Hydraulic Lift Caster Manual (PDF Download)
Contents
1. Figure 2 1 Lift Caster Assembly Table 2 1 Lift Caster Assembly oe 1 inane ane a emere O o foen a ena o a El e fiore n ommen Co oa a O 6 eaa a M E E E www tandemloc com COPYRIGHT 1999 2003 TANDEMLOC INC This document may not be reproduced or modified in whole or part without the express written consent of Tandemloc Inc S Page 5 of 24 z Figure 2 1b Lift Caster Dolly Transport Method www tandemloc com COPYRIGHT 1999 2003 TANDEMLOC INC This document may not be reproduced or modified in whole or part without the express written consent of Tandemloc Inc Page 6 of 24 2 2 Hydraulic Hand Pump Assembly e Figure 2 2 is a photograph of the Hydraulic Hand Pump Assembly with all operational parts identified via balloons and defined in table 2 2 This assembly is used for raising and lowering the container It also can act as a makeshift scale providing the user with an approximate weight of the lifted object See section 4 3 for details 4 A Figure 2 2 Hydraulic Hand Pump Assembly Table 2 2 Hydraulic Hand Pump Assembly Pump Handle Raise Lower Pressure Valve Hydraulic Fill www tandemloc com COPYRIGHT 1999 2003 TANDEMLOC INC This document may not be reproduced or modified in whole or part without the express written consent of Tandemloc Inc oO Page 7 of 24 z 3 0 INSTALLATION AND USE DETAILED USE DISCUSSIONS Note The fol2. Remove air according to instructions Cylinder plunger binding Check for damage to cylinder Service if required Cylinder advances but Leaking connection Check that all connections are tight and does not hold leak free pressure Leaking seals Locate leak s and have equipment services by a a hydraulic technician Internal leakage in pump Have pump serviced by a qualified hydraulic technician retract retracts part way or retracts more Pump reservoir is over filled Open butterfly vent to allow excess oil to Loose hydraulic coupler or Check that all fittings and couplers are Air trapped in system Remove air according to instructions Cylinder retraction spring broken Have cylinder serviced by a qualified or other cylinder damage hydraulic technician www tandemloc com COPYRIGHT 1999 2003 TANDEMLOC INC This document may not be reproduced or modified in whole or part without the express written consent of Tandemloc Inc ADDENDUM ELECTRIC HYDRAULIC PUMP amp MANIFOLD Page 21 of 24 ey lt r Fig Add 2 R17009E 100 electric hydraulic pump and four port manifold This item is used in lieu of the hand hydraulic pumps General notes on the use of the electric pump 1 Care must be taken that all lock pins on the lift caster assemblies are pulled out with their rings in the vertical position see Fig Add 2 below whenever applying pressure to the cylinders Unlike the hand pumps there is
3. CONSISTS OF 4 RI7001E 1PA LIFT CASTER ASS Y PC 1 49 2 R17002E 1PA HAND PUMP ASS Y PC 50 53 Emai info tandemlioc com www tandemioc com Tartani denpa marufactures and tests fing secunng and modiinng components for ad PO Box 279 824 Highway 101 Havelock NC 28532 0279 industries Soe ar website for delais and erpcriant safety formation ve TEL 1 800 258 7324 252 447 7155 FAX 1 800 892 3273 252 447 5502 Temo tt SCRA IANS A www tandemloc com COPYRIGHT 1999 2003 TANDEMLOCG INC This document may not be reproduced or modified in whole or part without the express written consent of Tandemloc Inc Page 24 of 24 LIST OF MATERIALS R1700E 1PA Cage Code 65059 Drawing No PR17000F Revision D Sheet 1 of 1 PC QTY PART NO amp DESCRIPTION FOR R1700E 1PA PC 1 49 WFHOOS013000125 1 2 13 X 1 25 FL HD CAP SCREW GR 8 ZP www tandemloc com COPYRIGHT 1999 2003 TANDEMLOC INC This document may not be reproduced or modified in whole or part without the express written consent of Tandemloc Inc
