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User`s Manual - Curlin, Inc.

1. AL HARPNCOTTERSS 34 ALL CYLINDER CHOCK EXTENSION BAR CHOCK ASSEMBLY 16 12 CHOCK ASSEMBLY 12 711 066 CHOCK ROLLER PIN A 2 SHIMS BY OTHERS COVER PLATE LOCK ASSEMBLY 711 056 HEAT TRACER IF ORDERED 061 620 1 THERMOSTAT ASSY FOR HEAT TRACER 061 787 1 LL LL LL LL LL LL LL LL LL LL LL R LL LL LL LL LL LL LL LL LL LL R LL LL 1 LL LL ES 2 2 AR 38 6004921 Wheel Restraint August 2013 2013 4 Engineered Solutions Inc PARTS LIST continued 32 ALL HYDRAULIC HOSE ASSY 6006639 33 ALL HYDRAULIC HOSE ASSY 711 228 34 ALL KIT CYLINDER SEAL NOT SHOWN 184 403 35 36 37 38 39 40 41 ALL HOSE EXTEND 10 NOT SHOWN 711 232 ALL PIN CHOCK 155 275 ALL WASHER LOCK 1 2 000 066 42 STRAIGHT THD ELBOW STD 031 120 43 SERIAL TAG 6009761 44 ALL SERCO LABEL 921 185 ALL KELLEY LABEL 921 186 STRAIGHT THD ELBOW LONG 031 447 ALL HOSE CLAMP 031 472 RSS ALL NLN 3 8 16 214 538 N August 2013 6004921 Wheel Restraint 39 2013 4 Engineered Solutions Inc PARTS LIST CONTROL BOX 44 SECONDARY 40 6004921H Wheel Restraint August 2013 2013 4Front Engin
2. gt lt Note Rotate head 5 15 Run three phase power wires from the fused disconnect from center to the control box 3 4477 16 Make connections to heat tracer if so equipped per steps 3 9 13 on page 26 17 The wheel restraint is now ready for start up and test Be sure to securely close the control box enclosure at this Conduit time to control Center line of door openin TRAILER PRESENT SENSOR OPTIONAL 3 The trailer present sensor senses a vehicle at the dock and transmits a signal to the control panel This turns on the panel Front View face AMBER light Mount the sensor See Fig 8 Ensure the sensor s logic switch is set to L O Light Operate The switch nS is located on the top of the sensor under a plastic cover Wire Building wall the switch Wire the sensor into the panel per the per the job specific schematic located in the panel Test for proper lt 34 48 ref gt operation as per below 315 370 OPERATIONS 4 2 No Trailer Present rigid Inside lights display Solid RED outside display GREEN conduit with Trailer Arrives dl d Inside lights switch to Solid AMBER and RED outside en lights continue to display GREEN 14 6 minimum above grade Operator engages vehicle restraint f Side View Inside lights switch to Solid GREEN outside lights switch to display RED Operator releases vehicle restraint Inside lights switch to Solid AMBER and RED outside li
3. our 2 9 ___ 9 2 SCRHEXHDCAPSe tex 008 5 5 1 04 1 VAVECHOCKSOLENOD WOCOL 9 cvav 1 VANE RELEASE SOLENOID WO COD ______ 0942 Per t E 6 2 COLCHOCKANDRELEASEVANE 69 N fe B Hydraulic Fluid all weather hydraulic fluid with a Exxon Univis HV13 N15 J13 viscosity of 15 CSt at 40 C 100 F such as Texaco Aircraft Oil 1554 Shell Tellus T 15 U S Oil Co Inc ZFI 5606 Low Temp Mobil Aero HFA 49011 46 6004921H Wheel Restraint August 2013 2013 4Front Engineered Solutions Inc PARTS LIST POWER UNIT DUAL CHOCK One on each side 6004921H Wheel Restraint 47 August 2013 red Solutions Inc 2013 4Front Enginee PARTS LIST POWER UNIT DUAL continued WHEEL RESTRAINT POWER UNIT 208 230 460V WHEEL RESTRAINT POWER UNIT 575V 1 RESERVOIR BODY 031 460 ELBOW STREET 90 3 4 NPT X 3 4 NPT 205 040 LOCKWASHER 1 2 000 066 RESERVOIR TOP PLATE 031 461 SUCTION STRAINER 031 152 PIPE NIPPLE 1 CLOSE 204 030 FEMALE PIPE ELBOW 3 4 X 1 031 450 NIPPLE 3 4 X 3 204 074 MALE CONN 031 451 LOCKWASHER 3 8 000 052 PUMP 031 157 COUPLING PUMP HALF 712 623 INSERT 712 624 COU
4. YMO 14 1 16 11 7 16 9 lt 6 5 16 lt 3 7 8 gt Quantity Part Description Part Number OUTSIDE SIGN NORMAL AND REVERSE LETTERING 709832 LIGHT ASSY COMPLETE 6007798 RED LED LIGHT ASSY 6007800 GREEN LED LIGHT ASSY 6007801 1 4 20 214161 75 CARRIAGE BOLT 1 4 20 X 1 1 4 213019 5 C OUTSIDE LIGHT ALARM ASSEMBLY 6009530 Included in item 2 Included in item 8 5 ALARM 061619 August 2013 6004921 Wheel Restraint 43 2013 4Front Engineered Solutions Inc PARTS LIST POWER UNIT SINGLE UNIT Reservoir gasket Eus J One on each side 44 6004921H Wheel Restraint August 2013 2013 4Front Engineered Solutions Inc PARTS LIST POWER UNIT SINGLE UNIT continued WHEEL RESTRAINT POWER UNIT 208 230 460V WHEEL RESTRAINT POWER UNIT 575V 1 RESERVOIR BODY 031 448 ELBOW STREET 90 205 040 LOCK WASHER 1 2 000 066 RESERVOIR TOP PLATE 031 449 SUCTION STRAINER 031 152 PIPE NIPPLE 1 CLOSE 204 030 ELBOW 3 4 1 031 450 NIPPLE 3 4 X 3 204 074 MALE CONN 031 451 LOCK WASHER 3 8 000 052 PUMP 031 157 COUPLING PUMP HALF 712 623 INSERT 712 624 COUPLING MOTOR HALF 712 625 GASKET 712 626 GASKET RESERVOIR COVER 712 627 ADAPTER P
5. fosa 6002556V7 6002557V7 575 5 0 5 3 9A 6002556V8 6002557V8 NOTE Use Class CC time delay fuses NOTE VISUALLY CONFIRM MOTOR TAG 30 6004921H Wheel Restraint August 2013 2013 4Front Engineered Solutions Inc WIRING DIAGRAMS continued TWIDO COMPACT CONTROLLER 14 DC IN 10 RELAY OUT PLC602 AGC FU602 6022 24 6021 0 25 OV 6031 DC IN COM OVERRIDE LIGHTS ONLY NORMAL OVERRIDE 6051 0 Y RESTRAINT OVERRIDE A 24V l FACTORY JUMPER 1 6061 RESERVED 2 2 2 besss L EE 6971 CHOCK PRESSURE REA SO 1400 PS 3 1 1 FACTORY JUMPER 6081 os RELEASE PRESSURE PUMP UNIT JUNCTION BOX JA 4 5 CHOCK Paen 6111 39 93 RESTRAINT ENGAGE CHOCK RELEASE PB612 gibi 7 RESTRAINT RELEASE 3 4 8 9 24 18 4 FACTORY JUMPER NOTE 1 614 Q DOOR CLOSED 24 FACTORY JUMPER NOTE 1 19 615 LEVELER STORED 11 VSL FAULT 12 24 12 1 E AUTOMATIC SNUGGING NOTE 2 PB018 E Tos STOP BUTTON OPTIONAL SENSOR DETA ooon a ea X CONNECT DEVICES AS REQU
6. Pull STOP button out Inside and outside lights will remain unchanged Inside light remains flashing RED Outside light remains flashing RED Press either CHOCK or RELEASE push button If the CHOCK button is pressed the chock will resume its previous sequence See previous section for details If the RELEASE button is pressed the Chock will store itself in the same manner as it does when releasing a vehicle After chock is stored inside lights will switch to steady RED Outside lights will switch to flashing GREEN The wheel restraint is now ready for use 6004921H Wheel Restraint 2013 4Front Engineered Solutions Inc August 2013 OPERATING INSTRUCTIONS continued JOG This feature will allow the restraint to be manually returned to the stored position using the RESTRAINT OVERRIDE switch and RELEASE push button in the event of certain restraint failures To initiate the Jog Mode rotate and hold the RESTRAINT OVERRIDE switch and press the RELEASE push button to retract the wheel chock See the Panel Communications table for details regarding panel lamp status TO MANUALLY RELEASE CHOCK NOTE In the event of a power failure the chock may be manually released to allow a vehicle to leave the dock 1 Push STOP button in Remove power at fused disconnect 2 Identify the manual release valve located on the valve block of the power unit See Fig 12 3 Themanual release valve is activated by pulling
7. push button in Remove power at the fused disconnect during all electrical or mechanical service Disconnect must be properly locked out during maintenance or service of equipment Failure to disconnect power may result in death or serious injury 1 None of the lights on the controller in the control box are on 1 1 Check that the fused disconnect switch is on 1 2 Check alltransformers and fuses See wiring diagrams on pages 28 34 DIAGNOSTICS The PLC continuously monitors system operation and will indicate when it is malfunctioning If an error occurs that could be potentially dangerous the restraint will halt operation and the inside panel lamps will display an indication of the error If a restraint fault has occurred Inside RED lamp is on Inside AMBER lamp is flashing a trouble code Fault alarm will sound Theunitwillattemptto return to the stored position when the RELEASE push button is pressed All other functionality is suppressed August 2013 6004921H Wheel Restraint 17 2013 4Front Engineered Solutions Inc TROUBLESHOOTING continued To identify the specific problem count the flashes of the AMBER lamp and compare the number to the table below The count sequence will be repeated until the cause of the restraint fault is corrected A two second pause between flash sequences is employed 2 An indicator light on an outside light or on the control box does not work 2 1 Che
8. L 1031 ua D MX M LEM 513 L BP L i LN WIRE LEGEND PANEL WIRING FIELD WIRING BY OTHERS PC BOARD TRACES NOTE TERMINALS WILL ACCEPT STRANDED 600 480 2407208V PRI WIRE ONLY PR SEC cA 2000 WIRE COLOR GAUGE NFPA xs lox TERMINAL BLOCK STRIP unless otherwise specified X2 AS BUILT LAYOUT PER PANEL 208 600VAC 14 BLK 120VAC 16 RED 0 24 120 24VAC 16 RED BLK s A IBi NEUTRAL 16 WHT FU109 GROUND GRN 24 0 18 BLU 24V COM OVDC 18 BLU WHT L2 INCOMING POWER 12VAC VDC 18 VIO 1 1092 13 12V COM 18 VIO WHT H DRY UNPOWERED 18 YLW Wee etie A GROUP 600 480 240 111 2 120 24V SEC X 200 7011 7021 X3 X1 1 151 LEVELER MOTOR WIRING DETAILS 2 200 240 THREE PHASE 50 60HZ 7001 3B PS2 ov COMMON RD WH 12 SNUGGING BK 13 ja RESTRAINT ENGAGED 18 DOOR CLOSED 19 LEVELER STORED NOTE VISUALLY CONFIRM MOTOR TAG R5 SE MOTION ALERT 380 480V THREE PHASE 50 60HZ RT USE HED 24VAC GN R8 OUTSIDE GREEN from 700 RD R9 OUTSIDE COMMON 7001 120VAC NEUTRAL WH SV1 CHOCK SOLENOID from 701 from 702 BK i 7011 7021 sv2 RELEASE SOLENOID NOTE VISUALLY CONFIRM MOTOR TAG wall NEUTRAL 600V THREE PHASE 60HZ VOLTAGE KELLEY P N ay GND_LUG 208 16A 6002556V4 6002557V4 I 240 15 8 6002556 5 6002557 5 2 480
