VSH Owner`s/User Manual
Contents
1. Item Quantity Part Number Description A 2 2101 0039 Nylon Lock Nut 5 16 18 UNC B 2 9301 0029 Seal Thread C 1 9302 0014 Reservoir D 1 9301 0199 Breather Cap 3 8 NPT Male E 1 9301 0027 O Ring Reservoir F 2 9302 0012 Tie Rod Reservoir 1 9301 _ Pump Only G 4 2101 0039 Cap Screw 5 16 18 UNC x 3 1 2 in Grade 5 1 9301 0028 Gasket Pump 1 9303 0002 Coupling Assembly H 1 9302 0017 Plate Drive J 1 9904 0001 Hose K 1 0521 0017 90 Elbow 3 8 NPT Male x 8 JIC Male L 1 0521 0007 90 Elbow 1 4 NPT Male x 1 4 Tube M 1 3411 Motor Only N 1 0521 0015 Straight Fitting 3 8 NPT Male x 8 JIC Male P 1 0521 0014 Ball Check Q 1 9301 0024 Guide Check Ball H 1 9302 0009 opring Relief Valve S 1 9303 0003 Screw Adjusting T 2 9301 0014 Washer Nylon 11 16 in OD x 1 2 in ID U 1 9301 0015 Nut Jam 1 2 20 UNF V 1 9301 0016 Nut Acorn 1 2 20 UNF W 1 0521 0016 45 Elbow 3 8 NPT Male x 8 JIC Male X 1 9301 0009 Strainer Suction Y 1 9301 0082 Magnet Z 1 9301 0008 Pipe Nipple 3 8 NPT x 3 in AA 2 9301 0003 Washer Aluminum 9 16 in OD x 3 8 in ID x 1 16 in AB 2 9301 0004 Screw Socket Head 3 8 16 UNC x 1 3 4 in AC 2 2101 0063 Nut Jam 5 16 18 UNC 1 9395 1 Power Pack Complete Includes All Items Except L N and W 1 Provide dock leveler serial number and type of installation when calling or faxing orders 2 Provide dock leveler serial number voltage and ph2. Back Cover Recognize Safety Information 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 instructions in the safety message The use of the word DANGER signifies the presence of an extreme hazard or unsafe practice which will most likely result in severe injury or death The use of the word WARNING signifies the presence of a serious hazard or unsafe practice which may result in serious injury or death The use of the word CAUTION signifies possible hazard or unsafe practice which could result in personal injury IMPORTANT The use of the word IMPORTANT is to draw attention to a procedure that needs to be followed to prevent machine damage 4111 0024 December 2014 SAFETY General Operational Safety Precautions Read and understand the operating instructions and become thoroughly familiar with the equipment and its controls before operating the dock leveler Never operate a dock leveler while a safety device or guard is removed or disconnected Never remove DANGER WARNING or CAUTION signs or Decal s on the equipment unless replacing them Do not start the equipment until all unauthorized personnel in the area have been warned and have moved outside the operating zone Remove any tools or
3. A 1 9222 0097 Yoke Upper Arm Prop B 3 0522 0005 Clevis Pin 3 4 Dia x 2 2 4 Lg C 1 Upper Weldment D 1 d Lower Weldment E 1 9201 0006 Prop lock Pin and Clip F 3 2101 0047 Cotter Pin H 1 9225 0016 Storage Prop Assembly Not Sold Separate 36 4111 0024 December 2014 PARTS Lip and Platform See drawing on page 38 VERTICAL LIPS 6 WIDE 40K W O Gussets 40 45K WO Gussets 90K W Gussets 16 0595 0387 0595 1107 0595 1107 18 0595 0388 0595 1108 0595 1108 20 0595 0389 0595 1109 0595 1109 6 5 WIDE 16 0595 0390 0595 1110 0595 1110 18 0595 0391 0595 1111 0595 1111 20 0595 0392 0595 1112 0595 1112 7 WIDE 16 0595 0393 0595 1113 0595 1113 18 0595 0394 0595 1114 0595 1114 20 0595 0395 0595 1115 0595 1115 VERTICAL PLATFORMS 6 WIDE 40K W O Gussets 40 45K WO Gussets 90K W Gussets 5 9515 0843 9515 1077 9515 1121 6 9515 0844 9515 1074 9515 1124 8 9515 1065 9515 1071 CALL 6 5 WIDE 5 9515 0845 9515 1078 9515 1122 6 9515 0846 9515 1075 9515 1125 8 9515 1066 9515 1072 CALL 7 WIDE 5 9515 0849 9515 1079 9515 1123 6 9515 0848 9515 1076 9515 1126 8 9515 1067 9515 1073 CALL 4111 0024 December 2014 37 PARTS Lip and Platform i Ly eee of e Pump and reservoir not shown for clarity 38 4111 0024 December 2014 PAR
4. M Hn M Pressure I E aja Return OH cc M Reservoir P Breather Cap N 2 in 51 mm From Top of Q Fluid Level Reservoir IMPORTANT A low fluid level or the use of hydraulic fluids not equivalent to the fluid types recommended will cause abnormal operation of the leveler and WILL void warranty e Check reservoir fluid level Q 1 The leveler must be in the stored position with the lip lowered 2 Turn OFF all electrical power to the leveler 3 Remove breather cap P 4 Measure fluid level The fluid level should be approximately 2 in 51 mm N from top of reservoir M with platform stored and the lip in the flooded position 5 Add hydraulic fluid if necessary Use only recommended fluid Pg 23 6 Install breather cap 7 Turn ON electrical power to the leveler 8 Return the lip to the raised position 25 ADJUSTMENTS Main Pressure Relief The pressure relief on the SC and remote PPACs are not adjustable Consult Factory When service under the dock leveler is required always lock all electrical disconnects in the OFF position after raising the platform and engaging the maintenance prop Failure to do this may result in serious personal injury or death JILV ld JAVN Always post safety warnings and barricade the work area at dock level and ground level to prevent unauthorized use of the dock leveler before maintenance is c
5. December 2014 PARTS 4111 0024 December 2014 43 PARTS Platform Cylinder Repair Parts can Barrel Lg Item Quantity Part Number Description A 1 9301 0109 Fitting Connection Str Thread 90 DEG Male B 1 1751 0138 Decal C 1 0521 0073 Grease Zerk D 1 2101 0162 Hex Nut E 1 9461 0002 Rod End 1 0525 0066 Hoist Cylinder 10 and 12 Pits 15 3 4 Barrel Lg Includes A E 1 0525 0104 Hoist Cylinder 15 Pits 23 Barrel Lg Includes A E G 1 9303 0025 Down Speed Control Valve Assy Note No seal kit is available for this cylinder Provide dock leveler serial number when calling or faxing orders Not Sold Separately 44 4111 0024 December 2014 PARTS Lip Cylinder Repair Parts MESA a SSS m RSR ONLUS Lx IL SS SS ae SAN SNNN 13 79 Item Quantity Part Number Description A 1 0522 0156 Yoke included in 0525 0085 B 1 0521 0005 Roll pin included in 0525 0085 C 1 0525 0014 Seal Kit 1992 and earlier 0525 0059 Seal Kit 1992 and Newer D 1 0525 0085 VS Lip Cylinder Provide dock leveler serial number when calling or faxing orders Not Sold Separately 4111 0024 December 2014 m PARTS Remote Mount Power Pack Assembly Pressure Hp 4111 0024 December 2014 46 Power Pack Assembly PARTS
6. including the installation of the disconnect panel control panel and final A Disconnect Panel provided by others connections to the pit junction box must be B Control Panel C Distance 48 in 14 630 mm performed by a certified electrician and conform to all local and applicable national codes 1 Mount the push button control panel B so bottom of control panel to dock floor distance C is 48 in 1219 2 mm 2 Install electrical disconnect panel A if not already installed PIN DANG ER 3 Install and connect the control wiring 4 Connect the dock leveler power cable to the field wires in the pit junction box Refer to the electrical drawings supplied with the dock leveler If SC leveler proceed to step 5 Arc Flash and If remote mount PPAC see page 17 for Purging Shock Hazard PPE Personal Protection 5 Lower dock leveler check to make sure the leveler Equipment Required goes into float mode about 15 above dock floor allow to dock to float to full below position Make De energize equipment before sure the dock makes contact with pit floor Push MONG Or L DOO and hold the RAISE button until the leveler turns off open cover without appropriate PPE Refer to NFPA 70E for PPE requirements This panel may contain more than one 6 Check the lip operation Lower dock leveler check power source to make sure the leveler goes into float mode about 15 above dock floor allow to dock to float to below d
