DLM NL Series Owner & User Manual
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DLM NL Series Owner & User Manual

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DL-NL-TS SERIES
EOD Dock Leveler
Owner's/User's Manual
DLM • Division of Systems, Inc. • W194 N11481 McCormick Drive • Germantown, WI 53022
800.643.5424 • fax: 262.257.7399 • www.docksystemsinc.com • techservices@docksystemsinc.com
Printed in U.S.A.
Manual No. 4111-0025
Copyright
2011
March 2011
©
May 2012

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  • Page 1 DL-NL-TS SERIES EOD Dock Leveler Owner’s/User’s Manual DLM • Division of Systems, Inc. • W194 N11481 McCormick Drive • Germantown, WI 53022 800.643.5424 • fax: 262.257.7399 • www.docksystemsinc.com • techservices@docksystemsinc.com Printed in U.S.A. Manual No. 4111-0025 Copyright 2011 March 2011 ©...

  • Page 2: Table Of Contents

    Table of Contents Page Safety Recognize Safety Information ..............1 General Operational Safety Precautions ..........1 Operational Safety Precautions ..............2 Maintenance Safety Precautions ............4 Safety Decals ..................5 Owner’s/User’s Responsibilities ..............6 Introduction General Information ................8 Dock Leveler Stock Specifications ............8 Installation Installations Details .................9 Flush Mount-Weld On ................

  • Page 3: Safety

    SAFETY Recognize Safety Information General Operational Safety Precautions Safety-Alert Symbol The Safety-Alert Symbol identifies important safety messages on equipment, safety signs, in manuals, or elsewhere. When you see this symbol, be alert to the possibility of personal injury or death. Follow the Read and understand the operating instructions and instructions in the safety message.

  • Page 4: Operational Safety Precautions

    SAFETY Operational Safety 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 freight Chock/restrain all freight carriers. Never remove carrier is entering or leaving area.
  • Page 5 SAFETY Operational Safety Precautions Do not use dock leveling device if freight carrier 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: Maintenance Safety Precautions

    SAFETY Maintenance Safety Precautions To put handle into maintenance prop position, remove bolt and locknut at base of handle assembly. Pull handle out of roller arm assembly and place into maintenance prop receiver, if equipped. Post safety warnings and barricade the work area at dock level and ground level to prevent unauthorized use of the dock leveler before installation has been completed.

  • Page 7: Safety Decals

    Unsupported dock leveler manual. sides of moving dock leveler. 2. Use of dock leveler restricted to 8. Never use damaged or ramps can lower unexpectedly. trained operators malfunctioning dock leveler. Report 3. Always chock trailer wheels or problems immediately to supervisor. engage truck restraint before Before allowing vehicle to leave operating dock leveler or beginning to...

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

    OWNER’S/USER’S RESPONSIBILITIES 1. The owner/ user should recognize the inherent dangers of the interface between the loading dock and the transportation vehicle. The owner/ user should, therefore, train and instruct all operators in the safe operation and use of the loading dock equipment in accordance with manufacturer’s recommendations and industry standards.
  • Page 9 NOTES This page intentionally left blank Manual No. 4111-0025 March 2011 May 2012...

  • Page 10: Introduction

    Comparative Industry Rating mechanical Edge-of-Dock levelers. Width Width NL-66 66” 104” 20,000 Designed by DLM to be a marvel of simplicity and 25,000 NL-72 72” 110” efficiency, your dock leveler, when properly installed, 30,000 will provide many years of trouble-free performance NL-78 78”...

  • Page 11: Installation

    INSTALLATION INSTALLATION DETAILS 50 INCH PREFERRED Only trained installation professionals with the Post safety warnings and barricade the work area at proper equipment should install this product. dock level and ground level to prevent unauthorized use of the dock leveler before installation has been completed.

  • Page 12: Flush Mount-Weld On

    INSTALLATION E.O.D. Installation Instructions - Flush Mount - Weld On Follow all safety precautions prior to installation. A flush mount weld on application is used when an 8” 8. Installer must remove all welding slag, and repaint wide (minimum) embed channel is securely anchored welded areas.
  • Page 13 INSTALLATION Manual No. 4111-0025 March 2011 May 2012...

  • Page 14: Ramp Mount-Weld/Bolt On

    INSTALLATION E.O.D. Installation Instructions - Ramp Mount - Weld/Bolt On Follow all safety precautions prior to installation. A ramp mount weld on application is used when adequate groove concrete approximately 3/4” deep by 2” wide, dock steel is securely anchored in the concrete at the dock and should be the entire length of ramp plate.
  • Page 15 INSTALLATION Manual No. 4111-0025 March 2011 May 2012...

