PLT Scissors Dock Lift Installation, Operation and Service Manual
Contents
1. PARTS LIST FOR PLT 6070 6080 AND 60188 LEG SET Figure 28 Leg Assembly Parts Detail PLT 6 5 AND 6062 LEG SET FOR 52 PARTS LIST POWER UNIT PARTS LIST Contractor Description Part No Part No 1 Motor 5 208 230 460 Volt 3 PH straight shaft 30600449 N A Motor 5 HP 208 230 460 Volt 3 PH tang shaft N A 30600613 1 Motor Coupling Lovejoy L 095 1 1 8 bore 20000154 N A 1 Pump Coupling Lovejoy L 095 7 16 bore 20000030 N A 1 Coupling Rubber Spider 20000162 N A 1 Pump 2 25 GPM with straight shaft 40300162 N A Pump 2 99 GPM with tang shaft and internal relief check N A 40200630 2 74 Dyna Seal Washer for Deltatrol 45901014 N A 1 Return Pipe Assembly 6 long 41050485 N A 1 Sump Strainer 47700075 41050139 1 Hose Pump to Deltatrol 3 8 x 18 long w 1 swivel 46100020 N A 1 Deltatrol Kit 41050880 N A 1 Down Solenoid 24 volt 32701380 32701290 Down Solenoid 115 Volt 32701370 32701300 1 Filler Breather Cap Assembly 47700208 47701640 1 Oil Reservoir 16 x 16 x 10 64000813 N A Oil Reservoir polyethylene N A 64201020 1 Control Panel 460 24 controls 35150150 35150150 1 Control Panel 208 230 VAC 24 VAC controls 35150140 35150140 1 Control Panel 460 VAC 115 VAC controls 35150155 35150155 1 Control Panel 208 230 VAC 115 VAC controls 3512. IL NT PU 1 N IN 1 IT UR TE REDI WALL MOI QTY REQUIRED PAGE NAME THIS 2 t 5 ELIA EE OTES APPROXIMATE WEIGHT REFERENCE DWG Figure 25 Pushbutton Assembly 48 LLI 2 lt 2 lt lt lt 02 2 O 101 0666 1 0 12 1001 HOLIMS 17 diva A8 1 1000 076 06006 TMO G WALI HO ON LYYd 615000 Had 1 4000 096 S WALI 4 1000 096 SYM frit WALI 390718 JILL MAN NO 104 3155 10 1 09 099011 NI HO 1OHINOO NOILONGOdd AT3LVIGI3NNI A3ILON Q3SIA3 l ANSSI YIHSYMMDOT 014 Z MIYOS X ONN 92 0 2 HOLIMS 303 Wav 418VLSNray HOLIMS WV8 9 X X el 1355 9 VET 9 2 31V Id ONILNNOW STVIH3LLVIN 3ON33H3H 9 9 NOI ISVE 7 b CN 09 z gt LU OF 9 og gt 2r gt ER 5 0 c gt a 5 29
3. ILON 33S H3SIAIN V LNOHLIM 437581 Q3SIA3H dl ATILVIGINNI S3OIAH3S NOILONGOYd AJLLON ANY 907 31581 Q3TIOHINOO NMOHS NOISNAWIG OL 1 38 5 dINDOLNV LY GATIVLSNI 38V SNIVHO SNIVHO G3TIV1SNI 07314 OL ILON MOOHAdVNS NI ONINNODAS ANY LHDIL ONITINd A8 NI 399138 3401235 TIVHONYH LSNIVOV LI NV31 ANY NOILISOd 1 OL TINd NOLLISOd Q3SIVM 3 OL l 5779 5 4 SIHL NO 1 SIE NY NONE HANOLSNO A8 5501 LNIAIYd 3AVH ATIVWHON NI LI 3HL OL Q3S0 10 N3dO 1O3NNOOSIG OL ANIT NMOHS ANVIO 9 NO SNIL4I1 1 AINO 9 S39aME 72 NO LNIOd V OL 1 40 3344 3HL V TINd 54016 SLI NO 1534 OL E 13A31MOOT4 G3SIVY 1411 HLIM MOOHdVNS 3H L 40 dVNS 3HL NIVHO 40 WO GNOOZS 4 5 MOVL 36070 131343 ONIdNYTO S NO ANIT NO MOOHdVNS TIVLSNI L NOL
4. 323ld 1 V NAAOHS SLIM NIVHO dO ONOOZS 2 Y Der Z MOMHL LITdS G38IS3G dl GUAM 1 4350102 1414A4 DNIANVTO ALON A8 NO NO MOOHdVNS TIVISNI WOLLOG NO NOILISOd Q333MO 1 LHOddNS OL LON NOLLISOd Q3SIVH 3H NI ONIYNDIS ONILAIT 40 SNVAW V 3GIAOd OL SI NIVHO SHL dO 3SOdHNd JHL SNOILONYLSNI NOILVTIVLSNI VIC 669 OL c8 MNISYILNNOD YOLOVA 4IVOS NOILO3S 02 2 84 02 lt Z lt lt lt Adis Ve 9 DE 0 2800 LEG dge Installat 27 15 Br igure F INSTALLATION INSTRUCTIONS 0 9800 LEG 12 gt WOENS 5 sova IDAG 280 Ed Comep au S6 8L L 31ON NOISNAWIG 9667 1 887000 Mid ILON 16100 SYN 1OAINAS 30551 1031109 d3aav OPS 811 NOISIA3M SLON 04809 01 dYNS 70 915 SW ALON 35 33 WO8 dVNS 313130 Yad 1 434 4015
5. 7 ONILNNON 3SV8 40 NOILV2O1 Z 2 2 SH3HLO OL git 2 013 4 HL p 240 ob AYOM Lid AANI 11 L 13 nio f ONN Lid y a NAINN 4 481 SALON mi NE 93 01 N02 OL op 04 450 s ERY ISOH EUY 0 2 23 ON Y day 5j 01 Yong P TL 301 did 3 433 6 Od sapalla Tag UNOD n via 2 OH d You Vig g 2919 1 9 NI dagaa 404 I 8 n dNNS Sige oa a 1 7 Na er ES DEF SSANMOIHA JOIN 39014 812 SIGE Z HLOIM 390188 HLOIM 663234 390148 3 NE HLON31 564938 IDAE 29 00109 114 ave 21 42 20 1 waak 210 220 498 021 X utg 14 H19N31 SS323H S00L09 11d Ad 210 21 waak 210 24 50809 1 4 dAl S319NV AANI 50209 1 1 86 000 96 0809 114 13315 VOL09 11d ss
6. 2 lt A c WO2 dinDOLQnV MMM 986 118 888 20 2 4 0 7800 928 8501 77051 MO 9 LHOINAdOO ALOND TVIRILSOGNI M 8SOL EE 114 12 1 2 INFITALHIATOd TOMLNOO MOTA 8LX 6X 6 IVD 9 S GION310S NMOG EN 15001 dIHS N EAN ESL dIMLS TYNINYIL fes NMOHS OL MOLOVLNO9 efa 14 INNON VIA UALUVLS MANMOASNVML 21 1OHINOO ae S3ATVA 43434 M93H2 lt gt TVNMALNI 82 46001 dIHS 1 ANAAL 3NDMOL S NOLLnS8HSfd Se AS N LNNOW 310013 1V9 LNNOW 1V9 SP ONILNNOIN TIVM X00714 ITEVLINS ONILNNOW NOILVLOND 61 1 2 LX vC LINN H3MOd SNOISN3MWIG ALVINIXOUddY N SALON 0 800 928 Figure 30 Contractor Power Unit Parts Detail 55 PARTS LIST HYDRAULIC PARTS LIST ITEM Part No Part No No PLT C 6070 Description 6050 6080 6060 60100 1 2 Cylinder 1 2 bore x 11 72 stroke 42400731 N A Cylinder 4 bore x 15 7 16 stroke N A 42700831 1A 2 Universal Seal Ki
7. The velocity fuse may be locked Do not attempt to remove the velocity fuse The following steps should be followed 1 Remove the load from the lift Inspect all fittings hoses and other hydraulic components for leads or damage 2 f no leak or damage is noticed attempt to pressurize the lifting cylinder by depressing the UP button on the controller for a few seconds Immediately up releasing the UP button depress the DOWN button If the lift starts to lower continue pressing the DOWN button until the lift is in the fully lowered position 3 If the lift does not lower after trying Step 2 wait approximately 10 15 minutes for the pressure in the hydraulic system to equalize Then depress the DOWN button until the lift is in the fully lowered position 4 Once the lift is in the fully lowered position bleed the air from the hydraulic system by depressing the DOWN button Hold the DOWN button for approximately 60 seconds This step may need to be repeated several times to fully remove the air in the system by raising the lift to 5096 of its travel and then lowering it Should the above steps not correct the problem contact Autoquip to obtain instruction for further action 58 TROUBLESHOOTING ANALYSIS PROBLEM POSSIBLE CAUSE AND SOLUTION Lift raises slowly The structural members of the lift may be binding The tubing or hose is obstructed or broken Where pipe is used check for
8. 3 2 Caution Familiarize Yourself With Operators Manual 36401487 5 1 Autoquip Serial Number Nameplate 36401511 6 2 Warning Do Not Operate This Equipment Without 36403715 7 1 Black amp Yellow Striped 06100010 8 2 Leg Socket 36400265 9 1 Maintenance Leg 36400257 10 LABEL IDENTIFICATION Note Labels shown here are not actual size Autoquip 000 LBS CAPACITY Figure 2 Label 36401594 1058 W NDUS HIAL AVE GUTHME 72046 10958 1057202 5200 WWW I Do not put hands Do not work Do stand feet under top under lift without edel maintenance lift ins 4 device or servicing lift I I Figure 3 Label 3643005OM FAMILIARIZE YOURSELF WITH OPERATORS MANUAL BEFORE OPERATING THIS EQUIPMENT Figure 4 Label 36401487 11 LABEL IDENTIFICATION P O Box 1058 1058 W industrial Ave Guthrie OK 73044 4058 888 611 9876 WWW AUTOQUIP COM SUNT IDUM OF 5 MINER CORPORATION Atoq MAXIMUM LOAD MODE MODEL NUMBER 2 22 SERIAL NO EE OVER EDGES 6954 da Figure 5 Label 36401511 THIS EQUIPMENT WITHOUT HANDRAILS AND SNAP CHAINS Figure 6 Label 36403715 12 LABEL IDENTIFICATION Figure 7 Label 06100010 LEG SOCKET 364 0026 5
