“MP” SERIES Owner/User Manual
Contents
1. Service Dock Leveler Safely HA 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 Failure to do this may result in serious personal injury or death The platform maintenance prop MUST be in the service position when working under the dock leveler For maximum protection use an OSHA approved lock out tag out device supplied by others to lock the maintenance prop in the service position Only the person servicing the equipment should have the key to unlock the maintenance prop Failure to follow these instructions May result in serious personal injury or death 4111 0019 Nov 2009 MAINTENANCE Whenever maintenance is to be performed under the dock leveler platform support the platform with the platform maintenance prop B Put the platform Maintenance prop in the service upright position so that the prop is cradled in back of the header plate and the underside of the deck plate Secure the platform Maintenance prop in this position by inserting the pin or attaching an OSHA approved lockout device and tagout device supplied by others Only the person servicing the equipment should have the capability to remove the lockout device The2. MP Series Dock Leveler A Division of Systems Inc Owners Users Manual MCGUIRE Division of Systems Inc e W194 N11481 McCormick Drive Germantown WI 53022 800 624 8473 fax 262 255 9399 www wbmcguire com techservices docksystemsinc com Printed in U S A Manual No 4111 0019 Copyright 2006 REV April 2007 REV JULY 2007 REV November 2009 Table of Contents Page Safety Recognize Safety Information 00a 1 General Operational Safety Precautions 1 Operational Safety Precautions 000e 2 Maintenance Safety Precautions 000 4 Safety Decals 000 es 5 Introduction General Information 0000 7 Dock Leveler Stock Specifications 2000 7 Component Identification 20a 8 Installation Prepare PIL SEERNES po E KE NERO ees 9 Prepare Dock Leveler cece eee ee 10 Install Dock Leveler eee ee 12 Operation SOV snastesnse anakatbatoda s oka oe ee ee lada S S noz 17 Operating Instructions 00 a 18 Ramp Loading Unloading Instructions 19 End Loading Unloading Instructions 20 Maintenance Service Dock Leveler Safely 00a 21 Periodic Maintenance cece ee es 22 Adjustments Adjust Lift Arm Spring and Lip Assist Spring Tension 24 Adjust Lip Stop Bolt s gece ci
3. tagout device must inform that repairs are in process and clearly state who is responsible for the lockout condition If maintenance requires that the lip be in the extended position raise the lip by hand and support the lip with the lip maintenance prop C NOTE Make sure to disengage the lip maintenance prop and allow the lip to fold fully before disengaging the platform maintenance prop Refer to OSHA regulation 1910 147 21 MAINTENANCE Periodic Maintenance vE Ir M aka NA AW Ge Z N GS N DN D 1 Lip Hinge Grease Fittings 4 Lift Arm Pivot 7 Lip Lift Assist Pin 2 Lip Maintenance Prop Pivot 5 Hold Down Pivot Pulley 8 Hold Down to Platform Pin 3 Lift Arm Roller Bushing 6 Safety Leg Linkage Pivots Always post safety warnings and barricade the The platform maintenance prop MUST be in the work area at dock level and ground level to prevent service position when working under the dock unauthorized use of the dock leveler before leveler For maximum protection use an OSHA maintenance is complete Failure to do this may approved locking device to lock the maintenance result in serious personal injury or death prop in the service position supplied by others Only the person servicing the equipment should have the key to unlock the maintenance prop Failure to follow these instructions may result in Always stand clear of the dock leveler lip when seri
4. 28 29 30 31 32 D Prop Pin and Clip E Safety Leg Pull Remove the lifting brackets from the platform side joists Disengage the platform maintenance prop Slowly walk out onto the platform to lower the platform until it is at the cross traffic stored position Check operation of dock leveler by cycling the leveler at least four times e When the platform is at full height lip will be fully extended e Lip will begin to drop after the unit begins to lower to truck bed Check below dock position by walking platform down before lip folds completely e Lip will be over lip keepers e Platform safety legs will be resting on frame Check full below dock position by walking the platform down Pull and hold safety leg chain E before lip folds completely If the lip does not extend fully or lip folds too quickly see appropriate symptom in the Troubleshooting section Install the dock bumpers as required clean weld splatter and touch up with spray paint 4111 0019 Nov 2006 REV April 2007 Theory 1 Lip 2 Lip Maintenance Prop 3 Platform 4 Lip Link 5 Lip Assist Spring 6 Hold Down Release Ring 7 Ratchet Pawl 8 Ratchet Bar 9 Hold down The MP series mechanical dock leveler uses large lift springs 18 to apply force to lift arm 17 The lift arm pushes against the underside of the platform 3 rolling on the cam not pictured forcing the platform
5. 5021 8435 5022 8435 5023 8435 5024 8435 5025 8435 5026 LE LE N on TI TI O O O O 7 LAP LINK PLATE SPRING a OTH 2218 WASHERS 13 1 porh 2185 NUT COUPLING Pe S 14 2 om2222 washers same sae 15 4 ork 2374 Jpwcorer ls SE _16 1 DFRa 1205 PINLIFTERARM sAME sAME 17 1 prRA 0328 chan 6FOOT DFRA 0329 CHAIN BFOOT DFRA 0340 CHAIN 10 FOOT 18 2 4321129 KEEPERLIP 16 SAME p szetiaz aamcHPm O 2 8432 1130 KEEPER LIP 18 same 8432 1133 24INCHPT 2 8432 1131 KEEPERLIP20 SAME 8432 1134 f24incHer 19 1 0201 0006 PROPPINAND CLIP same SE O 20 1 potH 2401 CASTER WHEELASSY same same 21 1 DPLA 2128 CHAINSNUBBER SAME SAME Must provide dock leveler serial number platform size lip size capacity any options and pit depth when calling or faxing orders DFRA 0322 PLATE SPRING DPLA 1218 IT BAR ASSY DOTH 6875 PLATE SPRING DOTH 6425 BOLT SPRING ADJ N o lv lv lv a gt gt gt P gt SIS IS IS IS m m m m m m N a lv lv lv a gt gt gt P gt SIS IS IS s m m m m m m 31 4111 0019 Nov 2009 PARTS Platform Components 8 GGE B a E D u T NA PLATFORMS meulory seror sro ID Fo a jeoroor esroor roroor eoroor esroor roroor e roor le s roor zo roor 1 sx 0515 5000 9515 5004 s515 5008 25K 9515 5012 9515 5016 9515 5020 ask
