Jlg 3248RS/10RS Service Manual Instrukcja Użytkownika

Service & Maintenance ManualModels1932RS/6RS3248RS/10RS3121273April 8, 2013

vi – JLG Lift – 3121273TABLE OF CONTENTS 3-48. Platform Control Station Components - External . . . . . . . . . . . . . . . . . . . .

SECTION 5 - JLG CONTROL SYSTEM5-4 – JLG Lift– 3121273Adjusting Parameters Using the Hand Held AnalyzerOnce you have gained access to level 1, and a pe

SECTION 5 - JLG CONTROL SYSTEM3121273 – JLG Lift – 5-5Joystick CalibrationThe joystick calibration should be completed if the joystickis replaced. To

SECTION 5 - JLG CONTROL SYSTEM5-6 – JLG Lift– 3121273Figure 5-3. Analyzer Menu - Access LevelJLG Analyzer Diagnosc InterfaceCALIBRATIONSEMULATION MOD

SECTION 5 - JLG CONTROL SYSTEM3121273 – JLG Lift – 5-7Figure 5-4. Analyzer Menu - DiagnosticsJLG Analyzer Diagnosc InterfaceMACHINE SETUPPERSONALITIE

SECTION 5 - JLG CONTROL SYSTEM5-8 – JLG Lift– 3121273Figure 5-5. Analyzer Menu - System TestJLG Analyzer Diagnosc InterfacePERSONSYSTEM TESTACCESS LE

SECTION 5 - JLG CONTROL SYSTEM3121273 – JLG Lift – 5-9Figure 5-6. Analyzer Menu - PersonalitiesJLG Analyzer Diagnosc InterfaceCALIBRATIONSEMMMACHINE

SECTION 5 - JLG CONTROL SYSTEM5-10 – JLG Lift– 3121273Figure 5-7. Analyzer Menu - Machine SetupJLG Analyzer Diagnosc InterfaceCALIBRATIONSEMULATION M

SECTION 5 - JLG CONTROL SYSTEM3121273 – JLG Lift – 5-11Figure 5-8. Analyzer Menu - CalibrationsJLG Analyzer Diagnosc InterfaceCALIBRATIONSMACHINE SE

SECTION 5 - JLG CONTROL SYSTEM5-12 – JLG Lift– 3121273Figure 5-9. Analyzer Menu - Emulation ModeJLG Analyzer Diagnosc InterfaceCALIBRATIONSEMULATION

SECTION 5 - JLG CONTROL SYSTEM3121273 – JLG Lift – 5-135.2 MACHINE MODEL ADJUSTMENT NOTE: These settings may change in order to achieve optimal perfo

3121273 – JLG Lift – vii TABLE OF CONTENTSLIST OF TABLESTABLE NO. TITLE PAGE NO.1-1 Operating Specifications . . . . . . . . . . .

SECTION 5 - JLG CONTROL SYSTEM5-14 – JLG Lift– 31212735.3 MACHINE CONFIGURATION PROGRAMMING INFORMATIONNOTE: 1. When configuring an RS scissors machin

SECTION 6 - DIAGNOSTIC TROUBLE CODES3121273 – JLG Lift – 6-1SECTION 6. DIAGNOSTIC TROUBLE CODES6.1 INTRODUCTIONThis section provides a reference for

SECTION 6 - DIAGNOSTIC TROUBLE CODES6-2 – JLG Lift – 31212736.4 DTC INDEX0-0 Help Comments . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 6 - DIAGNOSTIC TROUBLE CODES3121273 – JLG Lift – 6-3335 LIFT DOWN VALVE - SHORT TO BATTERY. . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 6 - DIAGNOSTIC TROUBLE CODES6-4 – JLG Lift – 31212738-2 LSS - Load Sensing System (See 3124288 - LSS Manual) . . . . . . . . . . . . . . . .