  • Page 16: Flush Mount-Bolt On

    INSTALLATION E.O.D. Installation Instructions - Flush Mount - Bolt On Follow all safety precautions prior to installation. A flush mount bolt on application is used when there 9. Drill 5/8” dia. by 5” deep holes at center marks. is no steel on dock edge, and the dock height is Reposition bump blocks, insert anchor bolts with adequate.
  • Page 17 INSTALLATION of lever, with the unit raised and secured in the maintenance position, loosen jam nut on the underside of the linkage pin. To start allow about Securely block or support ramp and lip when in 3/4” to 1” of threads between top of jam nut vertical positions.

  • Page 18: Ramp Mount-Weld On W/Formed Angle

    INSTALLATION E.O.D. Installation Instructions - Ramp Mount - Weld On w/Formed Angle Follow all safety precautions prior to installation. A ramp mount-weld on used with a formed angle application 9. Using the back edge of the ramp plate as a guide, is used when dock edge is damaged, there is no dock steel groove concrete approximately 3/4”...
  • Page 19 INSTALLATION Manual No. 4111-0025 March 2011 May 2012...

  • Page 20: Formed Angle

    INSTALLATION E.O.D. Installation Instructions - Formed Angle Follow all safety precautions prior to installation. 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 21 INSTALLATION Manual No. 4111-0025 March 2011 May 2012...

  • Page 22: Ramp And Face Plate

    INSTALLATION E.O.D. Installation Instructions - Ramp and Face Plate Follow all safety precautions prior to installation. A ramp mount requiring a face plate application is 5/8” dia. by 5” deep holes through ramp plate at used when there is no existing dock steel and the back edge.
  • Page 23 INSTALLATION Manual No. 4111-0025 March 2011 May 2012...

  • Page 24: Installation Check List

    INSTALLATION - CHECK LIST E.O.D. Installation Checklist Date: __________ Order No.: __________ Serial Number:______________ Installer: ____________________________ Customer Name: _____________________ Address: ____________________________ City/State: ___________________________ Zip: __________ Phone: _________________  1. Unit is properly aligned and installed properly.  2. All welding has been fully completed. ...

  • Page 25: Operation

    OPERATION OPERATING INSTRUCTIONS FOR DL-SERIES 1. With leveler in stored position, back the truck into 4. Then actuate the leveler by placing the lifting hook position against the bump blocks. into lip plate notch and manually lifting the hook until the lip plate section extends over the truck 2.

  • Page 26: Operating Instructions Nl & Ts

    OPERATION OPERATING INSTRUCTIONS FOR NL & TS SERIES 1. Grasp the captured operating handle and raise to 3. Push forward on operating handle against the rivet, its full extended length. rotating leveler out onto truck. 2. Move handle toward you, rotating center plate 4.

  • Page 27: Maintenance

    MAINTENANCE PERIODIC MAINTENANCE When maintenance is to be performed in front of the dock leveler, support the lip with the handle in the maintenance prop position OR by other means. Always post safety warnings and barricade the work area at dock level and ground level to prevent Put handle into maintenance prop position by removing unauthorized use of the dock leveler before bolt and locknut at base of handle assembly.

  • Page 28: Troubleshooting

    TROUBLESHOOTING Symptom Possible Cause Solution Unit does not operate Debris impacted on or Clean out debris on or around leveler properly around the leveler Insufficient lubrication Lubricate leveler Excessive weight on top of Remove weight from deck. deck Main springs need more Adjust main spring tension as needed tension or less tension Damaged or missing parts...

  • Page 29: Parts

    PARTS DL-X Series P O W E R A N C. L o a d i n g D o c k E q u i p m e n DL-X MODEL - BILL OF MATERIAL DRAWN BY CHECKED BY DATE 5/9/2 TOLERANCES...

  • Page 30: Nl-X Series

    PARTS NL-X Series Manual No. 4111-0025 March 2011 May 2012...
  • Page 31 PARTS ITEM SIZE/CAPACITY DESCRIPTION PART NUMBER (15”) LIP PART NUMBER (17”LIP) 6620/25 Lip Plate & Hinge Assembly DOTH-4047 DOTH-4048 6630 Lip Plate & Hinge Assembly DOTH-4049 DOTH-4050 6635 Lip Plate & Hinge Assembly DOTH-4051 DOTH-4052 7220/25 Lip Plate & Hinge Assembly DOTH-4053 DOTH-4054 7230...