4. no relief valve on the electric pump to prevent overloading the pins If the pressure exceeds 8000 psi the lock pins may shear and require replacement The electric pump uses standard 120 volts ac power When applying pressure to all four lift caster units simultaneously the lift caster lifting the lightest corner will raise first In order to raise an unevenly loaded container one of the following methods may be used Method 1 preferred Use the manifold as a throttle and begin to close the valve powering the lift caster that is raising up All four valves may be adjusted accordingly until the container is rising evenly Method 2 When the corner that is rising is at the desired height engage the lock pin Continue to apply pressure until the next lift caster is at the desired height and engage that www tandemloc com COPYRIGHT 1999 2003 TANDEMLOC INC This document may not be reproduced or modified in whole or part without the express written consent of Tandemloc Inc Page 22 of 24 i pin Extreme care should be taken when using this method Be sure that no one corner is raised so high compared to the other corners that damage to the lifted container results It is solely the user s responsibility in judging this as it depends on how uneven the load is and the strength of the container This method is not recommended for loads that are substantially uneven Also when lifting containers of uneven loading remember that
5. system will contain more oil than the reservoir can hold Adding oil to the pump 1 2 3 4 Remove fill cap from reservoir located at end opposite housing Fill to 1 2 below top of reservoir with pump on end Remove air from system if necessary See above Recheck oil level after removing air Return fill cap to proper position Keep Oil Lines Clean Use every precaution to guard unit against entrance of dirt because foreign matter may cause pump cylinder or valve failure Changing the Oil 1 oa fF ON Drain all oil and refill with clean oil every 12 months If pump is used in dirty environments change the oil more often Remove fill cap from reservoir Tilt pump to drain out old oil Fill reservoir to 1 2 below full Replace the fill cap Dispose of used oil properly www tandemloc com COPYRIGHT 1999 2003 TANDEMLOC INC This document may not be reproduced or modified in whole or part without the express written consent of Tandemloc Inc S Page 20 of 24 z TROUBLESHOOTING GUIDE Hand hydraulic pump PROBLEM POSSIBLE CAUSE SOLUTION Cylinder does not Oil level in pump reservoir is low Add oil according to maintenance advance advances instructions slowly or advances in spurts Release valve open Close the release valve Loose hydraulic coupler or Check that all fittings are tight fitting Load is too heavy Do not attempt to lift more than rated load Air trapped in system
6. the load rating at any one corner is 8000 lb Therefore the total load for an unevenly loaded container must be less then 32 000 lbs How much less is based on how much the load is off center 6 The pressure gauge is measuring the pressure in all four lines which is not additive Therefore to determine the weight lifted the pressure should be multiplied by four when all four valves on the manifold are open To determine the approximate lifted weight divide this total pressure by 9 694 and then multiply the result by 20 000 Finally subtract a total of 300 lb to account for the raised portion of the lift casters This will only be a good approximation when the container is evenly loaded If the weight of an unevenly loaded container is desired use the hand pumps and follow the steps in section 4 3 of the manual 7 Refer to the electric pump user manual for more detailed information on the maintenance and use of the pump Fig Add 2 Lock pin disengaged www tandemloc com COPYRIGHT 1999 2003 TANDEMLOC INC This document may not be reproduced or modified in whole or part without the express written consent of Tandemloc Inc Page 23 of 24 IJ NORMAL DUTY HYDRAULIC LIFT CASTER SYSTEM R1700E 1PA Cage Code 65059 Drawing No PR17000F Revision D Sheet 1 of 1 UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES TOLERANCES ARE FRACTIONS AND DECIMALS XX XXX NOTES 1 P N R17000E 1PA LIFT CASTER SYSTEM
7. Caster Assembly See Figure 2 1a They are 8 dia x 4 wide urethane on iron casters ideally suited for travel over smooth paved surfaces such as concrete They should never be used on rough uneven terrain At maximum load the casters have a maxinum recommended speed of 5 mph However as the load is reduced this speed may be increased proportionally up to 15 mph This is of course true only when the towing vehicle driver and road conditions local laws permit for safe operation at a given speed Each caster swivels 360 and is equipped with a 4 position 90 increments swivel lock Each caster is self steering When one towing vehicle is used a rigid towbar such as the Tandemloc AB42000A 1PA towbar must be used and the rear most opposite the towed end caster s swivel locks must be engaged in the desired direction of travel to provide stability to the lifted container All swivel locks may be left free to rotate when more than one towing vehicle is used i e front and back or temporarily left free if a very tight change in direction is required Figure 3 1 1 2a Small Casters Retracted Figure 3 1 1 2b Small Casters Extended www tandemloc com COPYRIGHT 1999 2003 TANDEMLOC INC This document may not be reproduced or modified in whole or part without the express written consent of Tandemloc Inc oO Page 10 of 24 zZ 3 2 0 Hand Hydraulic Pump Assembly e The hand hydraulic pump is used to raise and lower the lift