7. 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 In no event shall any claim be made more than 30 days after this warranty has expired In order to be entitled to the benefits of this warranty the product must have been properly installed maintained and operated in accordance with all manufacturer s recommendations and or specified design parameters and not otherwise have been subject to abuse misuse misapplication acts of nature overloading unauthorized repair or modification application in a corrosive environment or lack of maintenance Periodic lubrication adjustment and inspection in accordance with all manufacturers recommendations are the sole responsibility of the Owner User In the event of a defect as determined by SYSTEMS INC covered by this warranty SYSTEMS INC shall remedy such defect by repairing or replacing any defective equipment or parts bearing the cost for the parts labor and transportation This shall be exclusive remedy for all claims whether based on contract negligence or strict liability WARRANTY LIMITATIONS THE ABOVE WARRANTIES ARE IN LIEU OF ANY OTHER WARRANTIES WHETHER EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE SYSTEMS INC AND ITS SUBSIDARIES SHALL NOT IN ANY EVENT BE LIABLE TO ANYONE INCLUDING THIRD PART
8. D at both sides Take measurements at dock floor level and at pit floor level Only trained installation professionals with the proper equipment should install this product NOTE If any measurement are off by more than 1 8 in 3 18 mm in depth width and squareness 1 4 in 0 in 6 32mm contact Technical Services before proceeding Before lowering the dock leveler into the pit the following must be performed 1 Remove all debris from the pit and sweep the pit clean 3 Make sure the field junction box for the dock leveler E and floor embed plate F is at the 2 Check the entire dock leveler pit for proper ar correct location per pit diagrams construction according to approved certified pit drawings Make sure pit is square has the proper depth and taper by making the following measurements 4111 0024 December 2014 9 INSTALLATION Prepare Dock Leveler A Lifting Bracket The dock leveler is heavy Use a lifting device and chains with the appropriate lifting capacity and reach Always use the lifting brackets provided with the unit whenever lowering or lifting a dock leveler into or out of a pit Failure to follow these instructions may result in damage to dock leveler and or serious personal injury or death 10 B Maintenance Props McGuire dock levelers are designed with installation in mind Each unit is shipped with lifting bracket s A fastened to the platform IMPORTA
9. 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 manufacturers recommendations and industry standards Effective operator training should also focus on the owner s user s company policies and operating conditions Maintaining updating and re training all operators on safe working habits and operation of the equipment regardless of previous experience should be done on a regular basis and should include an understanding and familiarity with all functions of the equipment Owner s user s shall actively maintain update and retrain all operators on safe working habits and operations of the equipment 2 The manufacturer shall provide to the initial purchaser all necessary information regarding Safety Information Operation Installation and Safety Precautions Recommended Initial and Periodic Inspections Procedures Planned Maintenance Schedule Product Specifications Troubleshooting Guide Parts Break Down Warranty Information and Manufacturers Contact Information as well as tables to identify the grade slope for all variations of length or configuration of the dock leveling device and information identifying the maximum uncontrolled drop encountered when sudden removal of support while in the working rang
10. and shall also satisfy all safety requirements of the manufacturer for the particular application of the leveling device 8 When industrial moving devices are being used in the loading or unloading of product from the transportation vehicle this vehicle shall have the brakes and wheel chocks applied appropriately or all other positive restraining device shall be fully utilized It is recommended that trailers with air ride suspension systems shall have its air exhausted prior to performing loading and unloading operation to minimize trailer bed drop 9 Loading dock safety equipment should never be used outside of its intended use vertical working range or capacity Please consult the manufacturer if you have any questions as to the use vertical working range or capacity of the equipment Only properly trained and authorized personnel should operate the equipment 10 When selecting loading dock safety equipment it is important to consider not only present requirements but also future plans and any possible adverse conditions environmental factors or usage 6 4111 0024 December 2014 General Information Congratulations on your choice of a McGuire Vertical Storing dock leveler This manual covers the VSH Vertical Storing Hydraulic series dock leveler Designed by McGuire to be a marvel of simplicity and efficiency your dock leveler when properly installed will provide many years of trouble free performance with an absolute m
11. control valve is located on hoist cylinder SEE PAGE 28 6 Restore power to the leveler Confirm the blue stored indicator light is no longer illuminated 7 Cycle the hoist cylinder up and down at least 6 times using the leveler s own hydraulic power 8 Connect the hoist cylinder to the base of the Imbed is channel 9 Adjust down speed flow control to factory settings The settings are 1 1 2 turns out from fully closed 10 Maintenance props must be moved back to the working positions 11 The lip cylinder is self purging Lower the leveler to a 45 degree angle Cycle lip by pressing the lower and lip button together to lower the lip Press the raise and lip button together to raise the lip 12 Make sure all air is purged from the hydraulic cylinders after set up and any time air is introduced to the system Failure to do this may result in serious personal injury or death WARNING Stay clear of lip at all times as it may fall if air is present in the system Always stand clear of platform lip when working in front of the dock leveler Serious personal injury or death may result 4111 0024 December 2014 INSTALLATION Rod Eye adjustment amp New installation 1 Support the leveler with the maintenance props Lock out the storage prop with the locking bolt 2 Lock out and tag out the leveler 3 Remove lower hoist cylinder mounting pin 4 Remove one of two screws holding
12. exceed the full load amp value at any time including when operating in pressure relief The full load amp value can be found on the inside cover of the control panel Platform rises slowly Low hydraulic fluid Add fluid as needed See Periodic Maintenance in the Maintenance section Contaminated hydraulic Clean and inspect valves Flush contaminated oil system from hydraulic system Fill system with new oil See Periodic Maintenance in the Maintenance section Damaged or restricted Heplace damaged hose s Remove restriction hydraulic hose s Pressure relief set too low Increase pressure relief See Adjust Main Pressure Helief in the Adjustment section NOTE The pressure relief valve must not be set at a level that causes the motor operating current to exceed the full load amp value at any time including when operating in pressure relief The full load amp value can be found on the inside cover of the control panel Pump motor loads down Pressure relief set too high when platform starts to raise from the lowered position Decrease pressure relief See Adjust Main Pressure Helief in the Adjustment section NOTE The pressure relief valve must not be set at a level that causes the motor operating current to exceed the full load amp value at any time including when operating in pressure relief The full load amp value can be found on the inside cover of the control panel 32 4111 0024 Decemb