SECTION 6 - DIAGNOSTIC TROUBLE CODES3121273 – JLG Lift – 6-56.5 DTC CHECK TABLES0-0 Help CommentsDTC FAULT MESSAGE DESCRIPTION CHECK001 EVERYTHING OK

SECTION 6 - DIAGNOSTIC TROUBLE CODES6-6 – JLG Lift – 3121273223 FUNCTION PROBLEM - DRIVE & LIFT ACTIVE TOGETHERThe Drive - Lift Selector Switch in

SECTION 6 - DIAGNOSTIC TROUBLE CODES3121273 – JLG Lift – 6-72-3 Ground ControlsDTC FAULT MESSAGE DESCRIPTION CHECK231 FUNCTION PROBLEM - LIFT PERMANEN

SECTION 6 - DIAGNOSTIC TROUBLE CODES6-8 – JLG Lift – 3121273255 PLATFORM OVERLOADED The load sensing system measured platform load is excessive.• Remo

SECTION 6 - DIAGNOSTIC TROUBLE CODES3121273 – JLG Lift – 6-93-2 Line Contactor Short CircuitDTC FAULT MESSAGE DESCRIPTION CHECK321 LINE CONTACTOR MISW

viii – JLG Lift – 3121273TABLE OF CONTENTS NOTES:

SECTION 6 - DIAGNOSTIC TROUBLE CODES6-10 – JLG Lift – 3121273336 LIFT DOWN VALVE - OPEN CIRCUITThe power module did not detect cur-rent flow to the li

SECTION 6 - DIAGNOSTIC TROUBLE CODES3121273 – JLG Lift – 6-113314 LEFT BRAKE - OPEN CIRCUIT Current flow to the Left Brake Solenoid was not detected (

SECTION 6 - DIAGNOSTIC TROUBLE CODES6-12 – JLG Lift – 31212734-2 Thermal Limit (SOA)DTC FAULT MESSAGE DESCRIPTION CHECK421 POWER MODULE TOO HOT - PLEA

SECTION 6 - DIAGNOSTIC TROUBLE CODES3121273 – JLG Lift – 6-134422 LOGIC SUPPLY VOLTAGE OUT OF RANGEThe system module logic supply volt-age was measure

SECTION 6 - DIAGNOSTIC TROUBLE CODES6-14 – JLG Lift – 3121273 779 TRACTION T LOW - CHECK POWER CIRCUITSWhile driving, the voltage measured at the Syst

SECTION 6 - DIAGNOSTIC TROUBLE CODES3121273 – JLG Lift – 6-15 825 LSS HAS NOT BEEN CALI-BRATEDThe Load Sensing System has never been calibrated an

SECTION 6 - DIAGNOSTIC TROUBLE CODES6-16 – JLG Lift – 31212739958 POWER MODULE FAILURE - INTERNAL ERROR• Cycle machine, if error still exists, replace

SECTION 7 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS3121273 – JLG Lift – 7-1SECTION 7. GENERAL ELECTRICAL INFORMATION & SCHEMATICS7.1 GENE

SECTION 7 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS7-2 – JLG Lift – 3121273 Voltage Measurement Resistance MeasurementFigure 7-1. Voltage M

SECTION 7 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS3121273 – JLG Lift – 7-3 Continuity Measurement Current MeasurementFigure 7-3. Continuity

SECTION 1 - SPECIFICATIONS3121273 – JLG Lift – 1-1SECTION 1. SPECIFICATIONS1.1 SPECIFICATIONSPlatform CapacitiesTable 1-1. Operating SpecificationsD

SECTION 7 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS7-4 – JLG Lift – 3121273Continuity Measurement Over Long DistancesWhen trying to determine

SECTION 7 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS3121273 – JLG Lift – 7-57.3 APPLYING SILICONE DIELECTRIC COMPOUND TO AMP CONNECTORSSilicone

SECTION 7 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS7-6 – JLG Lift – 3121273AssemblyCheck to be sure the wedge lock is in the open, or as-shipp

SECTION 7 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS3121273 – JLG Lift – 7-7Figure 7-8. Connector Assembly (3 of 4)Figure 7-9. Connector Asse

SECTION 7 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS7-8 – JLG Lift – 3121273Figure 7-10. Connector DisassemblyNOTE: The wedge lock should neve

SECTION 7 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS3121273 – JLG Lift – 7-9Service - Voltage ReadingCAUTIONDO NOT PIERCE WIRE INSULATION TO TA

SECTION 7 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS7-10 – JLG Lift – 31212737.4 WORKING WITH DEUTSCH CONNECTORSDT/DTP Series AssemblyFigure 7-

SECTION 7 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS3121273 – JLG Lift – 7-1110. Push contact straight into connector grommet until a positive