6. 55 1 56 1 55 2 56 1 55 2 56 ee 1955 2 56 2 55 2 56 1 55 2 56 1 55 2 56 8 FOOT LONG 2 55 1 56 2 57 2 58 2 57 2 58 4 57 2 57 2 58 2 57 2 58 4 57 4 57 2 57 258 2 57 2 58 2 57 2 58 4 57 4 57 4 57 2 57 2 58 2 57 2 58 2 57 2 58 4 57 2 57 2 58 4 58 4 57 2 57 2 58 4 58 4 57 2 57 2 58 4 58 6 0 FOOT 6 5 FOOT 4 57 4 57 4 57 4 57 4 57 4 57 4 57 4 57 4 57 10 FOOT LONG 8 57 8 58 8 58 8 57 8 58 8 58 8 57 8 58 8 58 8 58 8 58 8 58 8 58 8 58 8 58 8 58 8 58 8 58 8 58 8 58 8 58 6 5 FOOT 7 0 FOOT ld Tl O O oO K 4111 0019 Nov 2006 REV April 2007 PARTS FRTG COMPLETE R amp L 0014 0084 TOE GUARD RH LOWER DKIT 9181 O O LL oo LLI A I m am lt gt LLI O Ee CO N F i kl o o Lu m I m aa lt gt O LLI O N o T f 0014 0072 TOE GUARD RH MIDDLE 0014 0080 TOE GUARD RH MIDDLE 6 FOOT 0014 0062 TOE GUARD LH MIDDLE 0014 0066 TOE GUARD LH LOWER 0014 0074 TOE GUARD LH LOWER 0014 0082 TOE GUARD LH LOWER 0014 0064 TOE GUARD RH MIDDLE SCREW CAP ee 0014 0068 TOE GUARD RH LOWER 0014 0076 TOE GUARD RH LOWER _9 2 DOTH 2641 CHANNEL WEATHER SEAL DOTH 2840 CHANNEL WEATHER SEAL DOTH 2843 CHANNEL WEATHER SEAL 10 2 DOTH 2624
7. 9515 5024 0515 5028 515 5052 1 pok 9515 5001 e515 5005 5515 5009 aor 9515 5013 0515 5017 9515 5021 sok 9515 5025 9515 5029 9515 5033 osx os15 5002 9515 5006 9515 5010 ask 9515 5014 9515 5018 515 5022 ask 9515 5026 9515 5030 9515 5034 9515 5003 9515 5007 9515 5011 aox 9515 5015 9515 5019 9515 5029 40x 9515 5027 0515 5091 9515 5005 9515 5036 9515 5008 9515 5040 45K 9515 5042 9515 5044 _ 9515 5046 ask 9515 5048 9515 5050 1 lesk s515 5007 9515 5039 o515 5041 ss 9515 5043 9515 5045 9515 5047 ssr 9515 5049 0515 5051 9515 5058 32 4111 0019 Nov 2006 PARTS Platform Components _2 1 DPLA 0338 LIP BANGER ASSY _3 2 DPLA 0340 EL ll 9 1 DPLA 0343 BELOW DOCK CONTROL ASSY 10 2 DOTH 2382 INC _11 1 DOTH 2074 BOLT HEX 5 8 11 X 2 00 OO _12 1 DOTH 2160 ___ NUTHEXSBN ONON _17 1 pPLa 0360 BDCPUSH ROD ASSY S _18 1 DOTH 2060 BOLT SHOULDER 19 1 DOTH2131 ORNE _20 1 DOTH6406 LIPASSISTROD 23 1 DOTH 2550 SPRING LIP ASSIST STD 25K 55K 6 6 5 WD 16 24 1 DOTH 2546 SPRING LIP ASSIST HEAVY 7 WD 18 20 25K 7WD 18 20 30K 55K _25 1 DOTP 2006 LIPPROPBAR _26 1 DOTH 2062 SHOULDER BOLT _27 1 o _ LOCKNUT _28 2 OTH2214 WASHER _29 1 DOTH 2547 SPRING COMPRESSION _30 1 DOTH 2582 SHOCKGAS _31 1 DOTH2351 BO CE _32 1 DOTH 2374 INC _33 2 DOTH 2210 WASHER FLAT _34 1 DOTH2163
8. Assist Spring 5 Lift Spring Bolt 2 AdjustableNut 4 Lift Springs 6 Hold Down Mechanism 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 The platform 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 supplied by others Only the person servicing the equipment should have the key to unlock the maintenance prop Failure to follow these instructions May result in serious personal injury or death Always stand clear of the dock leveler lip when working in front of the dock leveler Failure to do this may result in serious personal injury or death 24 4111 0019 Nov 2006 REV April 2007 NOTE Adjusting the tension of lift springs 4 usually requires that the lip assist spring 3 also be adjusted If the platform does not rise fully and or lip does not extend fully the lift spring tension may be set too low If the platform cannot be walked down or is difficult to walk down the lift spring tension may be set too high If the platform does not rise fully on its own it may be necessary to use an external lifting device Use a lifting device with the appropriate lifting capacity
9. Decals Every 90 days quarterly inspect all safety labels and tags to ensure they are on the dock leveler and are easily leg ible If any are missing or require replacement please call 1 800 643 5424 for replacements A DANGER CRUSH HAZARD Maintenance prop must support leveler behind bar 1 75 1 072 7 Do not force maintenance prop forward of bar to support lip Refer to owner s user s manual for proper use Failure to comply will result in death or serious injury 1751 0730 x2 A DANGER Unsupported dock leveler ramps can lower unexpectedly Before allowing vehicle to leave the dock always e Ensure that no equipment material or people are on the dock leveler e Return the dock leveler to its Failure to follow posted instructions will result in death or serious injury decal placed in same position on both sides 1751 0329 x2 decal placed in same position on both sides l va aN WS N lng m decal placed in same position on both sides PK OW TES A DANGER CRUSH HAZARD Do not remove main springs until leveler is safely supported by maintenance prop Main springs contain stored energy Be sure springs are fully unloaded and ends are loose before removal Refer to owner s user s manual for proper maintenance procedure Failure to comply will result in death or serious injury A DANGER CRUSH HAZARD Do not work under dock leveler unless this ma
10. T RUBBER WEATHER SEAL DOTH 2624 T RUBBER WEATHER SEAL CONSULT FACTORY 11 2 DoTH 2822 BRUSH WEATHER SEAL DOTH 2822 BRUSH WEATHER SEAL CONSULT FACTORY 12 2 porH 2621 JEXTRUSION ALUM DOTH 2820 JEXTRUSIONALUM CONSULT FACTORY _7 2 lorh 2131 LOCK nut 1 X 4 DKIT 9179 FRTG COMPLETE RAL DKIT 9180 FRTG COMPLETE R amp L Toe Guard4 Weather Seal Optional 5 2 foTH 2043 Lata EIER ESER aal 35 Nov 2009 4111 0019 36 This page intentionally left blank 4111 0019 Nov 2006 REV April 2007 MISCELLANEOUS Customer Information 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 Serial No i i i McGiure s Job No When you receive your MP series dock leveler write down the dock leveler model and serial number in the form provided This will help ensure safe keeping of Original Owner Information the numbers in the event the model serial number decal A becomes lost or damaged Also write down McGuire s job number the company Address 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 Installer Information When ordering use part numbers and description to help identify the item ordered Do not use item num
11. are no guarantees either expressed or implied including any implied guarantees of merchantability or fitness for a particular purpose which shall extend beyond the guarantee periods indicated above This guarantee is valid only if the unit s is unaltered from original condition as delivered from the factory and a survey is completed by a McGuire representative