13. foreign objects from the operating zone before starting Keep the operating zone free of obstacles that could cause a person to trip or fall SAFETY Operational Safety Precautions U Learn the safe way to operate this equipment Read and understand the manufacturer s instructions If you have any questions ask your supervisor wor Stay clear of dock leveling device when transport vehicle is entering or leaving area Do not move or use the dock leveling device if anyone is under or in front of it Keep hands and feet clear of pinch points Avoid putting any part of your body near moving parts ex Chock restrain all transport vehicles Never remove the wheel chocks until loading or unloading is finished and transport vehicle driver has been given permission to drive away 7 INT Tee Do not use a broken or damage dock leveling device Make sure proper service and maintenance procedures have been performed before using TM a _ or Make sure lip overlaps onto transport vehicle at least 4 in 102 mm Keep a safe distance from both side edges 4111 0024 December 2014 SAFETY e Nr Do not use dock leveling device if transport vehicle is too high or too low Do not overload the dock leveling device Do not operate any equipment while under the influence of alcohol or drugs Do not leave equipment or material unattended on dock leveling device 4111 0024 December 2014 3 SAFE
14. stored position with the lip folded 40 4111 0024 December 2014 PARTS SC Vertical Leveler Hydraulic Components Item Quantity Part Number Description A 1 0525 0085 Lip Cylinder B 1 0525 0066 Hoist Cylinder 10 and 12 Pits 0525 0104 Hoist Cylinder 15 Pits C 1 9394 0024 Heservoir Short 5 6 Lg Includes Hoses 9904 0102 amp 9904 0103 9394 0053 Heservoir Long 8 Lg Includes Hoses 9904 0102 amp 9904 0103 D 1 9301 0199 Breather Reservoir E 4 21010011 Hex Head Capscrew F 4 2101 0058 Lock Washer G 4 2101 0060 Flat Washer 9394 0014 Motor Assembly 115V 1 Ph 9394 0015 Motor Assembly 460V 3 Ph 9394 0033 Motor Assembly 208V 1 Ph H 1 9394 0034 Motor Assembly 230V 1 Ph 9394 0035 Motor Assembly 575V 3 Ph 9394 0043 Motor Assembly 208V 3 Ph 9394 0044 Motor Assembly 230V 3 Ph 1 9301 0132 Pump 1 75Gpm L 1 9904 0090 Hose 17 50 Lg 8 Jic Swivel Both Ends 5 6 LG M 1 9904 0059 Hose 35 00 Lg 6 Jic Swivel Both Ends 8 LG 1 9904 0137 Hose 60 00 Lg 6 Jic Swivel Both Ends N 1 9904 0103 Hose 10 50 Lg 8 ORB to 8 Jic Swivel O 1 9904 0059 Hose 35 00 Lg 6 Jic Swivel Both Ends P 1 9904 0083 Hose 44 50 Lg 6 Jic Swivel Both Ends Q 2 9904 0102 Hose 21 00 Lg 8 ORB to 8 Jic Swivel R 1 9301 0115 Fitting 90 Deg 6 ORB To 8 Jic o 1 9301 0116 Fitting 90 Deg 8 ORB To 8 Jic T 1 8585 0089 Vertical Valve Assembl
15. the stored limit switch Swivel stored limit switch away from storage prop 5 Restore power to the leveler Confirm the blue stored indicator light is no longer illuminated 6 Cycle the hoist cylinder up and down at least once to make cylinder is fully extended 7 Rod eye should be adjusted so the center of the rod eye is half way below the center of the hole of the imbed After adjusted tighten jam nut 8 To center the rod eye with the imbed tap the LOWER button until the pin lube pin can be installed 9 After pin has been installed store maintenance props and locking pin test the leveler for operation OPERATION Theory S H HN Lj L uly Di n SM ome i dH d Il i VAI LL TE od A Control Box D Hoist Cylinder H Solenoid B Platform F Limit Switch I Lip Cylinder C PowerPack G Reservoir J Raise Button When the leveler is operated an electric motor is activated C which drives a hydraulic pump The hydraulic pump forces oil into the platform cylinder s D causing the platform to rise or lower Releasing the button will stop the platform from moving except in the float mode To lower the Vertical leveler the LOWER button L will be pushed The leveler will first come toward the operator an electric
16. E hydraulic cylinder until leveler is safely supported by maintenance prop Refer to owner s user s manual for proper maintenance procedure Failure to comply will result in death or serious injury Safety Decal on Platform Cylinder Part 1751 0138 4111 0024 December 2014 SAFETY A DANGER CRUSH HAZARD DO NOT ENTER PIT unless dock leveler is safely supported by maintenance prop Place barriers on drive way and dock floor to indicate service work being performed Refer to owner s user s manual for proper maintenance procedures Failure to comply will result in death or serious injury Safety Decal on Hear Platform Part 1751 0130 DANGER If for any reason the platform is raised by means other than the hydraulic system i e Fork truck or crane a hazardous condition may exist because the main hoist cylinder will have air on the load bearing end The cylinder will not support the platform which can fall rapialy potentially causing injuries to anyone under the platform Be sure the leveler is restrained per instructions in the owner s user s manual When repairs service is complete unit must be operated in the raised direction only until visible rnovement of platform indicates cylinder is full If alternate lifting means are still available use to return platform to original lowered position and then raise unit hydraulically Safety Decal on Rear Platform Part 1751 0229 OWNER S USER S
17. IES FOR INCIDENTAL CONSEQUENTIAL OR SPECIAL DAMAGES OF ANY KIND INCLUDING BUT NOT LIMITED TO BREACH OF WARRANTY LOSS OF USE LOSS OF PROFIT INTERUPTION OF BUSINESS OR LOSS OF GOODWILL PRODUCT SPECIFIC WARRANTY VSH SERIES LEVELER In addition to the Standard Product Warranty provided with all McGuire Products Systems Inc guarantees materials components and workmanship to be free of defects for the following extended periods e Structural Warranty VSH For a period of five 5 years from the date of shipment this warranty specifically applies to the deck section lip section rear hinge assembly and front hinge assembly only e Hydraulic Warranty VSH For a period of five 5 years from date of shipment this warranty specifically applies to the hydraulic pump and motor all hydraulic cylinders hydraulic pressure lines and fittings only
18. NT DO NOT remove the Maintenance Props at this time They should be rotated to the lowered position during installation They will keep the leveler in the upright position once the hinge pins are installed until the storage prop and hoist cylinder are installed and the leveler is ready for testing 4111 0024 December 2014 INSTALLATION IMPORTANT 2 D v O Same Qo 2 O gt L Oo gt L O amp bz _ i I O gt uu O e D O Ia O O Q O O O O TD O D O C O c O O D Wi C D Pr C D 2 O Q gt C cC c a oO O E Es Q O eo O A gt res I O O O v gt O Remove any control panel bumpers or pelletizing 1 Do not remove banding on hoist cylinder or storage prop that may be banded to the dock leveler at this time 2 Make sure the mounting hardware of lifting bracket s A is snug The brackets should pivot relatively freely on the mounting cap screw DO NOT over tighten NOTE Overall length of lifting chain and bracket A must be kept to a minimum to prevent interference between the lifting equipment and the building ceiling or door as the dock leveler is lowered into the pit 3 Attach lifting chain to lifting bracket s A and to a lifting device i e hoist or fork truck
