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MANUAL LX 31/41 Electric Models Serial Numbers 3300 to current When contacting UpRight for service or parts information, be sure to include the MODEL and SERIAL NUMBERS from the equipment name- plate. Should the nameplate be missing, the SERIAL NUMBER is also stamped on top of the chassis above the front axle pivot.
Please understand that these warnings cannot cover Schematics all conceivable ways in which service, whether or not recommended by UpRight, Inc., might be done, or of Schematics and valve block diagram with the possible hazardous consequences of each con- description and location of components.
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ORWARD OTES LX31/41 Electric Work Platform...
1.3 P URPOSE QUIPMENT product as well as recommended maintenance schedules and troubleshooting. The objective of the LX31/41 Work Platform is to pro- vide a quickly deployable, self propelled, variable 1.2 G ENERAL ESCRIPTION height work platform to elevate personnel and materi-...
6 in. [152 mm] High 6 in. [152 mm] High NOTE: Specifications subject to change without notice. Hot weather or heavy use may reduce perfor- mance. Meets or exceeds all applicable requirements of OSHA and ANSI A92.6-1999. LX31/41 Electric Work Platform...
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EVER secure the work platform against unauthorized use by turning key switch off and removing key. FTER replace any component or part with anything other than original UpRight replacement parts without the manufacturer's con- EVER sent. California Proposition 65 Warning Gasoline and diesel engine exhaust and some of their constituents are known to the State of California to cause cancer, birth defects, and other reproductive harm.
Section & O ACHINE REPARATION PERATION 2.1 I System Function Inspection NTRODUCTION This manual covers the Electric model of the LX Series Work Platforms. This machine operates on a W A R N I N G 48 volt battery powered system. STAND CLEAR of the work platform while per- forming the following checks.
Section & O ACHINE REPARATION PERATION 11. Lower the platform partially by pushing in on the Interlock Lever chassis lower switch, and check operation of the Steering Switch audible lowering alarm. Speed Range Switch Control Lever 12. Open the chassis emergency lowering valve (Figure 2-4) to check for proper operation by pull- Emergency ing and holding the knob out.
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Section & O ACHINE REPARATION PERATION 2.3 O Raising and Lowering the Platform PERATION 1. Position the drive/lift switch to LIFT. Before operating work platform, ensure that the pre- operation and safety inspection has been completed, 2. While holding the control lever so the interlock any deficiencies have been corrected and the opera- lever is depressed, push the control lever slowly tor has been thoroughly trained on this machine.
Section & O ACHINE REPARATION PERATION 1. Turn Platform/Chassis/Brake Release switch to Emergency Lowering Brake Release position (Figure 2-5). Alarm will The emergency lowering knob is located at the front sound. of the machine at the base of the scissor assembly 2.
Section & O ACHINE REPARATION PERATION 2.4 P 2.6 R REPARATION FOR HIPMENT AISING THE LATFORM 1. Grease all the grease fittings (see Section 3). From the Platform Controls 2. Fully lower the platform. 1. Select platform at the Chassis/Platform Switch. 3.
LATFORM ESIGN EATURES From the Platform Controls The LX31/41 has the following features to insure safe operation: 1. Select platform at the Chassis/Platform Switch. 1. The Lift Valve will not energize unless the chassis 2. Pull the Control Handle backward.
ONTROLS AND NDICATORS Table 2-1. The operator shall know the location of The controls and indicators for operation of the LX31/ each control and indicator and have a thorough 41 Electric Work Platform are shown in Figure 2-6. knowledge of the function and operation of each The name and function of each control and indicator before attempting to operate the unit.
Section & O ACHINE REPARATION PERATION 2.10 2.10 F Erection Procedure UARDRAILS 1. Raise side guardrails making sure each is This procedure is only for passing through doorways. pushed down to secure the guardrail in the verti- Guardrails must be returned to proper position before cal position.
Section & O ACHINE REPARATION PERATION 2.10 Double Deck Fold Down Procedure Erection Procedure 1. Raise front guardrail making sure it is pushed down to secure the guardrail in the vertical posi- tion. Repeat for rear guardrail. 2. Raise side guardrails making sure each is pushed down to secure the guardrail in the verti- cal position, align holes and install bolts, washers and nuts.