9. SIA319 3SV8 S A 481 N Sg NOILOAS w e Via ESA lt 36 8 1985 991 YANNI 7 Z 1 1 1 SIA319 3sva AHVSSHO3N dl LSNrAV 3Y NV 1581 NOLLVTIVISNI HO TVYNIH LV LHOISH 5 OL HOLIMS 30 Wav LSnrav t 303 NI NMOHS NOILISOd G3SIV NI 931 p 1 MMM Sh 937 YANNI 798 0 Models 6050 6060 ing Diagram 49 Ir t Switch Wi imi 26 L Figure GENERAL NOTE AUTOQUIP DOES NOT SUPPLY ITEM 7 THIS MUST BE SUPPLIED BY OTHERS 2 x 4 BAR Figure 27 Limit Switch Wiring Diagram Models 6070 6080 60100 50 REPLACEMENT PARTS LIST LEG ASSEMBLY PARTS LIST Part 6070 Description 6050 6080 6060 60100 1 4 Pin leg clevis 1 1 8 x 2 long 52502705 N A Pin leg clevis 1 1 2 x 2 15 16 long w 2 ring grooves N A 52500287 2 4 Bushing 1 1 8 ID x 1 long 20022877 N A Bushing 1 1 2 ID x 1 long N A 20023925 3 2 Bushing 1 1 2 ID x 2 long 20024006 N A 8 Bushing 2 ID x 1 long N A 20025326 4 2 Washer 1 8 TK x 1 7 ID x 2 77 OD steel 24024507 N A 6 2 R
10. The hydraulic line or hose may be leaking Oil in the reservoir may be low Add oil as necessary See the Routine Maintenance section The load may exceed the rating the Specifications section The suction screen may be clogged Remove and clean the screen Drain and replace the oil The suction line may be leaking air due to a loose fitting Tighten as needed e The breather holes in the reservoir fill plug may be clogged Remove and clean The Down valve may be energized by faulty wiring or stuck open Remove the solenoid and check e The power unit pump may be defective The structural members of the lift may be in a bind The manual lowering device may be engaged Lift seems bouncy during There may be air in the hydraulic system operation Bleed the air from the cylinder Oil in the reservoir may be low Add oil as necessary See the Routine Maintenance section The power unit suction strainer may be clogged The power unit suction line may be leaking There may be foreign material on the roller plate 57 TROUBLESHOOTING ANALYSIS PROBLEM POSSIBLE CAUSE AND SOLUTION Lift will not lower The down solenoid may be malfunctioning The maintenance leg could be installed The structural members may be in a bind The tubing or hose is obstructed or broken Check for obstruction in the line The return filter may be clogged
11. 2 pipe plug may have to relocated as shown NOTE Use pipe dope at all connections DO NOT USE TEFLON TAPE Raise the lift approximately one foot using the UP button Caution Do not raise the lift to its full travel until all the air has been bled from the system It is very difficult to lower the lift if the velocity fuses engage while the lift is fully raised Then lower the lift back to fully collapse holding the DOWN button for approximately 30 seconds Repeat this process five to seven times to bleed any air out of the hydraulic system while confirming that the alignment of the lift in the pit is acceptable 23 INSTALLATION INSTRUCTIONS 8 Raise the platform and install the maintenance leg see Lift Blocking Instructions section Lag down the base frame in the holes provided Lag bolts should be able to withstand 2000 Ibs minimum upward pull at each corner Replace any electrical connections with permanent Final Preparation 1 Place the handrails in the platform sockets as shown in Figure 12 2 Be sure the maintenance leg is securely in its storage position 3 Check oil level of reservoir with the lift in the fully lowered position Oil should be 1 to 1 1 2 below the top of the reservoir tank See the Maintenance section for oil specifications 4 Make sure that all applicable labels are in place in accordance to Figure 1 N WARNING All DANGER WARNING and CAUTION labels and in
12. available from a local Autoquip distributor INSPECTION Immediately upon receipt of the lift a visual inspection should be made to determine that the lift has not been damaged in transit Any damage found must be noted on the delivery receipt In addition to this preliminary inspection the lift should be carefully inspected for concealed damage Any concealed damage found that was not noted on the delivery receipt should be reported in writing to the delivering carrier within 48 hours The following is a checklist that will aid in the inspection of the lift 1 Examine entire unit for any signs of mishandling Pay special attention to the power unit and controls 2 Thoroughly examine all connections making sure they have not vibrated loose during transit 3 After installation raise the lift and inspect the base frame and scissors assembly RESPONSIBILTY OWNERS USERS DEFLECTION is the responsibility of the user purchaser to the manufacturer where deflection may be critical to the application INSPECTION amp MAINTENANCE The lift shall be inspected amp maintained in proper working order in accordance with Autoquip s operating maintenance O amp M manual and with other applicable safe operating practices REMOVAL FROM SERVICE Any lift not in safe operating condition such as but not limited to excessive leakage missing rollers pins or fasteners any bent or cracked structural members cut or frayed e
13. in its designed blocking position 3 Remove the maintenance leg from its storage location on the clevis end of the lift either under the platform or between the legs Place one end of the maintenance leg in the socket on the base frame of the lift See Figure 10 4 Lower the lift platform until it comes down and makes contact with the maintenance leg within the circular socket welded underneath the platform Check again to ensure that the device is inside the maintenance collar and in contact with the platform deck surface If the maintenance leg is not fully engaged the lift could fall unexpectedly resulting in permanent damage to the devices or the lift table 16 LIFT BLOCKING INSTRUCTIONS N DANGER If for any reason you are unable to lower the lift completely onto the maintenance device s stop immediately and consult the factory Failure to properly use the factory approved maintenance device s could result in severe injury or death 5 Once the maintenance device s are properly engaged continue to press the down button or switch for an additional 5 10 seconds to relieve all hydraulic pneumatic pressure in the system N DANGER Failure to relieve lift table system pressure could result in the sudden and unexpected release of pressure during maintenance and or repair of the lift and result in severe injury to personnel and or damage to the lift 6 Follow OSHA lock out tag out procedures Disconnect and tag all elec
14. install the bearing assembly and the piston on the rod and torque the lock nut to 500 ft Ibs Install the rod into the tube using care not to damage any seals or packing Align the retainer hole in the bearing assembly groove with the slot in the tube Insert the retainer hook end in the hole slot and using a face spanner wrench turn the bearing assembly clockwise until the retainer is completely inserted in the groove slot in the tube Check the clevis pin bushings in the cylinder rod for wear and replace as necessary 39 GENERAL 18 19 20 21 22 23 24 25 26 Install the assembled cylinder into the lift carefully driving the clevis pin through the clevis and cylinder rod Extreme care must be taken to prevent damage to the clevis in the bushings Install the pin retaining screw with washers engaging the slot in the pin and torque to 25 ft 105 or the retaining rings and washers on the pin cylinder rod may be extended by hand Connect the cylinder hydraulic hose and the tee using the recommended sealant Check all pins and other mechanical as well as hydraulic components to assure that the assembly is complete and in good working order Turn the electrical supply back on and press the UP button on the controller to raise the lift NOTE 15 to 30 seconds time may elapse to fill the empty cylinders before movement is noted Remove and place the maintenance leg in its st