12. dock floor 7 Add shims at front shim locations C so front of dock leveler will stay level with dock floor when leveler is resting fully on shims 13 INSTALLATION s M 4 4q dod A 3 8 6 12 TYP 9 5 mm A Front of Dock Pit B Dock Leveler Frame C Side Pit Curb Angle D Gap 3 4 in 19 mm Minimum 8 With rear hinge frame angle F tight against rear pit curb angle G perform check the following e Pry between the platform and rear hinge frame angle at locations E to make sure rear edge of platform is parallel to the rear hinge frame angle F e Gap D must exist equally along both sides of leveler so weather seal if equipped will not bind during dock leveler operation 9 If gap D cannot be obtained equally at both sides of leveler grind or add material at the rear edge of rear hinge frame angle F as needed 14 B E Pry Locations F Rear Hinge Frame Angle H Flare Bevel Weld Typical To Fit Spacing DS G Rear Pit Curb Angle 10 Allow the dock leveler to rest fully on the shim stacks Make sure the leveler is in the cross traffic stored position with lip resting on lip keepers Check that a smooth and level transition exists between the dock floor and the dock leveler platform Add or remove shims as necessary until a smooth transition is obtained If leveler cannot be squared and made level as instructed in steps 8 10 contact McGui
13. to rise The force of the spring tension is just enough to lift the weight of the platform and extend lip IMPORTANT When activating the leveler always pull AND hold the platform release ring until the platform is at the full raised position Releasing the ring while the platform is still rising may result in damage to the equipment To actuate the dock leveler platform the operator pulls and holds the platform release ring 6 located in the recess at the rear of the platform This causes ratchet pawl 7 to disengage from ratchet bar 8 With the ratchet pawl disengaged spring tension from lift springs 18 forces the platform to rise NOTE Ratchet pawl 7 and bar 8 are part of the hold down mechanism 9 4111 0019 Nov 2009 OPERATION N AWW y NV KA A Wes lt gt WES W NA SP ad 10 Platform Maintenance Prop 15 Safety Leg Below Dock 11 Main Base Frame Control 12 Safety Leg Assv 16 Safety Leg Retract Pull Ring 13 Snubber Spring 17 Lift Arm 14 Gas Shock 18 Lift Springs The ratchet pawl disengages only when the platform release ring 6 is pulled AND held Spring tension from pawl spring causes the ratchet pawl to engage the ratchet bar when the release ring is let go When the platform rises to approximately 2 3 inches 51 76 mm from its full raised height the lip snubber spring 13 and a chain pulls the lip link 4 do
14. to safely raise the platform Make sure to engage and pin the platform maintenance prop after raising the platform Failure to do this may result in serious personal injury or death IMPORTANT When using an external lifting device to raise the platform make sure hold down mechanism 6 is disengaged Pull and hold platform release ring during the lifting process to avoid shearing the ratchet pawl and ratchet bar teeth 1 Raise the platform and engage the platform maintenance prop Pin the maintenance prop in the service position using attached pin device 2 Adjust tension of lift springs 4 as follows NOTE Use 1 2 turn increments when adjusting lift spring bolt 5 Turn clockwise to increase tension and counterclockwise to decrease tension Check platform operation after each adjustment Repeat until proper operation is obtained e To increase lift spring tension turn lift spring bolt 5 clockwise e To decrease lift spring tension turn lift spring bolt 5 counterclockwise 4111 0019 Nov 2009 ADJUSTMENTS 3 After lift soring adjustment is completed check operation of the lip e If the lip folds before the platform can be walked down tension of lip assist spring 3 may be set too low e f the lip does not fold fully or takes too long to fold tension of lip assist spring 3 may be set too high 4 Adjust lip assist spring tension as follows NOTE Use two turn increments when adjusting l
15. LOCKNUT_ _35 UPSHAPS 2 eoroor I PLAM0 sr 2 esFoor ___ PPAM2 OO 2 roFoor PLAAG _36 2 DOTH2355 ___ PNCES _37 2 DOTH2373 __ PNCOTER 39 2 2101 0079 WASHERFAT el US 1 Bree Re telose5 s000 Josee _Josss sove loses osss sos 0595 5002 o595 5011 0595 5020 loses 5029 05955038 esroor o 0595 5003 os95 5012 0595 5021 loses S030 osos 5039 0595 5004 05955013 0595 5031 05955040 0595 5032 05955041 o S S S f losos s 0595 5015 oso5 5024 osos 5033 osos 5o42 __ 1sfoso5 5007 os9ssoi6 0595 5025 loses S034 05955043 tsi 2ofos95 5008 0595 5017 0595 5026 0595 5035 osossou 1Must provide dock leveler serial number platform size capacity any options and lip size when calling or faxing orders 33 4111 0019 Nov 2009 PARTS J A O 3 O 3 O O OD FEP SEE CHART SEE CHART SEE CHART SEE CHART DOTH 2570 DOTH 2574 DOTH 2576 DOTH 2578 SPRING MAIN 6620 SPRING MAIN 6635 SPRING MAIN 6820 SPRING MAIN 6835 57 N N 9 GI TI TI TI O O O O O O 5 6 FOOT LONG 2 55 1 56 2 55 1 56 2 55 1 56 1 55 2 56 1 55 2 56 1 55 2 56 2 55 1 56 2 55 1 56 2 55 1 56 1 55 2 56 1 55 2 56 1 55 2 56 2 55 1 56 2 55 1 56 2 55 1 56 1 55 2 56 1 55 2 56 1 55 2 56 6 0 FOOT he ee 2 55 1 56 1 55 2 56 1 55 2 56 2 55 1 56 1 55 2 56 1 55 2 56 2
16. To pick up the unit from the rear slide forks into the fork slots and under the cross member Shown below 6 To pick up the unit from the front move forks closer IMPORTANT together and slide over the frame and under the cross DO NOT over tighten the lifting bracket hardware member It may be necessary to unband the unit to Over tightening can damage the weather seal if gain access to the front by lifting the lip up then eguipped sliding the forks under the cross member NOTE Overall width of platform and lifting brackets A must be kept to a minimum to prevent interference between the lifting brackets and the pit walls as the dock leveler is lowered into the pit 2 Make sure the mounting hardware of lifting brackets A is snug The brackets should pivot relatively freely on the mounting cap screw DO NOT over tighten 3 Attach lifting chains to lifting brackets A and to a lifting device i e hoist or fork truck having the appropriate lifting capacity and reach REAR PICK UP FRONT PICK UP 11 4111 0019 Nov 2009 INSTALLATION Install Dock Leveler A Distance Leveler Frame Height B Shim Locations Under Rear Vertical Supports 4 5 Places TYP C Shim Locations Under Lip Keepers Lifter Arm and Prop D Dock Floor E Rear Pit Curb Angle 12 F String G Rear Hinge Frame Angle H Distance Dock Floor to Pit Floor J Distance Top of Shim Stack to Dock Floo