SECTION 7 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS7-12 – JLG Lift – 31212737.5 SWITCHESBasic checkThe following check determines if the switc

SECTION 7 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS3121273 – JLG Lift – 7-13Automatic SwitchesIf the switch is actuated automatically, by temp

SECTION 1 - SPECIFICATIONS1-2 – JLG Lift – 3121273Dimensional DataTiresBatteriesNOTICEJLG MACHINES EQUIPPED WITH DELTA Q BATTERY CHARGERSARE DESIGNED

SECTION 7 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS7-14 – JLG Lift – 31212737.6 CIRCUIT BOARDS: INPUTS AND OUTPUTSTable 7-1. Power Module -

SECTION 7 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS3121273 – JLG Lift – 7-15Table 7-2. Power Module - J2 Connector Pin FunctionPin Function

SECTION 7 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS7-16 – JLG Lift – 31212737.7 ELECTRICAL SCHEMATICS AND LAYOUTSElectrical Schematic - 187016

SECTION 7 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS3121273 – JLG Lift – 7-17Electrical Schematic - 1870164G - Sheet 2 of 2Figure 7-18. Electri

SECTION 7 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS7-18 – JLG Lift – 3121273 Electrical Schematic - 1870205B - Sheet 1 of 2Figure 7-18. Elect

SECTION 7 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS3121273 – JLG Lift – 7-19Electrical Schematic - 1870205B - Sheet 2 of 2Figure 7-18. Electri

SECTION 7 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS7-20 – JLG Lift – 3121273Figure 7-19. Electrical Components Layout - Sheet 1 of 2GROUNDCON

SECTION 7 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS3121273 – JLG Lift – 7-21Figure 7-19. Electrical Layout - Sheet 2 of 2ALARMBEACONLIGHT(REAR

SECTION 7 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS7-22 – JLG Lift – 31212737.8 HYDRAULIC SCHEMATICHydraulic Schematic - 2792599CFigure 7-20.

CALIFORNIAN PROPOSITION 65BATTERY WARNINGBattery posts,terminals and relatedaccessories containlead and lead compounds,chemical known to theState of C

SECTION 1 - SPECIFICATIONS3121273 – JLG Lift – 1-3Electrical System Motors•Drive MotorType: Shunt Wound, Sepex 24V DCPower: 0.65 Horsepower @ 3750 r

Corporate OfficeJLG Industries, Inc.1 JLG DriveMcConnellsburg PA. 17233-9533USA (717) 485-5161 (717) 485-6417JLG Worldwide LocationsJLG Industries (

SECTION 1 - SPECIFICATIONS1-4 – JLG Lift – 31212731.2 CRITICAL STABILITY WEIGHTSDO NOT REPLACE ITEMS CRITICAL TO STABILITY, SUCH AS BAT-TERIES OR SOLI

SECTION 1 - SPECIFICATIONS3121273 – JLG Lift – 1-5level and above stowed depending on model and specifica-tions. High Drive Speed CutoutHigh drive spe

SECTION 1 - SPECIFICATIONS1-6 – JLG Lift – 3121273Torque ChartsFigure 1-1. Torque Chart (SAE Fasteners - Sheet 1 of 7)REFERENCE JLG ANEROBIC THREAD L

SECTION 1 - SPECIFICATIONS3121273 – JLG Lift – 1-7Figure 1-2. Torque Chart (SAE Fasteners - Sheet 2 of 7))Size TPI Bolt DiaTensile Stress AreaClamp L

SECTION 1 - SPECIFICATIONS1-8 – JLG Lift – 3121273Figure 1-3. Torque Chart (SAE Fasteners - Sheet 3 of 7)Size TPI Bolt DiaTensile Stress AreaClamp Lo

SECTION 1 - SPECIFICATIONS3121273 – JLG Lift – 1-9Figure 1-4. Torque Chart (SAE Fasteners - Sheet 4 of 7)Size TPI Bolt DiaTensile Stress AreaClamp Lo

SECTION 1 - SPECIFICATIONS1-10 – JLG Lift – 3121273Figure 1-5. Torque Chart (METRIC Fasteners - Sheet 5 of 7))Size PITCHTensile Stress AreaClamp Load

SECTION 1 - SPECIFICATIONS3121273 – JLG Lift – 1-11 Figure 1-6. Torque Chart (METRIC Fasteners - Sheet 6 of 7)Size PITCHTensile Stress AreaClamp Load