9. e PLL 2013 4Front Engineered Solutions Inc PARTS LIST CONTROL BOX continued Control Box Part Number Serco 6002556v4 6002556v5 6002556v6 6002556v7 6002556v8 Kelley 6002557v4 6002557v5 6002557 6 6002557v7 6002557v8 Prem Parte Tao S fosan ov Fuse eva Ros Tve oed WE Lees 2 AMP 240V FUSE MDA 2 TIME DELAY 6009549 FU234 FU235 FU241 FU119 37 240V FUSE MDA 3 TIME DELAY 1 1 40 ALARM 24VAC 1 1 _ eb _ 41A SERCO LABEL 6004920 41B KELLEY LABEL 6004919 sa 44 feos J LE EU e F 46 LENS ONLY RED RECTANGULAR 1 1 1 1 1 8300 47 LENSONLY AMBER RECTANGULAR 1 1 1 1 8202 48 LENS ONLY GREEN OVAL 1 1 1 1 4600 ____ 49 Lens 1 1 1 1t 1t esim ease werten f p L mao Note Items 44 and 45 used on Dual Pump Systems with separate panels only 42 6004921 Wheel Restraint August 2013 2013 4 Engineered Solutions Inc PARTS LIST RED GREEN LIGHT lt CAUTION 24 ONLY Wo
10. and electrical runs This site planning will be done best with the participation of all involved parties Contractor Installer Electrician End User etc The resulting survey will be the map for laying out the installation in the following steps Careful planning is the key to trouble free installation 2 Locate and mark the centerline of the doorway or dock position onto the drive according to the following steps See Fig 1 on the following page 2 1 Locate and mark the centerline of the dock position onto the dock surface Extend the marking down the face of the dock to the driveway with a plumb bob or level 2 2 Project the centerline of the dock position out onto the driveway by marking the wall or dock face at dock level 5 ft on either side of the centerline of the dock position Hold one end of a 50 ft tape measure at the right side mark and pull the tape out to 35 ft Sweep an arc across the centerline of the position at 35 ft and hold the end of the tape measure at the left side mark Sweep another 35 ft arc from the left side The intersection of the two arcs is the centerline of the dock position out on the driveway 2 3 Pullastring line tight between the centerline of the dock position at the base of the dock and the intersection marked above Use the string as a guide and mark the driveway This line is the centerline of the dock position Locate and mark the centerline of the housing onto the drive by tran
11. box with the power on USE EXTREME CAUTION Do not place fingers or uninsulated tools inside the control box Touching wires or other parts inside the control box could result in electrical shock death or serious injury August 2013 6004921H Wheel Restraint 3 2013 4Front Engineered Solutions Inc INSTALLATION A WARNING Before installation read and follow the Safety Practices on page 3 Failure to follow these safety practices could result in death or serious injury READ AND FOLLOW THE OPERATION INSTRUCTIONS IN THIS MANUAL BEFORE OPERATING THE WHEEL RESTRAINT If you do not understand the instructions ask your supervisor to teach you how to use the wheel restraint Improper installation of the wheel restraint could result in death or serious injury to dock workers or other users of the wheel restraint Place barricades around pit on dock floor and drive while installing maintaining or repairing trailer restraining device Be certain bystanders in the driveway stand clear when wheel restraint is operated Be certain to follow the installation instructions in this manual PRELIMINARY CHECKS 1 Confirm the site survey done prior to order Follow the Site Survey Form 10 763 instructions and requirements This survey will confirm or establish unit location and elevation requirements drainage system and location power unit location control box and light locations and finally location of hydraulic
12. clearance under the vehicle throughout the entire chock path 2 Press CHOCK button 3 Inside light will switch from steady RED to flashing RED 4 Outside lights will switch to flashing RED 5 When vehicle is properly chocked the RED flashing inside light will switch toa GREEN steady light Outside light will remain flashing RED If vehicle cannot be chocked inside RED and AMBER lights will flash and the fault alarm will sound Ifthis occurs 5 1 Make certain vehicle brakes are set 5 2 Manually chock vehicle tires 5 3 Select RESTRAINT OVERRIDE 5 4 Inside lights will switch to steady AMBER and GREEN and the fault alarm will silence 5 5 Outside lights will remain flashing RED 6 Vehicle may now be loaded unloaded 6004921H Wheel Restraint 21 2013 4Front Engineered Solutions Inc OPERATING INSTRU CTIONS continued TO RELEASE VEHICLE 1 Store dock leveler If present remove manually placed chock Press RELEASE button Inside light will switch to flashing RED Outside light will flash RED After Chock is stored inside lights will switch to steady RED Outside lights will switch to flashing GREEN Vehicle may now pull out TO STOP CHOCK NOTE Chock travel may be stopped at any time during its travel 1 2 9 Press STOP button Inside RED light will flash at a slow rate to indicate a stopped condition Outside RED light will flash TO RESTART CHOCK 1 2 22
13. connections See that they are secure enough to retain their position and integrity during the pouring and tamping of the concrete Some blocking may be necessary 7 See that there are no areas of the drainage system that can be plugged by the concrete when it is poured Seal these areas as necessary to assure proper drainage after the completed installation 8 Remove bolted on lifting lugs NOTICE Concrete can now be poured If the excavation has been made according to the accompanying dimensions approximately 3 3 4 cubic yards have been excavated The housing displaces approximately 1 1 4 cubic yards This leaves approximately 2 1 2 cubic yards to be filled with concrete However be sure to provide for any additional concrete necessary for feathering to the drive or spot fills The entire concrete pour must be completed in one pass in order to assure a solid foundation for the wheel restraint 9 Begin pouring concrete into the excavation Start at one end and carefully fill and tamp the concrete into the cavity under the housing Vibrating the wet concrete is a good way of eliminating air pockets and assuring a solid foundation Periodically place reinforcing rods into the concrete under the housing See Fig 3 on the following page 10 When an area underneath the housing is filled and well vibrated place reinforcing rod next to the housing and continue to fill the cavity up the sides Be especially careful to flow t
14. the handle onthe release valve out The handle must be continuously held to keep the valve activated Stay clear of the chock while it is being returned to the stored position Failure to do so may result in death or serious injury 4 While someone is holding the release valve out slide the chock back along the track until it is in the stored position by SLOWLY pulling the vehicle forward 5 Release the manual release valve and reapply power at the fused disconnect after chock is in pocket TO RESTART CHOCK AFTER MANUAL RELEASE 1 on power at fused disconnect 2 Pull STOP button out 3 Press RELEASE button 4 The wheel restraint is now ready for use August 2013 To activate pull handle Fig 12 Manual release valve handle 6004921H Wheel Restraint 23 2013 4Front Engineered Solutions Inc PLANNED MAINTENANCE A WARNING Do not service this product unless you have read and followed the Safety Practices Warnings and Operation instructions contained in this manual Failure to follow these safety practices could result in death or serious injury After checking lights be certain lights are returned to the proper display If no vehicle is at the dock or the vehicle is not chocked the RED inside light should be lit and GREEN outside light should be flashing If a vehicle is at the dock and wheels are chocked the GREEN inside light should be lit and the RED outside light should b
15. warranty 4FRONT ENGINEERED SOLUTIONS INC disclaims any responsibility or liability for any loss or damage including without limitation direct indirect or consequential damages or lost profits or production time that results from the use of unauthorized replacement parts or modification of the VEHICLE RESTRAINT 4FRONT ENGINEERED SOLUTIONS INC sole obligation with regard to a VEHICLE RESTRAINT that proves to be deficient in material or workmanship shall be as set forth in its standard warranty above i e 4FRONT ENGINEERED SOLUTIONS INC will at its option repair or replace the VEHICLE RESTRAINT or portion thereof without charge to the purchaser This limited warranty does not cover any failure caused by improper installation abuse negligence or failure to properly maintain and adjust the VEHICLE RESTRAINT This limited warranty will be void or of no effect if the original purchaser does not notify AFRONT ENGINEERED SOLUTIONS INC warranty department within ninety 90 days after the product deficiency is discovered Parts requiring replacement due to damage resulting from vehicle impact abuse or improper operation are not covered by this warranty 4AFRONT ENGINEERED SOLUTIONS INC disclaims any responsibility or liability for any loss or damage that results from the use of unauthorized replacement parts or modification of the VEHICLE RESTRAINT THERE ARE NO WARRANTIES EXPRESS OR IMPLIED WHICH EXTEND BEYOND THE DESCRIPTION ON THE F
16. 0 NEUTRAL BONDED VIA JUMPER SECONDARY PANEL NOTE THIS INTERLOCK MUST BE MADE IN THE PRIMARY PANEL ONLY Wo 5 5 2 5552 5555 32 6004921 Wheel August 2013 2013 4Front Engineered Solutions Inc Fig 16 REL MOTOR LEADS August 201 EAS E SOLENOID VALVE SV2 3 SINGLE CHOCK PUMP a JUNCTION BOX CHOCK SOLENOI VALVE SV1 D CHOCK PRESSURE OIL 22 SWITCH PS1 1400 psi RELEASE PRESSURE SWITCH PS2 1500 psi m SIGHT GLASS LEVEL HYDRAULIC POWER UNIT 6004921H Wheel Restraint 33 2013 4Front Engineered Solutions Inc DUAL CHOCK PUMP Fig 17 MANIFOLD 2 gt JUNCTION BOX EN CHOCK SOLENOID gt s VALVE SV1 i SN RELEASE SOLENOID S1 0 VALVE SV2 gt CHOCK PRESSURE SWITCH PS1 1400 psi MOTOR LE RELEASE PRESSURE SWITCH PS2 1300 psi Lm MANIFOLD 22 SIGHT GLASS OIL LEVEL HYDRAULIC POWER UNIT 34 6004921H Wheel Restraint August 2013 2013 4Front Engineered Solutions Inc HYDRAULIC SCHEMATIC SINGLE CHOCK PUMP Chock pressure switch 1400 PSI Manual TE Extend Release ur solenoid pressure valve valve switch 1300 PSI Valve check block Release solenoid Check valve Primary r
