RITE-HITE GWL-2300 Owner's Manual
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RITE-HITE GWL-2300 Owner's Manual

RITE-HITE GWL-2300 Owner's Manual

Vehicle restraint
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®
GWL-2300
Vehicle Restraint
SERIAL NO. GW231001 & UP
Owner's Manual
®
Printed in U.S.A. by RITE-HITE
Print Shop
Publication No. 1177
Copyright 2003 RITE-HITE
®
Febuary 2003

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Summary of Contents for RITE-HITE GWL-2300

  • Page 1 ® GWL-2300 Vehicle Restraint SERIAL NO. GW231001 & UP Owner’s Manual ® Printed in U.S.A. by RITE-HITE Print Shop Publication No. 1177 Copyright 2003 RITE-HITE ® Febuary 2003...

  • Page 2: Table Of Contents

    ® representative. The GWL-2300 vehicle restraint by RITE-HITE is intended to provide a safer workplace for workers in shipping and receiving dock areas. The GWL-2300 vehicle restraint is a restraint device that, when properly installed and operated, retains a secure connection between the truck and dock. Signal lights, warning horn and signs provide instructions to the truck driver and GWL-2300 vehicle restraint operator that a safe condition exists.

  • Page 3: Safety Warnings

    RITE-HITE ® does not recommend any particular lockout device, but recommends the utilization of an OSHA approved device (refer to OSHA regulation 1910.147). RITE-HITE ® also recommends the review and implementation of an entire safety program for the Control of Hazardous Energy (Lockout/Tagout). These regulations are available through OSHA publication 3120.

  • Page 4: Owner Responsibility

    RITE-HITE GWL-2300 Owner’s Manual OWNER RESPONIBILITY The owner should recognize the inherent danger As with any piece of machinery, dock equipment of the interface between dock and transport requires routine maintenance, lubrication, and vehicle. The owner should, therefore, train and adjustments.

  • Page 5: Definition And Function

    RITE-HITE GWL-2300 Owner’s Manual DEFINITION AND FUNCTION The GWL-2300 vehicle restraint is a truck and trailer The proper activation of the barrier and the locking locking system used to help secure trucks and trailers to mechanism is monitored by: the face of a loading dock. The engagement mechanism is positioned by the trailer as it approaches the loading Visual Controls –...

  • Page 6: Features

    Locking arm trolley assembly holds the locking arm The combination of these components are uses to assembly to the frame and houses the pawl assembly. control the function of the GWL-2300 Wheel Restraint and provide audio/visual communication to the dock attendant and the trailer driver.
  • Page 7 Maintenance Strut Storage Hooks Barrier Pawl Ramp Assembly Locking Arm Trolley Assembly Power Unit Enclosure Extension Springs Trigger Trolley Lifting Rails Assembly Hydraulic Trigger Cylinder Assembly Frame Assembly FIGURE 4 - FEATURES OF GWL-2300 Pub. No. 1177 - Febuary 2003...

  • Page 8: Installation Instructions

    The GWL-2300 vehicle restraint requires 120V, single 3. Install wheel guides. phase 60 Hz power and 5 amps of current. Four (4) GWL-2300 vehicle restraints can be hooked into one (1) 4. Install barrier ramp. 20 amp feeder circuit per the current N.E.C. Paragraph 5.
  • Page 9 “FEED BACK” through the circuit and could cause injury or damage electrical components. 68-1/2" TRENCH DRAINS 137" 1. If the GWL-2300 vehicle restraint crosses a trench Ref. drain parallel to the dock face, the drain grate must Dock Face be bridged with a 1/4"...
  • Page 10 RITE-HITE GWL-2300 Owner’s Manual INSTALLATION OVER A TRENCH DRAIN AND SHIMMING INSTRUCTIONS Locate Anchor Mounting Tabs On Both Sides Of Trench Drain If Welding To GWL-2300 Mounting Plate Is Not Possible. Typ. 1/4" Shim Material Is Required If Welding To GWL-2300 Frame Bar Plate...
  • Page 11 5' length of string, draw a large arc which begins well before and extends past where you 2. Position the GWL-2300 vehicle restraint along the B expect the centerline to be. See Figure 7. and C lines as shown in Figure 8. The front edge of the rear mounting plate should be aligned with Line 2.
  • Page 12 These operating instructions are intended for ALL DOCK PERSONNEL who are involved in loading/unloading trucks and trailers. GWL-2300 vehicle restraint is a safety system used to accommodate trucks and trailers with tire diameters ranging from 30" to 44", while the The locking arm is heavy.
  • Page 13 RITE-HITE GWL-2300 Owner’s Manual INSTALL ELECTRICAL COMPONENTS AND SIGNS 1. Mount control box, outside light box and signs as shown in Figure 11. 2. Run conduit from control box to outside light box When working with electrical or electronic and from outside light box to junction box. See controls, make sure that the power source has Figure 12.