SECTION 1 - SPECIFICATIONS1-12 – JLG Lift – 3121273Figure 1-7. Torque Chart (METRIC Fasteners - Sheet 7 of 7)Size PITCHTensile Stress AreaClamp Load

SECTION 2 - GENERAL3121273 – JLG Lift – 2-1SECTION 2. GENERAL2.1 MACHINE PREPARATION, INSPECTION, AND MAINTENANCEGeneralThis section provides the nec

SECTION 2 - GENERAL2-2 – JLG Lift – 31212732.2 PREVENTIVE MAINTENANCE AND INSPECTION SCHEDULEThe preventive maintenance and inspection checks areliste

SECTION 2 - GENERAL3121273 – JLG Lift – 2-3Table 2-2. Preventive Maintenance & Inspection Schedule. AREA ON MACHINEINTERVALPRE-DELIVERY (a)OR FREQ

SECTION 2 - GENERAL2-4 – JLG Lift – 3121273GENERALOperation & Safety Manual in Storage Box 21 21ANSI & EMI Handbooks in Storage Box (ANSI ON

SECTION 2 - GENERAL3121273 – JLG Lift – 2-52.3 SERVICE AND GUIDELINESGeneralThe following information is provided to assist you in theuse and applicat

INTRODUCTION - MAINTENANCE SAFETY PRECAUTIONS3121273 – JLG Lift – aSECTION A. INTRODUCTION - MAINTENANCE SAFETY PRECAUTIONSA. GENERALThis section con

SECTION 2 - GENERAL2-6 – JLG Lift – 3121273heat-treated bolts, studs, and steel nuts, in accor-dance with recommended shop practices. (SeeTorque Chart

SECTION 2 - GENERAL3121273 – JLG Lift – 2-7Changing Hydraulic Oil1. Use of any of the recommended crankcase orhydraulic oils eliminates the need for c

SECTION 2 - GENERAL2-8 – JLG Lift – 31212732.6 PINS AND COMPOSITE BEARING REPAIR GUIDELINESFilament wound bearings.1. Pinned joints should be disassem

SECTION 3 - CHASSIS & SCISSOR ARMS3121273 – JLG Lift – 3-1SECTION 3. CHASSIS & SCISSOR ARMS3.1 MACHINE COMPONENT COVERSFigure 3-1. Machine F

SECTION 3 - CHASSIS & SCISSOR ARMS3-2 – JLG Lift – 31212733.2 BATTERY REMOVAL/MAINTENANCENOTICEJLG MACHINES EQUIPPED WITH DELTA Q BATTERY CHARGERS

SECTION 3 - CHASSIS & SCISSOR ARMS3121273 – JLG Lift – 3-33.3 BATTERY CHARGERThe Battery Charger is located at the rear of the machineunder the re

SECTION 3 - CHASSIS & SCISSOR ARMS3-4 – JLG Lift – 31212733.4 BATTERY CHARGINGNOTE: Be sure that machine is parked in a well ventilatedarea before

SECTION 3 - CHASSIS & SCISSOR ARMS3121273 – JLG Lift – 3-5Battery Charger MaintenanceUSE CHARGER ONLY ON BATTERY SYSTEMS WITH AN ALGO-RITHM SELECT

SECTION 3 - CHASSIS & SCISSOR ARMS3-6 – JLG Lift – 31212734. If this problem does not clear after the battery volt-age is confirmed to be higher t

SECTION 3 - CHASSIS & SCISSOR ARMS3121273 – JLG Lift – 3-7Excessive Battery Watering Requirements orStrong Sulphur (Rotten Egg) SmellThese symptom

INTRODUCTION - MAINTENANCE SAFETY PRECAUTIONSb – JLG Lift – 3121273REVISION LOGOriginal Issue - January 30, 2012Manual Revised - August 1, 2012Manual

SECTION 3 - CHASSIS & SCISSOR ARMS3-8 – JLG Lift – 3121273Inverter OperationDANGERDANGER OF SHOCK OR ELECTROCUTION - TREAT INVERTEROUTPUT THE SAME

SECTION 3 - CHASSIS & SCISSOR ARMS3121273 – JLG Lift – 3-93.6 GROUND CONTROL STATIONNOTICEDISCONNECT MAIN POWER FROM THE BATTERIES BEFOREATTEMPTIN