8. Page 1 of 24 OPERATION AND MAINTENANCE MANUAL for the HYDRAULIC LIFT CASTER SYSTEM H L C S P N SERIES R17000E P N R17004E 1MA for use with R17000E series lift casters CAUTION Read the following manual completely before using the H L C S for the first time SCOPE Covers the complete operation for the H L C S From a stowed position to full use and back to fully stowed Maintenance schedules and a troubleshooting guide are also included REVISION A DATE July 20 1998 AUTHOR Bill DiMartino Vice President Tandemloc Inc WARNING Failure to adhere to all of the following instructions could cause severe injury to personnel damage to the H L C S and or the lifted unit Tandemloc Inc cannot warrant the system against failure nor be held liable for loss of any kind if any of the instructions in this manual are ignored omitted or circumvented Always wear protective eyewear headgear and steel toed shoes or boots when using the H L C S Never place any part of your body under the lifted unit at any time or the H L C S when not fully supported Use of the H L C S hereby implies the user fully understands all of these and the following instructions and assumes all risks and or liabilities if any instructions contained herein are not correctly and completely followed www tandemloc com COPYRIGHT 1999 2003 TANDEMLOG INC This document may not be reproduced or modified in whole or part without the express written co
9. assembly and thus the container as well See figure 2 2 To raise apply pressure rotate the pump valve clockwise until tight and pump the long handle up and down figure 3 2 Be sure the lock pins are retracted with the rings vertical NOTE ALWAYS RAISE AND LOWER LIFT CASTER ASSEMBLIES IN PAIRS ONE END AT A TIME NEVER TRY TO RAISE OR LOWER THE CONTAINER ONE LIFT CASTER ASSEMBLY AT A TIME To lower relieve pressure rotate the pump valve counter clockwise slowly Note When lowering a container you will first have to raise the container slightly to remove pressure from the lock pins Then disengage the lock pins by pulling the rings and rotating them 90 You may then turn the valve counter clockwise to lower the container If the pump fails to raise or lower the lift assembly try completely unscrewing the pump valve which will allow air to vent and re close it If it still won t move refer to the trouble shooting guides in the appendix 3 2 1 Hand Pump Assembly Pressure Gauge container weight scale The Hand Pump Assemblies are equipped with a pressure gauge to help determine if an overload condition exists If the lock pins are left engaged while trying to raise the container the Lift Caster Assembly will fight against itself and create an overload The hand pumps are equipped with a pressure relief set at 6800 psi equivalent to a load of about 14000 Ibs This prevents the hydraulic cylinder from accidentally damaging the lock
10. aster Assembly can be moved individually on level smooth prepared surfaces by rolling it on its own wheels When traversing any distance more than several feet or crossing unprepared or inclined surfaces the unit may be tilted back and treated like a dolly see figure 2 1b The Lift Caster Assembly is the workhorse of the H L C S in that it provides the fundamental actions of lifting and moving the container All four lift caster assemblies of the H L C S are identical and therefore completely interchangeable CAUTION When rolling the individual unit on its own wheels the lock pins must be inserted with the hydraulic cylinder fully retracted and the swivel locks on both large wheels must be engaged with the casters oriented as shown in figure 2 1 When the lift caster assemblies are not in use and not connected to a container always keep the swivel locks on the large casters engaged with the casters oriented as shown in figure 2 1 and the lock pins inserted at the lowest setting hydraulic cylinder fully retracted Also keep the small casters in their locked down position Failure to heed these cautions could result in severe injury and or propert damage 5 LES CU i320 WT 20000 RAB 144 Figure 1 0 H L C S Deployed www tandemloc com COPYRIGHT 1999 2003 TANDEMLOG INC This document may not be reproduced or modified in whole or part without the express written consent of Tandemloc Inc Page 4 of 24