17. 001 MDA 7 0952125 727 X 7271 R8 7022 NEUTRAL TT yg GREEN 709 OUTSIDE LIGHT I CONTROL RELAY N 7021 e DV729 G 7291 7292 RECTIFIER RY OUT iB MDA ae COM O ee E UE gie cf OUTSIDE WARNING ALARM T 7051 RESTRAINT CONTACTOR 1706 2 706 4 NSIDE RED A DICATOR 1 707 L1707 AY SIDE_ AMBER AM INDICATOR 2 4708 708 INSIDE GREEN zS DICATOR CR709 x 709 OUTSIDE LICHT x O 1 CONTROL RELAY RY OUT COM 1 0752 t 4 run R SV1 tu FAIZ NN SV So HEP HOCK_ VALVE 19w CYLINDER EXTENDS WHEN ON MDA 5 FU712 R SV2 LN 302 PUMP UNIT RELEASE VALVE 19w CYLINDER RETRACTS WHEN ON M1 2 n31 HEN 7132 gestRAINT 9 CONTACTOR NO x01 x02 x03 731 x 1 5 2 7141 I AH714 M FAUL RY OUT ALAR ee x i 8 5 8 C C C C COM 3 E 7171 14 to 724 7021 ENGAGED OVERRIDE 9 SIGNAL oe eee E E 7181 7182 13 eee ty A OG 7 OPTIONAL 7777771 OVE Se Sip Se De 1 Lto 724 FU3 SHARED Pun LEGEND Tow INTERLOCK MEN PUMP UNIT PANEL WIRING PART OF KIT JUNCTION FIELD WIRING others HIS AUXILIARY CONTACT LOCATED 900 19
18. 004921 Wheel Restraint 9 2013 4Front Engineered Solutions Inc IN STALLATION continued FINAL INSTALLATION NOTE The following instructions cover the standard power supply and controls supplied with the Trailer Restraint If special controls features or interlocks are part of this installation refer to the manuals or prints related to those features for specific instructions 1 Ifthe hydraulic power supply is to be wall mounted secure the mounting bracket to the wall with suitable anchors Position the hydraulic power supply in the chosen location Be sure to orient the unit so that the side with the level sight glass is clearly visible and the filler cap on top is easily accessible Six 6 inch clearance between the wall and hydraulic power supply is required to allow for hose routing and hook up on the side where the hydraulic connections are made See Fig 4 If the unit is wall mounted secure the unit to the bracket through the holes provided in the base If the unit is floor mounted it can be lagged to the floor if so desired Mount the control panel on drivers side of the dock so that the communication lights are visible to the fork truck driver Mount outside communication lights alarm and sign so that they are visible to the vehicle driver Refer to the installation drawing for recommended dimensions Make sure the Red light is on top and the Green light on the bottom when the light assembly is mo
19. ACE HEREOF AND THERE IS NO WARRANTY OF MERCHANTABILITY OR OF FITNESS FOR A PARTICULAR PURPOSE 4FRONT ENGINEERED SOLUTIONS INC warranties extend only to the VEHICLE RESTRAINT itself 4FRONT ENGINEERED SOLUTIONS INC DISCLAIMS all warranties express or implied responsibility or liability for loss or damage of any kind associated with the installation or maintenance of the VEHICLE RESTRAINT including any liability for premature product wear product failure property damage or bodily injury arising from improper installation or maintenance of the VEHICLE RESTRAINT August 2013 6004921H Wheel Restraint 51 2013 4Front Engineered Solutions Inc Please direct questions about your wheel restraint to your local distributor or to 4Front Entrematic Corporate Head Office Your local distributor is 1612 Hutton Dr Suite 140 Carrollton TX 75006 Tel 972 466 0707 Fax 972 323 2661 2013 4Front Engineered Solutions Inc Part No 6004921H
20. Automatic Wheel Restraint In Ground Mounted This manual applies to all wheel restraints manufactured August 2013 and later with serial number 61087800 and higher User s M Do not install operate or service this product unless se r s a n u a you have read and understand the Safety Practices Instal ation Op e rations Warnings and Installation and Operating Instructions contained in this User s Manual Failure to do so could Maintenance and Pa rts result in death or serious injury Part No 6004921H TABLE OF CONTENTS 2 Safety Signal Words 2 rd n 3 4 Trailer Presence Sensor Optional 13 Start Up And 14 Troubleshooting 17 Operating Instructions 21 Planned 24 Heat Tracer Installation 25 Lights Alarms Status Table 27 Specifications 28 Wiring Diagrams 29 Hydraulic Schematic Single
21. Chock Pump 35 Dual Chock 36 Parts deo XE RI Ru ERR ER 37 Parts List Control BOX 40 Parts List RED GREEN Light 43 Parts List Power Unit Single Unit 44 Parts List Power Unit Dual Chock 47 Warranty a S 51 Distributor Information 52 INTRODUCTION Welcome and thank you for buying this wheel restraint from 4Front Engineered Solutions Inc This User s Manual contains information that you need to safely install operate and maintain the wheel restraint safely It also contains a complete parts list and information about ordering replacement parts Please keep and read this User s Manual before using your new wheel restraint This manual covers the Serco Universal Truck Chock and the Kelley AUTO wheel restraints SAFETY SIGNAL WORDS You may find safety signal words such as DANGER WARNING CAUTION or NOTICE throughout this Owner s Manual Their use is explained below This is the safety alert symbol It is used to alert you to potential personal injury hazards Obey all safety messages that follow this symbol to avoid possible death or injury Indicates an imminently hazardous situation which if not avoided will result in death or serious in
22. IRED F SEE NOTE 3 LEGEND DOOR CLOSED PANEL WIRING aN P EN 18 i CE FIELD WIRING BY OTHERS T en NOT i sz Er ss Ife lc qd LIGHT OPERATE 1 LEVELER STORED PHOTOEYE amp dg 616 L Blu o or NOTES L BRN 01 Of 8LK 4 1 TYPICAL INSTALLATION DRY CONTACT S LOCATED IN DOOR CONTROLLER CONSULT DRAWING 6001045 FOR ADDITIONAL OPTIONS SERCO STYLE DEVICE SHOWN 2 AUTOMATIC SNUGGING INSTALL A JUMPER WIRE TO ENABLE CHOCK SNUGGING DEFAULT NO JUMPER CONSULT FACTORY FOR ADDITIONAL OPTIONS 3 FIELD DEVICES ARE SHOWN HERE FOR CLARITY SEE LEFT SIDE OF DRAWING FOR PLACEMENT INFORMATION AND ADDITIONAL DETAIL August 2013 6004921H Wheel Restraint 31 2013 4Front Engineered Solutions Inc WIRING DIAGRAMS continued 7001 to x21 x 1 5 Mom Tiron m LAMP PACKAGE 24VAC 7021 24 LED DV725 7011 1725 DAC gt m rN a ae RED 7011 PLC202 SER 7
23. NSULATOR SCREW NYLON 125x34 NS 6 6 e 6 6 j600533 18 2 2 2 2 2 sos ___ 19 LEDAMEER 2 2 2 2 2 j eexe ___ LOU MEBGREEN a 5 9 3 2 21 PUSH BUTTON UNIVERSAL 2 2 2 2 2 6000506 211 212 22 PUSH PULLBUTTON RED 40MM 1 1 1 1 1 632215 PB218 23 SWITCH SPRINGRETURNLEFTL 2POS 1 1 1 1 1 632219 SS205 2 4 a 4 4 oss 25 CONTACTBLOCK NORMALLY OPEN 2 2 2 2 2 68222 ___ 26 CONTACT BLOCK NORMALLYCLOSED 2 2 2 2 2 632229 27 OPERATING STICKER NOTSHOWN 1 1 1 __ 28 PLAIN MARKER NOTSHOWN 1 1 6000540 29 JUMPER AR AR 28 30 TERMINAL 2 CONDUCTOR 34 34 34 600542 31 ENDSTOPSCREWESS 3 3 3 3 3 j 60049 32 25A600VFUSEFNO R25TIMEDELAY 2 6012057 FU108 Cm senres mere August 2013 6004921H Wheel Restraint gt fed gt gt 5 gt gt gt gt gt gt gt gt gt _ _ 1 1 1 1 1 N N N N N N N N N N N N N N N IN _ so 5 5 a so a j Ek
24. P 1 2 TB 206 554 51 TUBE ASSY 1 2 031 466 52 FILLER BREATHER 031 455 53 BOLT 3 8 16 X 1 1 2 000 021 54 WASHER LOCK HIGH COLLAR 5 16 131 452 55 SERCO LABEL 921 185 KELLEY LABEL 921 186 56 15 GAL HYDRAULIC FLUID 152 002 Hydraulic Fluid An all weather hydraulic fluid with a Exxon Univis HV13 N15 J13 viscosity of 15 CSt at 40 C 100 F such as Texaco Aircraft Oil 1554 Shell Tellus T 15 U S Oil ZFI 5606 Low Temp Mobil Aero HFA 49011 August 2013 6004921H Wheel Restraint 49 2013 4Front Engineered Solutions Inc PARTS LIST POWER UNIT DUAL continued item Quantity Assy _ PatNumber 58 2 CAPSCREW HD 3 8 16 X 1 LG 5 1 062 _ 1 INTERLOCK SOLENOID VALVE WO COL 03406 61 1 RELEASE SOLENOID VALVE WO COL 0342 e2 2 FOR RELEASE AND CHOCK vve 1 sMockseeomvawEWIoCOL 9 1 FOR INTERLOOK SOLENOID VALVE owe Lm E 66 1 PILOT CHECK VALVE 031 406 67 1 WALL MOUNT BRACKET NOT SHOWN 712 468V Hydraulic Fluid An all weather hydraulic fluid with a Exxon Univis HV13 N15 J13 viscosity of 15 CSt at 40 C 100 F such as Texaco Aircraft Oil 1554 Shell Tellus T 15 U S Oil ZFI 5606 Low Temp Mobil Aero HFA 49011 50 6004921H Wheel Restr
25. PLING MOTOR HALF 712 625 GASKET 712 626 GASKET RESERVOIR COVER 712 687 ADAPTER PUMPIMOTOR 712 628 TERMINAL STRIP 061 746 6006637 MOTOR 208 230 460V 712 629 6006638 MOTOR 575V 712 630 TUBE ASSY 031 462 FITTING 206 271 TUBE ASSY 031 463 ELBOW 206 221 MANUAL RELEASE VALVE 031 169 ADAPTER 031 121 031 133 _ Hydraulic Fluid An all weather hydraulic fluid with a Exxon Univis HV13 N15 J13 viscosity of 15 CSt at 40 C 100 F such as Texaco Aircraft Oil 1554 Shell Tellus T 15 U S Oil ZFI 5606 Low Temp Mobil Aero HFA 49011 48 6004921H Wheel Restraint August 2013 2013 4Front Engineered Solutions Inc PARTS LIST POWER UNIT DUAL continued 27 4 TUBE REDUCER 031 171 28 2 SWIVEL NUT RUN TEE 6006570 29 2 CROSS 031 172 30 SCREW HD SLTD 10 24 X 3 4 LG 131 238 31 HOSE 061 745 32 CORD GRIP 061 743 33 JUNCTION BOX 712 631 34 FITTING CONDUIT STRAIGHT 061 744 35 CAPSCREW SOCK HD 5 16 18 X 3 1 2 LG 131 450 36 SUBPANEL JUNCTION BOX 712 632 37 PLATE JUNCTION BOX MTG 155 511 38 PLATE SPACER 155 512 39 PRESSURE SWITCH 6011855 40 MOLDED CABLE 6011856 41 PLUG 8 031 434 42 SNUBBER 031 177 43 NIPPLE PIPE 1 2 X 10 031 453 44 VALVE MANIFOLD ASSY INCLUDES ITEMS 59 66 6004918 45 STR CONNECTOR 031 122 46 HOSE ASSEMBLY 031 464 47 CAPSCREW HEX HD 1 2 13 X 1 1 2 LG 000 008 48 TEE MALE RUN 031 465 49 TEE MALE RUN 1 2 TB 031 390 50 CA