  • Page 32: Ts Series

    PARTS TS Series 18 19 20 L o a d i n NL-RR MO DRAWN BY TOLERANCES (UNLESS OTHERWISE NOTED) FRACTIONAL: 1/32" DECIMAL: .00 = .01" .000 = .005" ANGULAR: This print is the property of Systems, I patent and other rights, including exclu not convey any permission to reprodu granted only by written authorization s Manual No.
  • Page 33 PARTS ITEM SIZE/CAPACITY DESCRIPTION PART NUMBER (15”) LIP PART NUMBER (17”LIP) 6620/25 Lip Plate & Hinge Assembly DOTH-4068 DOTH-4069 6630 Lip Plate & Hinge Assembly DOTH-4070 DOTH-4071 6635 Lip Plate & Hinge Assembly DOTH-4072 DOTH-4073 7220/25 Lip Plate & Hinge Assembly DOTH-4074 DOTH-4075 7230...

  • Page 34: Extension Spring Components

    PARTS DOTH-3618 Replacement Extension Spring Kits (Includes all parts listed below) Item Quantity Part Number Description DOTH-3620 Bar - Lip linkage DOTH-2061 1-1/2” Shoulder Bolt DOTH-2131 Nylon Lock Nut DOTH-3621 Bar - Base Linkage DOTH-2347 Pin - Linkage DOTH-2390 Roll Pin DOTH-2520 Spring, Extension, Reg., Painted DOTH-2209 Washer - Fender - Zinc Plated...
  • Page 35 PARTS DOTH-3630 Replacement Extension Spring Kits (Includes all parts listed below) Item Quantity Part Number Description DOTH-3620 Bar - Lip linkage DOTH-2061 1-1/2” Shoulder Bolt DOTH-2131 Nylon Lock Nut DOTH-3621 Bar - Base Linkage DOTH-2347 Pin - Linkage DOTH-2390 Roll Pin DOTH-2521 Spring, Extension, Reg., Painted DOTH-2209 Washer - Fender - Zinc Plated...

  • Page 36: Torsion Spring Components

    PARTS DOTH-3675 Torsion Spring Kit (Includes all parts listed below) Item Quantity Part Number Description DOTH-3305 L&R Gusset Assembly w/Bearing 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 Bar-Pivot DOTH-2033 HHCS - Grade 2 - Zinc Plated DOTH-2121...

  • Page 37: Current Vs 2005 And Older

    PARTS CURRENT VS 2005 and Older Item Quantity Part Number Description Bar - NL Extended Link Arm DOTH-3730 (pre 09/2005) NL SB Catch Assembly DOTH-3744 (pre 09/2005) Bar - NL Extend Link Arm DOTH-3585 (09/2005 - present) NL SB Catch Assembly DOTH-3586 (09/2005 - present) Manual No.

  • Page 38: Handle Options

    PARTS HANDLE OPTIONS Item Quantity Part Number Description DOTH-3752 NL Handle Assembly (Tube) DOTH-3769 NL Handle Assembly (Solid) DOTH-3691 NLII Handle Assembly (Formed) DOTH-3694 NLIII Handle Assembly Manual No. 4111-0025 March 2011 May 2012...

  • Page 39: Operating Link Options

    PARTS OPERATING LINK OPTIONS Item Quantity Part Number Description DOTH-3726 NL Operating Link Assembly DOTH-3696 NLIII Operating Link Assembly Operating Link Assembly for all 35K ITEM PART NO. DOTH-3697 units (not shown) DOTH-3726 NL OPERA DOTH-2449 Roller Bearing DOTH-3696 NLIII OPER DOTH-3834 NLIII ROLL PIPE...

  • Page 40: Bumper Components

    PARTS DBBS-3500 Complete 15” Projection Bumper Assembly DKIT-3540 Bumper & All Hardware (weldment not included) Item Quantity Part Number Description DOTH-3537 12” BB Weldment DOTH-3505 Rubber - Tuf-Cord DOTH-2056 Hex Head Cap Screw DOTH-2210 Wahser - Flat - Zinc Plated DOTH-2208 Washer - Flat DOTH-2129...

  • Page 41: Sliding Bumper Components

    PARTS DBBS-3512 Complete 15” Projection Sliding Bumper Assembly Item Quantity Part Number Description DOTH-3537 12” BB Weldment DOTH-3514 Angle - 12” BB Slide DOTH-3515 Bar - BB Sliding Stop DOTH-3517 12” Sliding BB Plate w/Rubber Manual No. 4111-0025 March 2011 May 2012...
  • Page 42 MISCELLANEOUS This page intentionally left blank Manual No. 4111-0025 March 2011 May 2012...

  • Page 43: Customer Information

    (A) becomes lost or Original Owner Information damaged. Name Also, write down DLM’s job number, the company that Address installed the dock leveler, and the original owner’s name. This will all help to identify the specific dock leveler if more information is required.

  • Page 44: Warranty

    STANDARD PRODUCT WARRANTY SYSTEMS, INC. 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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