19. TS Item Quantity Part Number Description A 1 See Table page 37 Lip Weldment B 1 See Table page 37 Platform Welded Assembly 9202 0050 Pin Lip Hinge 6 W 9202 0051 Pin Lip Hinge 6 5 W 9202 0052 Pin Lip Hinge 7 W C 9202 0053 Pin Lip Hinge 6 W SS 9202 0054 Pin Lip Hinge 6 5 W SS 9202 0055 Pin Lip Hinge 7W SS 9202 0040 Rear Hinge Pin S j 9202 0041 Rear Hinge Pin Stainless Steel E 8 2101 0245 Cotter Pin F 1 9515 Imbed Call G 2 9222 0221 Maintenance Prop H 4 2101 0262 Bolt 5 8 11 UNC X 1 75 Grade 8 4 2101 0042 Nut 5 8 11 UNC Grade 5 J 1 0525 0085 Lip Cylinder K 1 9202 0004 Pin Lip Cyl 3 4 Dia x 4 3 8 Lg L 2 2101 0049 Hairpin Clip M 1 2401 0004 Grommet N 1 0525 0066 Hoist Cylinder O 1 9202 0038 Pin Hoist Cyl 49 64 Dia 10 1 4 Lg P 4 2101 0093 Washer flat 3 4 Q 1 8581 0023 Prop Kicker R 4 2101 0153 Hex Head Cap Screw 1 4 20 UNC x 1 2 Lg S 4 2101 0005 Washer 1 4 in Lock T 2 9225 0016 Storage Prop U 1 9202 0067 Hoist Cyl Pin Rod End V 1 2101 0259 Ring Clip Rue W 2 2101 0046 Cotter Pin X 1 0522 0005 Clevis Pin Y 1 2101 0045 Cotter Pin 4111 0024 December 2014 39 PARTS SC Vertical Leveler Hydraulic Components Sight Glass Fill reservoir thru allen Fluid should cover half the sight plug not the breather glass Fluid level must be checked with leveler in the
20. TY Maintenance Safety Precautions Hydraulic and electrical power must be OFF when servicing the equipment For maximum protection use an OSHA approved locking device to lock out all power sources Only the person servicing the equipment should have the key to unlock the device Always post safety warnings and barricade the work area at dock level and ground level to prevent unauthorized use of the unit before maintenance is complete The storage maintenance props 2 must be in the Maintenance position when working under the dock leveler and the storage prop must have a grade 8 or better in the locking hole For maximum protection use an OSHA approved locking device to lock out the main power supply Only the person servicing the equipment should have the key to unlock the device ALWAYS stand clear of dock leveler and lip when working in front of the dock leveler Failure to do this may result in serious personal injury or death ALWAYS disconnect electrical power source and ground wire before welding on dock leveler DO NOT ground welding equipment to any hydraulic or electrical components of the dock leveler Always ground to the dock leveler frame Failure to follow these instructions may result in damage to dock leveler and or serious personal injury or death DO NOT grind or weld if hydraulic fluid or other flammable liquid is present on the surface to be ground or welded DO NOT grind or weld if uncontained
21. VSH SERIES Dock Leveler A Division of Systems Inc Owner s User s Manual LU LL 7 ses E ann A LIIIILIIILILILILILILILIL 4 B T U U U 4 MN bd tol tol U EII SSS l bier i tot H tot aes U il Il 1 kasd j gna ny l J i r Lola Lo MCGUIRE Division of Systems Inc W194 N11481 McCormick Drive Germantown WI 53022 800 624 8473 fax 262 257 9399 www wbmcguire com techservices docksystemsinc com Printed in U S A Manual No 4111 0024 Copyright 2014 December 2014 Table of Contents Page Safety Recognize Safety Information eee 1 General Operational Safety Precautions 1 Operational Safety Precautions e neee 2 Maintenance Safety Precautions ee seres d Safety D CORS ess ne ee caen ie 5 Owners Users Responsibility sense 6 Introduction General Information cccecceeseeeceeseecenseeseeneeecenseeeenseseenseeeeenseneonees 7 Dock Leveler Stock Specifications 7 Component Identification cce eeee esee 8 Installation Prepare 14 L 9 Prepare Dock Leveler e enean ennenen 10 Install Doc
22. al solenoid will activate the Storage prop The solenoid H will hold the Storage prop out for a short period of time to allow the leveler to lower The leveler will start to lower down to the transport vehicle When the leveler is about 12 to 15 above dock height the leveler will go into float mode You will also hear the motor make a different sound and you no longer need to hold the LOWER button This feature is designed into the operation of the leveler to allow for the floating vertical motion of the transport vehicle during loading and unloading LIP Lower and LIP Raise K To lower the lip the vertical leveler must be in the lower mode Press the LOWER button and LIP button at the same time the motor will shut off and the lip will lower To raise the 18 K Lip Button L Lower Button lip the leveler must be in the raise mode Press the RAISE button and the LIP button the motor will still run and the lip will raise The LIP push button is inactive while the leveler is in the float mode Also when leveler is stored Some models are equipped with multiple cylinders 4111 0024 December 2014 Operating Instructions Stay clear of dock leveler when transport vehicle is entering or leaving dock area DO NOT move or use the dock leveler if anyone is under or in front of leveler Keep hands and feet clear of pinch points Avoid putting any part of your body near moving parts Failure to follow these instructi
23. ase when calling or faxing orders 4111 0024 December 2014 47 NOTES 48 4111 0024 December 2014 Customer Information MISCELLANEOUS NOTE Refer to illustration for left right orientation of dock leveler The model serial number decal A is located on the right platform joist near the front lip of dock leveler When you receive your VSH dock leveler write down the dock leveler model and serial number in the form provided This will help ensure safe keeping of the numbers in the event the model serial number decal A becomes lost or damaged Also write down Systems Inc s job number the company that 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 When ordering use part numbers and description to help identify the item ordered Do not use item numbers These are only for locating the position of the parts Always give dock leveler MODEL NUMBER and or SERIAL NUMBER For service call or contact Systems Inc P O Box 309 Germantown WI 53022 Phone 800 643 5424 Fax 262 255 5917 4111 0024 December 2014 Serial No Systems Inc Job No Original Owner Information Address Address Date of Installation 49 STANDARD PRODUCT WARRANTY SYSTEMS INC warrants that its products will be free from defects in design materials and workmanship for a period of one
24. ause of blown fuse Check motor starter as follows 1 Disconnect wires at load side of starter 2 Energize the starter 3 4 Measure line to line voltage at load side of Measure line to line voltage at line side of starter starter Line side and load side voltages should be approximately the same Replace starter if voltage values are considerably different from one another Check all wiring to motor for high resistance or no connection Reverse any two legs at the branch circuit disconnect Check wiring to motor for high resistance Check for loose or corroded connections Check if gauge of wires to motor are of correct size and specification for load requirement Replace if necessary Replace motor Defective motor capacitor Heplace motor 31 TROUBLESHOOTING Platform does not Heavy object s on platform Remove object s from platform rise Pump operates in pressure relief mode NOTE For safety reasons the dock leveler is designed to lift only the platform s own weight Dock leveler binds Check for visible obstructions that could cause binding Remove obstructions If no obstructions found call Technical Services See inside back cover for phone number and address Pressure relief set too low Increase pressure relief See Adjust Main Pressure Helief in the Adjustment section NOTE The pressure relief valve must not be set at a level that causes the motor operating current to