17. ance from both side edges 4111 0019 Nov 2006 REV April 2007 SAFETY wer Do not use dock leveling device if freight carrier is too high or too low Do not overload the dock leveling device Do not operate any equipment while under the influence of alcohol or drugs Do not leave equipment or material unattended on dock leveling device 4111 0019 Nov 2009 SAFETY Maintenance Safety Precautions 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 hydraulic fluid or other flammable liquid is present Stray sparks can ignite spills or leaks near the work area Always post safety warnings and barricade the Always clean up the oil leaks and spills before work area at dock level and ground level to proceeding with grinding or welding prevent unauthorized use of the unit before maintenance is complete 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 ALWAYS stand clear of dock leveler lip when working in front of the dock leveler Failure to do this may result in serious personal injury or death When engaging the maintenance prop ensure the bridge pin is set in place and closed before servicing or maintainning the unit 4 4111 0019 Nov 2006 REV April 2007 SAFETY Safety
18. ar 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 decals on the equipment unless replacing them DO NOT activate the equipment until all unauthorized personnel in the area have been warned and have moved outside the operating zone Remove any tools or 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 A Learn the safe way to operate this eguipment Read and understand the manufacturer s instructions If you have any questions ask your supervisor wor Stay clear of dock leveling device when freight carrier 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 en Chock restrain all freight carriers Never remove the wheel chocks until loading or unloading is finished and truck driver has been given permission to drive away Ee Te Do not use a broken or damaged dock leveling device Make sure proper service and maintenance procedures have been performed before using TN _ or Make sure lip overlaps onto trailer at least 4 in 102 mm Keep a safe dist
19. art of the lip keepers If lip is not resting properly in lip keepers perform the 5 Disengage lip maintenance prop following adjustment 6 Walk platform down to cross traffic stored 1 Fully raise platform Manually raise the lip and position engage lip maintenance prop 7 Check lip position in both keepers Repeat 2 Loosen jam nut B procedure if necessary 3 Adjust stop bolt C as necessary e Turn stop bolt in clockwise to allow lip to fold closer to platform A e Turn stop bolt out counterclockwise to hold lip further away from platform A 26 4111 0019 Nov 2006 REV April 2007 TROUBLESHOOTING Troubleshooting Always post safety warnings and barricade the The platform maintenance prop MUST be in the work area at dock level and ground level to prevent service position when working under the dock unauthorized use of the dock leveler before leveler For maximum protection use an OSHA maintenance is complete Failure to do this may approved locking device to lock the maintenance result in serious personal injury or death prop in the service position supplied by others Only the person servicing the equipment should have the key to unlock the maintenance prop Failure to follow these instructions may result in Always stand clear of the dock leveler lip when serious personal injury or death working in front of the dock leveler Failure to do this may result in serious personal injury or death Platf
20. bers These are only for locating the position of Address the parts Always give dock leveler MODEL NUMBER and or SERIAL NUMBER For service call or contact Date of Installation Systems Inc P O Box 309 Germantown WI 53022 Phone 800 624 8473 Fax 262 255 9399 37 4111 0019 Nov 2009 W B McGuire WARRANTY MP SERIES MECHANICAL LEVELER McGuire guarantees the materials components and workmanship in your McGuire MP Series dock leveler to be of the highest quality and to be free of defects in material and workmanship for a full One 1 Year Base Warranty on all components The Base Warranty includes replacement parts labor and freight Structural components carry an additional four 4 year pro rated warranty based on the application Specifically the structural warranty includes the frame deck section lip section rear hinge and front hinge Systems Inc warrants all components to be free of defects in material and workmanship under normal use during the warranty period This base warranty period begins upon the completion of the installation or the Sixtieth 60th day after shipment whichever is earlier All guarantee claims will be settled on a timely basis when defects are found to be from other than improper installation operating contrary to instructions or beyond rated load capacities abuse careless or negligent use or failure to maintain the unit as recommended by the owner s manual There
21. c Maintenance in the Maintenance section Excessive lip assist force Decrease lip assist spring compression See Adjust Lift Arm Spring and Lip Assist Spring Compression in the Adjustments section 28 4111 0019 Nov 2006 Hold Down PAWL AND RATCHET PARTS Item Quantity Part Number Description M512 986 Ratchet and Pawl Assembly Set 4111 0019 Nov 2009 29 PARTS Frame Components 20 AG N gt m Of Zz AN OA 30 4111 0019 Nov 2006 REV April 2007 PARTS Frame Components BASE FRAMES em ary g Foor aroor _ horoor n T 6 0 FOOT 25K 55K 6 0 FOOT 25K 55K 6 0 FOOT 25K 55K fa 19 8435 5000 16 8435 5003 16 8435 5006 ta 18 8435 5001 18 8435 5004 18 8435 5007 fa 20 8435 5002 20 8435 5005 20 8435 5008 5 FOOT 6 5 FOOT 8435 5009 8435 5010 8435 5011 8435 5012 8435 5013 8435 5014 8435 5015 8435 5016 8435 5017 0 FOOT 7 0 FOOT 8435 5018 8435 5019 8435 5020 2 1 msozoes HOLDDOWN same same 3 1 poTP 6423 LIFTER ARM 27N DOTP 6424 LIFTER ARM 25 IN WD 25K DOTP 6416 LIFTERARM S lborp 6423 LIFTER ARM 27 inean omer _4 1 0224 0030 MAINTPROP 9224 0031 manr Pror 92240079 MANTPROP 4 9221 0028 MAINT PROP PIVOT 4 DOTH 2555 SPRING SNUBBER 3 oTH 2356 PIN CLEVIS 4 loTH 2405 ROLLER HOLD DOWN EN EN ma ea 8435