15. obstruction in the line The hydraulic line or hose may be leaking The oil viscosity is not suited for the environmental conditions Refer to Routine Maintenance section for oil recommendations Check the oil level in the reservoir The motor voltage wiring may be incorrect The suction screen may be clogged Remove and clean the screen Drain and replace the oil The suction line may be leaking air due to a loose fitting Tighten as needed The breather holes in the reservoir fill plug may be clogged Remove and clean The power unit pump may be defective Lift lowers slowly The structural members of the lift are binding The tubing or hose is obstructed or broken Where pipe is used check for obstruction in the line The oil viscosity is not suited for the environmental conditions Refer to Routine Maintenance section for oil recommendations The return filter may be clogged due to dirt or damage 59 TROUBLESHOOTING ANALYSIS PROBLEM POSSIBLE CAUSE AND SOLUTION Lift will not remain in e The cylinder packing may be leaking raised position e The pump or Deltatrol regulator is not seating The pump or Deltatrol check valve is not seating The hydraulic tubing hose or fitting is leaking oil e The return filter may be clogged 60
16. safety of the equipment and are grounds for voiding all warranties SAFETY SIGNAL WORDS SAFETY ALERTS Required Reading The following SAFETY ALERTS are intended to create awareness of owners operators and maintenance personnel of the potential safety hazards and the steps that must be taken to avoid accidents These same alerts are inserted throughout this manual to identify specific hazards that may endanger uninformed personnel Identification of every conceivable hazardous situation is impossible Therefore all personnel have the responsibility to diligently exercise safe practices whenever exposed to this equipment N DANGER Identifies a hazardous situation which if not avoided will result in death or severe personal injury WARNING Identifies a hazardous situation which if not avoided could result in death or serious personal injury CAUTION Identifies a hazardous situation which if not avoided may result in minor or moderate personal injury CAUTION Caution used without the safety alert symbol indicates a potentially hazardous situation which if not avoided may result in property or equipment damage 5 SAFETY PRACTICES Read and understand this manual and all labels prior to operating or servicing the lift labels are provided in accordance with ANSI 2535 4 N DANGER Do not work under lift without maintenance device To avoid personal injury NEVER go under the lift platfor
17. to the lowered height of the lift for leveling purposes see Figure 11 Fully lower the lift platform into the pit and check for proper height Shims and or grout must be placed under the entire base frame assembly and the platform support members to support the platform top at grade level DO NOT spot shim Shims and or grout must be able to support the lift base frame while loaded at full rated lifting capacity and rollover load Starting Up and Lagging Down 1 Check the routing of the temporary hydraulic lines to assure that the hose is clear of legs bas frame and platform when is in the lowered position Make positioning adjustments of the lift to align the platform with one inch clearance around the edges of the pit Make temporary electrical connections and permanent hydraulic connections refer to Hydraulic Piping Hose Size chart above The female end connection on the lift base frame is 1 2 NPT In order to run hose to the lift cylinders from a remote power unit without having to route the hose under the base frame all 8 lowered height PLT models have been provided with the necessary fittings to do so Simply thread one end of the ship loose high pressure pipe nipple to the 1 2 Tee located in the base frame and thread the ship loose high pressure hydraulic elbow fitting to the other end of the nipple and through the notched area of the platform bevel toe guards refer to Figures 13 and 14 The 1
18. 400 72x120 4 900 601008 12 10 000 6 400 6 400 6 400 84 120 5 200 All PLT Models 6O inch travel NOTE All PLT Series Lifts have a rollover capacity equal to twice the lifting capacity when in the fully lowered position LOAD CAPACITY The load capacity rating is stamped on a metal plate attached to one side of the lift This figure is a net capacity rating for a lift furnished with the standard platform The relief valve of the pumping unit has been set to raise the weight plus a small amount for overload Where gravity roll sections special tops etc are installed on the lift after leaving the plant deduct the weight of these from the load rating to obtain the net capacity Lifts should not be overloaded beyond the established capacity as damage and or personal injury may result CAUTION 14 SPECIFICATIONS UNBALANCED LOADING The stabilization provided is basically for balanced loads If special attachments extend beyond the length and or width dimensions of the platform the end and or side load capacity must be reduced contact an Autoquip Sales representative PUMP PRESSURE This lift incorporates a positive displacement pump machined to a high degree of accuracy and specially adapted to requirements of higher pressure ranges over that of a standard pump Therefore standard factory models of the same manufacture cannot replace it The pump can operate efficiently at intermittent pressures up
19. 50145 35150145 1 Control Signal Pushbutton UP DOWN 36201820 36201820 1 Flow Control Valve N A 41502840 53 9 ze N ad lt 2 2 lt A LLI c WO2 dinDO1nV MMM 9286 18 688 os LO L OL L 02200928 8501 77051 MO LH9INAdOD ALOND HAV TVINLSNANIM 8901 1V7SOdONd dINDLDOLNV anbojny 15 TVIILYAA dHS LINN 45001 aaddiHs NOILVLS LANVANSd LIN TIVM T NOLLONS 3914140 S EN LG ALIOVdVO NOTTV9 LL 5 H9IH 01 X 91 X 9L M YIOAYISAU ux Let 25001 aaddiHs sd OL X ul X ul Se redet ES TAAIMS LHOIVULS VI AE 0 8 SON A gt 140d IUNSSAUd a 10U1V11aa s lt Doct ow MOLOW GION310S NMOG 9371005 1114 dH S S TOHLNOD NOLLNAHSNd 1 SNOISNAWIdA ALVINIXOUddY H9IH X X uOL LINN YAMOd SALON 02200228 Figure 29 Vertical Power Unit Parts Detail 54 0 ad lt A 2
20. 67 IMa 887000 93 QQV 96 0 21 TO8NAS SASS 1041 02 QQV 495 4015 SIN NOISIAZY 3LON W O 8 OL 04009 2 x lt 70 95 96 SN a OSPE 8 O3 MOOH dVNS 313130 e HAAdNNN 8Of V LNOHLIM GANSSI dl HO G3SIA3 dl AT31VIOSININI 8321438 NOLLONAOMd AALLON ANY 901 3755 Q3TIOHLINOO SOC Mad 1 MOOHAVNS NI UNIT 5 ANY LHOIL NIVHO SNITINd Ad 39201 8 336003S IIVHONVH AHL LSNIVOV LI NY3T ANY NOILISOd LHOIHdN OL TINd NOILISOd NI 39GIH8 3 OL 8 ton YINOLSND 8801 L Z Ol 445012 N3dO dIAV TO 8 NO MOOHdVNS 40 31V201 SIHL 031 001 AAVH ATIVINHON ONILAIT 1 AINO ONIHINDIY 63490148 SLIM 3 GANS LYOHS NVO NIVHO AHL NI LI MOOH 38 ANY MOOH 3H L NOH4 LO3NNOOSIG NOLLO3S NI NMOHS SV OL S NIVHO HOV LLV SV MNISYILNNOO S31OH TINA LI 1 ATIYNHON MOOHdVNS dO dVNS JHL NI A
21. 9NIH3MOT1 GION31OS IOHLNOO Q3LVSN3dWOO JYNSSIYd 43734 40 a13 1dNOO S3aIAOMd JAYA IYNSSIYd 1 0005 259 Figure 21 Hydraulic Schematic Vertical Power Uni 44 JER S Zu 5 su pest uc FH 5 10 g 5 ui L lt lt 8 5 OIE Ss 23 I gt 25 E JB I P e HH ER 55 7 f lt lt lt IL e 4 13 EIS OIE ES 00 ste a 5 u pm BE A lis zs LI Sul Ma e D s sat 1 3 a E N 4 A CL SEED 5 4 c A 5 14 T d Ee Ju 5 gt NY Figure 22 Hydraulic Schematic Contractor Power Unit 45 Figure 23 Electrical Schematic 208 230 460 Volt Three Phase 46 GENERAL MAINTENANCE lt 40 Figure 24 Electrical Schematic 230 V 1PH GENERAL HEHS DRAWING NUMBEF REVISIONS