25. cker does not kick Possible prop kicker Solenoid not working Platform does not lower Possible Mercury switch not working Leveler pump runs prop Storage Prop Not enough Free play in the storage prop kicker works but Platform see page 29 does not lower Leveler pump runs prop D and E Coils not Both valves must be energized Check power to the kicker works but Platform lenergized all spool valves they should have a magnetic pull does not lower Pump Motor must be running Bad spool valve Hemove and clean spool valves or replace with new or good working valves Pump Motor must be running 4111 0024 December 2014 33 PARTS Storage Limit Switch Item Quantity Part Number Description A 2 2101 0027 Screw 10 32 UNF x 1 75 Lg B 1 0961 0130 Arm Limit Switch C 1 0961 0186 Limit Switch 34 4111 0024 December 2014 Solenoid Prop Kicker PARTS Item Quantity Part Number Description A 3 2101 0153 Bolt 1 4 UNC 1 2 Lg B 3 2101 0005 Washer Lock 1 4 C 1 8581 0023 Solenoid Prop Kicker J Box A C Item Quantity Part Number Description A 1 2751 0042 J Box Fiber Glass 5 x 5 Includes Cover B 1 0961 0054 Mercury Switch C 1 3051 0025 Rectifier Bridge 4111 0024 December 2014 35 PARTS Storage Prop Assembly D L S m L S L B Item Quantity Part Number Description
26. e of the equipment 3 It is recommended that when the transportation vehicle is positioned correctly in the dock opening and in contact with both bumpers there shall be a minimum of 4 00 inches 100mm overlap of the leveling device and the transportation vehicle at all times during the loading and unloading process 4 The Owner User must review all name plates placards decals instructions and posted warnings and place the same in view of the operator or maintenance personnel for whom such warnings are intended for Contact manufacturer for any replacements 5 Manufacturers recommended periodic maintenance and inspection procedures in effect at the date of shipment shall be followed at all times Written documentation of maintenance replacement parts or damage should be retained In the event of damage notification to the manufacturer is required 6 Loading dock equipment that has been structurally damaged or has experienced a sudden loss of main support while under load such as what might occur when a transport vehicle pulls out from under the leveling device shall be removed from service inspected by a manufacturer s authorized representative and repaired or replaced as needed before being placed back in service 7 Any modifications or alterations of loading dock equipment shall only be done with prior written approval from the manufacturer and the same shall be at least as safe as the original equipment was prior to the modification
27. ehicle bed 20 When fully raised the leveler will shut off and the Blue stored light will come on 8 Remove chocks from transport vehicle wheels or release the vehicle restraint if used 9 Indicate to driver that transport vehicle may leave the dock End Loading Unloading Platform at Cross Traffic Position 4111 0024 December 2014 OPERATION Operating Instructions Continued Below Dock End Loading Unloading Instructions Dock Leveler Loading Unloading Instructions 1 Check to make sure the transport vehicle is positioned squarely against dock bumpers 2 Instruct driver to remain at the dock until the loading or unloading process has been completed 3 Chock the transport vehicle wheels or use the vehicle restraint if available 4 Lower platform and lower the lip i Lower platform until the legs on the bottom of the leveler makes contact with the pit floor NOTE Optional Lip Keepers 1 Check to make sure transport vehicle is positioned squarely against dock bumpers VERTICAL STORING LEVELE CONTROL 5 2 Instruct driver to remain at the dock until the loading or unloading process has been completed 3 Chock the transport vehicle wheels or use the vehicle restraint if available 4 Lower platform and lower lip until lip makes contact with the Lip Keepers We ee ae eee Gee eee ee Ure n pha Rum um ee 5 Proceed with loading or unloading 5 Proceed with loading or unload
28. er 2014 TROUBLESHOOTING Platform does not rise to Low hydraulic fluid Add fluid as needed See Periodic Maintenance in full height the Maintenance section Platform does not rise Coil energized on the float Remove wire of terminal strip to the float coil If coil leveler raises possible bad PLY or relay Bad spool valve Remove and clean spool valve or replace with new or good working valve Platform Does not rise to Low hydraulic fluid Add fluid as needed See Periodic Maintenance in full height the Maintenance section In correct adjustment on the Adjust the limit switch so the plate form leans 5 deg Limit switch toward the door see adjustments Lip does not extend C Coil not energized Check power to the spool valve should have a magnetic pull when energized Pump Motor must be running Bad spool valve Remove and clean spool valve or replace with new or good working valve Pump Motor should not be running Lip does not lower D and E Coils not All three valves must be energized Check power to energized the all spool valves they should have a magnetic pull Pump Motor must be running Bad spool valve Remove and clean spool valves or replace with new or good working valves Pump Motor must be running Platform does not lower Blue stored light not on Limit switch not adjusted correctly see adjusts page 28 Possible bad switch stored limit switch Leveler pump runs but Prop ki
29. eveler has not been used recently cycle leveler once Turn OFF all electrical power to the dock leveler Attach safety lockout and tagout devices Lower maintenance props Adjust yoke on the storage prop till you have minimum 1 2 of free play in the prop When the free play is adjusted check the amount of threads exposed in the yoke If more 1 1 2 threads exposed the thread rod of the storage prop must be shorted Haise maintenance props Turn on electrical power remove lockout tagout devices 29 TROUBLESHOOTING Troubleshooting When service under the dock leveler is required always lock all electrical disconnects in the OFF position after raising the platform and engaging the maintenance prop Failure to do this may result in serious personal injury or death Always post safety warnings and barricade the work area at dock level and ground level to prevent unauthorized use of the dock leveler before maintenance is complete Failure to do this may result in serious personal injury or death 4 DANGER A Arc Flash and Shock Hazard PPE Personal Protection Equipment Required De energize equipment before working on or inside Do not open cover without appropriate PPE Refer to NFPA 70E for PPE requirements This panel may contain more than one power source Hazardous Voltage Will Cause Severe Injury or Death Before performing the detailed troubleshooting procedures check the fol
30. having the appropriate lifting capacity and reach d R P A a oo a a a NR PE e d RTE RE LM NN D MURS Mob e P G Maintenance props in lowered location during installation and service 11 4111 0024 December 2014 INSTALLATION Install Dock Leveler Shim Stacking Methods E Q IMPORTANT The minimum size of the shim that contacts the leveler frame i e the top shim of each shim stack must be at least 4 1 2 x 4 1 2 in 114 3 x 114 3 mm to support the full width of the hoist cylinder storage prop weldment Use the thickest shim stock possible for stability and weld penetration purposes DO NOT use multiple layers of 1 8 in 3 18 mm or thinner shim stock 4 Before installing the leveler the Imbed channel must be shimmed and welded to the Imbed on the pit floor A Distance Leveler Frame F Pyramid Preferred Height G Stepped Acceptable B Shim Location Under H Offset Not Acceptable Maintenance Prop Straight Not Acceptable Standard Dock Leveler Only C Dock Floor D Rear Imbed Frame E Imbed Frame Maintenance Prop 12 4111 0024 December 2014 INSTALLATION The dock leveler is heavy Use chains and a lifting device with the appropriate lifting capacity and reach Failure to do so may result in damage to dock leveler and or