SECTION 3 - CHASSIS & SCISSOR ARMS3-10 – JLG Lift – 31212733.7 MAIN POWER CONTACTOR RELAYThe main power relay is located under the rear cover next

SECTION 3 - CHASSIS & SCISSOR ARMS3121273 – JLG Lift – 3-11Switch AdjustmentModels - 1932RS/6RS (See Figure 3-12. and Figure 3-13.)1. With the rol

SECTION 3 - CHASSIS & SCISSOR ARMS3-12 – JLG Lift – 31212733.9 LSS - SCISSOR ARM ANGLE SENSOR - LOCATIONRS Scissor machines equipped with the Load

SECTION 3 - CHASSIS & SCISSOR ARMS3121273 – JLG Lift – 3-13Tilt Sensor Removal1. Disconnect power at the batteries.2. Remove the machine left side

SECTION 3 - CHASSIS & SCISSOR ARMS3-14 – JLG Lift – 31212733.11 TRACTION SYSTEMTheory of OperationThe armatures (rotating windings) of the separat

SECTION 3 - CHASSIS & SCISSOR ARMS3121273 – JLG Lift – 3-15Common Traction System Difficulties1. Ground Module InterlocksThere are a variety of in

SECTION 3 - CHASSIS & SCISSOR ARMS3-16 – JLG Lift – 31212733.12 POWER CONTROL MODULE - ZAPIThe power module is located inside rear machine coverat

SECTION 3 - CHASSIS & SCISSOR ARMS3121273 – JLG Lift – 3-17Figure 3-21. Main Electrical Power Connections - (1001129845 - ZAPI Power Module)1. Ba

3121273 – JLG Lift – i TABLE OF CONTENTSTABLE OF CONTENTSSUBJECT - SECTION, PARAGRAPH PAGE NO.SECTION A - INTRODUCTION - MAINTENAN

SECTION 3 - CHASSIS & SCISSOR ARMS3-18 – JLG Lift – 3121273ZAPI Power Module Electrical EvaluationINTEGRATED HEALTH INDICATORThe ZAPI Power Module

SECTION 3 - CHASSIS & SCISSOR ARMS3121273 – JLG Lift – 3-193.13 DRIVE MOTOR SERVICINGThe drive motors are located at the rear of the machine,insid

SECTION 3 - CHASSIS & SCISSOR ARMS3-20 – JLG Lift – 3121273Brake - Manual Disengage ProcedureNOTE: The brakes may also be disengaged electricallyu

SECTION 3 - CHASSIS & SCISSOR ARMS3121273 – JLG Lift – 3-21Drive Motor RemovalNOTICEDISCONNECT ALL POWER BY REMOVING THE POSITIVE (+) BAT-TERY CAB

SECTION 3 - CHASSIS & SCISSOR ARMS3-22 – JLG Lift – 3121273Drive Motor Disassembly NOTE: Refer to Figure 3-24.1. Remove the two Cover Plate Mounti

SECTION 3 - CHASSIS & SCISSOR ARMS3121273 – JLG Lift – 3-23ture (2) will be attached to the commutator endhead.9. Pull back the Brush Springs (4)

SECTION 3 - CHASSIS & SCISSOR ARMS3-24 – JLG Lift – 31212738. Remove manual release screws from brake assem-bly. Apply new Gasket (12) and affix b

SECTION 3 - CHASSIS & SCISSOR ARMS3121273 – JLG Lift – 3-25Drive Motor Installation1. Insert the drive motor into the back of the gearbox.The driv

SECTION 3 - CHASSIS & SCISSOR ARMS3-26 – JLG Lift – 31212733.14 TORQUE HUB SERVICINGNOTICETHE PROCEDURES WITHIN THIS SECTION APPLY TO ALLMACHINES

SECTION 3 - CHASSIS & SCISSOR ARMS3121273 – JLG Lift – 3-27Main Gearbox Disassembly1. Using a screwdriver, pry off the cover snap ring.2. Remove c

ii – JLG Lift – 3121273TABLE OF CONTENTS Changing Hydraulic Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 3 - CHASSIS & SCISSOR ARMS3-28 – JLG Lift – 3121273Input Carrier Disassembly1. Remove retaining rings from each of the 3 planetshafts.NOTE

