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McGuire MEDLF Series User Manual

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MEDLF Series
Dock Leveler
A Division of Systems, LLC
Owner's/User's Manual
McGuire • Division of Systems, LLC • W194 N11481 McCormick Drive • Germantown, WI 53022
800.624.8473 • fax: 262.255.5917 • www.wbmcguire.com • techservices@loadingdocksystems.com
Printed in U.S.A.
Manual No. 4111-0026
© 2019 Systems, LLC - All Rights Reserved
Feb. 2019

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Summary of Contents for McGuire MEDLF Series

  • Page 1 MEDLF Series Dock Leveler A Division of Systems, LLC Owner’s/User’s Manual McGuire • Division of Systems, LLC • W194 N11481 McCormick Drive • Germantown, WI 53022 800.624.8473 • fax: 262.255.5917 • www.wbmcguire.com • techservices@loadingdocksystems.com Printed in U.S.A. Manual No. 4111-0026 ©...

  • Page 2: Table Of Contents

    Table of Contents Page Precautions Recognize Precautionary Information ..........1 General Operational Precautions ............1 Operational Precautions ..............2 Safety Decals ..................4 Placard ....................5 Owner’s/User’s Responsibilities ............6 Introduction General Information ................8 Component Identification ..............9 Installation Installation Precautions ..............

  • Page 3: Precautions

    PRECAUTIONS Recognize Precautionary Information General Operational Precautions Safety-Alert Symbol The Safety-Alert Symbol is a graphic representation intended to convey a safety message without the use of words. When you see this symbol, be alert Read and understand the Owner’s/User’s Manual and to the possibility of death or serious injury.

  • Page 4: Operational Precautions

    PRECAUTIONS Operational Precautions Learn the safe way to operate this equipment. Read and understand the manufacturer’s instructions. If you have any questions, ask your supervisor. Stay clear of dock leveling device when transport Chock/restrain all transport vehicles. Never vehicle is entering or leaving area. remove the wheel chocks or release the restraining device until loading or unloading is finished, and transport driver has been given...
  • Page 5 PRECAUTIONS Operational Precautions Do not use dock leveling device if transport vehicle is too high or too low. Do not overload the dock leveling device. Do not operate any equipment while under the influence of alcohol or drugs. Do not leave equipment or material unattended on dock leveling device.

  • Page 6: Safety Decals

    PRECAUTIONS Safety Decals OPERATION 7. Stay clear of hinges and front and 1. Read and follow all instructions and sides of moving dock leveler. warnings in owner’s/user’s manual. 8. N e v e r u s e d a m a g e d Unsupported dock leveler 2.

  • Page 7: Placard

    PRECAUTIONS Placard O P E R AT I N G DANGER INSTRUCTIONS NL, TS, MEDLF EDGE-OF-DOCK LEVELERS • Read follow instructions, warnings, and maintenance schedules in NORMAL OPERATION the manual and on placards. • Operation and servicing of 1. Grasp the captured operating handle and dock leveler is restricted to raise to its full extended length.

  • Page 8: Owner's/User's Responsibilities

    OWNER’S/USER’S RESPONSIBILITIES 1) The manufacturer shall provide to the initial the owner’s/user’s company policies, operating purchaser and make the following information conditions and the manufacturer’s specific readily available to the owners/users and their instructions provided with the dock leveling agents, all necessary information regarding device.
  • Page 9 OWNER’S/USER’S RESPONSIBILITIES 7) Loading dock safety equipment should never instructions, labels, decals and placards or be used outside of its vertical working range, or their equivalent. Written documentation of outside the manufacturer’s rated capacity. It shall maintenance, replacement parts or damage also be compatible with the loading equipment should be kept.

  • Page 10: Introduction

    Operation is safe and easy. MEDLF dock levelers are available in the sizes, weight capacities, and options listed in the following tables. Call McGuire to discuss available options to meet your specific needs. Technical Service at 800-643-5424 or techservices@loadingdocksystems.com 4111-0026 — Feb. 2019...

  • Page 11: Component Identification

    INTRODUCTION Component Identification Inspect package and all components. Report any missing or damaged items immediately and note on the shipping Bill Of Lading (BOL). Figure 4 A — Lip Plate D — Lifting Lever G — Bumper Blocks (2 used) B —...

  • Page 12: Installation

    INSTALLATION Installation Precautions It is recommended and good safety practice to use an additional means to support the dock platform and lip anytime when physically working in front of or under the dock leveler. This additional means may include, but is not limited to a boom truck, fork truck, stabilizing bar or equivalent.

  • Page 13: Installation Overview

    INSTALLATION Installation Overview Securely block or support ramp and lip when in Springs must be adjusted after install to ensure vertical positions. Lack of proper bracing can result correct operation and preserve unit warranty. in ramp dropping during adjustment or installation. Note: This is a generic overview of the installation steps required.