  • Page 14: Wiring Diagram

    RITE-HITE GWL-2300 Owner’s Manual WIRING DIAGRAM To Customer Power Supply, 120V, 60Hz, 30 Amp Fused Disconnect With 10 Amp Non-Time Delay Fusing (Supplied By Others) Circuit Breaker RESET button Control Box Alternate Knockout For Inside Control Box Wiring To Customer...

  • Page 15: Electrical Schematic

    RITE-HITE GWL-2300 Owner’s Manual ELECTRICAL SCHEMATIC (STANDARD) to customer power supply, 120V, 60Hz, 30 amp fused disconnect with 10 amp ground non-time delay fusing lugs (supplied by others) motor power common module motor lock 1A, 250V control motor fuse unlock...
  • Page 16 RITE-HITE GWL-2300 Owner’s Manual ELECTRICAL SCHEMATIC (OPTIONAL NOTE: The standard wiring is not shown in this drawing to better show the option module wiring. For information on standard wiring, see previous page. power module circuit breaker reset button option module...
  • Page 17 RITE-HITE GWL-2300 Owner’s Manual OPERATING TEST The GWL-2300 vehicle restraint is now ready for the initial test procedure, which must be carried out prior to use of the device. Follow Operating Procedures, page Post safety warnings and barricade work area, at dock level and at ground level, to prevent unauthorized use of the dock position.

  • Page 18: Operating Procedures & Testing

    OPERATING PROCEDURES NO TRUCK PRESENT LOCKING A TRUCK/TRAILER If the GWL-2300 vehicle restraint is in the UNLOCKED It is assumed that the loading bay is empty (no truck). position (shaft assembly is down and stored in barrier The outside GREEN light and the inside RED light are ramp), the Light Communication System should give the flashing, the barrier is down.
  • Page 19 RITE-HITE GWL-2300 Owner’s Manual TRUCK LOCKED UNLOCKING A TRUCK/TRAILER If the GWL-2300 vehicle restraint is in the LOCKED In order to release the truck after completion of the position with the barrier up and the locking mechanism loading/unloading process, the UNLOCK pushbutton engaged properly, the Light Communication System must be pressed.
  • Page 20 RITE-HITE GWL-2300 Owner’s Manual TRUCK NOT PROPERLY LOCKED TRUCK NOT PROPERLY LOCKED, HORN In case the locking mechanism can not engage properly, SILENCED the alarm will sound. The outside and inside lights will show flashing RED. The light communication, alarm and truck position are shown in Figure 17.
  • Page 21 4. Do not use equipment until reassembled. During loss of power, the GWL-2300 vehicle restraint will not automatically disengage the vehicle being serviced. The truck must be manually released by the following method. See Figure 19.
  • Page 22 RITE-HITE GWL-2300 Owner’s Manual SNOW REMOVAL PROCEDURE Service Strut Wheel guides, locking arm assembly, trigger, or frame assembly may be buried underneath snow, thus not visible. Unseen obstructions may cause damage to equipment and/or bodily Engage Locking Arm Assembly With Service Strut harm during snow removal if they should come into contact with the snow removal equipment.