22. DO NOT USE TEFLON TAPE 3 Bumper posts are recommended to protect the lift from horizontal forces when in the raised and lowered position 4 The base of the lift must be lagged down in the holes provided Lag bolts should be able to withstand 2000 108 minimum upward pull at each corner 5 Shims and or grout may be required to insure support of the entire base frame and platform support members DO NOT spot shim Shims and or grout must be able to support the lift while loaded at full capacity 6 Optional floor ramps are available Consult a local Autoquip dealer Figure 13 Pipe Nipple Installation for 8 Lowered Height PLT 25 02 2 02 lt 2 lt 21 lt 02 lt 930 Sr 010 3903 d YHS x STYMID3Q LL 9330398 SSIMYSHLO SS31Nn SSONVSSIOL 4402 G3A238533 1 5144305 Qavno 301 HAAS dO 3203 33AO1 NI HOLON JWY 4 3SV8 NI 331 331 JO 1404 3415 did 33055339 HOIH 2 3 MO913 33055384 HOIH 301 NOILVTIVISNI 91313 Figure 14 Pipe Nipple Installation for 8 Lowered Height PLT cont d 26 V 04800168 10 801 WNTV 96 9 5 i Md i 319 Ad NOLLdIMOSA A38 96
23. Figure 8 Label 36400265 MAINT DEVI For use only in maintenance of AUTOQUIP LIFT Not to be used to support the lift platform when loaded See instruction manual or proper usage 384 04025 7 Figure 9 Label 36400257 13 SPECIFICATIONS Model Lowered Lift Axle Load Axle Load Axle Load Platform Lift Height Capacity Capacity Capacity Capacity Size Wt Inches Bridge Opposite Over Sides Inches End Bridge End 6050 8 5 000 3 000 3 000 2 500 71 1 2 x 96 2 800 6050A 8 5 000 3 000 3 000 2 000 96 x 96 3 300 6050 8 5 000 2 000 2 000 2 500 72x120 3 400 6050 8 5 000 2 000 2 000 2 250 84x120 3 400 6060 8 6 000 3 000 3 000 2 500 71 1 2 96 3 000 6060 8 6 000 3 000 3 000 2 000 96 96 3 400 60605 8 6 000 2 000 2 000 2 500 72 120 3 400 6060 8 6 000 2 000 2 000 2 250 84 120 3 500 6070 12 7 000 6 400 6 400 6 400 72 100 4 600 6070 12 7 000 6 400 6 400 6 400 96 100 4 780 60705 12 7 000 6 400 6 400 6 400 72x120 4 800 6070 12 7 000 6 400 6 400 6 400 84 120 4 900 6080 12 8 000 6 400 6 400 6 400 72x100 4 700 6080 12 8 000 6 400 6 400 6 400 96 100 4 890 60805 12 8 000 6 400 6 400 6 400 72 120 4 800 6080 12 8 000 6 400 6 400 6 400 84x120 5 100 60100 12 10 000 8 000 8 000 6 400 72 100 4 800 60100 12 10 000 8 000 8 000 6 400 96 100 4 990 60100 12 10 000 6 400 6 400 6
24. HL 318NIH1 NO H31N39 HIVdZH HONOYHL 3dOM 3MIM LAN 318VO v l 1 vilt JOANNE NO HONOYHL ITEWIHL 318VO LH3SNI F MIVday SH3HSVM 1 1 8 6 ANY SYIHSVM 8 6 SOHH X 81 816 9 SNISN NOIHONVLS 3dld OL A18N3SSV HONIM 1108 SH3HSVM 2 1 v Su3HSvM 1v 14 2 1 p SUAHSVM 1914 ANY SH3HSVM MOOT Z L SOHH 97L X ONN EL T L v SOHH 91 X ONN L 2 L 7 4 81108 18 NOIHONVLS JHL OL A18IW3SSV NOIHONVLS 1108 X 05 1 3AO8V Mad WHO4LVId OL 4018 39088 340 9 4018 390149 72018 DLW NOIHONVIS ATIM SALON NOLLVTIVISNI 9 9 7 2 5 5 O 4 p NOIHONVIS T 1NANOTAM NOLLVOOT N Ne VALE gt A 3dOM3HIM gt N dois 001906265 NO ve Wall o uva uH 918 X v X 2 1 X N z L 9 749018 9LW NOIHONV1S 3 NS Z 5 SH3HSVM MOOT 8 6 6 3 7 UM I I 5 Su3HSVM 1v13 9 6 8 gt AS d SOHH 911 X ONN 81 8 6 P o LL y IM Asi 4 u AINO 40N4H444H 303 NMOHS 9 STIVHONVH NMOALV1d 1411 80 L 11906264 INSTALLATION I
25. INSTALLATION OPERATION AND SERVICE MANUAL PLT SCISSORS DOCK LIFT 1058 1058 West Industrial Avenue Guthrie 73044 1058 405 282 5200 FAX 405 282 8105 www autoquip com Item 830PLT Version 3 0 12 2004 Identification Inspection 3 Responsibility of Owners Users 4 Safety Signal Words 5 Safety Practices 6 Label Identification 10 Specifications 14 Lift Blocking Instructions 16 Installation Instructions 19 Operating Instructions 33 Routine Maintenance 34 General Maintenance 36 Replacement Parts List 51 Troubleshooting Analysis 57 IMPORTANT Please read and understand this manual prior to installation or operation of this lift Failure to do so could lead to property damage and or serious personal injury If questions arise call a local representative or Autoquip Corporation at 1 888 811 9876 or 405 282 5200 PLANNED MAINTENANCE PROGRAM A local Autoquip representative provides a Planned Maintenance Program PMP for this equipment using factory trained personnel Call a local representative or Autoquip Corporation at 1 888 811 9876 or 405 282 5200 for more information IDENTIFICATION INSPECTION IDENTIFICATION When ordering parts or requesting information or service on this lift PLEASE REFER TO THE MODEL AND SERIAL NUMBER This information is on a nameplate attached to the leg assembly Replacement parts are
26. LISOd LYOddNS OL LON NOLLISOd 394138 30 OL SI SHL 40 IHL SLIM V SNOLLONHLSNI NOLLVTIV LSNI LIM 1 AINO 393ld 1 Y NMOHS SLM M LITdS 0342305 Figure 16 Bridge Installation Steel 28 02 2 O 84 0 lt 2 lt lt 02 lt 9 190868 848840 9 0 328 3988 3140 3VAXOMddV HO TOHLINO9 1SISSV 801 114 8201 EM AT3LVIGINNI AJLLON C3SIA3 AI 40 MOVTS SAOWSY OL HONIM dO OLNI 3HIM HONIM 40 10046 40 JAIS NI ON rov 850 30551 TOYLNOD 310H HONOMHL 40 YIHLO S A8 ON sooo anssi I 3 SI 318 2 SI TILNN LAN 318VO N NALHOIL LAN 318VO IHL HONOMHL MOVE SHIM dO IHL 318vo FHL OVAM
27. NIT A Vertical Power Unit HIGH VOLTAGE Disconnect and or lock out the electrical supply to power unit per Lock Out Tag Out procedures prior to any installation or maintenance being performed The vertical unit utilizes a heave duty 5 HP 208 230 or 460 Volts 60 hertz 3 phase motor coupled to a high pressure positive displacement gear pump and Autoquip Corporation s patented Deltatrol valve assembly It is also available with a 5 HP 115 or 230 Volts 60 hertz single phase motor as an option 2 The following should be referenced in connecting the standard heavy duty motors to power sources Remember that heavy wire must be used all the way to the power source Power Unit 115 Volts 208 Volts 230 Volts 460 Volts Standard Three Phase N A 16 AMPS 15 2 AMPS 7 6 AMPS Standard Single Phase 58 AMPS N A 24 5 AMPS N A NOTE All amperage draws shown are full load amperages B Contractor Remote Power Unit HIGH VOLTAGE Disconnect and or lock out the electrical supply to the power unit per Lock Out Tag Out procedures prior to any installation or maintenance being performed The Contractor Power Unit utilizes a Super Torque intermittent duty one full lift cycle per four minute period 5 HP 208 230 04 460 Volts 60 hertz 3 phase motor driving a high pressure positive displacement pump assembly with internal relief check and du
28. NSTRUCTIONS N Y gt 74 2 C NX s x 202 ed z 7 2 2 gt 7 N 74 Z 2 7 5 2 72 x lt K SH 7 f 22 Figure 18 Pit Modification and Installation For Mechanical Wheel Chock 30 INSTALLATION INSTRUCTIONS 1 PROCEDURE FOR A LIFT ORDERED WITH AN ACCORDION SKIRT Position the platform in the raised position Install the maintenance locks see Lift Blocking Instructions section Position the accordion with the weight rod pocket at the bottom and the mounting collar at the top The breathable material when provided must be positioned at the top of the skirt with the mounting collar Slip the skirt over the end of the platform Turn the skirt as required to slide over the other end of the platform and leg assembly The skirt should be in position under the platform while enveloping the base assembly See Figure 19 and select the correct mounting configuration Number 1 2 or 3 Figure 1 Mounting an Accordion Skirt Onto the Platform Side Raise one side of the skirt along with skirt mounting bar 1 8 x 1 to 1 side of the platform When possible center the skirt mounting collar skirt mounting bar 1 8 x 1 on the platform side Align the pre drilled holes in the side of the platform with the skirt mounting bar holes and punch holes in the skirt mounting c