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Section & O ACHINE REPARATION PERATION 2.10 OTES 2-12 LX13/41 Electric Work Platform...
Adapter Fittings arrows on chassis. • Small Deutsch Connector Field Kit : Rear of machine indicated by orange arrows on (UpRight P/N 030899-000) machine. • Large Deutsch Connector Field Kit (UpRight P/N 030898-000) • Inclinometer LX31/41 Electric Work Platform...
Deutsch connectors are designed so that connector parts, contacts or electrical cables may be replaced without replacing the entire connector. Figure 3-1: Deutsch Connector Kit, Small Figure 3-2: Deutsch Connector Kit, Large Figure 3-3: Plugs and Receptacles, Deutsch Connectors LX31/41 Electric Work Platform...
2. Use the removal tool (or flat bladed screwdriver) to push the Locking Fingers aside. This will release the grip on the contact. 3. Pull the wire and contact out of the connector. LX31/41 Electric Work Platform...
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W A R N I N G Before performing preventative maintenance, familiarize yourself with the operation of the machine. Always block the elevating assembly whenever it is necessary to enter the scissor assembly to perform maintenance while the platform is ele- vated. LX31/41 Electric Work Platform...
1. Using chassis controls, gradually raise platform until the scissors brace clears the two scissor center pivots. 2. Rotate scissors brace clockwise until the locking pin engages. Figure 3-6: Blocking Elevating Assembly 3. Push lower button to completely lower platform. LX31/41 Electric Work Platform...
Apply one or two drops of penetrating oil to each pivot and King Pin bearing Figure 3-7: Lubrication Chart Torque Hubs NOTE: Change oil in torque hubs after the first 50 hours of operation. Change every 2000 hours thereafter. LX31/41 Electric Work Platform...
7. Fill the hydraulic oil tank to the level of the sight gauge with ISO #46 hydraulic oil. 8. Insert the replacement filter element into the filter body and press into position. 9. Replace the filter body cover and screws. LX31/41 Electric Work Platform...
8. Lift Test Port clockwise until the gauge reads 1500 P.S.I. Figure 3-10: Valve Manifold (103,4 bar) 7. Tighten locknut or replace cap on Left Steering Relief Valve. 8. Repeat process for Right Steering Relief Valve. LX31/41 Electric Work Platform...
1. Adjust sensitivity threshold pot (located in upper control box) to obtain an equal threshold between forward and reverse directions (Figure 3-12). 2. Set Sevcon motor values. Drive adjustments are made through the motor control calibrator. 3-10 LX31/41 Electric Work Platform...
Lower the Plat- form and retest. When switches are aligned, alarm will not sound while platform is lowered. 4. With platform elevated, repeat step 2. When switches are properly adjusted, alarm will sound. LX31/41 Electric Work Platform 3-11...
O-rings seal against internal and external surfaces. 3. Wash and dry each component and check for thread damage, torn or cracked O-rings and proper operation. 4. Replace parts and O-rings found unserviceable. 3-12 LX31/41 Electric Work Platform...
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Section AINTENANCE 3.11 Figure 3-15: Hydraulic Manifold, Exploded View LX31/41 Electric Work Platform 3-13...
Brake 6. Operate the pump and check for leaks and proper Drive Motor operation. 7. Replenish hydraulic fluid if necessary. Pump Motors Brake Valve Block Figure 3-17: Rear Axle Assembly Figure 3-16: Hydraulic Power Unit 3-14 LX31/41 Electric Work Platform...
O-ring Gaskets 3. Reinstall cables to drive motor and hoses to the brake. Figure 3-18: Brake Assembly 4. Install the wheel. Torque the wheel nuts to 150 ft. lbs. LX31/41 Electric Work Platform 3-15...
3-26, and “Table 3-3:” on page 3-26. 1. Install motor using original hardware. Figure 3-19: Replacing Drive Motor Brushes 2. Connect electric cables to motor. 3. Connect Anderson connectors or negative termi- nals on batteries. 3-16 LX31/41 Electric Work Platform...
IMPORTANT: Note position of 90° fitting on torque hub body. Hub must be installed with fitting in same position. 1. Motor 4. Torque Hub 2. Gasket 5. 90° Fitting 3. Brake Figure 3-20: Torque Hub Assembly LX31/41 Electric Work Platform 3-17...