22. d DO NOT use the dock leveler if the truck trailer bed is more than 12 in 305 mm higher or lower than the dock floor DO NOT activate the dock leveler until the DO NOT overload the dock leveler truck trailer is positioned squarely against the bumpers and the truck wheels are chocked DO NOT operate any equipment while under the influence of alcohol or drugs Never remove the wheel chocks until loading and unloading is finished and truck driver has been DO NOT leave equipment or material unattended given permission to leave on the dock leveler DO NOT use the dock leveler if the freight carrier is Failure to follow these instructions may result in too high or too low personal injury and or damage to equipment NEVER use a fork truck or any other material handling equipment to lower the dock leveler IMPORTANT DO NOT drive any equipment onto the dock leveler When activating the leveler always pull AND hold until platform lip is resting on the truck trailer with the platform release ring until the platform is at the at least 4 in 102 mm of overlap full raised position Releasing the ring while the platform is still rising may result in damage to the Always maintain a safe distance from side edges of equipment leveler during the loading and unloading process NEVER attempt to walk on an unsupported lip The dock leveler operation instructions are NEVER allow untrained personnel to operate the divided into the two metho
23. ds of loading and dock leveler unloading NEVER attempt to lift any part of the leveler by e For ramp loading and unloading see Ramp hand Loading Unloading Instructions on page 19 Failure to follow these instructions may result in e For end loading and unloading see End serious personal injury or death Loading Unloading Instructions on page 20 18 4111 0019 Nov 2006 REV April 2007 Operating Instructions Continued Ramp Loading Unloading Instructions NOTE If end unloading is required see End Loading Unloading Instructions on page 20 1 Check to make sure truck trailer 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 truck trailer wheels or use truck restraint if present 4 Raise the platform by pulling and holding the platform release ring A 5 Hold the release ring until the platform is at the fully raised position and lip is fully extended 6 Walk out onto the platform The platform will lower until the lip rests on the truck trailer bed NOTE If the truck trailer bed is below dock level pull and hold the safety leg retract pull ring B located in a recess at front of the platform until the platform lip is resting on the truck trailer bed 4111 0019 Nov 2009 OPERATION 7 Make sure that the lip is fully extended and supported on the truck trailer along the entire width
24. eg Assy 13 Lip Snubber Spring 14 Lip Shock Absorber 15 Safety Leg Pull Chain 16 Lift Arm Assembly 17 Lift Main Spring 18 Prop Pin and Clip 19 Working Range Toe Guards 4111 0019 Nov 2006 REV April 2007 Prepare Pit INSTALLATION A Distance Pit Width Front and Rear Floor All Four Corners Post safety warnings and barricade the work area at dock level and ground level to prevent unauthorized use of the dock leveler before installation has been completed Failure to follow the installation instructions can result in damage to dock leveler the facilities and or serious personal injury or death IMPORTANT DO NOT remove the shipping bands around the dock leveler lip until instructed to do so 4111 0019 Nov 2009 B Distance Dock Floor to Pit C Distance Pit Length Both Sides of Pit D Distance Pit Corner to Corner Top Bottom and Both Sides 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 Check the entire dock leveler pit for proper construction according to approved certified pit drawings Make sure pit is square by making the following measurements e Measure pit width distance A at both front and rear of pit e Measure dock floor to pit floor distance B at all four corners e Measure pit length distance C at both sides e Measu
25. h successive lower shim being larger so the shims can be welded together using a fillet weld DO NOT use offset method P or straight method Q NOTE To assist in obtaining an accurate measurement of distance J use a string F pulled tight across the pit opening directly over the shim locations 3 Verify that each shim stack is at the correct height by measuring distance J top of shim stack K to dock floor Distance J must equal the dock leveler height A 4111 0019 Nov 2009 INSTALLATION 4 Puta 1 4 in 6 6 mm thick shim at locations C under lip keepers maintenance prop and safety legs Make sure shims are larger than frame front flat so pyramid or stepped stacking method can be used NOTE A 1 4 in 6 6 mm thick shim at locations C is used only as a starting point The final shim stack height will be determined after the dock leveler is lowered into the pit 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 serious personal injury or death 5 Using an appropriate lifting device connected to the lifting brackets lower dock leveler into the pit so rear hinge frame angle G is tight against rear pit curb angle E across full width of the leveler frame 6 Allow rear of dock leveler to rest on the rear shims while keeping the front of the dock leveler level with the
26. iler bed is at or above dock floor level leave leveler at the cross traffic position and proceed with loading or unloading When finished perform steps 9 and 10 If truck trailer bed is below the dock floor level perform steps 5 10 5 Pull and hold the platform release ring A until the platform is at the fully raised position 20 Slowly walk the platform down allowing enough time for the lip to fold Just before the platform reaches the cross traffic position pull and hold the safety leg retract pull ring B located in a recess at front of the platform The platform will continue lowering to the full below dock position End Loading Unloading Platform at Below Dock Position 7 Proceed with loading or unloading NOTE When end unloading is finished and additional access to the truck trailer requires that the platform lip be extended see Ramp Loading Unloading lnstructions on page 19 for further instructions 8 When loading or unloading is finished raise the platform to the full raised position by pulling and holding the platform release ring Slowly walk the platform down allowing enough time for the lip to fold The platform will lower to the cross traffic position lip engages in the lip keepers Remove chocks from truck trailer wheels or release truck restraint if used 10 Indicate to the driver that the truck may leave the dock 4111 0019 Nov 2006 REV April 2007