  • Page 23: Maintenance (Based On Typical Applications Of 8 Trucks Per Day)

    A safe work place requires all lights and the Both Sides horn to be working properly. DO NOT use GWL-2300 vehicle restraint if parts are broken or missing. Maintenance may be required more frequently at loading docks exposed to harsh...
  • Page 24 RITE-HITE GWL-2300 Owner’s Manual 180 DAYS 360 DAYS 1. Do all the Daily and 90 Day maintenance. 1. Do all Daily, 90 and 180 Day maintenance. 2. Tighten the anchor bolts to 100 ft-lbs. 2. Operate unit in (5) different places to ensure the locking mechanism engages properly.

  • Page 25: Troubleshooting

    RITE-HITE GWL-2300 Owner’s Manual TROUBLESHOOTING When working with electrical or electronic To prevent personal injury use extreme care controls, make sure that the power source has when working with electrically powered been locked out and tagged according to OSHA equipment. Follow all safety instructions.
  • Page 26 RITE-HITE GWL-2300 Owner’s Manual Sensing Switch Magnet (LED Off) (LED On) White Green (LED Off) (LED On) Black FIGURE 25 - SENSING SWITCH TEST AND SWITCH/BARRIER POSITION CHART SENSING SWITCH TEST PROCEDURE 1. Switch must be installed to test. Apply 12 VDC power to the green lead (black lead common).
  • Page 27 RITE-HITE GWL-2300 Owner’s Manual LED Inputs LED Outputs STORED (UNLOCKED) LOCKING LOCKED STORING (UNLOCKED) PAWL FAULT HORN SILENCED SWI = MAG RES 1 (LOCK) ISR = Inside Red Light SW2 = MAG RES 2 (UNLOCK) ISG = Inside Green Light...

  • Page 28: Horn Override Code And Diagnostics

    RITE-HITE GWL-2300 Owner’s Manual HORN OVERRIDE CODE AND DIAGNOSTICS SETTING HORN OVERRIDE CODE DIAGNOSTICS 1. Press and hold DIAGNOSTIC button until horn Diagnostic mode may be entered while the restraint is in chirps (approximately three seconds). any state. To enter diagnostic mode: 1.
  • Page 29 RITE-HITE GWL-2300 Owner’s Manual Steps 12 – 15 are used to test the mechanical Inputs and Outputs of the lock (i.e. motor, sensors, etc.). The horn will chirp when the controls enter Steps 12 – 15 to alert the operator to check the hook position. If the...