29. aoas 00109 14 21 204 PL OOL x 22 0809 1714 dNNS SS323H IM ANN 812 02 X SS323H mt HA 4 2 221 22 80909179 4207 7 m 86 21 86 86 96 96 0909114 551934 0909 1714 86 21 86 VEL 96X Z LL 080914 MOLOVMLNO9 om dAL BUND ed die IONS 114 Lid HLGIM 19 av 09 8 Figure 11 Pit Drawing 20 INSTALLATION INSTRUCTIONS Remote Power Unit Installation 1 5 The power unit is to be located in an area protected from the elements and should be installed prior to the lift to facilitate lift operation during installation into the pit The power unit can be wall mounted with the optional wall mount brackets The electrical work is to be done in accordance with local codes by a qualified electrician See the Maintenance section for the standard wiring diagram If permanent electrical work is not complete some means of temporary power with an on off device for the motor will be required Fill the reservoir with oil per instructions in the Maintenance section Lift Installation N CAUTION Precautions should be taken to prevent the introduction of contaminates such as
30. be installed prior to operating the lift Pit Dimensions 1 2 The pit in which the lift is installed is the responsibility of the contractor or owner The overall length and width should be 2 minimum longer and wider than the lift platform Depth should be the lowered height plus 1 2 Check the chase entrance into the pit The diameter should be 3 Figure 11 N DANGER Do not work under lift without Maintenance Device To avoid personal injury NEVER go under the lift platform until the load is removed and the scissors mechanism is securely blocked in the open position and the appropriate OSHA lock out tag out procedure is followed See Lift Blocking Instructions section 19 02 2 O 84 lt 2 lt lt lt 2002 dINDOLNY 1 INO9 dINDOLNV MMM 9286 18 888 8501 77051 MO SIMHLND JAV WVIMLSNANIKM 8901 4309 4 Q IDOgZ2IP 0 CL E L A3M 09 8 ON 310 0 1VSOdOtid TIVLIG G3GIS r 114 42 9330 z A TYM Lid EUo SI 40 34015 3SH3A3H 77 3775 M 1 77 38 OL STIVM 119 VIG _ H VA NI 00022 40 279 151534 2 27 2 ANNOS NI 38 OL SHOHONV 141140 G3NINYILIG
31. capacity and allows the oil to bypass into the reservoir to prevent damage to the lift and its hydraulic power unit The safety relief valve should not be adjusted for any reason as it could cause the motor to prematurely burn out Applying loads exceeding the rated capacity of the lift may result in excessive wear and damage to the lift This type of lift is designed primarily for dock applications and is typically furnished with constant pressure pushbutton controls Actuating the UP button will cause oil to enter the cylinders and the lift will rise When the desired height or upward travel of the platform is attained removing pressure from the switch deactivates the UP circuit button The oil stops flowing and the upward movement will stop To lower the lift activate the DOWN button Opening the down control valve allows the oil in the cylinders to flow through the down valve at a controlled rate and return oil to the reservoir When the desired height or downward travel of the platform is attained removing the operator s foot or hand from the switch deactivates the DOWN circuit The oil stops flowing from the cylinders and the downward movement will stop N CAUTION Whenever raising or lowering the lift personnel should maintain a safe operating distance of at least 36 to avoid personal injury CAUTION Do not operate the power unit on relief for more than a few seconds When on relief the valve will make an audible s
32. city fuse shows the direction of the restriction to the oil flow The arrow should always point away from the cylinder Do not use Teflon tape on the threaded connections of a velocity fuse Tape fragments can cause malfunctioning of the fuse Check all fitting connections for hydraulic leaks and tighten as necessary HOSE ORIENTATION To prevent damage to the cylinder hose and possible failure of lift it is necessary to establish a correct hose shape and pattern of movement as follows 1 2 Raise the lift to its full height and block securely See Lift Blocking Instructions Install one end of the new hose to the cylinder elbow fitting Since the hose is fixed at both ends it is possible to put a twist in the hose that will allow it to describe the same pattern each time the lift is operated This twist will allow the hose to travel about half way between the cylinder on the right side and the inner leg on the right side Lower the lift carefully and check to see that the hose is free and clear of the cylinder and the inner leg assembly not twist the hose in the direction necessary to clear it of any obstruction and then lock the swivel fitting securely 42 GENERAL SALT has been discovered that rock salt is being used to melt the ice and snow off of the platforms in the northern region and during the winter months Rock salt will accelerate the deterioration of any paint There
33. dirt or other foreign material into the system through open fittings pipes disassembled components Contamination will the hydraulic system Make temporary hose connections with high pressure hose see chart below to allow the lift to be operated when it is set in the pit Hydraulic Piping Hose Size Up to 25 feet 1 2 ID 26 feet to 50 feet ID Over 50 feet 1 ID Using 10 UNC eyebolts chain spreader place the lift into the pit as illustrated in Figure 12 Remove the shipping bolt and eye bolts from the lift CAUTION Failing to remove the shipping bolts before operation will cause permanent damage to the lift 21 INSTALLATION INSTRUCTIONS 1 2 FEMRLE FITTING 15 LIFTING CHRIN W SPRERDER PROVIDED ON CLEVIS END OF BRSE BRR BY INSTRLLER ASSEMBLY FOR CONNECTION OF 2 REMOVRBLE HRNDRRIL CONNECTING HOSE 42 HIGH W MIDRAIL AND 4 HIGH KICKPLRTE 2 3 4 10 UNC LIFTING EYES BY INSTALLER FIT IN TAPPED HOLES IN PLRTFORM PLRTFORM SUPPORT MEMBER TYP TEMPORRRY HYDRAULIC HOSE DO NOT PINCH OR CRUSH WHEN INSTALLING LIFT BASE FRAME IS PRE DRILLER WITH HOLES FOR LAGGING LIFT SECURELY TO PIT FLOOR TRENCH OPTIONAL Figure 12 Lifting and Installation 22 INSTALLATION INSTRUCTIONS Leveling to Grade 1 The platform top should be solid and flush with the pit curb angles The pit depth includes 1 2 added
34. ess for the remaining sides of the accordion skirt Install weight rods into the weight rod pockets at the bottom of the accordion skirt Install the spring tempered wire rods into the pocket of black convolutions 31 SEMBLY SEMBLY PLATE REF INSTALLATION INSTRUCTIONS 1 JNTING FIGURE RDIAN DRI KIRT OUNTING UNDERNEATH SKIRT REF ul 3 COMES gt G ea rige 5 m 22 e L 7 1 2 2 mA 5 29 mE m as JE OT i EE lt _ Dt EE SES d es 2 U E lt Da T 4 Z OT m 72 en 02 gt lt Es A eH 2 a lt SIR 5 gt E al Id 02 E SI E us SKIRT MOL Figure 19 Field Installation Diagram for Mounting Accordion Skirts 32 FIGU OPERATING INSTRUCTIONS N CAUTION Only trained and qualified personnel should operate this equipment 1 Scissors lifts have maximum lifting capacity ratings see Specifications section The safety relief valve has been factory set to open at a pressure slightly above the rated load