27. intenance prop has been secured in the upright position See owner s user s manual for proper procedures Failure to comply will result in death or serious injury 1751 0729 4 DANGER CRUSH HAZARD Open the pin latch and insert through the maintenance 1751 0731 ee completely Close the pin latch to secure prop Use every time dock leveler is serviced Failure to comply will result in death or serious injury 1751 0731 4 DANGER CRUSH HAZARD DO NOT ENTER PIT unless dock leveler is 1 75 1 072 6 safely supported by maintenance prop Place barriers on driveway and dock floor to indicate service work being performed Refer to owners users manual for proper maintenance procedures Failure to comply will result in death or serious injury 1751 0726 4111 0019 Nov 2009 SAFETY Every 90 days quarterly inspect all safety labels and tags to ensure they are on the dock leveler and are easily leg ible If any are missing or require replacement please call 1 800 643 5424 for replacements 4 DANGER CRUSH HAZARD Maintenance prop must support leveler behind bar 1 75 1 072 7 Do not force maintenance prop forward of bar to support lip Refer to owner s user s manual for proper use Failure to comply will result in death or serious injury 1751 0730 x2 SAFETY INFORMATION supports the ramp before driving on Read and follow all instructions and ramp warnings in the owner s
28. ip assist spring 3 Check lip operation after each adjustment Repeat until proper operation is obtained a Loosen jam nut 1 b To increase spring compression turn nut 2 clockwise c To decrease spring compression turn nut 2 counterclockwise d Tighten jam nut 5 Recheck operation of platform and lip Readjust lift spring tension and lip assist spring tension until proper operation is obtained 25 ADJUSTMENTS Adjust Lip Stop Bolt Always post safety warnings and barricade the work area at dock level and ground level to prevent unauthorized use of the dock leveler before O maintenance is complete Failure to do this may result in serious personal injury or death A JEL Always stand clear of the dock leveler lip when working in front of the dock leveler Failure to do O this may result in serious personal injury or death E The platform maintenance prop MUST be in the D service position when working under the dock leveler For maximum protection use an OSHA approved locking device supplied by others to lock the maintenance prop in the service position Only the person servicing the equipment should have the key to unlock the maintenance prop i i i i A Platform D Lip Keeper Failure to follow these instructions may result in B Jam Nut E Lip serious personal injury or death C Stop Bolt Check that lip E is fully resting on the lip keepers 4 Tighten jam nut D and at the lowest p
29. ld Alternate welding locations to distribute heat Welding sequentially from one end to the other may cause warping or distortion 4111 0019 Nov 2009 INSTALLATION 14 Weld front of dock leveler frame B to shims located under the keepers then weld the shims to the front pit curb steel Make sure all personnel are outside of the leveler operating zone and stand clear of the platform lip before removing the shipping bands Failure to do this may result in serious personal injury or death 15 With the leveler welded in place remove the shipping bands from around the lip and frame 16 Disconnect lifting device and chains from the lifting brackets Make sure all personnel are outside of the leveler operating zone and clear of the platform lip before activating the leveler Failure to do this may result in serious personal injury or death IMPORTANT When activating the leveler always pull AND hold the platform release ring until the platform is at the full raised position Releasing the ring while the platform is still rising may result in damage to the equipment 17 Pull and hold the release ring located in recess at rear of platform until the platform is fully raised Check for binding as platform rises 18 Slowly walk out onto the platform to lower the platform Allow the platform to lower to the cross traffic position Check for binding as platform lowers 19 If binding occurs reposition leve
30. ler and or add or remove shims as necessary Raise and lower platform again If platform still binds contact McGuire Technical Services for further instructions 20 Check that the leveler is flush with the dock floor and that the platform lip contacts both lip keepers evenly 15 INSTALLATION A Platform Release Ring B Platform Maintenance C Lip prop support Chain 21 Prop Pull the release ring A to raise platform Engage the platform maintenance prop B in the service upright position and lock the maintenance prop at this position using an OSHA approved locking device supplied by others Engage lip maintenance prop C Make sure the platform is properly supported in the raised position before entering the pit to finish weld the shims Failure to do this may result in serious personal injury or death 22 23 24 Install shims under lift arm at locations using the pyramid shimming method Page 12 The lift arm pivot must be solidly shimmed the entire length of the lift arm pivot Make sure the lift arm pivot is level from side to side Finish weld all shims using a fillet weld e Weld all shims within each shim stack to each other then weld the shim stack to the leveler frame e Weld the front leveler frame shim stacks to the front pit curb steel if not done previously When all welding has been completed remove all slag then paint all the welds and shims 16 25 26 27
31. ndscunwiwews wegen Lew Ree een 26 Troubleshooting Troubleshooting sassen her Ge ore ewe ere ee 27 Parts Hold Down Mechanism eee ee eee 29 Frame Components 000a 30 Platform Components eee eee ee ees 32 Toe Guard Weather Seal Optional 36 Miscellaneous Customer Information 0 000 37 WAAN ono sd o r enen Se ee ee See eed Back Cover 4111 0019 Nov 2006 REV April 2007 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 0019 Nov 2009 SAFETY General Operational Safety Precautions Read and understand the operating instructions and become thoroughly famili
32. of the platform with at least 4 in 102 mm of lip Contacting the truck bed ee 8 Proceed with loading or unloading NOTE If end loading is necessary see End Loading Unloading Instructions on page 20 9 When the loading or unloading process has been completed return platform to cross traffic stored position as follows a Raise the platform to the full raised position by pulling and holding the platform release ring A b Lower platform by slowly walking out onto the platform allowing time for the lip to fully fold and clear the truck trailer Continue walking out on platform until platform lowers to the cross traffic position lip engages in the lip keepers 10 Remove chocks from truck trailer wheels or release truck restraint if used 11 Indicate to driver that truck may leave the dock 19 OPERATION Operating Instructions Continued End Loading Unloading Instructions NOTE End loading or unloading can be done with the dock at the cross traffic position or below dock position depending on the height of the truck trailer bed Check to make sure truck trailer is positioned squarely against dock bumpers Instruct driver to remain at the dock until the loading or unloading process has been completed and instructed to leave Chock the truck trailer wheels or use truck restraint if present oO ete End Loading Unloading Platform at Cross Traffic Position 4 lf truck tra