11. e Assembly The Base assembly figure 2 1a provides mounting for the hydraulic cylinder the Lift Assembly the Hoist Assembly and the front and rear casters 3 1 2 1 Base Assembly Hydraulic Cylinder e The hydraulic cylinder is located at the center of the Base Assembly It is a 10 ton ultimate capacity cylinder at 9 694 psi and a maximum stroke of 14 00 Always fully retract the cylinder when the lift caster is notin use 3 1 2 2 Small Casters see figures 3 1 2 2a and b e The small casters are mounted to the base assembly via two kickstand like mechanisms Their main purpose is to allow the Lift Caster Assembly s hydraulic cylinder to be raised and lowered without the Lift Caster Assembly being attached to a container Thus allowing installation to corner fittings which are not touching the ground e g when the container is on a skid They also may be used to traverse short distances a few feet on smooth paved surfaces CAUTION These small casters should be in the retracted position whenever the lift caster is attached to a container or damage may result www tandemloc com COPYRIGHT 1999 2003 TANDEMLOC INC This document may not be reproduced or modified in whole or part without the express written consent of Tandemloc Inc oO Page 9 of 24 z 3 1 2 3 Base Assembly Rear Casters large e The Rear Casters are the main load carrying casters and have a capacity of 4 000 Ib each for a total of 8 000 lb per Lift
12. eding the hydraulic system e The toe must be fully inserted in the corner fitting with no load on it to rotate e Grease the toe lug assembly per appendix B e Be sure to lower two Lift Casters at once at one end of the container e Be sure all lock pins are pulled out and the rings are vertical e Briefly open air vent remove pump valve and reclose e Be sure pump valve is open counter clockwise e Be sure to maintain proper lubrication per appendix B e Move the container to a more level surface e See troubleshooting solutions for Lift assembly not raising pump not working www tandemloc com COPYRIGHT 1999 2003 TANDEMLOG INC This document may not be reproduced or modified in whole or part without the express written consent of Tandemloc Inc oO Page 18 of 24 zZ APPENDIX B MAINTENANCE H L C S Every time the H L C S is used e Visually inspect all equipment for proper operation and any signs of damage or loose parts Repair replace or tighten as required Every three months e Grease the tubes inside the rubber bellows using white lithium grease Loosen the bellows clamps and use a grease gun and stick it between the bellows and the tube and spread it around circularly e Check hydraulic fluid level in pumps Every six months e Grease all grease fittings They are located in the under side of the swivel bearing on top of the casters at the caster bearings and on top of the rotating toe
13. ft assembly slightly until this occurs If one pin engages and the other does not simply continue raising or lowering the lift assembly until both pins engage The hydraulic pump has a relief valve which prevents overloading the pins in this event so no damage can occur Once both pins engage relieve the pressure in the hydraulics rotate the pump valve handle counter clockwise to protect the cylinder from shock during container transport The load will now be completely supported by the lock pins with no pressure in the hydraulic line The hydraulic line may now be removed from the quick disconnect To change heights reattach the hydraulic line and pressurize the hydraulics to relieve the load off of the lock pins allowing them to be retracted and then rotated 90 to put them in the unlocked position The rings should now be vertical The container may now be raised or lowered to its new height If lowering the unit to disengage the H L C S be sure to reinsert the lock pins at the 0 setting to provide safe transport of the individual Lift Caster Assemblies EXTREMELY IMPORTANT CAUTIONS NEVER Attempt to remove the hydraulic line from the quick disconnect while there is pressure in the hydraulic line severe injury could result NEVER Attempt to move a container with pressure in any of the four separate hydraulic cylinders Cylinder damage will result and void the warranty 3 1 2 0 Lift Caster Assembly Component Bas