35. etaining Ring 1 2 heavy duty 45400249 N A 4 Retaining Ring 2 std N A 45400256 7 4 Washer 1 8 TK x 1 ID x 72 OD plastic 24094518 N A 6 Washer 1 8 TK x 2 ID x 3 OD MolyKote steel N A 24026213 8 4 Washer 5 16 STD steel 24050163 N A Washer 1 16 TK x 1 1 8 ID x 2 OD steel N A 24012353 9 2 Cap Screw 3 8 16 x 1 long 22031132 N A 4 Retaining Ring 1 1 8 N A 45400082 10 2 Pin Cylinder Clevis 1 1 8 x 7 long w 1 ring groove 52502440 N A Pin Cylinder Clevis 1 1 8 dia x 4 4 long w 2 ring grooves N A 52500196 11 4 Washer 1 16 TK x 1 1 8 ID x 2 OD plastic 24092306 24092306 12 4 Roller w Bushing TK x 1 1 8 ID x 3 OD 52601800 N A Roller w Bushing 1 TK x 1 ID x 5 OD N A 52600319 13 4 Washer 1 16 TK x 1 1 8 ID x 2 OD steel 24012353 N A 2 Washer 1 8 TK x 1 2 ID x 3 OD MolyKote steel N A 24024713 14 4 Pin Leg Roller 1 1 8 dia x 2 3 32 long w 1 ring groove 52502432 N A 2 Pin Outer Leg Roller 1 gt dia x 2 3 8 long w ring groove N A 52501491 15 4 Retaining Ring Leg Roller Pin 1 1 8 45400082 N A 2 Retaining Ring Leg Roller Pin 1 7 heavy duty N A 45400249 16 8 Retaining Ring Leg Clevis Pin N A 45400108 17 16 Washer 1 64 TK x 1 gt ID x 2 7 OD MolyKote steel N A 24004517 18 8 Washer 1 16 TK x 1 1 8 ID x 2 OD plastic 24092306 N A 19 2 Pin Inner Leg Roller 1 7 dia x 2 7 8 long N A 52501475 51
36. fore Autoquip recommends the use of a synthetic Ice Melt product in lieu of rock salt Warranty on the paint finish will be denied when it is suspected that rock has been used Please contact the Product Support Team at Autoquip at 1 888 811 9876 or 405 282 5200 N CAUTION Any lift which has a hinged throw over bridge damaged to the point of hanging more than 30 degrees below horizontal is in violation of the safety standards set forth in ANSI MH29 1 and MUST be taken out of service until the bridge is repaired or replaced Failure to do so could result in severe personal injury or permanent damage to the lift 43 10005 19 130 1 103113 1411 4085105 4 HOS GAH 0809199 227 aa LO LLJOL Ze OVOOLNY NI NMVHOSH 2380388 SI 99113 31 8 V 0018 TOYLVL13A OL TIVNSHSLENI SI 3E 13 NOILONS 33d 3614 ALIDOT3A 1 i aasn 1417 40 1300N idise NO S3snd ALIOOT3A Wal SHIANITAO dO ALILNYNO NOILONS SUIANITAO JOHLNOD MOTH 2 s lt gt 1 5 JIYNSSIYd gt SATA ES ANN lt gt dd NHnldH ST NS gt SATVA O3HO 3813 ALIOOT3A SANIT IYNSSIMd 3ATVA
37. formational decals and plates must be intact and in place on the lift Contact an Autoquip representative if labels are missing or damaged Clean Up 1 Clean up any spilled oil and debris from the area A clean installation makes a good impression and creates a much safer environment 2 Touch up paint is available by request from Autoquip for repair of damaged paint surfaces 24 INSTALLATION INSTRUCTIONS FLOOR INSTALLATION Floor installation procedures are the same as for pit installation instructions following considerations must be made for floor installation 1 The surface area where the lift will be set must be flat and level and be of sound concrete of sufficient thickness to support the lift while loaded at full capacity 2 In order to run hose to the lift cylinders from a remote power unit without having to route the hose under the base frame all 8 lowered height PLT models have been provided with the necessary fittings to do so Simply thread one end of the ship loose high pressure pipe nipple to the 1 2 NPT Tee located in the base frame and thread the ship loose high pressure hydraulic elbow fitting to the other end of the nipple and through the notched area of the platform bevel toe guards refer to Figures 13 and 14 The 1 2 NPT pipe plug may have to be relocated as shown Hydraulic lines must be protected or placed in a way that they are free from possible damage NOTE Use pipe dope at all connections
38. h could lead to serious injury or death N WARNING Do not operate this equipment without handrails and snap chains in place Under circumstances should the speed control orifice be removed from the Deltatrol to obtain faster lowering speed loaded lift can reach dangerous and destructive speed SAFETY PRACTICES N WARNING All warning and information decals should be in place as outlined in the Label Identification section decals are missing or damaged they should be replaced with new ones Contact an Autoquip representative for replacements N WARNING Lift platforms traveling below floor levels my create openings and the shape of the load and how the load is arranged on the lift may create a toe hazard as the load passes the top edge of the pit Both situations may require guarding in accordance with Federal Regulations such guarding must be installed prior to operating the lift N CAUTION Lifts should not be overloaded beyond the established capacity as damage and or personal injury may result CAUTION Only trained and qualified personnel should operate this equipment CAUTION Whenever raising or lowering the lift personnel should maintain a safe operating distance of at least 36 to avoid personal injury SAFETY PRACTICES N CAUTION Any lift which has a hinged throw over bridge damaged to the point of hanging more than 30 degrees below horizontal i
39. hydraulic system 35 GENERAL MAINTENANCE warnine Before maintaining lift read amp follow the recommended safety practices in the Safety Practices section Failure to follow these safety practices could result in death or serious injury 1 Change oil once a year or when it materially darkens or feels gritty Also check oil for the presence of water oil will turn milky in color 2 NEVER TRY TO DISASSEMBLE OR REPAIR A PUMP IN THE FIELD These pumps are high precision devices requiring extreme precision in fit up When one is damaged there is seldom anything that can be repaired in the field It is also more economical to replace a pump than to refit old parts with new parts 3 The pin or roller bushing should be replaced whenever excessive wear is detected The rollers are furnished with the pressed in bushing as a unit part N DANGER Do not work under lift without Maintenance Device To avoid personal injury NEVER go under the lift platform until the load is removed and the scissors mechanism is securely blocked in the open position and the appropriate OSHA lock out tag out procedure is followed See Lift Blocking Instructions section N DANGER Failure to relieve lift table system pressure could result in the sudden and unexpected release of pressure during maintenance and or repair of the lift and result in severe injury to personnel and or damage to the lift 36 GENERAL POWER U
40. lectric hydraulic or pneumatic lines damaged or malfunctioning controls or safety devices or any other indication of excessive wear or worn parts shall be removed from service until it is repaired to the original manufacturer s standards REPAIRS All repairs shall be made by qualified personnel in conformance with Autoquip s instructions and be made using only authorized Autoquip parts OPERATORS Only trained personnel and authorized personnel shall be permitted to operate the lift BEFORE OPERATION Before using the lift the operator shall have Read and or had explained and understood the manufacturers operating instructions and safety rules Inspected the lift for proper operation and condition Any suspect item shall be carefully examined and a determination made by a qualified person as to whether it constitutes a hazard All items not in conformance with Autoquip s specification shall be corrected before further use of the lift DURING OPERATION The lift shall only be used in accordance with Autoquip s O amp M manual Do not overload the lift Ensure that all safety devices are operational and in place MODIFICATIONS OR ALTERATIONS Modifications or alterations to industrial lifting equipment shall be made only with expressed written permission of Autoquip Unauthorized modifications or parts replacements with unauthorized or non specified parts could affect adversely affect the performance code compliance or