33. orm does not rise Heavy object s on platform Remove object s from platform NOTE For safety reasons the dock leveler is designed to lift only the platform s own weight Disconnected or broken Connect or replace chain release chain Dock leveler binds Check for visible obstructions that could cause binding Check weather seal if equipped If no obstructions found call McGuire Technical Services See inside back cover for phone number and address Platform rises slowly or Heavy object s on platform Remove object s from platform does not rise to the full raised position 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 Check weather seal if equipped If no obstructions found call McGuire Technical Services See inside back cover for phone number and address Insufficient main spring Increase tension on main springs See Adjust Lift tension Arm Spring and Lip Assist Spring Tension in the Adjustments section Damaged or worn Clean and inspect hold down mechanism hold down mechanism 2 4111 0019 Nov 2009 TROUBLESHOOTING Platform rises to full Lip assist chain Connect or replace chain height but lip does not disconnected or broken fully extend Insufficient main spring Increase tension on main lift springs See Adjust Lift tension Arm Spring and Lip Assis
34. ous personal injury or death working in front of the dock leveler Failure to do this may result in serious personal injury or death 22 4111 0019 Nov 2006 REV April 2007 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 To thoroughly inspect the platform hinge area position the platform in the full below dock position e 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 increase wear and cause abnormal operation IMPORTANT Failure to properly lubricate the dock leveler will cause abnormal operation of the leveler DO NOT lubricate the hold down ratchet bar and pawl 4111 0019 Nov 2009 MAINTENANCE Quarterly Maintenance e Lubricate the following areas with light weight machine oil 2 Lip maintenance prop pivot 5 Hold down pivot pulley 6 Safety leg linkage pivots 8 Hold down to platform pin Lubricate the following areas with white lithium grease 1 Lip hinge area inject grease into all the lip hinge grease fittings 3 Lift arm roller bushing 4 Lift arm pivot 7 Lip assist pin 23 ADJUSTMENTS Adjust Lift Arm Spring and Lip Assist Spring Tension MMI X 1 Jam Nut 3 Lip
35. r K Shim Stack L Dock Leveler Frame M Pyramid Preferred N Stepped Acceptable P Offset Not Acceptable Q Straight Not Acceptable Shim Stacking Methods M W 4111 0019 Nov 2006 REV April 2007 NOTE McGuire dock levelers are designed with a nominal 1 2 in 12 7 mm shimming distance to allow for pit inconsistencies 1 Determine height of shim stack K for each shim location B by performing the following a Measure leveler frame height distance A b Measure dock floor to pit floor distance H at each shim location B Write down the dimensions obtained at each location c Subtract distance A from distance H to obtain the shim height Repeat for each shim location 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 frame rail and to provide a shelf for a fillet weld 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 2 Using the results obtained in step 1 create the individual shim stacks on the pit floor at locations B Build each shim stack K using the pyramid method M preferred or stepped method N with the top shim having a minimum size of 4 1 2 x 4 1 2 in 114 3 x 114 3 mm and eac
36. r serious injury Cai 200 256 1610 for replacement placards waning aber or nner augers manuals decal placed in same position on both sides 1751 0329 x2 decal placed in same position on both sides 1751 0330 x2 decal placed in same position on both sides ADANGER CRUSH HAZARD 1 75 1 0 1 38 DO NOT REMOVE hydraulic cylinder until leveler is safely supported by maintenance prop Refer to owners user s manual for proper maintenance procedure Failure to comply will result in death or serious injury 1751 0729 A DANGER CRUSH HAZARD Do not work under dock leveler unless this maintenance prop has been secured in the upright position See owners user s manual for proper procedures Failure to comply will result in death or serious injury 1751 0729 4 DANGER CRUSH HAZARD Open the pin latch and insert through the maintenance 1 B 1 0 3 1 prop housing and prop completely Close the pin latch to secure prop Use every time dock leveler is serviced Failure to comply will result in death or serious injury 1751 0731 4 DANGER CRUSH HAZARD DO NOT ENTER PIT unless dock leveler is 1 75 1 072 6 safely supported by maintenance prop Place barriers on driveway and dock floor to indicate service work being performed Refer to owners users manual for proper maintenance procedures Failure to comply will result in death or serious injury 1751 0726 General Information Congra
37. re Technical Services 4111 0019 Nov 2006 REV April 2007 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 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 IMPORTANT Always ground welding equipment to the dock leveler frame NEVER to the platform DO NOT weld continuously along the full length of the rear hinge frame angle This can put unnecessary stress on the leveler components causing the leveler not to function correctly and shorten the lifespan of the affected components NOTE The illustration on the previous page shows a typical weld pattern The weld pattern will vary slightly depending on size of dock leveler 13 With the rear hinge frame angle F tight against the rear pit curb angle G weld the rear hinge frame angle F to the rear pit curb angle G using a 3 8 in 9 5 mm flare bevel skip weld each weld being 6 in 152 mm long Start at each end with a 6 in 152 mm long weld Space all the other welds out evenly leaving approximately 6 in 152 mm space between each we