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15. Turn hub over on larger end. Using a punch and hammer, remove bearing cup from counterbore of hub. Be careful not to strike counterbore. NOTE: Carrier sub-assembly does not need to be disassembled to replace seals. 3-18 LX31/41 Electric Work Platform...
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Turn the shaft in both clock- wise and counter clockwise directions while hit- ting. This will seat the bearing cone against the spacer and retaining ring allowing necessary endplay in the hub-shaft sub-assembly. Figure 3-21: Measuring Hub End Play LX31/41 Electric Work Platform 3-19...
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17. Leak test the hub at 5 PSI (7 N-m) for two to three minutes. 8. Insert input gear, with large diameter end down, into mesh with planet gears. 3-20 LX31/41 Electric Work Platform...
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I. Shoulder Bolt N. Pipe Plug 8. Thrust Washer - SK91 (068570-011) 3. Bearing, Cup E. Spaces, Input J. Bolt 9. Bearing, Cup 4. Thrust Washer 10. Bearing, Cone 5. Retaining Ring Figure 3-22: Torque Hub LX31/41 Electric Work Platform 3-21...
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Pol- ishing is a sign of uneven loading. when this occurs, the surface should be checked for round- ness. Cylinders not round within .007” (0,18 mm) should be replaced. 3-22 LX31/41 Electric Work Platform...
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3. Wear Ring, 2 required 10. Rod Weldment 4. Retaining Ring 11. Tube Weldment 5. Head 12. Piston Seal 6. Backup Ring 13. Piston 7. O-ring 14. Wear Ring Seal Kit Number: 067633-010 Figure 3-23: Steering Cylinder Cross Section LX31/41 Electric Work Platform 3-23...
6. Backup Ring 15. Cast Iron Ring 7. O-ring 16. Wear Ring, 2 required 8. Rod Weldment 17. Piston 9. Tube Weldment 18. Piston Seal Seal Kit Number: 067635-010 Figure 3-24: Lift Cylinder Cross Section 3-24 LX31/41 Electric Work Platform...
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Section AINTENANCE 3.19 OTES LX31/41 Electric Work Platform 3-25...
Hydraulic Components Use the following values to torque fasteners used on Use the following values to torque hydraulic compo- UpRight Work Platforms unless a specific torque nents used on UpRight Work Platforms. value is called out for the part being installed.
Use the charts on the following pages to help deter- This section on troubleshooting provides guidelines mine the cause of a fault in your UpRight LX31/41. on the types of problems users may encounter in the field, helps determine the cause of problems, and 1.
Input 1 is dis- itself when the MOS90 cools down. played. This will be seen as "1.0P" until the switch Input voltage changes. "1.CL" will then be displayed. This is repeated for all the switch inputs. LX31/41 Electric Work Platform...
Adjustable from 1 to CSC Integral Gain Adjustable from 1 to Low Voltage Cutout Volts Adjustable from 25 Volts to 40 Volts Pump Acceleration Delay Seconds Adjustable from 1.0 to Pump Creep Adjustable from 0% to LX31/41 Electric Work Platform...
(and the coil replaced). - Flashes until fault is cleared Check power and control wiring for shorts Check for correct startup sequence. Was direc- tion or lift selected at power up? Rectify Retry Replace Controller LX31/41 Electric Work Platform...
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Check motor for armature to field shorts or leakage Check power and control wiring Rectify Rectify Check for open circuit motor Check for shorts to frame and battery leakage Rectify Rectify Replace controller Replace MOS90 Controller LX31/41 Electric Work Platform...
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Check power connections, fuses, etc. Rectify/replace Repair/replace Check pot operation with voltmeter for voltage at Check for battery leakage to frame minimum setting Rectify Adjust as necessary or replace Replace MOS90 Controller Replace MOS90 Controller 4-10 LX31/41 Electric Work Platform...
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Check output voltage from tachometer using Re-set voltmeter Check mounting and heatsink of controller Replace Rectify Check output voltage from tachometer board, using voltmeter Check application is correct Replace Use larger controller Replace MOS90 Controller Replace MOS90 Controller LX31/41 Electric Work Platform 4-11...
