOX, OTHER ELECTRICAL COMPONENTS, AND CONNECTIONS BETWEEN THESE COMPONENTS. Before performing ANY mechanical or electrical maintenance on the equipment, de-energize (disconnect) the main switch supplying power to the equipment; and lock and tag the main switch in the de-energized position. Refer to ANSI Z244.1, “Personnel Protection –...

  • Page 7: Warning Tag And Labels

    Warning Tag and Labels The warning tag illustrated below in Figure 1-1 is supplied with each trolley shipped from the factory. If the tag is not attached to the pendant cord for your hoist/trolley, order a tag from your dealer and install it. Read and obey all warnings attached to this trolley.

  • Page 8: Technical Information

    Technical Information Specifications Note: This Owner’s Manual is to be used with the EQ hoist’s Owner’s Manual . 2.1.1 Product Code for MRQ Trolley Alone: 2.1.2 Product Code for MRQ Trolley with EQ Series Electric Hoist: Table 2-1 Trolley Specifications Motor** Min.

  • Page 9: Dimensions

    2.1.3 Operating Conditions and Environment Temperature Range: -4° to +104°F (-20° to +40°C) Humidity: 85% or less (no condensation) Noise Level: 85 dB or less (A scale: measured 1 meter away from the electric chain hoist) Enclosure Rating: Trolley Meets IP55, Pendant Meets IP65 Supply Voltage: 208-230, 380-440V, 415-460V-3-50/60 Intermittent Duty Rating:...

  • Page 10: Pre-Operational Procedures

    Pre-operational Procedures Assembly and Adjustment 3.1.1 When the MR2Q trolley is combined with a hoist, follow and complete all pre-operational procedures provided with the hoist. For Harrington EQ model hoists, follow the pre-operational procedures in the EQ Owner's Manual in conjunction with all information provided in this section for mounting and electrical connections.
  • Page 11 3.1.5 Trolley Assembly Refer to Figure 3-3. Remove the Shaft Stopper Pin, Side Plate S, and Spacers from the Suspension Shaft. For beam flanges that are wider than the standard range, different suspension shaft and/or spacer arrangements are provided. Refer to Table 3-1. Insert the Suspension Shaft to Side Plate G and attach it with the Suspension Shaft Bolt, Slotted Nut and Split Pin (cotter pin).
  • Page 12 Figure 3-4 Suspension Shafts 3.1.6 Adjusting the trolley width - After assembling trolley per Section 3.1.5, check the adjustment as follows: Refer to Figure 3-5 or 3-6. Make sure both side plates are spread fully outward and Measure Dimension "A". Dimension "A" must be 1/8 to 3/16"...
  • Page 13 Note: Inner Spacer rows on Table 3-2 list two numbers. First number is the quantity of spacers located on the left side of the Suspension Bar or Suspender H , second number is the quantity on the right side. Example: 1 + 2  Adjusting Spacers on the right side (Side Plate S side) ...
  • Page 14 Table 3-2 Number of Adjusting Spacers Beam Flange (in) Width Cap. Spacer (mm) (Ton) Type Inner 1+2 4+4 4+1 4+4 4+1 4+4 4+1 Thin Outer Inner 0+0 1+1 1+2 2+2 2+3 3+3 3+4 Thick 1/8, Outer 1/4,    ...
  • Page 15 Table 3-2 Number of Adjusting Spacers (continued) Beam Flange (in) Width Cap. Spacer (mm) (Ton) Type Inner Thin Outer Inner Thick 1/8, Outer 1/4, Inner Fixing Outer Inner Thick Outer Thin L Inner Inner Thin Outer Inner Thick Outer Inner Fixing Outer Inner...

  • Page 16: Mounting Location

    Counter Weight – For proper balance the 1 Ton, MR2Q trolleys (code MR2Q010SD) require a Counter 3.1.7 Weight when installed on a 3 7/8 inch or smaller beam flange. The Counter Weight mounts on the Suspension Shaft as shown in Figure 3-7 and is held in place with a Bolt, Slotted Nut and Split Pin. The bolt is installed through holes B and C.