31. he maintenance prop Unless the dock leveler is equipped with a tethered remote two people are required to engage the maintenance prop one person to operate the unit the other person to engage the maintenance prop Failure to follow these instructions may result in serious personal injury or death 22 When maintenance is to be performed on the dock leveler First install the SAFETY bolt in the storage prop D Second support the platform with maintenance props C Caution The lip may fold down after the platform has rested on the maintenance prop Whenever servicing the dock leveler lock the electrical power disconnect in the OFF position Use only an OSHA approved lockout device B and tagout device A Only the person servicing the equipment should have the capability to remove the lockout devices The tagout devices must inform that repairs are in process and clearly state who is responsible for the lockout condition Refer to OSHA regulation 1910 146 Refer to OSHA regulation 1910 147 4111 0024 December 2014 MAINTENANCE Periodic Maintenance A Lip Hinge Area C Storage Prop E Lip Cylinder B Platform Pins D Hoist Cylinder Pump and reservoir not shown for clarity To ensure normal operation of the dock leveler use only Aircraft Hydraulic Fluid designed to meet or Before performing any maintenance under the exceed military specification MIL H 5606 G It is dock leveler lock t
32. he electrical power source in recommended that the following hydraulic fluids be OFF position and lock the maintenance prop in the used service position using an approved locking device See Service Dock Leveler Safely in this section e Ultra Vis Hvi 15 s Aero Shell Fluid 4 or Fluid 41 Failure to follow these instructions may result in Mobile Aero HFA Mil H5606 G or Aero HF e Texaco Aircraft Hydraulic Oil 15 or 5606 e Exxon Univis J13 IMPORTANT These fluid brands can be mixed together Mixing with fluids that do not meet or exceed MIL H 5606 G Use of fluids that do not have equivalent n ME may damage the equipment and WILL void warranty Spec on 9 MOSE nite ONOWING Ust wit result Use of hydraulic fluids with equivalent specifications in abnormal operation of the dock leveler and to those listed here are acceptable voiding of warranty serious personal injury or death 4111 0024 December 2014 23 MAINTENANCE Regular maintenance must be performed on a weekly and quarterly schedule Weekly Maintenance e Operate the dock leveler through the complete operating cycle to maintain lubrication NOTE Make sure the limit switch is clear of debris Inspect the platform hinge and the lip hinge areas The hinge areas must be kept free of dirt and debris Build up of foreign material in the hinge areas will cause abnormal operation IMPORTANT Failure to properly lubricate the dock leveler will cause abnormal operation of
33. hydraulic fluid or other flammable liquid is present Stray sparks can ignite spills or leaks near the work area Always clean up the oil leaks and spills before proceeding with grinding or welding Always keep a fire extinguisher of the proper type nearby when grinding or welding Failure to follow these instructions may result in serious personal injury or death DANGER AW Arc Flash and Shock Hazard PPE Personal Protection Equipment Required De energize equipment before working on or inside Do not open cover without appropriate PPE Refer to NFPA 70E for PPE requirements This panel may contain more than one power source Hazardous Voltage Will Cause Severe Injury or Death 4111 0024 December 2014 Safety Decal s A DANGER CRUSH HAZARD DO NOT WORK UNDER DOCK LEVELER unless all maintenance props have been properly positioned Side maintenance props must be positioned as shown in figure A below Prop locking pin must be positioned as shown in figure B below Refer to owner s user s manual for proper procedure Failure to do so will result in death or serious injury FIG A Storage Position FIG B UA ic A Maintenance Position Safety Decal on Leveler Frame Part 1751 0230 A DANGER CRUSH HAZARD DO NOT REMOV
34. igurations voltages phases and options to meet your specific needs INTRODUCTION Component Identification A Lip G Prop Kicker Behind Prop Assy B Deck H Storage Prop Assembly with Lock Out Pin included F C Lip Cylinder Hinge Pin D Flow Control Valve J Stored Limit Switch E Hoist Cylinder K Maintenance Props F Storage Prop Yoke Some models are equipped with multiple hoist cylinders Powerpack may be mounted on underside of leveler or remotely 8 4111 0024 December 2014 INSTALLATION Prepare Pit A Distance Pit Width B Distance Dock Floor to Pit C Distance Pit Length D Distance Pit Corner to Corner Top Front and Rear Floor All Four Corners 1 2 Both Sides of Pit Bottom and Both Sides Taper Rear to Front Post safety warnings and barricade the work area at dock level and ground level to prevent unauthorized use of the dock leveler before Measure pit width distance A at both front and installation has been completed rear of pit mE e Measure dock floor to pit floor distance B on Failure to follow the installation instructions can both sides of the rear embed channel and at result in damage to dock leveler the facilities and front if applicable or serious personal injury or death e Measure pit floor taper rear to front cannot exceed 1 2 total taper Measure pit length distance C at both sides e Measure corner to corner cris cross distance
35. in the prop Adjustment Set Screw Screw Down Speed Control Adjustment If the dock leveler lowers to slow the down speed control requires adjustment The speed control adjusting screw A The set screw is located on the hoist cylinder B directly above hoist cylinder and below the upper hose The Down speed flow control is pre set at 1 1 2 turns out from fully closed To adjust the speed control a Loosen the allen head set screw b To decrease the lowering speed turn knurled knob screw A clockwise c To increase the lowering speed turn knurled adjusting screw A counterclockwise d Tighten the set screw when once desired down speed has been set 28 4111 0024 December 2014 Storage Prop Adjustment 1 2 Min to 1 Max Max Threads Exposed 1 1 2 When service under the dock leveler is required always lock all electrical disconnects in the OFF position after raising the platform and engaging the maintenance prop Failure to do this may result in serious personal injury or death Always post safety warnings and barricade the work area at dock level and ground level to prevent unauthorized use of the dock leveler before maintenance is complete Failure to do this may result in serious personal injury or death 4111 0024 December 2014 Maintenance prop ADJUSTMENTS Maintenance Prop Adjustments Raise platform fully and engage the storage prop in the service position If dock l