SECTION 3 - CHASSIS & SCISSOR ARMS3121273 – JLG Lift – 3-29Hub Disassembly1. Remove main wheel bearing.NOTE: This part is held in the hub with a p

SECTION 3 - CHASSIS & SCISSOR ARMS3-30 – JLG Lift – 3121273Spindle Disassembly1. Place unit on bench with planet gears facing up.2. Remove 3 outpu

SECTION 3 - CHASSIS & SCISSOR ARMS3121273 – JLG Lift – 3-31Tightening and Torquing BoltsIf an air impact wrench is used to tighten bolts, extremec

SECTION 3 - CHASSIS & SCISSOR ARMS3-32 – JLG Lift – 3121273Spindle Assembly1. Using the appropriate pressing tool, press on mainbearing until it i

SECTION 3 - CHASSIS & SCISSOR ARMS3121273 – JLG Lift – 3-33Hub Assembly1. Put hub on a table with the tapped holes facingdown.2. Using a flat plat

SECTION 3 - CHASSIS & SCISSOR ARMS3-34 – JLG Lift – 3121273Input Carrier Assembly1. Press 3 input planet shafts into the 3 holes of theinput carri

SECTION 3 - CHASSIS & SCISSOR ARMS3121273 – JLG Lift – 3-35Main Gearbox Assembly1. Inspect seal surface of spindle. Remove any debristhat may be p

SECTION 3 - CHASSIS & SCISSOR ARMS3-36 – JLG Lift – 31212738. Install the input sun gear into the area between the 3input planet gears.9. Apply a

SECTION 3 - CHASSIS & SCISSOR ARMS3121273 – JLG Lift – 3-37NOTES:

3121273 – JLG Lift – iii TABLE OF CONTENTSInput Carrier Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 3 - CHASSIS & SCISSOR ARMS3-38 – JLG Lift – 31212733.15 STEER ASSEMBLY COMPONENTSFigure 3-39. 1932RS/6RS - Steer AssemblyNOTE: Coat all p

SECTION 3 - CHASSIS & SCISSOR ARMS3121273 – JLG Lift – 3-39Figure 3-40. 3248RS/10RS - Steer AssemblyNOTE: Coat all pins with a light coat of moly

SECTION 3 - CHASSIS & SCISSOR ARMS3-40 – JLG Lift – 31212733.16 ARMS AND PLATFORM POSITIONING AND SUPPORTNEVER WORK UNDER N ELEVATED PLATFORM UNTI

SECTION 3 - CHASSIS & SCISSOR ARMS3121273 – JLG Lift – 3-41 Figure 3-41. Arms and Platform Positioning and Support

SECTION 3 - CHASSIS & SCISSOR ARMS3-42 – JLG Lift – 3121273Figure 3-42. 1932RS/6RS - Scissor Arm Assembly - Ref. Figure 3-43.ABIFCHCCEEDG

SECTION 3 - CHASSIS & SCISSOR ARMS3121273 – JLG Lift – 3-43Figure 3-43. 1932RS/6RS - Scissor Arm Assembly - Pin ConfigurationAADFGCBEIH

SECTION 3 - CHASSIS & SCISSOR ARMS3-44 – JLG Lift – 3121273Figure 3-44. 3248RS/10RS - Scissor Arm Assembly - Ref. Figure 3-45.ACDEEEEFFEEEHJEEELE

SECTION 3 - CHASSIS & SCISSOR ARMS3121273 – JLG Lift – 3-45Figure 3-45. 3248RS/10RS - Scissor Arm Assembly - Pin ConfigurationAGEFHLJ

SECTION 3 - CHASSIS & SCISSOR ARMS3-46 – JLG Lift – 31212733.19 PLATFORM CONTROL STATIONNOTICEPOWER MACHINE DOWN AT THE GROUND CONTROL STATIONBEFO

SECTION 3 - CHASSIS & SCISSOR ARMS3121273 – JLG Lift – 3-47Overview of Control Station ComponentsFigure 3-48. Platform Control Station Components

iv – JLG Lift – 3121273TABLE OF CONTENTS SECTION 6 - DIAGNOSTIC TROUBLE CODES6.1 Introduction . . . . . . . . . . . . . . . . . . . .