  • Page 30: Replacement Parts

    RITE-HITE GWL-2300 Owner’s Manual REPLACEMENT PARTS TRACK ASSEMBLY NOTE: Use locktite on screw. DO NOT over torque. Detail G Detail H Detail K 3, 4 NOTE: Use locktite on screw. DO NOT over torque. NOTE: Distance from back of nut to back of switch (wire end) is 5/16".
  • Page 31 RITE-HITE GWL-2300 Owner’s Manual REPLACEMENT PARTS LIST TRACK ASSEMBLY PARTS LIST Item Description Part Number Back Side Cover 106944 Maintenance Strut 106943 Hex. Cap Screw 1/4"-20 x 1/2" Long Stainless Steel 106939 Washer 1/4" Stainless Steel 106956 Front Side Cover 106947 Screw .250-20 x .875"...
  • Page 32 RITE-HITE GWL-2300 Owner’s Manual REPLACEMENT PARTS WHEEL GUIDES AND BARRIER RAMP FIGURE 31 - WHEEL GUIDES AND BARRIER RAMP Item Description Part Number Wheel Guide Long 100262 Barrier Ramp 107633 Anchor Bolt 5/8" x 4" 53150 Wheel Guide Short 100263...
  • Page 33 RITE-HITE GWL-2300 Owner’s Manual REPLACEMENT PARTS LOCKING ARM ASSEMBLY Locking Arm Assembly (Complete) FIGURE 32 - LOCKING ARM ASSEMBLY Item Description Part Number Locking Arm Assembly - Complete (Includes items 2-20) 106829 Retaining Ring 106844 Round Tube 3/8" Long 106842 Round Tube 14-13/16"...
  • Page 34 RITE-HITE GWL-2300 Owner’s Manual REPLACEMENT PARTS LOCKING ARM TROLLEY ASSEMBLY Locking Arm Trolley (Complete) 12 13 FIGURE 33 - LOCKING ARM TROLLEY ASSEMBLY Item Qty Description Part Number Locking Arm Trolley Assembly - Complete (Includes Items 2 - 19) 109234 Screw, Hex.
  • Page 35 RITE-HITE GWL-2300 Owner’s Manual REPLACEMENT PARTS PAWL ASSEMBLY Front View Side View FIGURE 34 - PAWL ASSEMBLY Item Qty Description Part Number Pawl Assembly - Complete 112584 Pawl Weldment 112585 UHMW Slider 112756 Snaggletooth 106922 Pawl Wear Pad 106934 Pop Rivet 106915 Hex.
  • Page 36 RITE-HITE GWL-2300 Owner’s Manual REPLACEMENT PARTS TRIGGER ASSEMBLY FIGURE 35 - TRIGGER ASSEMBLY Item Qty Description Part Number Trigger Assembly – Complete 106893 Trigger Weldment 106894 Round Tube 2-1/2" OD, 1-1/2" ID x 5-1/8" Long 106913 Cap Screw 1/4-20 x 2-1/4" Long Stainless Steel 106908 Shaft 1-7/16"...
  • Page 37 RITE-HITE GWL-2300 Owner’s Manual REPLACEMENT PARTS TRIGGER TROLLEY ASSEMBLY Trigger Trolley (Complete) FIGURE 36 - TRIGGER TROLLEY ASSEMBLY Item Description Part Number Trigger Trolley - Complete (Includes Items 2 - 13) 109233 Screw, Hex. Head 5/8-11 x 1-1/2" Long Stainless Steel 106935 Lockwasher 5/8"...
  • Page 38 RITE-HITE GWL-2300 Owner’s Manual REPLACEMENT PARTS ELECTRICAL REPLACEMENT PARTS FIGURE 37 - ELECTRICAL REPLACEMENT PARTS Pub. No. 1177 - Febuary 2003...
  • Page 39 CPU module – includes mounting hardware 113365 Options module, not included in STANDARD control box assembly 105448 Program configuration decal (Consult RITE-HITE for specific part) 107.xxx Full Load Amp and Voltage Decal (Consult RITE-HITE for specific part) 110.xxx Horn, 12VDC 57383 Wiring harness 105460...
  • Page 40 RITE-HITE GWL-2300 Owner’s Manual REPLACEMENT PARTS MISCELLANEOUS REPLACEMENT PARTS 8" 4" GWL-2300 ® Vehicle Restraint 10" SERIAL NO. G W231001 & UP Owner ’s Manual Printedin U.S.A.by RITE-HITE ® PrintShop PublicationNo. 1177 Copyright2003RITE-HITE® Febuary200 3 FIGURE 38 - MISCELLANIOUS REPLACEMENT PARTS...
  • Page 41 RITE-HITE GWL-2300 Owner’s Manual HYDRAULIC POWER UNIT PARTS 6, 7 Door Hinge on This Side (Removed for Clarity) 13, 16 8, 17 14, 4 Jam Nut Comes With Item #10 FIGURE 39 - HYDRAULIC POWER UNIT REPLACEMENT PARTS Item Qty...
  • Page 42 RITE-HITE ® in writing. In the event of any defects covered by this warranty, RITE-HITE ® will remedy such defects by repairing or replacing any defective equipment or parts, bearing all the costs for parts, labor, and transportation. This shall be the exclusive remedy for all claims whether based on contract, negligence, or strict liability.

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