14. ft lug automatically draws back making an extremely tight connection with the bottom corner fitting This tight connection cannot be loosened without removing the lifted load from the main large casters This provides a positive safe connection between the jack assembly and the container thus preventing any possibility of accidental disengagement while the container is lifted Figure 3 1 1 1a Lug Unlocked Figure 3 1 1 1b Lug Locked www tandemloc com COPYRIGHT 1999 2003 TANDEMLOG INC This document may not be reproduced or modified in whole or part without the express written consent of Tandemloc Inc oO Page 8 of 24 z 3 1 1 2 Lift Assembly Lock Pins e The lock pins are used to prevent shock loads from ever affecting the hydraulic system See figure 2 1a They also help to restrain the Lift Caster from tipping forward when not connected to a container There are six separate locations where the Lock Pins may be engaged Fully lowered 0 fully raised 14 00 and 4 evenly divided spaces in between 2 80 increments As the Lift Assembly is raised a reference line will appear on the hydraulic cylinder to show approximately where the lock pins will engage Once an approximate desired height is reached pull the rings on the pins and rotate them 90 Then allow the rings to retract into the horizontal slot of the lock pin housing If the lock pin ring doesn t travel all the way into the slot either raise or lower the li
15. he container to the new desired position and follow tutorial 4 2 to lower into place iil d eed a BE Figure 4 1 1 Move the Lift Caster into position www tandemloc com COPYRIGHT 1999 2003 TANDEMLOG INC This document may not be reproduced or modified in whole or part without the express written consent of Tandemloc Inc Page 13 of 24 Figure 4 1 5 Insert Lug www tandemloc com COPYRIGHT 1999 2003 TANDEMLOG INC This document may not be reproduced or modified in whole or part without the express written consent of Tandemloc Inc Page 14 of 24 zZ Figure 4 1 7 Lock Pins is RAB 144 f iii CU 120 e WT 29000 Figure 4 1 9 Connect Towbar www tandemloc com COPYRIGHT 1999 2003 TANDEMLOC INC This document may not be reproduced or modified in whole or part without the express written consent of Tandemloc Inc Page 15 of 24 Figure 4 1 13 Pump one end at a time Figure 4 1 17 H L C S Ready to move www tandemloc com COPYRIGHT 1999 2003 TANDEMLOG INC This document may not be reproduced or modified in whole or part without the express written consent of Tandemloc Inc S Page 16 of 24 z 4 2 Lowering the Container Standard Configuration defined in section 4 1 iE 2 10 11 Engage the brakes on the towing vehicle Starting at the end opposite the towbar attach the two Hand Pump assemblies hoses to the
16. lift lug assembly e Check hydraulic lines fittings for leaks wear Once a year e Change hydraulic fluid see Appendix C carefully inspect all load bearing parts for cracks bends or other signs of damage www tandemloc com COPYRIGHT 1999 2003 TANDEMLOG INC This document may not be reproduced or modified in whole or part without the express written consent of Tandemloc Inc oO Page 19 of 24 zZ APPENDIX C MAINTENANCE HAND HYDRAULIC PUMP Air Removal Removing air from the hydraulic system will help the cylinder to advance and retract smoothly and prevent the cylinder from locking up 1 2 o OV E o N Disconnect hydraulic line at quick disconnect Using proper lifting equipment turn the entire Lift Caster Assembly upside down and leave lift assembly free to move Reconnect the pump to the hydraulic line Position pump at higher elevation than cylinder Operate pump to fully extend the lift assembly Open release valve to retract the lift assembly You will need to push the lift assembly to retract it This will force the trapped air to move up to the pump reservoir Repeat the above steps as necessary Add oil if necessary See below Return the Lift Caster Assembly to its original condition MAINTENANCE Hand hydraulic pump Use only hydraulic oil with the hand hydraulic pump to promote long pump life Check oil level regularly WARNING Always add oil with cylinders fully retracted or the