  • Page 17: Electrical Connections

    Figure 3-8 Optional trolley installation method Electrical Connections  3.4.1 Ensure that the voltage of the electric power supply is proper for the hoist or trolley.  3.4.2 Do NOT apply electronic soft-start control or voltage varying controls to the MR2Q trolley.
  • Page 18 Install the Strain Relief Cable to the Cord Support on the Bar Holder. Inside the trolley’s Connection Box, insert the 6 pin and 3 pin pendant connectors (white) into the CN13 connector and X21 connectors, respectively. Refer to the wiring diagram inside the control cover and connect wires correctly.
  • Page 19 Figure 3-9 Pendant and Power Supply Cable Connection – Product Code EQM001SD-SD to EQM010SD-SD Dual Speed Trolley Figure 3-10 Power supply cable terminal connections.
  • Page 20 Figure 3-11 Power Supply Cable installation and Guide Wire location.

  • Page 21: Vfd Setup

    VFD Setup  3.5.1 To avoid a shock hazard, DO NOT perform ANY mechanical or electrical maintenance on the trolley or hoist within 5 minutes of de-energizing (disconnecting) the trolley or hoist. This time allows the internal VFD capacitor to safely discharge. ...
  • Page 22 3.5.6 During operation the data display will exhibit illuminating or blinking data as shown in Figure 3-13. Figure 3-13 Illuminating/Blinking Display 3.5.7 The digital display uses a seven segment character to form the specific charaters used in the display. Table 3-4 shows the corresponding digital characters to its English eqivalent. Table 3-4 Digital Character Key 3.5.8 The LED Lamp display provides trolley status.
  • Page 23 3.5.9 The Run Lamp display provides trolley “RUN” status. Table 3-6 shows the various “RUN” displays. Table 3-6 Run Lamp 3.5.10 All of the dual speed trolleys have speed/frequency ranges that can be customized to a specific application. Refer to Table 3-7 for specific trolley speed/frequency ranges. To set custom speeds for an application, follow the procedure in Table 3-8.
  • Page 24 Table 3-8 Speed/Frequency Change Procedure   Each dual speed trolley has a range of available speeds/frequencies (upper and lower limits). Any value outside the range listed in Table 3-7 for your specific trolley is strictly prohibited.  Speeds must be set such as Low [d1-01] and High [d1-02]. ...
  • Page 25 Table 3-10 Trolley VFD 2-Step/3-Step Infinitely Variable Parameter Setup Procedure   Each dual speed trolley model has a range of available speeds/frequencies (upper and lower limits) and acceleration/deceleration time parameters. Refer to Owner’s Manual MOTORIZED TROLLEY MR2Q SERIES.  Any value outside the range listed in Table 3-7 for your specific trolley is strictly prohibited.

  • Page 26: Pre-Operational Checks And Trial Operation

    Pre-operational Checks and Trial Operation 3.6.1 Refer to the trolley's Nameplate and record the Code, Lot and Serial Number in the space provided on the cover of this manual. 3.6.2 Refer to the hoist's owner's manual and perform all pre-operational checks for the hoist. 3.6.3 Perform pre-operational checks for the trolley: ...

  • Page 27: Operation

    Operation Introduction  DO NOT WALK UNDER A SUSPENDED LOAD  HOIST OPERATORS SHALL BE REQUIRED TO READ THE OPERATION SECTION OF THIS MANUAL, THE WARNINGS CONTAINED IN THIS MANUAL, INSTRUCTION AND WARNING LABELS ON THE HOIST OR LIFTING SYSTEM, AND THE OPERATION SECTIONS OF ANSI/ASME B30.16 and ANSI/ASME B30.10. THE OPERATOR SHALL ALSO BE REQUIRED TO BE FAMILIAR WITH THE HOIST AND HOIST CONTROLS BEFORE BEING AUTHORIZED TO OPERATE THE HOIST OR LIFTING SYSTEM.