26. RT A means has been provided to retrieve the stored measured value from memory If there is no value stored the reading will be zero by default This zero value will be present if no successful calibration has yet been performed In the event of a user terminated calibration attempt this value will be set to a value greater than the full stroke time The controller will use a default timer value during program operation when no calibration has been performed To retrieve the stored measured oylinder travel time ensure the STOP button is pushed in then simultaneously press and hold the CHOCK and RELEASE pushbuttons for 3 seconds The GREEN inside light will be used to display the calibration value seconds in Morse code The value will be repeated indefinitely NOTE To halt the display pull the STOP button out MORSE CODE International Morse code is defined as follows Digit Morse Digit Morse 0 5 1 e 6 o 2 e 7 3 8 4 9 If the duration of a dot is taken to be one unit then that of a dash is three units The space between the components of one character is one unit between characters are three units and between words are seven units The display will begin with the 10 s digit followed by the 1 s digit and then repeat CALCULATED AND DEFAULT TIMER VALUES The cold boot default timer value is 27 secon
27. UMP MOTOR 712 628 TERMINAL STRIP 061 746 MOTOR 208 230 460V 712 629 MOTOR 575V 712 630 TUBE ASSEMBLY 031 452 CAP 1 2 TUBE 206 554 SERCO LABEL 921 185 KELLEY LABEL 921 186 ELBOW 206 221 SCREW PAN HD SLTD 10 24 X 3 4 131 238 MANUAL RELEASE VALVE 031 169 ADAPTER 031 121 TUBE REDUCER 031 171 CROSS 031 172 SWIVEL NUT RUN TEE 6006570 JUNCTION BOX 712 631 CORD GRIP 061 743 SCREW SOCK HD 5 16 18 X 3 1 2 131 450 August 2013 6004921H Wheel Restraint 45 2013 4Front Engineered Solutions Inc 6006635 6006636 ALLASSY S N PARTS LIST POWER UNIT SINGLE UNIT continued item Quantity Assy Description PatNumbe 3 e _ ee WASHER LOCK 5 16 HI COLLAR 35 SUBPANEL 36 1 VALVE AND MANIFOLD ASSY INCLUDES ITEMS 66 62 2 60 3 2 _ __ 65 3 swmR 048 4 2 02 4 12 12 00008 1 o 3 RULER BREATHER 09 46 e CAPSCREWHEXHD 38 ioxidz fO 2 FWTNG CONDUTSTRAGHT m 48 1 WALMOUNTBRACKETINOTSHOWN 74225 HYDRAULIC OG
28. a follows 3 1 Note the condition of the control panel s indicator lights The RED light will likely be flashing upon initial power up This indicates a pre operational condition If it is solid RED proceed to step 5 3 2 Pull the STOP button out then press and hold the RELEASE button The motor should run long enough to bring RELEASE pressure up which will reset the system and illuminate the panel s RED light solid If successful proceed to step 5 14 6004921H Wheel Restraint 2013 4Front Engineered Solutions Inc August 2013 3 3 Ifthe chock is stored and the motor continues to run press the STOP button to stop the motor and perform the following checks 3 3 1 Verify proper operation of the valves for the RELEASE function While the motor is running check for magnetism at the solenoid coils SV2 should be energized If the shared pump option is being employed SV3 must also be energized SV1 must NOT be energized If solenoids are not properly energized refer to the troubleshooting section of this manual to determine the cause of the malfunction 3 3 2 If SV2 and SV3 ifapplicable are properly energized while SV1 is NOT energized and the chock moves toward the chocked position swap hydraulic hoses at C1A and C2A and repeat step 3 2 Allow enough time while holding the RELEASE button for the chock to return to its stored position 3 3 3 If the chock is seated in the stored position and does not move moni
29. acer and rendering it unusable 8 Secure the remainder of the heat tracer against the cylinder to the back of the housing Pilot Thermostat light housing 9 Secure the end of the heat tracer nearest to the dock with k m tie wraps or other suitable means Make sure the tracer is position where the cylinder or any other moving part will not come into contact with it 10 Pull the free end of the cable though the conduit and out of the housing 11 Replace the chock chock track assembly and all access covers AER Line 12 Wire the heat tracer and pilot light in the thermostat housing Neutral see Fig 14 set the thermostat at 40 50 degrees F and _ test the heat tape and chock for proper operation Make E sure the pilot light turns on when the thermostatturns the heat tape on The pilot light becomes visible indication of proper heat tape operation 13 Powerforthe heat tape is separate from the wheel restraint Bue control box It requires a separate 115V power source Locate near with 7 5 amp fuse with GFI protection recommended outside lights protected provided by others see Fig 15 NU from direct To heat tape sunlight located in chock housing 26 6004921H Wheel Restraint August 2013 2013 4Front Engineered Solutions Inc LIGHTS ALARMS STATUS TABLE Table 1 descri
30. aint August 2013 2013 4Front Engineered Solutions Inc LIMITED WARRANTY 4FRONT ENGINEERED SOLUTIONS INC warrants that this VEHICLE RESTRAINT will be free from flaws in material and workmanship under normal use for a period of one 1 year from the earlier of 1 60 days after the date of initial shipment 4FRONT ENGINEERED SOLUTIONS INC or 2 the date of installation of the VEHICLE RESTRAINT by the original purchaser provided that the owner maintains and operates the VEHICLE RESTRAINT in accordance with this User s Manual In the event that this VEHICLE RESTRAINT proves deficient in material or workmanship within the applicable limited warranty period 4FRONT ENGINEERED SOLUTIONS INC will at its option 1 Replace the VEHICLE RESTRAINT or the deficient portion of either without charge to the owner excluding any cost of removal or reinstallation which shall be the sole responsibility of the purchaser or 2 Alter or repair the VEHICLE RESTRAINT on site or elsewhere without charge to the owner The limited warranty stated in the preceding paragraph IS EXCLUSIVE AND IT IS IN LIEU OF ANY OTHER GUARANTEES AND WARRANTIES EXPRESS OR IMPLIED The limited warranty does not cover any failure caused by improper installation abuse negligence or failure to maintain and adjust the VEHICLE RESTRAINT properly Parts requiring replacement due to damage resulting from vehicle impact abuse or improper operation are not covered by this
31. bes the state of the lights and alarms during the normal operating modes of the wheel restraint Restraint Position Inside Inside Inside Fault Red Amber Green Alarm Home Stored Moving no fault present Stopped Chocked Restraint Override Jog Mode manually initiated Table 2 describes the effects on the loading lights when interconnected to a VSL Vertical Storing Leveler VSL Position Inside Inside Horn Amber Restraint Chocked Red Green VSL Pilot VSL Error overload or simultaneous nc nc nc f f float and stored condition Special case restraint fault NOTE stored An outside mounted motion alarm sounds whenever the motor is running to warn personnel of a hydraulic ram that f flashing is in motion fs flashing at slow rate nc no change Outside lamp flashes GREEN only when all conditions are safe for the vehicle to arrive or depart i e restraint and leveler stored with no alarms present It flashes RED by default August 2013 6004921H Wheel Restraint 27 2013 4Front Engineered Solutions Inc SPECIFICATIONS CHOCK SIZE CHOCK TRAVELIPOSITION Engagement Radius 21 Minimum Working Position with respect to dock 40 Height s 12 or 16 Minimum Working Position with respect to end of housing 34 Length 13 25 Maximum Working Position with respect to dock 196 Width 12 Maximum Working Position with respect to end of housing 190 Clear Positio
32. ck for power across LED wires 2 2 If no power is present check all wires fuses and transformers leading to the lights 2 3 If power is present and light does not light replace the LED see parts list pages 41 42 The system s controls operate properly but the motor does not operate 3 1 Check the overload relay 3 2 The overload is factory preset to automatically reset in the event of an over current condition If the overload relay has tripped it will be indicated 3 3 Wait 1 2 minutes for the overload device to cool and normal operations will be restored A fault is issued by a solid RED light accompanied by the AMBER light flashing a count Fault alarm will sound 4 1 The chock is traveling too slowly A stroke calibration procedure should be performed See page 20 TROUBLE CODE DEFINITIONS Trouble Code Trouble Definition PS1 and PS2 on at the same time Travel limit reached with no chock pressure detected indicates full cylinder stroke Motor run timeout exceeded Chock pressure sensed too early 18 6004921H Wheel Restraint August 2013 2013 4Front Engineered Solutions Inc TROUBLESHOOTING continued INPUT SIGNALS Restraint Override momentary selector switch NC Reserved PS1 Chocking pressure switch ON PS2 Release pressure switch ON Reserved Reserved CHOCK button depressed RELEASE button depressed Door opened N A for standard panel applications Door closed 10 Level
33. ck in the chocked position cylinder fully extended ensure the STOP button is out and press the RELEASE button The chock should move toward the stored position and store itself The time required to store the chock should notbe greaterthan 40 seconds Once stored the motor will stop the inside RED light will illuminate solid and the outside GREEN light will flash Refer to the troubleshooting section if errors occur 6 Verify OVERRIDE function as follows 6 1 With the chock in any position except a valid hitched condition rotate the OVERRIDE selector The inside GREEN and AMBER lights will illuminate solid If the fault alarm is sounding it will be silenced 6 2 Press RELEASE to clear the OVERRIDE condition Note interlock conditions mustbe metprior to clearing this mode i e Door Closed and Leveler Stored 7 Check the outside lights With the chock retracted the GREEN light should be flashing and the RED light should not be illuminated 16 6004921 Wheel Restraint August 2013 2013 4Front Engineered Solutions Inc ADANGER Before doing maintenance or service push STOP push button in Remove power at the fused disconnect during all electrical or mechanical service Disconnect must be properly locked out during maintenance or service of equipment Failure to disconnect power may result in death or serious injury Do not service this product unless you have read and followed the Safety Practices Warning