17. lowing is a detailed discussion of the H L C S and contains information which may not be required for day to day use However users should read and understand all of the information presented in this chapter before using the H L C S for the first time For a quick step by step use guide see the system tutorial in chapter 4 0 3 1 0 LIFT CASTER ASSEMBLY e The Lift Caster assembly is shown in figure 2 1a It consists of 2 major sub assemblies They are the lift and the base assemblies 3 1 1 Lift Caster Assembly Component Lift Assembly 3 1 1 0 Lift Assembly General e The lift assembly see figure 2 1a connects to the container at the bottom corner fitting and raises and lowers to lift the container 3 1 1 1 Lift Assembly Rotating toe lift lug At the base of the lift assembly is the rotating toe lift lug which is inserted into either the side or end hole of a standard bottom corner fitting and twist locked into place To insert the lift lug rotate the oblong handle see figures 3 1 1 1a and 3 1 1 1b so the longer dimension of the handle is vertical insert the lug and then turn the handle 90 to lock the longer dimension of the handle will now be horizontal Before the container is lifted the lift lug fits loosely into the corner fitting This is to facilitate ease of installation no tools are required However as the lift assembly is raised by operating the hand hydraulic pump or the optional electric hydraulic pump the li
18. nsent of Tandemloc Inc oO Page 2 of 24 zZ 1 0 INTRODUCTION e The Tandemloc Hydraulic Lift Caster System previously and hereafter referred to as H L C S shown deployed in figure 1 0 is a portable mobilizing product designed to lift and move containers or units with standard ISO 1161 corner fittings on smooth paved surfaces It has a combined capacity of 32 000 Ib gross weight provided the paved surface can support the load without deforming and can lift a container up to 13 5 off of the ground This clearance is dependant upon many factors and therefore actual heights will vary slightly e The H L C S can be installed including lifting the container by one person in as little as 40 minutes However it is recommended that two persons be used for economic reasons With two persons installation time is less than 20 minutes Note installation time with two persons can easily be reduced to as little as 10 minutes using the optional electric hydraulic pump in lieu of the supplied hand hydraulic pumps e The H L C S is made up of the following components 4 x R17001E 1PA Lift Caster Assemblies and 2 x R17003E 100 Hand Pump Assemblies It is also strongly recommended that a rigid towbar be used for moving the raised container such as the AB42000A 1PA Tandemloc Towbar Optional equipment includes the R17003E 200 Electric pump assembly which replaces the hand pump assemblies R17003E 100 and the R17005E 1PA Offset Adapter Assembly
19. pins It also prevents the user from severely overloading the Lift Caster Assemblies e g attempting to lift too heavy a container or an unevenly loaded container In the event of an overload while pumping the hydraulic fluid will simply drain back into the pump until the pressure is below 6800 psi A side benefit of the pressure gauge is the ability to use the H L C S as a scale to closely approximate a lifted container s weight To do so follow the steps outlined in the tutorials section 4 3 below Figure 3 2 Using the hand pump www tandemloc com COPYRIGHT 1999 2003 TANDEMLOG INC This document may not be reproduced or modified in whole or part without the express written consent of Tandemloc Inc o Page 11 of 24 zZ 4 0 TUTORIALS H L C S e The following tutorial takes the user through the entire process of mobilization It is a step by step guide that must be followed exactly to correctly utilize the H L C S and prevent damage to the unit and or injury to personnel Of course individual circumstances may add additional steps to these tutorials However under no circumstances should any steps outlined anywhere in this manual be ignored omitted or circumvented All of the steps in the tutorials of this manual shall be preceded by the following assumptions This entire manual has been read and understood by all current operator s of the H L C S All maintenance procedures have been followed and the H L C S eq