  • Page 28: Shall's And Shall Not's For Operation

    The operation of an overhead hoist involves more than activating the hoist’s controls. Per the ANSI/ASME B30 standards, the use of an overhead hoist is subject to certain hazards that cannot be mitigated by engineered features, but only by the exercise of intelligence, care, common sense, and experience in anticipating the effects and results of activating the hoist’s controls.
  • Page 29  Improper operation of a hoist can create a potentially hazardous situation which, if not avoided, could result in minor or moderate injury, or property damage. To avoid such a potentially hazardous situation THE OPERATOR SHALL: • • Use the hoist manufacturer’s recommended parts Maintain a firm footing or be otherwise secured when operating the hoist.

  • Page 30: Trolley And Hoist Controls

    Trolley and Hoist Controls Emergency Stop Button – Press the Emergency Stop Button to perform an emergency stop and lock- 4.3.1 out of hoist motion controls or to reset the VFD as shown in Figure 4-1. Turn the Emergency Stop Button clockwise to unlock the controls and allow hoist operation.

  • Page 31: Inspection

    Inspection General 5.1.1 The inspection procedure herein is based on ANSI/ASME B30.16. The following definitions are from ANSI/ASME B30.16 and pertain to the inspection procedure below.  Designated Person - a person selected or assigned as being competent to perform the specific duties to which he/she is assigned.

  • Page 32: Frequent Inspection

    Frequent Inspection Inspections should be made on a FREQUENT basis in accordance with Table 5-1, “Frequent 5.3.1 Inspection.” Included in these FREQUENT Inspections are observations made during operation for any defects or damage that might appear between Periodic Inspections. Evaluation and resolution of the results of FREQUENT Inspections shall be made by a designated person such that the trolley is maintained in safe working condition.