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- Recycle nuetral to clear fault Use calabrator test mode and check platform up switch and severe tilt switch inputs and wiring Rectify Rectify Check output voltage from tachometer using voltmeter Replace MOS90 Controller Replace Replace MOS90 Controller 4-12 LX31/41 Electric Work Platform...
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Recycle keyswitch. b) Contactor drive S/C. LED resets itself if short Replace MOS90 Controller circuit clears. c) Mosfets did not turn on. Recycle direction to neutral to clear fault indication. Replace controller LX31/41 Electric Work Platform 4-13...
Step on the foot switch and keep- Properly set the LX31/41 should start to move slowly ing the joystick centered, adjust the pot to give a with a small movement of the joystick after a very readout of 1 or 2.
The components that comprise the electrical and hydraulic systems are given a reference designation and are explained as to function and location in the following tables. LX31/41 Electric Work Platform...
Section C H E M A T I C S RES2 ALM1 SOL1 SOL2 SEN1 MOT4 RES1 MOT3 CONT SOL3 BAT1 ALM2 SOL5 SOL6 MOT1 SOL11 MOT2 SOL8 LX31/41 Electric Work Platform...
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Relay Panel Resistor, Drive Limit Current to Drive Enable RES2 Upper Controls Enable Light Light Joystick Interlock Enable Upper Control Functions Front of Joystick Switch Interlock Switch Enable Drive Upper Controls Interlock Switch Enable lift Upper Controls LX31/41 Electric Work Platform...
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Divert Excess Oil Main Valve Block Valve, Down - Hold Oil in Lift Cylinder Lift Cylinder when Deck is Elevated. - Release Oil from Lift Cylinder to Lower Deck - Has Cable Actuated Manual Override for Emergency Lowering LX31/41 Electric Work Platform...
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Section C H E M A T I C S CYL4 CYL3 ORF3 CYL1 CYL2 ORF2 Figure 5-3: Hydraulic Schematic - 067446-000 LX31/41 Electric Work Platform...
LLUSTRATED ARTS REAKDOWN Introduction This section lists and illustrates the replaceable assemblies and parts of this product, as manufactured by UpRight, Inc. Each parts list contains the component parts for that assembly. ONTENTS Final Assembly, LX31 Tire & Wheel Assembly, Rear, LX31/41 067430-000 .
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DIODE, 3 AMP, 400 VOLT 066490-000 SWITCH ROLLER 060214-099 WIRE, 16 AWG 15 CONN. 18FT 029447-099 CABLE 3 COND. 16 GA. 10 FT 029620-002 CONN. BUTT 16-14 029620-002 CONN. BUTT 16-14 GA. Final Assembly 067430-000 Drawing 1 of 2 LX31/41 Electric Work Platform...
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Section LLUSTRATED ARTS REAKDOWN Final Assembly 067430-000 Drawing 2 of 2 LX31/41 Electric Work Platform...
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067863-000 SWITCH MOUNT 067447-001 ELEC. SCHM. 015963-099 STRAP MATL. 067692-000 CLIP, CABLE RETAINER 015964-000 STRAP HEAD 020032-001 TEE, #4MJ-#4MJ-#4MJ 012865-099 WIRE LOOM 3/4 DIA 011252-006 SCRW, 1/4-20 X 3/4 011248-004 LOCKNUT, 1/4-20 UNC Final Assem- 067431-001 LX31/41 Electric Work Platform...
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Section LLUSTRATED ARTS REAKDOWN Final Assembly 067431-001 Drawing 2 of 2 LX31/41 Electric Work Platform...
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014996-005 WASHER 5/16 DIA 066189-000 SPACER 1/4 067853-001 066189-004 SPACER 1/8 011256-012 SCREW HHC 1/2-13 X 1 1/2 011256-028 SCREW HHC 1/2-13 X 3 1/2 014033-032 SCREW HHC 1/2-13 X 4 GR8 011248-008 NUT 1/2-13 ESNA LX31/41 Electric Work Platform...
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Section LLUSTRATED ARTS REAKDOWN Basic Assembly 067354-000 Drawing 1 of 1 LX31/41 Electric Work Platform...