36. ing B RAISE Button D LIP Button 3d1 7970 End Loading Unloading Platform at Below Dock Position 4111 0024 December 2014 21 MAINTENANCE Service Dock Leveler Safely AA DANGER A Arc Flash and Shock Hazard PPE Personal Protection Equipment Required De energize equipment before working on or inside Do not open cover without appropriate PPE Refer to NFPA 70E for PPE requirements This panel may contain more than one OWer SOI Hazardous Voltage Will Cause Severe Injury or Dea A Tagout Device B Lockout Device When service under the dock leveler is required always lock all electrical disconnects in the OFF position after raising the platform and engaging the maintenance prop Failure to do this may result in serious personal injury or death C Maintenance Props D Storage Prop Always post safety warnings and barricade the work area at dock level and ground level to prevent unauthorized use of the dock leveler before maintenance is complete Failure to do this may result in serious personal injury or death Always stand clear of the dock leveler lip when working in front of the dock leveler The maintenance prop MUST be in the service position when working under the dock leveler For maximum protection use an OSHA approved locking device to lock the maintenance prop in the service position Only the person servicing the equipment should have the key to unlock t
37. inimum of maintenance Its revolutionary hydraulic system efficiently controls and operates every function To obtain maximum performance and longest possible use a simple program of preventive maintenance is recommended VERTICAL i STORING LEVELER CONTROL The VSH series dock leveler comes equipped with an electrical control panel which allows push button operation of the dock leveler functions Each VSH dock leveler unit and control panel has been factory pre wired and tested to ensure satisfactory operation To illustrate which connections are to be made in the field at installation electrical drawings are included with each order or by contacting Technical Services Once again thank you and congratulations on your purchase of a McGuire hydraulic dock leveler 4111 0024 December 2014 INTRODUCTION Dock Leveler Stock Specifications Models Nominal Size W x L VSH 65 6 x 5 VSH 66 6 x 6 VSH 68 6x8 VSH 655 66 x 5 VSH 656 66 x 6 VSH 658 66 x 8 VSH 75 T X B VSH 76 7x6 VSH 78 7x8 VSH dock levelers are available in the following sizes weight capacities and options Width VS 6 ft 1828 8 mm 6 1 2 ft 1981 2 mm 7 ft 2133 6 mm Length 5 ft 1524 mm 6 ft 1828 8 mm 8 ft 2438 mm Capacity CIR 40 000 Ib 18 144 kg 45 000 Ib 20 412 kg 50 000 Ib 22 680 kg CIR Comparative Industry Rating Call McGuire to discuss available powerpack mounting conf
38. k Leveler T E 11 Install Control Panel and Wiring 14 Put New Leveler Into Service 16 Operation liie t 18 Operating Instructions aem 19 Ramp Loading Unloading Instructions 20 End Loading Unloading Instructions 21 Maintenance Service Dock Leveler Safely e enne 22 Periodic Maintenance e R 23 Adjustments Adjust PPAC Pressure Relief cesse 26 Adjust Main Pressure Relief esse 27 Purging Hydraulic System sss ssssssssss sese crm acc ena SR una Dr REUS ennes 17 Rid SIC vs A d sku T E causes coveassousewcesaes 28 Rod IE VS Fy CS lg E 17 Troubleshooting WF OUD ICS MOO TING m 31 Parts MISO IP AS aac eastern esa E ene duas tesi 38 Frame and Platform S 40 Hydr lic Components sssrinin aa ia 40 Hydraulic Valve Components e eee eeee eere 42 Hoist Cylinder Repair Parts eese 44 Lip Cylinder Repair Parts uei eue arcos nad oia vacas aua enen ennenen nee 45 Power O dnl e U 46 Miscellaneous Customer Information onis ua sn 49 Lira me
39. lowing items first e Check all fuses inside the control panel s Replace any blown fuse s with a fuse of equal specification 30 e Make sure the correct voltages are present at the proper locations inside the control panel s 4111 0024 December 2014 Platform does not rise Motor overload device or lower Motor does not tripped or fuse blown energize Motor starter three phase or motor relay single phase not energizing Three phase units only No voltage is present on Platform does not rise or one line lower Motor hums but does not run NOTE A motor that is missing voltage on one line is said to be single phased Three phase units only Phase reversed Platform does not rise Motor runs in reverse Single phase units only Line voltage too low Platform does not rise or lower Motor energizes but does not run Defective motor centrifugal switch 4111 0024 December 2014 TROUBLESHOOTING Reset overload relay three phase or replace fuse s single phase Determine cause of overload NOTE When replacing fuse s the new fuse must have the same specification as the old fuse Check voltage at starter or relay coil If voltage is present and starter or relay does not energize replace starter or relay If voltage is not present check all components in series with the starter or relay coil Check for blown fuses at branch circuit disconnect Heplace fuse Determine c
40. ock Push and hold the RAISE button until the leveler turns off and the Blue stored light comes on and the Blue stored light comes on Hazardous Voltage Will Cause Severe Injury or Death 14 4111 0024 December 2014 INSTALLATION Placard installation Instructions e Owner User is responsible for the installation and placement of placards e Make sure placard is in plain view of dock leveler operations e Suggested placement of placard is near control box attached to electrical conduit by using nylon tie If there is no control box present mount placard on wall to the immediate left of leveler at eye level v C oe MURS LR SN Control Box Box RES RU RE Nyon re Se Bass KY _ 7 jj 7 P IH AF T A NX 4111 0024 December 2014 15 INSTALLATION Put New Dock Leveler Into Service 1 Disconnect the external lifting device and chains DO NOT grind or weld if hydraulic fluid or other from the lifting brackets flammable liquid is present on the surface to be ground or welded 2 Complete all welding DO NOT grind or weld if uncontained hydraulic 3 Install hydraulic hoses and fill system fluid or other flammable liquid is present Stray sparks can ignite spills or leaks near the work area 4 Connect all electrical connections Always clean up the oil leaks and spills before proceeding with grinding or welding 5 Purge system see pg 17 Always keep a fire extinguisher of the pr
41. omplete Failure to do this may result in serious personal injury or death oP mi In Let A Motor B Pump C Main Pressure Relief T a En p A Reservoir D Hex Adjusting Screw B Main Pressure Relief E Jam Nut C Pump Motor F Acorn Nut 26 4111 0024 December 2014 ADJUSTMENTS Adjust Main Pressure 1 The leveler must be in the stored position and the aA eleison maintenance prop in the service position Jam Nut 2 Turn OFF all electrical power to the dock leveler Attach safety lockout and tagout devices 3 Loosen jam nut F 4 Adjust slotted head adjusting screw D as follows e Turn clockwise to increase pressure relief e Turn counterclockwise to decrease pressure relief While holding the adjusting screw tighten jam nut Turn ON electrical power to the dock leveler Check leveler operation o0 N Oo Repeat steps 1 8 as necessary 4111 0024 December 2014 27 ADJUSTMENTS Stored Limit Switch Adjustment 1 Loosen Set Screw 2 With roller arm contacting storage prop rotate adjustment screw counter clockwise until a Click noise is heard 3 Tighten set screw head cap screw 4 Readjust as needed to leveler allow to store 5 Degrees from vertical leaning away from the operator 5 After adjusting the stored limit switch check for correct play