20. pressure gauge Continue to lift the container to the desired height Start raising the other end stop when the container is level with the previously lifted end Make a note of the pressure readings off of each pumps pressure gauge Add all pressure readings together divide by 9694 and multiply x 20000 The result is the approximate weight of the lifted container the 4 lift assemblies Subtract 300 Ib to account for the 4 lift assemblies www tandemloc com COPYRIGHT 1999 2003 TANDEMLOC INC This document may not be reproduced or modified in whole or part without the express written consent of Tandemloc Inc S Page 17 of 24 zZ APPENDIX A Troubleshooting H L C S Problem Can t move individual Lift Caster Assembly Front lift assembly not raising pump not working Can t rotate the rotating toe lift lug Lift assembly will not lower container stuck in raised position Solution s e Only roll on smooth paved surfaces e Grease all fittings e Check that the pump valve is closed clockwise e Briefly open the air vent by completely removing the pump valve wait until the hissing stops and reclose e Check the hydraulic line and fittings for proper connection and or leaks e Check hydraulic fluid level in pump e Try a different pump on jack to verify rule out pump failure e Try this pump on different jack to verify rule out cylinder failure Follow the procedure in appendix C for ble
21. quick disconnects of the two Lift Caster Assemblies Check to see that the hand hydraulic pump s valve is closed tight Pump the hand hydraulic pump handle to slightly raise the lift assembly until the load is off the lock pins Pull the lock pins and rotate 90 to unlock The rings should be vertical Open the hydraulic hand pump s valve slowly counter clockwise do two jack s at one transverse end at a time to lower the container to the ground Reinsert the lock pins into the fully lowered position You may need to shake the Lift Caster and pull back on the handlebars to get the lift assembly fully lowered Disconnect the hoses and reconnect them to the Lift Caster Assemblies at the towbar end Disconnect the towing vehicle and the towbar Repeat steps 3 thru 7 for the other Lift Caster Assemblies Rotate the handles of the rotating lift lugs until the longer dimension of the handles are vertical Pull each Lift Caster Assembly away from the container CAUTION Always fully retract lift casters into the lowest position when they are not in use Many possible things can occur all of which are bad if this caution is ignored 4 3 Using the H L C S as a weight scale 1 Oy JOIS Be 30 Follow the steps in section 4 1 to attach the Lift Caster Assemblies to the desired container Start lifting the first end Stop pumping just after the container gets off the ground Make a note of the pressure reading off of each pumps
22. ransverse end of the container at a time begin pumping the hand hydraulic pumps to raise the lift assemblies and the container If only one person is doing the installation pump a jack 50 times then switch to the opposite jack pump it 50 times alternating until that transverse end of the container is at the desired height Ref section 3 2 0 See figure 4 1 13 When a reference line appears on the hydraulic cylinder at the approximate desired height stop pumping Engage the lock pins If the pins don t fully engage continue to slightly raise or lower the container until the pins pop in and the rings are fully seated into the horizontal slots then release the hydraulic pressure by rotating the hand hydraulic pump valve counter clockwise The Lift Caster should settle against the lock pins with no pressure in the hydraulic line Try to pull the lock pins they should be impossible to move If they are loose be sure the pump valve is turned counter clockwise loose open the air vent by briefly removing the valve completely and re close If the lock pins are still loose refer to the troubleshooting guide in the appendix Ref section 3 1 1 3 IMPORTANT Attach the towing vehicle to the towbar and engage its brakes Repeat steps 11 thru 14 on the other end of the container Once all four Lift Casters are up lock pins engaged and immobile hydraulic pressure relieved and hoses removed the H L C S is ready to move See figure 4 1 17 Move t