  • Page 14: Flush Mount - Weld On

    INSTALLATION Flush Mount - Weld On A flush mount weld on application is used when an 8” 8. Finish welding the base plate: wide (minimum) embed channel is securely anchored into the concrete at the dock edge, and the dock a.
  • Page 15 INSTALLATION Flush Mount - Weld On (continued) Securely block or support ramp and lip when in Springs must be adjusted after install to ensure vertical positions. Lack of proper bracing can result correct operation and preserve unit warranty. in ramp dropping during adjustment or installation. Figure 6 Note: 1.

  • Page 16: Ramp Mount - Weld/Bolt On

    INSTALLATION Ramp Mount - Weld/Bolt On A ramp mount weld on application is used when 8. Finish welding the base plate: adequate dock steel is securely anchored in the concrete at the dock edge, but the existing dock a. Weld the top of end base plate and first height is too low and the dock leveler must be hinge to imbed.
  • Page 17 INSTALLATION Ramp Mount - Weld/Bolt On (continued) Securely block or support ramp and lip when in vertical positions. Lack of proper bracing can result in ramp dropping during adjustment or installation. Figure 7 Note: 1. Top of base plate and bumper cover plate to be flush with top of dock floor and embedded channel.

  • Page 18: Flush Mount - Bolt On

    INSTALLATION Flush Mount - Bolt On A flush mount bolt on application is used when there 11. Place bushing tool on marked line at each end is no steel on dock edge, and the dock height is of ramp to ensure proper alignment at both adequate.
  • Page 19 INSTALLATION Flush Mount - Bolt On (continued) Securely block or support ramp and lip when in vertical positions. Lack of proper bracing can result in ramp dropping during adjustment or installation. Figure 8 Note: 1. Top of base plate and bumper cover plate to be flush with top of dock floor and embedded channel.

  • Page 20: Ramp Mount - Weld On W/Formed Angle

    INSTALLATION Ramp Mount - Weld On w/Formed Angle A ramp mount-weld on used with a formed angle 9. Using the back edge of the ramp plate as a application is used when dock edge is damaged, guide, groove concrete approximately 3/4” deep there is no dock steel securely anchored into the by 2”...
  • Page 21 INSTALLATION Ramp Mount - Weld On w/Formed Angle (continued) Securely block or support ramp and lip when in vertical positions. Lack of proper bracing can result in ramp dropping during adjustment or installation. Figure 9 Note: 1. Top of base plate and bumper cover plate to be 3.

  • Page 22: Formed Angle

    INSTALLATION Formed Angle A formed angle is used when there is no existing dock steel and concrete at the dock edge has been damaged. The formed angle is required to rebuild the damaged concrete edge for a proper installation if the dock height is adequate.
  • Page 23 INSTALLATION Formed Angle (continued) Figure 10 Note: 1. Secure formed angle with (18) anchor bolts, (9) each side. 4111-0026 — Feb. 2019 © 2019 Systems, LLC...

  • Page 24: Ramp And Face Plate

    INSTALLATION Ramp and Face Plate A ramp mount requiring a face plate application is used 10. Break tack welds and slide ramp back until forward when there is no existing dock steel and the concrete at edge is flush with dock face. Tack weld ramp on the dock edge has been damaged.
  • Page 25 INSTALLATION Ramp and Face Plate (continued) Figure 11 Note: 1. Secure formed angle with (18) anchor bolts, (9) each side. 2. Apply continuous fillet weld across entire length of face plate and ramp. 4111-0026 — Feb. 2019 © 2019 Systems, LLC...

  • Page 26: Placard Installation Instructions

    INSTALLATION Placard Installation Instructions Placard Installation Instructions • Owner/Users are responsible for the installation and placement of product • Owner/Users are responsible for the installation and placement of product • Owner/Users are responsible for the installation and placement of product placards.

  • Page 27: Operation

    OPERATION Operational Precautions Stay clear of dock leveler and vehicle restraint 5 in. (127 mm) when transport vehicle is entering or leaving dock area. DO NOT move or use the dock leveler or restraint if anyone is under or in front of leveler. 5 in.

  • Page 28: Operating Instructions

    OPERATION Operating Instructions PULL IN EXTEND LINK ARM Figure 13 Figure 14 PUSH OUT RIVET Figure 15 1. Before activating dock leveler, ensure lip avoids d. Return handle to stored position. contact with transport vehicle sides and cargo. If lip does not lower to transport vehicle bed, reposition 6.
  • Page 29 OPERATION This page intentionally left blank. 4111-0026 — Feb. 2019 © 2019 Systems, LLC...

  • Page 30: Maintenance

    MAINTENANCE Maintenance Precautions Figure 16 Figure 17 A— Handle B —Maintenance Prop Receiver When maintenance is to be performed in front of the dock leveler, support the lip with the handle in the It is recommended and good safety practice to use maintenance prop position or by other means.