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067853-000 014996-005 WASHER 5/16 DIA 066189-000 SPACER 1/4 067853-001 066189-004 SPACER 1/8 011256-012 SCREW HHC 1/2-13 X 1 1/2 011256-028 SCREW HHC 1/2-13 X 3 1/2 014033-032 SCREW HHC 1/2-13 X 4 011248-008 NUT 1/2-13 ESNA LX31/41 Electric Work Platform...
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Section LLUSTRATED ARTS REAKDOWN Basic Assembly 067355-000 Drawing 1 of 1 LX31/41 Electric Work Platform...
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SCREW HHC 5/8-11 X 3 1/2 011240-005 WASHER 5/16 STD FLAT 011247-008 NUT 1/2-20UNF HEX ESNA THIN 011239-008 WASHER ASTM 1/2 011256-024 SCREW HHC 1/2-13 X 3 *Not Shown 011848-050 PIN CLEVIS 1 X 2 3/4 6-10 LX31/41 Electric Work Platform...
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Section LLUSTRATED ARTS REAKDOWN Chassis Assembly 067358-000 Drawing 1 of 1 LX31/41 Electric Work Platform 6-11...
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Section LLUSTRATED ARTS REAKDOWN Scissor Linkage Assembly, LX31 067422-001 ITEM PART DESCRIPTION QTY. 067550-001 ARM WELDMENT 067551-001 ARM WELDMENT 067552-000 ARM WELDMENT 067593-000 ARM WELDMENT 067828-001 ARM WELDMENT 067830-000 ARM WELDMENT 067832-000 ARM WELDMENT 011786-017 MACHINERY BUSHING, 2” ID X 14 GA.
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Section LLUSTRATED ARTS REAKDOWN Scissor Linkage Assembly 067422-001 Drawing 1 of 1 LX31/41 Electric Work Platform 6-13...
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063925-004 DOWN VALVE 003570-001 RETAINING PIN ASSY 065754-004 CABLE ASSY 067877-000 COUPLER 015919-003 ORIFICE PLATE 005133-000 SPRING 011786-017 MACHINERY BUSHING, 2” ID X 14 GA. 011757-028 COTTER PIN 3/8 DIA X 3 1/2 *Not Shown 6-14 LX31/41 Electric Work Platform...
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Section LLUSTRATED ARTS REAKDOWN Scissor Linkage Assembly 067423-001 Drawing 1 of 1 LX31/41 Electric Work Platform 6-15...
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Section LLUSTRATED ARTS REAKDOWN Power Module Assembly, LX31/41 Electric 067359-001 ITEM PART DESCRIPTION QTY. ITEM PART DESCRIPTION QTY. 068712-002 BRACKET 067809-001 HINGE, 2 X 71 066516-004 PLUG 4” 067811-001 POWER MODULE WELDMENT 010150-005 FITTING BULKHEAD 067800-002 MODULE DOOR, R.H. 011979-008...
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Section LLUSTRATED ARTS REAKDOWN Power Module Assembly 067359-001 Drawing 1 of 1 LX31/41 Electric Work Platform 6-17...
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Section LLUSTRATED ARTS REAKDOWN Control Module Assembly, LX31/41 067360-001 ITEM PART DESCRIPTION ITEM PART DESCRIPTION 067366-000 BATTERY CHARGER BRACKET 067810-001 CONTROL MODULE WELDMENT 067368-000 RELAY COVER 067362-001 CONTROL BOX ASSY BI ENERGY DOM 011252-012 SCREW HHC 1/4-20UNC X 1 1/2...
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Section LLUSTRATED ARTS REAKDOWN Control Module Assembly 067360-001 Drawing 2 of 3 LX31/41 Electric Work Platform 6-19...
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Section LLUSTRATED ARTS REAKDOWN Control Module Assembly 067360-001 Drawing 3 of 3 6-20 LX31/41 Electric Work Platform...
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Section LLUSTRATED ARTS REAKDOWN Control Cable Assembly, LX31/41 067536-000 ITEM PART DESCRIPTION QTY. 067645-099 CABLE, 16/6, 18/12 MULTICONDUCTOR FT 62 029601-013 CONN RING TERM 16-14 GA #10 063956-002 PIN, CONTACT MALE 20-14 GA 029610-002 CONN FORK TERM 16-14 GA #8...
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