23. tion with the longer dimension of the handle vertical Ref section 3 1 1 1 5 Insert the lug into the bottom corner fitting side hole See figure 4 1 5 6 Rotate the rotating toe lift lug 90 to lock it The longer dimension of the handle will be horizontal Retract both front casters by pulling their handles outboard Ref sections 3 1 1 1 and 3 1 2 2 7 Disengage the lock pins if step 3 skipped Ref section 3 1 1 3 See figure 4 1 7 Repeat steps 2 through 7 for the remaining jacks Assemble the towbar at the desired end of the container See figure 4 1 9 10 Engage one swivel lock on the two rear most wheels furthest from the towbar so that the wheels are locked in the desired direction of pull All six other wheels should be left free to rotate It s also helpful but not necessary to rotate the wheels in the general desired direction of pull Ref section 3 1 2 11 At the two Lift Caster assemblies nearest the towbar engage the two hydraulic hand pump assemblies hoses to the hydraulic quick disconnect fitting protruding from the center of the base assembly www tandemloc com COPYRIGHT 1999 2003 TANDEMLOC INC This document may not be reproduced or modified in whole or part without the express written consent of Tandemloc Inc S Page 12 of 24 z 12 13 14 15 16 17 18 Rotate the hand hydraulic pump valves clockwise until tight Ref section 3 2 0 In pairs of Lift Caster Assemblies one t
24. uipment is in good operating condition The lifted container is rated for its current gross weight that weight does not exceed 32 000 Ib and is evenly distributed the towing vehicle is in good operating condition is rated for the current load and will be operated by a competent licensed tractor trailer driver 4 1 Lifting the container Standard Configuration The standard configuration is defined as mounting one Lift Caster Assembly at each corner of a standard ISO freight container They are mounted to the side holes of the ISO 1161 bottom corner fittings A rigid towbar such as Tandemloc s AB42000A 1PA Twistloc Towbar is used for towing and is attached to one end of the container via the end holes of the ISO 1161 bottom corner fittings The surface to be traversed is smooth concrete free of surface defects 1 Using the dolly transport method figure 2 1b bring all H L C S equipment near the container to be lifted See figure 4 1 1 2 Rolla Lift Caster Assembly to one corner of the container facing a longitudinal side See figure 4 1 2 3 If the corner fittings are resting on the ground skip to step 4 If the corner fittings are not resting on the ground disengage the lock pins and adjust the height of the lift assembly via the hand hydraulic pump so that the rotating toe lift lug is the same height as the hole in the bottom corner fitting Ref section 3 1 2 4 4 Check to make sure the rotating toe is in the unlocked posi
25. which allows for the H L C S to be installed inboard of the longitudinal envelope or transverse for close quarter mobilizing of the lifted unit The H L C S has a very small footprint that allows it to be stored in an area less than 20 square feet with a height of 48 The H L C S s hand hydraulic pumps come equipped with pressure gauges which may be used to determine an approximate gross weight of the lifted container See section 3 2 1 and the tutorial section 4 3 At maximum capacity 32 000 lb gross weight the H L C S can be towed at up to 5 mph This speed may be increased proportionally to a decrease in weight up to a maximum of 15 mph IMPORTANT The preceding statement assumes the prepared surface is smooth and free of surface defects the surface can support the pressure under the casters the towing vehicle is of adequate capacity to control the container at a given weight and speed the towing vehicle operator is licensed and competent and the unit is prevented from colliding with any external objects www tandemloc com COPYRIGHT 1999 2003 TANDEMLOG INC This document may not be reproduced or modified in whole or part without the express written consent of Tandemloc Inc oO Page 3 of 24 z 2 0 COMPONENTS General Discussion 2 1 Lift Caster Assembly e Figure 2 1a is a photograph of the R17001F 1PA Lift Caster Assembly with all operational parts identified via balloons and defined in table 2 1 The Lift C
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