SECTION 3 - CHASSIS & SCISSOR ARMS3-48 – JLG Lift – 3121273Joystick Controller NOTE: For joystick calibration procedure see Joystick Cali-bration

SECTION 4 - HYDRAULICS3121273 – JLG Lift – 4-1SECTION 4. HYDRAULICS4.1 CYLINDERS - THEORY OF OPERATIONCylinders are of the double acting type. The Li

SECTION 4 - HYDRAULICS4-2 – JLG Lift – 31212734.3 PUMP/MOTORTheory of OperationThe Power Module (see Section 3.12, Power Control Mod-ule - ZAPI) is es

SECTION 4 - HYDRAULICS3121273 – JLG Lift – 4-3the Pump Motor Positive and Negative Terminals isless than 2 Ohms. If not, examine the pump motorfor wor

SECTION 4 - HYDRAULICS4-4 – JLG Lift – 3121273NOTE: Recommended lubricating intervals are based onmachine operations under normal conditions. Formachi

SECTION 4 - HYDRAULICS3121273 – JLG Lift – 4-5Figure 4-2. Hydraulic Motor, Pump and Tank Assembly (All Machines)1. Main Valve Body2. Pump Electric Mo

SECTION 4 - HYDRAULICS4-6 – JLG Lift – 31212734.4 LIFT PRESSURE SETTING PROCEDURE1. Place 120% of the rated load of the machine on theplatform.2. Incr

SECTION 4 - HYDRAULICS3121273 – JLG Lift – 4-74.6 LIFT CYLINDER REMOVALNOTE: If there is a pump failure, a crane or a forktruck can be usedto raise th

SECTION 4 - HYDRAULICS4-8 – JLG Lift – 31212734.7 CYLINDER REPAIRNOTE: The following are general procedures that apply to the cylin-ders on this machi

SECTION 4 - HYDRAULICS3121273 – JLG Lift – 4-9ble. Discard the o-rings, back-up rings, rod seals,and wiper seals.Steer Cylinder Piston Removal1. Using

3121273 – JLG Lift – v TABLE OF CONTENTSLIST OF FIGURESFIGURE NO. TITLE PAGE NO.1-1. Torque Chart (SAE Fasteners - Sheet 1 of 7) .

SECTION 4 - HYDRAULICS4-10 – JLG Lift – 3121273AssemblyNOTE: Prior to cylinder assembly, ensure that the proper cylinderseal kit is used. See your JLG

SECTION 4 - HYDRAULICS3121273 – JLG Lift – 4-118. Carefully thread the piston on the cylinder rod handtight, ensuring that the o-ring and back-up ring

SECTION 4 - HYDRAULICS4-12 – JLG Lift – 312127325. With barrel clamped securely, and while adequatelysupporting the rod, insert the piston end into th

SECTION 4 - HYDRAULICS3121273 – JLG Lift – 4-13 Figure 4-13. 1932RS/6RS - Lift Cylinder1. Cylinder Barrel2. Cylinder Rod3. Bushing4. Proporti

SECTION 4 - HYDRAULICS4-14 – JLG Lift – 3121273Figure 4-14. 3248RS/10RS - Lift Cylinder1. Cylinder Barrel2. Cylinder Rod3. Bushing4. Proportional Val

SECTION 4 - HYDRAULICS3121273 – JLG Lift – 4-15 Figure 4-15. 1932RS/6RS - Steer Cylinder1. Cylinder Barrel2. Cylinder Rod3. Head4. Wiper Seal5. Ro

SECTION 4 - HYDRAULICS4-16 – JLG Lift – 3121273 Figure 4-16. 3248RS/10RS - Steer Cylinder1. Cylinder Barrel2. Cylinder Rod3. Head4. Wiper Seal5.

SECTION 5 - JLG CONTROL SYSTEM3121273 – JLG Lift – 5-1SECTION 5. JLG CONTROL SYSTEM5.1 HAND HELD ANALYZER Diagnostic PortThe diagnostic port to conne

SECTION 5 - JLG CONTROL SYSTEM5-2 – JLG Lift– 3121273Using the Analyzer:With the machine power on and the analyzer connectedproperly, the analyzer wil

SECTION 5 - JLG CONTROL SYSTEM3121273 – JLG Lift – 5-3Changing the Access Level of the Hand Held Analyzer:When the analyzer is first connected, you wi