41. m until the load is removed and the scissors mechanism is securely blocked in the open position See Lift Blocking Instructions section AN DANGER To avoid personal injury stand clear of scissors leg mechanism while lift is motion AN DANGER Do not install the lift in a pit unless it has bevel toe guard or other approved toe protection A shear point can exist which can cause severe injury to the foot N DANGER HIGH VOLTAGE Disconnect and or lock out the electrical supply to the power unit per OSHA Lock Out Tag Out procedures prior to any maintenance being performed AN DANGERI Extending the platform length or width beyond the factory limit could cause the unit to tip which could result in personal injury or death 6 SAFETY PRACTICES DANGER Do not attempt to remove the velocity fuse until the maintenance leg securely supports the lift and all hydraulic pressure has been removed from the lifting cylinders and hydraulic hoses Failure to do so could results in personal injury or death N DANGER Failure to relieve lift table system pressure could result in the sudden and unexpected release of pressure during maintenance and or repair of the lift and result in severe injury to personnel and or damage to the lift WARNING Do not make modifications to the lift or add unauthorized or unspecified components to the lift Modifications to the lift can result in unsafe operating conditions whic
42. mp valves 37 GENERAL Because Autoquip Super Torque motors actually deliver substantially more horsepower than their nameplate rating they must always be wired for heavier current draw than standard motors of the same nameplate rating However because of the Super Torque motor s starting efficiency and superior running characteristics circuit components do not have to be as large as for standard motors of equal delivered horsepower The following chart should be referenced in connecting these motors to power sources remembering that heavy wire must be used all the way to the power source 5 HP 208 Volts 230 Volts 460 volts Full Load Amperages 15 8 AMPS 14 8 AMPS 7 4 AMPS CYLINDER REMOVAL AND REPACKING see figure 20 1 2 Raise the lift to its full height and block securely See Lift Blocking Instructions Loosen and remove the cylinder hose at the hose union in the tee connection between the two cylinders Place the open end of the hose in a container to receive oil spillage Remove the pin retaining screw in the cylinder clevis or pin retaining rings and carefully tap out the clevis pin to avoid damaging the clevis pin bushings Remove the cylinder from the lift N DANGER Failure to relieve lift table system pressure could result in the sudden and unexpected release of pressure during maintenance and or repair of the lift and result in severe injur
43. ollar Push a nylon drive rivet through each hole in the skirt mounting bar Hammer the aluminum pin into the rivet until flush with the rivet head Repeat mounting process for the remaining sides of the accordion skirt Figure 2 Mounting an Accordion Skirt Underneath the Platform Raise one side of the skirt along with skirt mounting bar 1 8 x 1 to the underside of the platform skirt support bar When possible center the skirt mounting collar and the skirt mounting bar 1 8 x 1 on the platform support bar Align the pre drilled holes in the skirt support bar picture frame with the skirt mounting bar holes and punch holes in the skirt mounting collar Push a nylon drive rivet through each hole in the skirt mounting bar Hammer the aluminum pin into the rivet until flush with the rivet head Repeat mounting process for the remaining sides of the accordion skirt Figure 3 Mounting an Accordion Skirt Onto the Bevel Toe Guard Raise one side of the skirt along with a skirt mounting bar 1 8 x 1 to the side of the bevel toe guard When possible center the skirt mounting collar and the skirt mounting bar 1 8 x1 on the platform bevel toe guard Align the pre drilled holes in the bevel toe guard with the skirt mounting bar holes and punch holes in the skirt mounting collar Push a nylon drive rivet through each hole in the skirt mounting bar Hammer the aluminum pin into the rivet until flush with the rivet head Repeat mounting proc
44. orage location then press the DOWN button on the controller to cycle the lift to the fully lowered position Hold the DOWN button 30 to 40 seconds to allow air the cylinders to bleed back into the reservoir tank Cycle the lift 10 to 15 times and repeat the bleeding operation by holding the DOWN button for 30 to 40 seconds Check the oil level in the reservoir with the lift in the fully lowered position Add as necessary see Routine Maintenance for oil recommendations Clean the oil filler breather cap if it appears dirty Clean up any debris and or spilled oil from the area 40 GENERAL WERR RING SERIE atc od 1 8 NPTF 1 4 NPTF PORT Fence p EN BREATHER RETAINER M EOLAING BERRING ASS Y PER HOLE PISTON AND 17 2 BERRING RSS Y ROD Figure 20 Hydraulic Cylinder 41 GENERAL VELOCITY FUSE REPLACEMENT Do not attempt to remove velocity fuse until the lift is securely supported with the maintenance locking devices and all hydraulic pressure has been removed from the lifting cylinders and hydraulic hoses Failure to follow these instructions could result in personal injury or death Never attempt to take a velocity fuse apart and repair it These are precision devices that are factory assembled under exacting conditions Velocity fuses should always be replaced 1 The arrow on the exterior surface of the velo
45. quealing sound 33 ROUTINE MAINTENANCE WARNING Before maintaining lift read amp follow the recommended safety practices in the Safety Practices section Failure to follow these safety practices could result in death or serious injury N DANGER Do not work under lift without Maintenance Device To avoid personal injury NEVER go under the lift platform until the load is removed and the scissors mechanism is securely blocked in the open position and the appropriate OSHA lock out tag out procedure is followed See Lift Blocking Instructions section Normally scissors lifts will require very little maintenance However a routine maintenance program could prevent costly replacement of parts and or downtime MONTHLY INSPECTION 1 Do not use worn damaged parts or equipment worn damaged parts should be replaced with authorized Autoguip parts only Check oil level see oil recommendations in this section and add appropriate oil when necessary Check for any visible leaks Correct as necessary Check any unusual noise when it occurs Determine the source and correct as necessary Check the snap rings at all rollers if not in place or secure replace or repair immediately Check all rollers for signs of wear Replace as necessary Do not grease roller or axles they have lifetime lubricated bearings Check all wiring for looseness or wear Repair at once Check for damage to all hinged throw ove
46. r bridges Any lift which has a bridge damaged to the point of hanging more than 30 degrees below horizontal is in violation of safety standards as set forth ANSI 29 1 and MUST be taken out of service until the bridge is repaired or replaced 34 ROUTINE MAINTENANCE OIL REQUIREMENTS Change oil yearly or more frequently if it darkens materially or feels gummy or gritty Use detergent motor oils only Do not use hydraulic jack oil hydraulic fluids brake fluids or automatic transmission fluid Viscosity Recommendations Environment Recommended Oil Ambient Temperatures Indoor location variable 10W30 or 10W40 temperatures 30 100 Multiviscosity motor oil Indoor location consistent SAE 20W motor oil Temperatures 70 Outdoor location 10 100 5W30 Multiviscosity motor oil Cold storage warehouse 5W30 Multiviscosity 10 40 F motor oil Freezer 40 F to 0 F Consult Factory OIL CAPACITY Reservoir capacity for the steel vertical tank is approximately 11 gallons The reservoir capacity for contractor polyethylene tank is approximately five gallons The oil level in the reservoir should be 1 to 1 72 below the top of the reservoir with the lift in the fully lowered position PIPE THREAD SEALANT Loctite PST 567 pipe thread sealant or equivalent is recommended Do not use Teflon tape Tape fragments can cause malfunctioning of the