34. draulic Fluid An all weather hydraulic fluid with a viscosity of 15 CSt at 40 C 100 F such as Shell Tellus T 15 Mobil Aero HFA 49011 Exxon Univis HV13 N15 J13 Texaco Aircraft Oil 1554 U S Oil Co Inc ZZFI 5606 Low Temp August 2013 HEAT TRACER FIELD INSTALLATION ADANGER Before doing maintenance or service push STOP push button in Remove power at the fused disconnect during all electrical or mechanical service Disconnect must be properly locked out during maintenance or service of equipment Failure to disconnect power may result in death or serious injury Do not install this product unless you have read and followed the Safety Practices Warnings and Operation instructions contained in this manual Failure to follow these safety practices could result in death or serious injury 1 Turn power off at the fused disconnect 2 Remove the removable right chock track assembly the chock and both access covers 3 Lay out four loops of the heat tracer on the driveway alongside the installed trailer restraint housing Make the loops the same approximate size as the housing Be sure to leave enough length on the plug end of the tracer to reach out of the housing and to the location where the thermostat will be located Suggested location is inside of wall with bulb protruding through wall See Fig 15 NOTE If the heat tracer is difficult to bend plug it in and let it warm up a little bit before wor
35. ds to chock The forced user termination default timer value is set to a value greater than the full stroke time to allow for switch based operation The calculated timer value will be 9596 of the measured travel time to chock to allow for timer based operation 20 6004921H Wheel Restraint 2013 4Front Engineered Solutions Inc August 2013 Before operating the vehicle restraining device read and follow the Safety Practices Warnings and Operation instructions contained in this manual Use by untrained people could result in death or serious injury Do not use the Restraint if it looks broken or does not seem to work right Tell your supervisor at once Keep hands and feet clear at all times Stay clear of the wheel restraint when it is moving Donotloadorunloadany vehicle unless you make certain the wheel restraint has securely hitched the vehicle s rear impact guard and set the brakes If the wheel restraint does not chock the vehicle s tire for any reason BE CERTAIN TO MANUALLY CHOCK THE VEHICLE WHEELS BEFORE LOADING OR UNLOADING Enter the vehicle only when the GREEN signal light on the control box is on You must check the GREEN signal light each time that the vehicle is entered If the GREEN light goes off at any time during loading operations immediately cease loading operations and check the wheel restraint to insure that it is securely hitched If the power to the wheel restraint is interrupt
36. e flashing Before doing any electrical work including changing LEDs make certain the power is disconnected and properly tagged or locked off DAILY 1 Operate the wheel restraint to assure that it operates smoothly and that the chock moves freely along the entire length of the track 2 Check all lights and alarms to ensure they are in proper working order 3 Inspect dock bumpers Missing bumpers must be replaced MONTHLY 1 Check fluid level on the reservoir If required add hydraulic oil U S Oil Co 5606 or equivalent is required 2 Check the rollers under the chock to ensure they move freely 3 Checkalloperating warning and caution labels and signs to be sure they can be read Replace them if required 4 Check the chock pocket and pan for debris Remove debris if necessary making sure drain is not clogged 5 Check for loose frayed and damaged wires or hydraulic leaks 24 6004921H Wheel Restraint 2013 4Front Engineered Solutions Inc YEARLY 1 Once per year drain flush and change oil Only use specified oils 2 Remove and clean hydraulic oil pump strainer 3 Checkforproperoperation ofthe heattape when installed yearly before the cold weather AS REQUIRED 1 Lubricate rollers under chock 2 Clean out chock pocket and pan 3 Lubricate the ramp surface of the chock pocket with anti seize compound See Fig 13 Fig 13 Chock pocket ramp surfaces 4 Places Hy
37. e back up to an acceptable level Pressure must be lost for a minimum time before the motor will start This prevents motor contact chatter WIRING DIAGRAMS SHARED PUMP OPTION This restraint system can be configured to operate using a single pump unit to supply two restraint chocks Shared Pump Interlock solenoids are required to divert the hydraulics Control panel to panel communications handle requests for the shared pump The control panels are configured Master and Slave and operate as a pair The Master unit handles the physical control of the pump motor The Slave unit issues requests for the pump via RS485 communications and the Master unit operates the pump motor as a proxy Neither unit has priority over pump motor use but each can lock the other unit out if it is currently using the pump Pump usage is based on a first come first serve arrangement See wiring diagram on page 31 and 32 August 2013 6004921H Wheel Restraint 29 2013 4Front Engineered Solutions Inc WIRING DIAGRAMS continued CB FU TO BE SUPPLIED BY OTHERS RESTRAINT CONTACTOR 1011 1 0 u TUI egere ov 21 t 11 2 1021 MOT102 a Se 3 RESTRAINT a 47472 MIP
38. e of the restraint while the leveler is not stored and the door is not closed Install input switch devices as necessary to use these features Reference drawing 6001045 for details 5 Automatic snugging can be enabled by placing a jumper wire from 24V to 12 This feature is disabled from the factory See pages 29 34 6 AVSL fault override for purposes of controlling the lights in an interconnected system can be implemented by terminating the appropriate signal wiring to input 11 of the PLC This wiring will originate at the coupled VSL control panel Reference drawing EL3053 for details Fig 7 Junction box Dual chock pump units only Release Chock solenoid solenoid Chock Release Valve block m Check valve with single chock pump Interlock solenoid valve with dual chock pump 7 Terminals R13 and R14 provide a leveler interlock to the coupled leveler control panel Reference EL3053 for details 8 Checkthe control box for the voltage supplied The control box is factory wired for the voltage specified on the order The label inside the control box will show the pre wired voltage requirements 9 Check the drive motor for voltage requirements it may accept dual voltage The drive motor s voltage s are stamped into the nameplate on the motor NOTE A fused disconnect is required for each Trailer Restraint as a means of disconnecting and limiting incoming power t
39. ed immediately cease operations and check the unit consult the troubleshooting instructions to reset the lights when power resumes Vehicles leaving or moving when loading and unloading are in process could result in death or serious injury Failure to follow these safety practices may result in death or serious injury NOTE The following failure conditions will immediately halt motor operation A restraint fault will be issued PS1 and PS2 on at the same time Vehicle not found Maximum motor run time 60 sec Early chock 2 5 sec If vehicle restraint malfunctions SOLID RED and FLASHING AMBER lights indicate an error condition exists Press RELEASE to store restraint then CHOCK if required If restraint continues to malfunction manually chock wheels and switch to RESTRAINT OVERRIDE A qualified technician must service the restraint August 2013 OPERATING INSTRUCTIONS For a description of the status of lights and alarms during different operating conditions see page 27 NOTICE The wheel restraint requires that vehicles have adequate under carriage clearance throughout the path of the chock Be sure 12 or 16 of clearance depending on chock size is present along the entire path the chock will travel Failure to do so may result in damage to the vehicle its attachments or the chock NOTE At all times that the chock is in motion the motion alarm will sound TO CHOCK VEHICLE 1 Check for
40. eel Restraint 5 2013 4Front Engineered Solutions Inc IN STALLATION continued SITE PREPARATION NOTE The specific construction of the driveway will greatly dictate the methods used in excavation of the site careful review of the building plans and improvements will help in the planning of the wheel restraint installation If the specific construction of the driveway is not known before excavation begins installation may be delayed if itis found that additional equipment or materials are required Underground services in the vicinity water sewer electrical telephone etc must be identified prior to excavation Consult building plans and local utilities during the planning stages of the project Many utility companies offer free location services that can be called on fairly short notice several days Failure to properly identify underground services in the vicinity can lead to death or serious injury 1 Sawcutthe outline of the excavation the drainage system and the hydraulic and electrical runs into the driveway surface dock face and floor 2 Break up the surface layer s of the drive in the area of the excavation with a jack hammer Depending on the depth of the surface layers the surface in the area to be excavated can also be saw cut into manageable sized pieces for removal 3 Remove the surface material and excavate the area for the housing with a back hoe or similar piece of equipment The exca