  • Page 33: Inspection Methods And Criteria

    Inspection Methods and Criteria 5.7.1 This section covers the inspection of specific items. The list of items in this section is based on those listed in ANSI/ASME B30.16 for Frequent and Periodic Inspection. In accordance with ANSI/ASME B30.16, these inspections are not intended to involve disassembly of the trolley. Rather, disassembly for further inspection would be required if frequent or periodic inspection results so indicate.
  • Page 34 Table 5-3 Trolley Inspection Methods and Criteria Item Method Criteria Action Pendant - Switches Function Depressing and releasing push buttons should Repair or replace make and break contacts in switch contact block as necessary. and result in corresponding electrical continuity or open circuit.
  • Page 35 Table 5-4 Track Wheel Wear Dimensions 1 to 5 Ton: Note: Track wheels are for flat and tapered flanges. “d” Dimension “D” Dimension Capacity inch (mm) inch (mm) (Ton) Standard Discard Standard Discard 3.60 (91.5) 3.44 (87.5) 3.74 (95) 3.58 (91) Table 5-5 Side Roller Wear Dimensions Trolley Side Plate DIA.
  • Page 36 Table 5-6 Motor Brake Wear Dimensions "A" Dimension - inch (mm) Capacity Single Speed Dual Speed (Ton) Standard Discard Standard Discard 1.28 (32.5) 1.22 (31.0) 1.45 (36.8) 1.43 (36.3)
  • Page 37 Maintenance & Handling Count/Hour Meter (Dual Speed Only) 6.1.1 Dual Speed  On dual speed trolleys, the VFD has a Count/Hour function built into the parameters. Refer to Table 6-1 for parameter identification. Refer to Table 6-2 for Count/Hour access procedure. Table 6-1 VFD Count/Hour Parameter Identification Parameter Name...
  • Page 38 Gear Lubricant – The Dual Speed Trolley C/H Meter can be used in conjunction with the average 6.1.2 operation of the trolley to estimate when the gear lubricant should be changed. Refer to Section 6.2.3. 6.1.3 You are encouraged to use the Dual Speed Trolley Count/Hour Meter in conjunction with your experience with the trolley's application and usage to develop a history upon which to gage and fine tune your maintenance program for the trolley.
  • Page 39 6.5.2 Possibility of corrosion on components of the trolley increases for installations where salt air and high humidity are present. The trolley may require more frequent lubrication. Make frequent and regular inspections of the unit's condition and operation. 6.5.3 For trolley installations where temperature variations introduce condensation into the trolley additional inspection and more frequent lubrication may be required.
  • Page 40 Troubleshooting  HAZARDOUS VOLTAGES ARE PRESENT IN THE TROLLEY AND IN CONNECTIONS BETWEEN COMPONENTS. Before performing ANY maintenance on the equipment, de-energize the supply of electricity to the equipment, and lock and tag the supply device in the de-energized position. Refer to ANSI Z244.1, “Personnel Protection – Lockout/Tagout of Energy Sources.”...
  • Page 41 Table 7-1 Troubleshooting Guide Symptom Cause Remedy Motor brake not Clean and inspect brake lining. Replace if necessary holding Trolley drifts excessively when VFD Deceleration Readjust VFD Deceleration parameter (Reference Section stopping parameter adjusted 3.5.11). incorrectly Excessive duty cycle Reduce frequency of trolley movement. Extreme external Above an ambient temperature of 140°F, the frequency of trolley Motor or brake...
  • Page 42 Warranty All products sold by Harrington Hoists, Inc. are warranted to be free from defects in material and workmanship from date of shipment by Harrington for the following periods: 1 year – Electric and Air Powered Hoists (excluding (N)ER2 Enhanced Features Models and EQ/SEQ Models), Powered Trolleys, Powered Tiger Track Jibs and Gantries, Crane Components, Below the Hook Devices, Spare / Replacement Parts...
  • Page 43 Parts List When ordering parts, please provide the trolley code number, lot number and serial number located on the hoist name Plate (see fig. below). Reminder: Per sections 1.1 and 3.6.1 to aid in ordering parts and product Support, record the trolley code number, lot number and serial number in the space provided on the Cover of this manual.
  • Page 44 9.1 Electric Parts Figure 9-1-1 Electric Parts...
  • Page 45 9.1 Electric Parts Parts Per Figure No. Part Name 1/8 Ton 1/4 Ton 1/2 Ton 1 Ton Trolley MR2IVK10R1A1 Connection Box complete set MR2IVJ10R1A1 Holder A ECP5924AA Holder B ECP5924AB Packing ECP5924AC Holder Nut ECP5924AD Cord Cover E6F630010S Machine Screw With Spring Washer MS554010 Connection Box MR1DS9401...
  • Page 46 9.2 Pendant and Power Supply Parts Figure 9-2-1 Pendant and Power Supply Parts...
  • Page 47 9.2 Pendant and Power Supply Parts Parts Figure No. Part Name 1/8 Ton 1/4 Ton 1/2 Ton 1 Ton Trolley Push Button Cord 8C Complete ZLDD02AI1000 Assembly Holder A ECP5924AA Cable packing ECP6916AA Push button cord 8C 18/8P Warning tag PB SWJ9013AV Tag holder E3S787003...
  • Page 48 9.3 Side Plates and Suspension Parts Figure 9-3-1 Side Plates and Suspension Parts...
  • Page 49 9.3 Side Plates and Suspension Parts Figure Parts Per Part Name 1/8 Ton 1/4 Ton 1/2 Ton 1 Ton Trolley Side Plate G Assembly MR1DS5201 Track Wheel G Assembly MS1101010 Washer MS104010 Snap Ring 9047115 Side Roller Assembly MR1DS1211 Side Plate S Assembly MR1DS5202 Track Wheel S Assembly MS1102010...
  • Page 50 9.4 Motor Parts Figure 9-4-1 Motor Parts...
  • Page 51 9.4 Motor Parts Parts Figure Part Name 1 Ton 2 Ton 3 Ton 5 Ton Trolley Gear Box Packing MR1DS9248 Set Pin MR1DS9249 Bolt 9093328 Spring Lock Washer 9012711 Washer 9012513 2/4V 7018401 Motor Assembly 7018403 Ball Bearing 9001004 Brake Drum Assembly MR1DS5261 Brake Spring MS304010...
  • Page 52 Harrington Hoists, Inc. Toll Free: 800-233-3010 www.harringtonhoists.com 401 West End Avenue Phone: 717-665-2000 Manheim, PA 17545 Fax: 717-665-2861 MR2QOM-ENG...

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