47. s in violation of the safety standards set forth in ANSI MH29 1 and MUST be taken out of service until the bridge is repaired or replaced Failure to do so could result in severe personal injury or permanent damage to the lift CAUTION Never run the pump for more than a couple of seconds without pumping oil This applies to low oil conditions improper motor rotation running the pump against the relief pressure after the lift is fully raised against the physical stops running overloaded beyond capacity or running at reduced speed because of pinched or obstructed hydraulic lines CAUTION Do not continue to depress the UP button on the controller if the lift is not raising or if the lift has reached the fully raised position To do so may result in permanent damage to the motor or pump CAUTION Do not operate the power unit on relief for more than a few seconds When on relief the valve will make a squealing sound CAUTION Precautions should be taken to prevent the introduction of contaminates such as dirt or other foreign material into the system through open fittings pipes or disassembled components Contamination will ruin the hydraulic system CAUTION Use only approved oils in the lift See Specifications section LABEL IDENTIFICATION Figure 1 Label Placement PLT Qty Description Part No 1 2 Capacity 36401594 2 4 Danger Do Not Put Hands Or Feet 36430050M
48. t Single Cylinder for part 42400731 45503560 N A Universal Seal Kit Single Cylinder for part 42700831 N A 45503570 2 2 Hydraulic elbow 1 4 MP 1 4 MP 26100370 26100370 3 2 Velocity Fuse 41800558 41800558 4 1 Hydraulic Hose 1 4 x 3 8 x 25 14 w swivel one end only 46000490 N A Hydraulic Hose 1 4 x 18 long w swivel one end only N A 46000055 5 1 Hydraulic Hose 1 4 x 3 8 x 10 lg w swivel one end only 46000480 N A Hydraulic Hose 1 4 x 18 long w swivel one end only N A 46000055 6 2 Hex Reducer Bushing 3 8 to 1 4 N A 26300103 7 1 Hydraulic Tee 3 way 3 8 FP 26150102 26150102 8 1 Hydraulic Hose 3 8 x 72 long 46100550 46100087 9 1 No Longer Used 10 1 Pipe Tee 1 2 NPT 26150151 N A Reducer Coupling 1 2 to 3 8 N A 25380080 10A 1 Pipe Plug 1 2 NPT 25100306 N A 11 1 Hose Clamp Set 52200029 N A 12 1 Pipe Nipple 1 2 x 2 1 2 96 long platforms 25001480 N A Pipe Nipple 1 2 x 14 1 2 120 long platforms 25001490 N A 13 1 Pipe Elbow 1 2 NPT 26100206 N A BASE FRAME END ANGLE CLEVIS END Figure 31 Hydraulic Parts Detail 56 TROUBLESHOOTING ANALYSIS DANGER To avoid personal injury NEVER go under the lift platform until the load is removed and the scissors mechanism is securely blocked in the open position See Lift Blocking Instructions section PROBLEM POSSIBLE CAUSE AND SOLUTION Lift does not raise motor voltage wiring be incorrect
49. to 3200 PSI and continuous duty to 2500 PSI The safety relief valve in the pump assembly is factory set to stay within the parameters of the pump and lift requirements 15 BLOCKING INSTRUCTIONS N WARNING Only trained and qualified personnel should perform inspection or maintenance and service procedures DANGER Failure to adhere to lift blocking procedures is to risk the sudden and uncontrolled descent of the lift during maintenance or inspection A falling lift can cause severe injury or death This procedure describes the only factory approved method of working under a lift table Follow these instructions ANY time you plan to reach or work beneath the lift matter how momentary that might be If the factory provided maintenance device is damaged or missing stop immediately and consult the factory for assistance The manufacturer is not liable for your failure to use the approved maintenance devices and procedures that have been provided 1 All load must be removed from the lift prior to engaging the maintenance device These devices are designed to support an unloaded lift only Failure to remove the load from the lift prior to blocking could allow the lift to fall unexpectedly resulting in permanent damage to or failure of the maintenance device and or lift table 2 Raise the lift to its fully raised position If you do not the maintenance device may not be able to be placed properly
50. trical and or other power sources to prevent an unplanned or unexpected actuation of the lift 7 Once inspection or work is complete reverse steps 1 6 above to raise the lift off the maintenance devices and place the devices back into their designated storage positions HIGH VOLTAGE Disconnect and or lock out the electrical supply to the power unit per Lock Out Tag Out procedures prior to any installation or maintenance being performed 17 BLOCKING INSTRUCTIONS REMOVABLE HANDRAIL HIGH WITH MIDRAIL AND 4 HIGH KICKPLATE LAG BASE FRAME SECURELY TO FLOOR MUST BE IN SOUND CONCRETE TO RESIST WA ULL OF 2 000 LBS AT ERCH Figure 10 Maintenance Leg 18 INSTALLATION INSTRUCTIONS Z Before installing lift read amp follow the recommended safety practices in the Safety Practices section Failure to follow these safety practices could result in death or serious injury DANGER Do not install the lift in a pit unless it has a bevel toe guard or other approved toe protection A shear point can exist which can cause severe injury to the foot PIT INSTALLATION Lift platforms traveling below floor levels my create openings and the shape of the load and how the load is arranged on lift may create a toe hazard as the load passes the top edge of the pit Both situations may reduire guarding in accordance with Federal Regulations Any such guarding must
51. y to personnel and or damage to the lift 38 GENERAL 10 11 12 13 14 15 16 17 Push the piston rod into the tube to eject as much oil as possible into a container Pull the rod out of the cylinder tube sufficiently to gain access to the face spanner wrench holes on the rod end of the cylinder Do not allow oil or dirt to be pulled back into the hydraulic hose Using a face spanner wrench turn the bearing assembly clockwise until the tip of the retainer appears in the slot in the outer surface of the cylinder tube Insert a small blade screwdriver under the tip of the retainer and turn the bearing assembly counter clockwise until the retainer is free of the slot NOTE The wire retainer may be a cutting or puncturing hazard Pull the rod out of the tube slowly to remove the rod and bearing assembly NOTE Use caution to prevent surface damage to the rod This could result in seal failure and or leakage Inspect the bore of the tube Hone if necessary to remove any surface imperfections in the bore Flush thoroughly after honing to remove chips and grit Remove the piston lock nut and slide off the piston and bearing assembly Take care to protect the rod surface from damage Install new packing and seals on the piston rod and bearing assembly Inspect all grooves and seal surfaces for any imperfections and repair or replace as necessary Grease all seals and packing liberally and
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