41. eered Solutions Inc PARTS LIST CONTROL BOX continued Control Box Part Number iia 6002556v4 6002556v5 6002556v6 6002556v7 6002556v8 Description 208 Three Three 240 Three Three 575 Three Three Part ID 1 200 575 120 24 1 2774 XF109 K U mis 1 XFMR200VA480240 12024V 1 1 A23 xmo 1 xrMR200vA208V 12024V 3 f 1 A25 XFI09 2 CONTACTOR 18A 1NO 1NC 24 5060 2 1 1 1 1 1 6000467 M236 3 ALARMFAUT 3 1 1 1 1 823 054 anria 4 overtoapoisamps 3 1 f 6000477 oos 5 capacitor 3 1 1 061821 ___ 6 OVERLOAD4 6AMPS 1 1 50045 onos 7 OVERLOAD2544AMPS 1 f 600474 oos 8 4WIRE1224VFLASHER 3 1 1 1 AP2525 E 1 _10 RELAY 2POLE FORMC 24VACCOIL 1 1 1 1 1 6000518 CR232 1t RELAY 2 1 1 1 1 6000522 CR232 2 TwboPLO tt 1 1 1 1 1 6001056 PL202 13 VEHILELIGHL RED 1 1 1 1 1 6000529 LT220 14 VEHICLE LIGHT AMBER 3 1 1 1 6000530 17230 15 VEHICLELIGHT GREEN 3 1 1 1 1 6000531 LT231 16 3 3 3 3 j 6003 ___ 17 I
42. elief valve 1600 PSI August 2013 6004921H Wheel Restraint 35 2013 4Front Engineered Solutions Inc HYDRAULIC SCHEMATIC DUAL CHOCK PUMP Chock pressure Chock pressure switch switch T solenoid valve or N switch x 2 NN jaz pressure switch i Manual retract Manual 1 Extend retract Pilot HI solenoid valve valve Release ZZ solenoid valve VT7 HIX T solenoid valve f TEE Interlock Main relief ur solenoid valve valve 36 6004921 Wheel Restraint August 2013 2013 4Front Engineered Solutions Inc PARTS LIST To ensure proper function durability and safety of the product only replacementparts that do notinterfere with the safe normal operation of the product must be used Incorporation of replacement parts or modifications that weaken the structural integrity of the product or in any way alter the product from its normal working condition at the time of purchase from 4Front Engineered Solutions Inc could result in product malfunction breakdown premature wear death or serious injury August 2013 6004921H Wheel Restraint 37 2013 4Front Engineered Solutions Inc PARTS LIST continued item Quantity PatNumbe 1 12 PAN ASSEMBLY 712 438 6 AL FLTHD SKTCAPSOREWS 1exaa 00880 WASHER 1 1 4 FLAT 00 186 A A A 1 SLIDER GUIDE 711 047 AL
43. er stored proximity sensor ON 11 Reserved 12 Snugging enabled 13 STOP button pulled out OO OQ Q N OUTPUT FUNCTIONS Inside RED lamp ON Inside AMBER lamp ON Inside GREEN lamp ON Outside GREEN lamp relay ON Solenoid SV1 ON chocking valve Solenoid SV2 ON releasing valve Motor Fault alarm Spare Leveler Interlock restraint engaged or override O Q N O 0 12 3 4 5 6 7 8 9 10111213 Telemecanique TOOVI240VAC ZIN RyOUT RyOUT RyOUT RyOUT L N 00 1 2 3004 5 6 7 cow 8 cows 9 000 002000000000000 August 2013 6004921H Wheel Restraint 2013 4Front Engineered Solutions Inc TROUBLESHOOTING continued STROKE CALIBRATION PROCEDURE This mode provides a means to assign a unique time stamp to each restraint assembly The calibration routine will send the chock to the far end of its travel to determine the time required to travel the whole of the unit s length This value is then adjusted and used to maximize cylinder stroke while preventing potential false hitches NOTE Accurate calibration requires there be no truck present at the dock location being calibrated and the chock travel area should be clear of obstruction and or debris In order to obtain an accurate calibration the chock must be monitored during travel for binding or stalling The most effective means to affect this is to view the system pressure gauge located on the power un
44. ghts continue to display GREEN Trailer Departs Inside lights display Solid RED outside display GREEN August 2013 6004921H Wheel Restraint 13 2013 4Front Engineered Solutions Inc START UP AND TEST LAWARNING Do not service this product unless you have read and followed the Safety Practices Warnings and Operation instructions contained in this manual Failure to follow these safety practices could result in death or serious injury Before doing maintenance or service push STOP push button in Remove power at the fused disconnect during all electrical or mechanical service Disconnect must be properly locked out during maintenance or service of equipment Failure to disconnect power may result in death or serious injury NOTICE Before putting the restraint into service there are preparations and functional checks that must be made They are 1 Checking motor rotation 2 Bleeding air from the hydraulic cylinder and lines 3 Checking chock travel 1 Remove spreader plates from the track rail area The plates sole purpose was to maintain track spacing during installation They may now be discarded ADANGER The following steps 2 4 will be taken with the power on and the control box open Only qualified electrical personnel should access the control box while under power 2 Open the control box and activate the system by turning on the power at the fused disconnect 3 Verify component hook up
45. he concrete into and around the anchor straps on the side of the housing These will lock the housing to the concrete and assure a solid connection of the housing to the drive 11 Continue from one end of the unit to the other filling underneath periodically placing reinforcing rods and filling up along the sides of the housing All the while the concrete should be vibrated to remove air pockets and feathered to the drive at the surface 12 At this point the installation of the housing into the drive is complete Remove the cross braces and clamps and feather any depressions left by the clamps 13 Allow the concrete to cure for atleast 4 days before vehicle traffic is allowed on the unit Follow the recommendation of the concrete supplier if different than 4 days 8 6004921H Wheel Restraint 2013 4Front Engineered Solutions Inc August 2013 Fig 3 Chock centerline reference marks Dock position August 2013 INSTALLATION continued Ix DELIN 2 ref 74 4 lt A Dock Reinforcing 6 rods rfi ITI lt 1 21 l anchors Undisturbed Area for concrete subsoil Crushed stone Section 6
46. it housing Another method is to listen to the pitch of the motor while the chock is in motion Abrupt changes in pressure or motor pitch imply restriction which can adversely affect the accuracy of the measured value 1 Ensure the restraintis stored home position RED inside light should be lit and the STOP button is pulled out Simultaneously pressandholdthe CHOCKandRELEASE pushbuttons for 5 seconds then rotate the OVERRIDE selector and release it The RED AMBER and GREEN lights will begin to flicker to indicate the activation of the calibration mode The chock will travel out of the home position If the procedure completes successfully the chock will automatically reverse and return to the home position after traveling full stroke 2 To immediately halt calibration mode before completion press the STOP button The restraint can then be returned tothe home position by pressing the RELEASE pushbutton If the calibration procedure is interrupted in this manner calibration registers will be cleared No new values will be calculated NOTE The measured value will be stored in non volatile system memory until such time that another calibration routine is initiated or system software is upgraded or reloaded A default timer value will be in force until a successful calibration is performed and will be reapplied if the procedure is terminated prior to a successful completion A PLC cold boot will also apply a default CALIBRATION REPO
47. jury Indicates a potentially hazardous situation which if not avoided could result in death or serious injury 2 6004921H Wheel Restraint 2013 4Front Engineered Solutions Inc Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury NOTICE Notice is used to address practices not related to personal injury August 2013 Read these safety practices before installing operating or servicing the wheel restraint Failure to follow these safety practices could result in death or serious injury Ifyou do not understand the instructions ask your supervisor to explain them to you or call your local distributor OPERATION Use restricted to trained operators Use by untrained people can cause property damage bodily injury and or death Your supervisor should teach you the safe and proper way to use the wheel restraint Read and follow the operating instructions on page 21 before use DO NOT USE THE WHEEL RESTRAINT IF IT IS NOT WORKING RIGHT Tell your supervisor it needs repair Before restraining a vehicle check that proper clearance is available under the vehicle throughout the full range of chock motion Do notoperate the restraint with equipment material or people directly in the path of the restraint Keep hands and feet clear of the chock mechanisms and guide path at all times Stay clear of the restraint when it is moving Do not load or unload any
48. king with it 4 Beginning at the end of the housing nearest to the dock and the side without the hydraulic hoses place the cable loops into the housing and underneath the support ribs in the pan See Fig 14 Continue to lay the cable in until you are about two feet from the chock pocket 5 Lay the cable in on the side of the pan with the hydraulic hoses Be sure to get some of the tracer loops underneath the hydraulic hoses See Fig 14 Continue to lay the cable in until you are about two feet from the chock pocket 6 Taking the end of the loops away from the dock thread the four loops through the chock pocket and into the back of the housing 7 Using plastic tie wraps or other suitable means secure the heat tracer to the cylinder in the whole area of the chock pocket and at least two inches past the pocket in both directions Fig 14 Housing Support rib Hydraulic hoses rT Heat H tracer ydraulic cable cylinder cable August 2013 6004921H Wheel Restraint 25 2013 4Front Engineered Solutions Inc HEAT TRACER FIELD INSTALLATION continues Fig 15 The heat tracer must be secured against the sides of the 115VAC 10 to 7 5 AMP cylinder throughout the chock pocket If the tracer is not fused disconnect by others against the cylinder the chock may fall on to the tracer recommended causing damage to the tr