42. ons most likely result in severe personal injury or death Only trained personnel should operate the dock leveler DO NOT use a broken or damaged dock leveler Make sure proper service and maintenance procedures have been performed on leveler before using Transport vehicles wheels must be chocked unless the vehicle restraint is used Never remove the wheel chocks until loading unloading is finished and transport vehicle has been given permission to leave Make sure platform lip rests on the transport vehicles bed with at least 4 in 102 mm of overlap Maintain a safe distance from side edges of leveler during the loading unloading process Failure to follow these instructions may result in serious personal injury or death The dock leveler operating instructions are divided into the two methods of loading and unloading e For ramp loading and unloading see Ramp Loading Unloading Instructions on page 20 s For end loading and unloading see End Loading Unloading Instructions on page 21 4111 0024 December 2014 OPERATION 10 in 254 mm sete Hlc pq C G 8 in 203 mm The VSH hydraulic dock leveler is designed to compensate for a maximum 10 in 254 mm above and 8 in 203 below dock difference between the loading dock and the transport vehicle bed DO NOT use the dock leveler if the transport vehicle bed is more than 10 in above 8 in below higher or lower than the dock floor Based on a 5 f
43. oper type 6 Connect hoist cylinder see pg 17 nearby when grinding or welding 7 Test leveler for operation Failure to follow these instructions may result in serious personal injury or death IMPORTANT DO NOT connect the dock leveler electrical wiring and ground connections until all welding has been completed DO NOT ground welding equipment to any hydraulic or electrical components of the dock leveler Always ground welding equipment to the dock leveler frame NEVER to the platform Failure to follow these instructions may damage the motor hoist cylinder wiring and or control panel Following start up or if the platform is raised using an external lifting device or the hydraulic system is opened to atmosphere air will enter into the hydraulic system Whenever this happens purge air from hydraulic system fully Failure to do this may result in damage to the equipment serious injury or death 16 4111 0024 December 2014 Purging air from the VSH hydraulic system 1 Begin by supporting the leveler in the stored position with the storage prop and maintenance props Lock out the storage prop with the locking bolt 2 Lock out and tag out the leveler 3 Disconnect the lower hoist cylinder mounting pin 4 Remove one of two screws holding the stored limit switch Swivel stored limit switch away from storage prop SEE PAGE 28 5 Open down speed flow control valve counter clockwise Down speed
44. serious personal injury or death A Bottle Jack A Rear Imbed C Maintenance Props E lifting Lug B Dock Leveler D Hinge Pins F Storage Prop 5 Lube the three rear hinge pins using grease Install 7 Once the three hinge pins are installed Install the the three pins in the rear imbed only through out Storage prop Install latch pin the first hinge tube 8 Make all hydraulic connections 6 Lower the Vertical leveler down centering the leveler s three hinge pins with the imbeds three 9 Make all electrical connection pins Note Do not connect hoist cylinder at this time e Insert the pins Start with the outside first System must be bleed before connected see second install the center pin and than the last page 17 out side hinge pin e Option use a bottle jack to align the rear of the dock leveler to the imbed channel 4111 0024 December 2014 13 INSTALLATION Install Control Panel and Wiring The electrical power must be OFF prior to electrical installation For maximum protection use an OSHA approved locking device to lock out all power sources Only the person installing the equipment should have the key to unlock the power source Failure to follow these instructions may result in serious personal injury or death DO NOT make any final electrical connections until all welding has been completed Failure to do this may result in serious personal injury or death All electrical work
45. t or 6 ft long leveler Service height may vary with design specifications DO NOT overload the dock leveler DO NOT operate any equipment while under the influence of alcohol or drugs DO NOT leave equipment or material unattended on the dock leveler Failure to follow these instructions may result in personal injury and or damage to equipment OPERATION Operating Instructions Continued Ramp Loading Unloading Instructions NOTE If end unloading is required see End Loading Unloading Instructions on page 21 1 Check to make sure transport vehicle is positioned squarely against dock bumpers 2 Instruct driver to remain at the dock until the loading or unloading process has been completed 3 Chock the transport vehicle wheels or use the vehicle restraint if available d DANGER A LOWER Button 4 Lower the platform lip onto transport vehicle as follows B RAISE Button U Tete Proceed with loading or unloading the transport vehicle If end loading is necessary see End Loading Unloading Instructions on page 21 iA DANGER C STORED Light When loading or unloading is finished raise the platform by pushing and holding RAISE button a Lower platform by pushing and holding LOWER button b Make sure that the lip is fully extended and supported on the transport vehicle along the entire width of the platform with at least 4 in 102 mm of lip contacting the transport v
46. the leveler Quarterly Maintenance Include Weekly Maintenance e Lubricate the following areas with light weight machine oil A Lip hinge area unless equipped with grease fittings apply oil to the top of the entire length of lip hinge when platform is in the stored position and lip is folded B Platform hinge area apply oil to top of all platform hinges when platform is in the stored position C Apply a light oil to the Storage prop pins D Grease the hoist cylinder grease fitting E Apply a light oil to the Lip Cylinder pins NOTE Apply grease to lip hinge grease fittings if equipped 24 Yearly Maintenance e Lubricate the following areas with light weight machine oil A Lip hinge area unless equipped with grease fittings apply oil to the top of the entire length of lip hinge when platform is in the stored position and lip is folded B Platform hinge area apply oil to top of all platform hinges when platform is in the stored position C Apply a light oil to the Storage prop pins D Grease the hoist cylinder grease fitting E Apply a light oil to the Lip Cylinder pins F Change hydraulic oil may be required more often depending upon conditions NOTE Apply grease to lip hinge grease fittings if equipped 4111 0024 December 2014 Checking Fluid Levels Reservoir on Remote Pumps 4111 0024 December 2014 MAINTENANCE N
47. y U 1 9301 0203 Site Glass 1 Provide dock leveler serial number platform size and lip size when calling or faxing orders Provide length and width of inspection plate opening when calling or faxing orders 4111 0024 December 2014 41 PART S VS Manifold Return To Tank Ql Pump Psi H Pressure Relief C Lip Valve A Hoist Cyl Hod End D L fu Lip Cyl Hoist Cyl Bind End LO ql K Ga LIE SE id Bd E ut AT EE A 13 X A DS Item Quantity Part Number Description A 1 8581 0005 Valve Cartridge 3 Way Delta B 1 8581 0102 Valve Cartridge 2 Way Bi Dr Delta C 1 8581 0011 Valve Cartridge 4 Way 2 Pos Delta D 1 8581 0010 Valve Cartridge 2 Way N C Poppet Delta E 1 8581 0105 Valve Cartridge Relief F 1 S Valve Manifold G 1 d Fitting Plug H 2 9301 0111 Fitting 6 ORB X 8 Jic 3 9301 0113 Fitting 90 Deg 6 ORB X 6 Jic J 4 8581 0004 Delta Coil 115V Includes 1 2 UNF Jam Nut K 2 4301 0001 Cable Assy 48 Lg Includes Screw L 2 4301 0003 Cable Assy 48 Lg Includes Screw Two Coil M 1 8581 0139 Orifice Check Lip Flow Control N 1 8585 0089 Vertical Valve Assembly A I amp M Included in 8583 0089 Not Sold Separate 42 4111 0024
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