  • Page 31: Periodic Maintenance

    MAINTENANCE Periodic Maintenance 8435 Units Figure 18 Weekly Maintenance • Lubricate the following areas with light-weight machine oil: • Operate the dock leveler through the complete operating cycle to maintain lubrication. (A) — Linkage arm pivots (B) — Extend link arm pivot •...

  • Page 32: Adjustments

    ADJUSTMENTS Spring Adjustment Figure 19 Torsion Spring Adjustment Instructions 1. Lift and secure leveler in full upright position and 5. Insert hex bolt (D) and install nut (C) and install handle (A) in maintenance prop receiver (B) tighten. as shown on page 28. 6.

  • Page 33: Troubleshooting

    TROUBLESHOOTING It is recommended and good safety practice to use Always post safety warnings and barricade the an additional means to support the dock platform work area at dock level and ground level to prevent and lip anytime when physically working in front of unauthorized use of the dock leveler before or under the dock leveler.

  • Page 34: Parts

    PARTS MEDLF-Series 4111-0026 — Feb. 2019 © 2019 Systems, LLC...
  • Page 35 PARTS ITEM SIZE/CAPACITY DESCRIPTION PART NUMBER (15”) LIP PART NUMBER (17”LIP) 6620/25 Lip Plate & Hinge Assembly 7303-0039 7303-0040 6630 Lip Plate & Hinge Assembly 7303-0041 7303-0042 6635 Lip Plate & Hinge Assembly 7303-0043 7303-0044 7220/25 Lip Plate & Hinge Assembly 7303-0045 7303-0046 7230...

  • Page 36: Torsion Spring Assembly

    PARTS Torsion Spring Assembly 7 7 7 Item Quantity Part Number Description DOTH-3675 Torsion Spring Kit (Hex Linkage Adder) Includes 1-14 DOTH-3303 L&R Gusset Assembly W/Whole DOTH-3327 HL Model Gusset w/Guide DOTH-3679 HL Torsion Tube Assembly DOTH-3676 HL Torsion Bar Assembly DOTH-2509 Spring Torsion DOTH-3316...

  • Page 37: Operating Links

    PARTS Operating Links BILL OF MATER ITEM PART NO. DESCRIPTION DOTH-3726 NL OPERATING LINK ASSEMB DOTH-3696 NLIII OPERATING LINK ASSEM DOTH-3834 NLIII ROLLER ARM ASSEMBLY PIPE MATER DRAWN (UNLES FRACTIO DECIMAL .00 = .000 = ANGULAR This print is patent and o not convey a granted only Item Quantity Part Number...
  • Page 38 PARTS NLIII Operating Link (8435) 4 5 6 (Handle Shown for Reference) Item Quantity Part Number Description DOTH-3871 NLIII Operating Linkage (35K 84” wide units) DOTH-3316 Pivot, Base Plate DOTH-3317 Bar, Base Plate DOTH-3870 NL Operating Link Arm, 35 K DOTH-2061 Shoulder Bolt 3/8”-16 UNC 1-1/2”...
  • Page 39 PARTS This page intentionally left blank. 4111-0026 — Feb. 2019 © 2019 Systems, LLC...

  • Page 40: Bumpers

    PARTS Bumpers - 4” x 12” x 13” Item Quantity Part Number Description DBBS-3519 4” x 12” x 13” Bumper Block Assembly, Complete DOTH-3544 12” Bumper Block Weldment Item Quantity Part Number Description DKIT-3540 Rubber Bumper and Hardware Kit DOTH-3505 Molded Rubber Bumper 4”...
  • Page 41 PARTS Bumpers - 4” x 10” x 18” (optional) Item Quantity Part Number Description DBBS-3549 4” x 10” x 18” Bumper Block Assembly, Complete DOTH-3844 18” Bumper Block Weldment Item Quantity Part Number Description DKIT-3541 Rubber Bumper and Hardware Kit DOTH-3559 Molded Rubber Bumper 4”...
  • Page 42 PARTS Bumpers - 12” Sliding (optional) Item Quantity Part Number Description DBBS-3543 12” Sliding Bumper Block Assembly, Complete DOTH-3544 12” BB Weldment DOTH-3514 Angle - 12” BB Slide DOTH-3515 Bar - BB Sliding Stop DOTH-3517 12” Sliding BB Plate w/Rubber 4111-0026 —...

  • Page 43: Miscellaneous

    MISCELLANEOUS Customer Information Figure 21 Figure 20 NOTE: Refer to Figure 20 for orientation of dock leveler Dock Leveler Information and Figure 21 for example of decal. The LEVELER model/serial number decal is Model ___________________________________ located on the left platform joist near the front (lip) of dock leveler (A).

  • Page 44: Warranty

    STANDARD PRODUCT WARRANTY SYSTEMS, LLC warrants that its products will be free from defects in design, materials and workmanship for a period of one (1) year from the date of shipment. All claims for breach of this warranty must be made within 30 days after the defect is or can with reasonable care, be detected.

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