49. l carefully across the entire surface of the bottom of the excavation Vibratory compaction is best if such equipment is available 6 6004921H Wheel Restraint 2013 4Front Engineered Solutions Inc August 2013 UNIT PREPARATION 3 1 Prepare the housing for installation by clamping 2 4 ft long cross braces 3 x 3 x 1 4 angle or equivalent to the top flanges of the housing These braces will be used to support the housing over the excavation and anchor the housing against shifting or floating pressure while concrete is poured around the housing See Fig 2 4 NOTE The position of the cross braces should be such that the trailer restraint is suspended at the desired elevation For INSTALLATION continued Install drain fittings into the bottom of the housing The position size and style of fitting depend on the drainage system to be used but should not be less than 2 in dia and must never project up into the bottom of the housing Install strainers over the top of the drains See Fig 2 See that the spreader plates are properly repositioned in the track area of the housing These spreaders maintain the track spacing against the pressure of the concrete while it is poured and until it sets See Fig 2 a level driveway or a flat drive that is not necessarily level See that all cover plates are re
50. n with respect to dock face 210 Clear Position with respect to end of housing 204 OVERALL DIMENSIONS Housing excluding conduit and drain fittings Length 361 Width 16 Depth 10 ELECTRICAL REQUIREMENTS Main Supply Voltage Pump Motor Heat Tracer Tape PLC Supply Voltage Control Circuit Voltage Motion Alarm Requires a separate 115VAC single phase power supply and 7 5A fused disconnect protected by HYDRAULIC POWER SUPPLY System Fluid Fill Reservoir Fluid Cylinder Fluid Capacity Per Cylinder Pit standard excavation Length 32 ft Width 30 Depth w o crushed stone base 16 Depth w 8 of crushed stone base 24 208V 230V 460V 575V all 3PH 60 Hz 3 HP 120 Volts AC 120 Volts AC 24 Volts AC 24 Volts DC 15 gal Single chock pump 25 gal Dual chock pump 10 5 gal Single chock pump 17 6 gal Dual chock pump 2 9 gal Retracted 5 2 gal Extended Hose Fluid Capacity Per Chock 0 8 gal Cylinder Size 3 dia x 168 stroke Cylinder Rod 2 dia Pump Flow Rate 5 GPM nominal Level Site Glass Yes Relief Pressure 1600 PSI Chocking Pressure 1400 PSI Release Pressure 1300 PSI Hydraulic Fluid An all weather hydraulic fluid with a viscosity of 15 CSt at 40 C 100 F such as Shell Tellus T 15 Mobil Aero HFA 49011 Exxon Univis HV13 N15 J13 Texaco Aircraft Oil 1554 U S Oil Co Inc ZFI 5606 Low Temp 28 6004921H Wheel Restraint August 2013 2013 4Front Engineered Solutio
51. ns Inc ADANGER Before doing any electrical work make certain the power is disconnected and properly tagged or locked off All electrical work must be done by a qualified technician and must meet all applicable codes If it is necessary to make trouble shooting checks inside the control box with the power on USE EXTREME CAUTION Do not place fingers or uninsulated tools inside the control box Touching wires or other parts inside the control box may cause electrical shock death or serious injury Do not service this product unless you have read and followed the Safety Practices Warnings and Operation instructions contained in this manual Failure to follow these safety practices could result in death or serious injury WIRING OF CONTROL AND PUMP OPTIONS AUXILIARY OUTPUT The wheel restraint control is provided with a normally open contact point which closes when the trailer has been chocked This contact may be used for auxiliary equipment or communication Terminals R13 and R14 are the access points for this feature If power is lost while unit is chocked the connection between R13 and R14 will be lost SNUGGING Snugging is provided for users that wish to have the restraint s pressure continuously monitored and maintained while hitched The snugging input should be jumpered if this feature is desired In the event of a pressure loss while the restraint is chocked the motor will start and run long enough to bring pressur
52. o the control box This disconnect is supplied by others unless specifically ordered from 4Front Engineered Solutions Inc For correct disconnect fuse size X and fuse type refer to the charts and wiring diagram for the proper voltage on page 34 10 For vehicle presence sensor optional installed termination see schematic included in panel 10 1 The sensor is a 4 wire device First terminate the positive lead brown wire to any C terminal on the input board 10 2 Terminate the negative lead blue wire to any 0V terminal in the panel 10 3 Terminate the load lead black wire to the terminal specified in the job specific wiring schematic 10 4 Tape insulate the unused white wire 11 Verify that both steps 8 and 9 above match the voltage 12 6004921H Wheel Restraint 2013 4Front Engineered Solutions Inc August 2013 specified the order If they do not contact your local representative for assistance 12 Check that the fused disconnect for this installation is a lockable type and meets all applicable electrical and safety codes 13 Mount fused disconnect near the control box and wire three phase power to it from an available power source 14 Check voltage at the disconnect It must match voltages checked in steps 9 and 10 above INSTALLATION continued Fig 8 Building gt f View CI
53. positioned and fastened the cross braces will always suspend the housing at drive in place This will help to maintain the track spacing and level For a driveway with a split decline concave or convex help to prevent concrete from getting into the housing surface the cross braces should be positioned to equalize during the pour the elevation differences If there are any questions as to the appropriate positioning of the wheel restraint contact your local representative for assistance 2 Install one 4 dia wide sweep conduit elbow into the dock end ofthe housing This elbow will be used for passage of hydraulic hoses and heat tracer cables if so equipped Install one 3 4 dia conduit elbow into the dock end of the housing See Fig 2 2 72 Fig 2 lt 9 z 7 6 Spreader plates 4 90 LJ 5 Lifting chain n attaching points Drain View A A 7 Clamps Drain d View 4 August 2013 6004921 Wheel Restraint 7 2013 4Front Engineered Solutions Inc IN STALLATION continued UNIT PLACEMENT Inadequate lifting equipment or practices can cause a load to fall unexpectedly Make sure the lifting chain or other lifting devices are in good condition and have a rated capacity of at least 3000 Ibs for the lifting angle used Never allow anyone to stand on or near the restraint when it is lifted or positioned Stand clear of the vehicle res
54. r debris to enter the hoses the hoses do become contaminated remove the hoses and clean them by blowing compressed air through the hose from the clean end 2 One of the two hoses is shorter and has a male fitting Connect this hose to the C2A port release on the valve block 3 Connect the hose with the female fitting to the C1A port chock on the valve block 4 Checkallhydraulic fittings and connections to see that they are properly connected and tight Do not over tighten 5 Remove hydraulic hose slack by coiling excess hose between reservoir and wall Do not leave slack hose in wheel restraint pan Fig 6 INSTALLATION continued 24V compact lights alarm and sign supplied by 4Front installed by others display Motion alarm mounted to top of outside light assembly on driver s side Allow for door seals approx 15 Mount sign below light Keep light and sign in one area ed 9 to concentrate visual warning Y Q Centerline of light in line with vehicle mirror August 2013 6004921 Wheel Restraint 11 2013 4Front Engineered Solutions Inc IN STALLATION continued ELECTRICAL INSTALLATION A DANGER Before installation read and follow the Safet
55. s and Operation instructions contained in this manual Failure to follow these safety practices could result in death or serious injury MECHANICAL TROUBLESHOOTING 1 Chock begins to move drops back into pocket 1 1 Check chock for obstructions preventing proper operation Clear any obstructions present 1 2 Press the RELEASE button to reset chock 1 3 Check the rollers under the chock to ensure they move freely Lubricate as required See procedure on page 24 1 4 Lubricate the ramp surface of the chock pocket with anti seize compound 1 5 Press the CHOCK button to chock vehicle 2 Motor continues to run after vehicle is chocked 2 1 The motor will automatically shut off and a fault alarm will sound 2 2 Select RESTRAINT OVERRIDE to silence the fault alarm 2 3 The hydraulic system is not making proper pressure check all hydraulic connections for leaks Check all electrical connections 2 4 Repair any leaks Test operation of the Trailer Restraint see page 14 3 During release cycle motor continues to run after chock is stored 3 1 The motor will automatically shut off and a fault alarm will sound 3 2 Check all electrical and hydraulic connections and components carefully TROUBLESHOOTING NOTE For a table describing the status of the lights and alarms during the operation of the wheel restraint see page 27 ELECTRICAL TROUBLESHOOTING Before doing maintenance service push STOP