38. re corner to corner criss cross distance D at both sides Take measurements at dock floor level and at pit floor level lf any measurement is off by more than 1 8 in 3 18 mm contact McGuire Technical Services before proceeding INSTALLATION Prepare Dock Leveler A Lifting Bracket 2 used B Shipping Bands McGuire dock levelers are designed with installation in mind Each unit is shipped with lifting brackets A fastened to the platform side joists IMPORTANT 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 the dock leveler and or serious personal injury or death NOTE A third sling may be used to install the unit as needed 10 DO NOT remove the shipping bands B around the platform lip and leveler frame at this time The shipping bands are needed to hold the leveler together during the installation process 4111 0019 Nov 2006 REV April 2007 INSTALLATION 1 Remove any bumpers that may be banded or 4 Remove wood blocks that are attached to the bolted to the frame of the dock leveler leveler frame before putting the dock leveler into the pit DO NOT remove the shipping bands B around the platform lip and leveler frame at this time 5
39. t Spring Tension in the Adjustments section Insufficient lip assist force Increase lip assist spring compression See Adjust Lift Arm Spring and Lip Assist Spring Compression in the Adjustments section Platform does not lower Excessive main spring Reduce main spring tension See Adjust Lift Arm when operator walks out tension Spring and Lip Assist Spring Tension in the onto the platform Adjustments section Damaged or worn Clean and inspect hold down mechanism hold down mechanism Lip folds too fast during Insufficient lip assist force Increase lip assist spring compression See Adjust normal walk down Lift Arm Spring and Lip Assist Spring compression in the Adjustments section Disconnected worn or Inspect shock absorber Connect or replace gas broken gas strut strut Platform does not stay Entangled release chain Remove cause of entanglement down Dirt impacted in ratchet bar Clean and inspect ratchet bar and ratchet pawl teeth teeth DO NOT lubricate the ratchet assembly Broken or damaged ratchet Replace ratchet assembly DO NOT lubricate the assembly teeth ratchet assembly Disconnected or broken Replace hold down pivot pins hold down pivot pins Damaged or worn Clean and inspect hold down mechanism hold down mechanism Lip does not fold after Lip hinge binding because Inject grease into all of the lip hinge grease fittings truck departs of lack of lubrication See Periodi
40. tulations on your choice of a McGuire dock leveler This manual covers the MP series mechanical 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 minimum of maintenance To obtain maximum performance and longest possible use a simple program of preventive maintenance is recommended Once again thank you and congratulations on your purchase of a McGuire mechanical dock leveler 4111 0019 Nov 2009 INTRODUCTION Dock Leveler Stock Specifications MP Series dock levelers are available in the following sizes weight capacities and options Width 6 ft 1828 8 mm 6 1 2 ft 1981 2 mm 7 ft 2133 6 mm Length 6 ft 1828 8 mm 8 ft 2438 mm 10 ft 3048 mm Capacity CIR 25 000 Ib 11 340 kg 30 000 Ib 13 608 kg 35 000 Ib 15 876 kg 40 000 Ib 18 144 kg 45 000 Ib 20 412 kg 55 000 Ib 22 680 kg CIR Comparative Industry Rating Call McGuire for your specific needs INTRODUCTION Component Identification pe si Te 7 Se ee I TI UT SS nn mmm 1 Lip 2 Lip Maintenance Prop 3 Platform 4 Lip Link 5 Lip Assist Spring 6 Hold Down Release Ring 7 Ratchet Pawl 8 Ratchet Bar 9 Hold Down 10 Platform Maintenance Prop N N a ll A 2 o x 11 Main Base Frame 12 Safety L
41. user s 7 Stay clear of hinges and front and Unsupported dock leveler manual sides of moving dock leveler 2 Use of dock leveler restricted to Never use damaged or ramps can lower unexpectedly trained operators malfunctioning dock leveler Report j Always chock trailer wheels or problems immediately to supervisor engage truck restraint before Before allowing vehicle to leave operating dock leveler or beginning to Maintenance Service 5 load or unload 1 Read and follow all instructions the dock always Never use hands or equipment to warnings and maintenance schedules move the ramp or lip in the owner s user s manual i gt Before activating dock leveler 2 Maintenance Service of dock leveler Ensure that no equipment Ensure trailer is backed in against restricted to trained personnel material or people are on the bumpers 3 Place barriers on the driveway and on dock leveler Remove any end loads if required dock floor to indicate service work is Check trailer alignment to avoid lip being performed 4 interference If lip does not lower to 4 DO NOT ENTER PIT unless dock Return the dock leveler to its trailer bed reposition vehicle leveler is securely supported by itii Ensure that truck bed supports maintenance prop stored position at dock level ppe 5 If electrically powered turn off and use extended lip or the leveler frame OSHA lockout tagout procedures Failure to follow posted instructions will result in death o
42. wn This in conjunction with the lip assist spring 5 causes the lip linkage to push the lip out and up The lip assist spring also helps control the amount of time required for the lip to fully fold To lower the platform the operator walks out onto the platform The platform will lower until the extended lip rests on the truck bed If the lip did not fully extend or there is no truck at the dock the platform will lower until one of the following conditions occur e Lip is resting on lip keepers cross traffic position Lip did not fully fold causing the platform to rest on safety legs below dock position Lip did not fully fold and safety legs are retracted causing the platform to rest on the safety stops full below dock position The hold down ratchet assembly will keep the platform at the desired position until the platform release ring is pulled again 17 OPERATION Operating Instructions Stay clear of dock leveler when freight carrier is 12 in 305 mm entering or leaving dock area i DO NOT raise or lower the dock leveler if anyone is 1 under or in front of leveler a 12 in 305 mm Keep hands and feet clear of pinch points Avoid putting any part of your body near moving parts The MP series mechanical dock leveler is designed Failure to follow these instructions may result in to compensate for 12 in 305 mm of height severe personal injury or death difference between the loading dock and the truck be
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