56. sferring a line 38 to the right as you face the dock of the previously marked centerline Be sure to mark the centerline up onto the dock face or wall for future reference in placing the restraint into the excavation See Fig 1 on the following page Mark the boundaries of the excavation for the housing by transferring a line 15 to each side of the previously marked centerline of the unit and marking an end line for the excavation 32 ft from the dock face or wall See Fig 1 on the following page While all of the previous marking may have been done in chalk loggers pencil etc some of the markings should now be traced with paint so that they are not washed away before the excavation and installation are completed Areas that should be paint marked are the boundaries of the excavation the position centerline reference marks and the chock centerline reference marks See Fig 1 on the following page Mark the excavation requirements for the drainage system as determined in the site survey of step 1 4 6004921H Wheel Restraint 2013 4Front Engineered Solutions Inc August 2013 INSTALLATION continued Fig 1 Z Z Dock position wy Z Z Position centerline reference marks Chock centerline reference marks z Z ae Boundaries of excavation August 2013 6004921H Wh
57. tor for a RELEASE pressure indication at the PLC input 3 If pressure is not indicated refer to the electrical troubleshooting section of this manual to determine the cause of the pressure switch s failure to indicate pressure Motor phasing may be incorrect causing the motor to run backwards which will affect this condition If phasing errors are suspected proceed to step 4 to change the motor s phase then repeat step 3 2 4 Reverse the motor rotation if necessary as follows 4 1 Disconnect power 4 2 Reverse the motor wiring by switching any two of the three motor wires connected to the overload relay T1 T2 and T3 4 3 Reapply power START UP AND TEST continued August 2013 6004921H Wheel Restraint 15 2013 4Front Engineered Solutions Inc START UP AND TEST continued 5 Verify CHOCK and RELEASE functions a follows 5 1 With the chock stored and the inside RED light iluminated solid ensure the STOP button is out and press the CHOCK button The chock should move toward the chocked position and the inside and outside RED lights will flash The motion alarm should sound while the motor is running If the chock fails to move press the STOP button and refer to the troubleshooting section 5 2 The chock will travel full stroke in approximately 30 seconds and issue a Truck Not Found alert indicated by the RED and AMBER lights flashing together with an audible fault alarm pulse sound 5 3 With the cho
58. traint when it is positioned Failure to follow this warning could allow the restraint to fall tip or swing into people resulting in death or serious injury 1 Lift the housing using suitable straps or chains attached at points provided Fig 2 and place the housing into the pit suspended from the previously installed cross braces See Fig 3 on the following page 2 Center the housing in the excavation by aligning the center of the housing with the chock centerline reference marks 3 Position the end of the housing 6 away from the dock face This will properly position the travel of the chock with respect to the dock 4 Check that the unit is level with the drive Shim under the cross braces if necessary to achieve the desired elevation 5 Secure the housing in place so that it remains stationary and properly positioned throughout the pouring and setting of the concrete NOTICE The housing must be secured in position during the pouring of the concrete This can be done by lagging the cross braces into the undisturbed driveway surface by blocking and or weighting the housing directly or by blocking and or weighting the ends of the cross braces Failure to adequately secure the housing during the concrete pour may result in an improperly positioned restraint Improper positioning of the restraint may result in inadequate drainage of the housing or improper engagement of vehicle wheels 6 Position and attach all drain
59. unted See Fig 5 Fig 4 Fig 5 Hydraulic connections Electrical connections Level sight glass Mount control box on left H of door opening Mounting hardware by others Eye level approx 60 10 6004921H Wheel Restraint 2013 4Front Engineered Solutions Inc August 2013 NOTE The chock motion alarm assembly must be mounted in the area of the chock The chock motion alarm assembly must be mounted in the area of the chock Failure to mount the alarm in close association with other dock and restraint components may reduce its effectiveness which could result in death or serious injury The motion alarm assembly is designed and controlled to sound whenever the chock is in motion Each alarm is strictly associated with a single unit its mounting position must be such to maintain that association at installation 5 Mount the vehicle driver caution sign immediately below the light and alarm assemblies This sign must also be clearly visible in the driver s side mirror See Fig 6 HYDRAULIC INSTALLATION 1 Routethe hydraulic hoses that come coiled in the housing through the conduits and to the hydraulic power supply NOTICE Dirt or debris in the hydraulic system can hamper proper operation of the restraint Do not allow dirt o
60. vation for the housing should be cleared to a depth of 16 or 24 if a layer of crushed stone is to be placed as a bed for the concrete NOTICE Improper excavating and removal of material can leave the wheel restraint with insufficient support Remove all loose material from the bottom of the excavation and leave the bottom of the excavated pit undisturbed Failure to do so can result in settling of the foundation which could hinder operation or cause damage to the unit 4 Remove all loose material from the bottom of the excavation 5 driveway dock and floor for drainage system hydraulic and electrical runs 6 Assemble drain tile pipe and fittings into the areas of the excavation that will be filled with concrete NOTE Drainage systems are typically regulated by various local agencies Local codes and regulations for sizing layout and discharge must be followed Failure to adhere to local requirements may result in expensive delays while compliance is achieved and verified 7 Double check the position of drain components to assure that they are in a position compatible with the site layout and plans Fill excess voids around drain components with gravel taking care to tamp around components and eliminate any voids 8 If the housing area was excavated deeper than 16 fill the excavation to a depth of 16 with gravel Be sure to tamp the gravel in all areas and eliminate voids 9 Compact the grave
61. vehicle unless you make certain the wheel restraint has securely chocked the vehicle s rear wheels and set the brakes If the wheel restraint does not chock the vehicle s tire for any reason BE CERTAIN TO MANUALLY CHOCK THE VEHICLE WHEELS BEFORE LOADING OR UNLOADING Before chocking wheels or engaging vehicle restraint dump air from air ride suspensions and set parking brakes SAFETY PRACTICES INSTALLATION MAINTENANCE AND SERVICE Before doing maintenance or service be certain that the STOP push button is pushed in and the power is disconnected and properly tagged or locked out Failure to follow these safety practices may result in death or serious injury If the wheel restraint does not operate properly using the procedures in this manual BE CERTAIN TO MANUALLY CHOCK THE VEHICLE WHEELS BEFORE LOADING OR UNLOADING Call your local distributor for service Place barricades around pit on dock floor and drive while installing maintaining or repairing trailer restraining device Do not stand in the driveway between the dock and a backing vehicle Do not use the wheel restraint as a step Keep hands and feet clear of guide tracks and moving parts at all times All electrical troubleshooting and repair must be done by a qualified technician and meet all applicable codes Disconnect the power and properly tag or lock off before doing any electrical work If it is necessary to make troubleshooting checks inside the control
62. y Practices on page 3 Failure to follow these safety practices could result in death or serious injury Before doing any electrical work make certain the power is disconnected and properly tagged or locked off All electrical work must be done by a qualified technician and must meet all applicable codes If it is necessary to make troubleshooting checks inside the control box with the power on USE EXTREME CAUTION Do not place fingers or uninsulated tools inside the control box Touching wires or other parts inside the control box may cause electrical shock death or serious injury High voltage power wires should be run in separate conduit from low voltage control circuit wiring 1 Wire the outside lights and alarm assembly to the control box according to the wiring diagram shipped inside the control box Typical wiring diagrams have been provided in this manual for reference See pages 30 34 2 Wire the hydraulic power supply s electrical box to the control box according to the wiring diagram shipped inside the control box and Fig 7 A typical wiring diagram has been provided in this manual for reference See pages 30 34 3 Ifthe Dual Pump option is desired referto the explanation on page 29 and the connection diagram on page 32 and 33 for required field wiring 4 The Leveler Stored terminals 24V and 10 and Door Closed terminals 24V and 9 signals jumpered the factory Their functions are to prevent the releas

User`s Manual - Curlin, Inc.

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