Jlg M4069 Service Manual Instrukcja Użytkownika

Service & Maintenance ManualModels3369LE4069LEM3369M40693121824July 23, 2012

SECTION 1 - SPECIFICATIONS1-2 – JLG Lift – 31218241.2 CAPACITIES 1.3 PRESSURE SETTINGS 1.4 COMPONENT DATABattery ChargerInput 220 VAC, 50 HZ Input, (1

SECTION 5 - JLG CONTROL SYSTEM5-4 – JLG Lift– 3121824Adjusting Parameters Using the Hand Held AnalyzerOnce you have gained access to level 1, and a pe

SECTION 5 - JLG CONTROL SYSTEM3121824 – JLG Lift – 5-5NOTE: Refer to the appropriate Machine Personality Set-tings Table, and the Machine Setup Table

SECTION 5 - JLG CONTROL SYSTEM5-6 – JLG Lift– 31218245.3 FLASH CODES/DTC’S AND DESCRIPTIONSNOTE: Machines with software prior to P1.0 will display the

SECTION 5 - JLG CONTROL SYSTEM3121824 – JLG Lift – 5-72-2 220 PLATFORM CONTROLS221 FUNCTION PROBLEM - HORN PERMANENTLY SELECTEDHorn switch in platform

SECTION 5 - JLG CONTROL SYSTEM5-8 – JLG Lift– 31218242-5 250 FUNCTION PREVENTED251 ELEV ANGLE SESOR FAULTY - VOLTAGE OUT OF RANGEThe sensor signal inp

SECTION 5 - JLG CONTROL SYSTEM3121824 – JLG Lift – 5-94-4 440 BATTERY SUPPLY441 BATTERY VOLTAGE TOO LOW - SYSTEM SHUTDOWNRecharge batteries or check f

SECTION 5 - JLG CONTROL SYSTEM5-10 – JLG Lift– 3121824Table 5-2. Power Module Diagnostic LED Flash CodesFlash Code FaultConstant Illumination No Fault

SECTION 5 - JLG CONTROL SYSTEM3121824 – JLG Lift – 5-11(Press Escape Twice to Return to Help)**(Test in Ground Mode)***(Test in Platform Mode)*(Outrig

SECTION 5 - JLG CONTROL SYSTEM5-12 – JLG Lift– 3121824BY PRESSING THESE ARROW KEYS ( ) YOU CAN SCROLL THROUGH THE TOP LEVEL MENUS. - To

SECTION 5 - JLG CONTROL SYSTEM3121824 – JLG Lift – 5-13- Top Level Menu- Sub Level Menu- Item to be Viewed or ChangedBY PRESSING THESE ARROW KEYS (

SECTION 1 - SPECIFICATIONS3121824 – JLG Lift – 1-31.6 LUBRICATION NOTE: Hydraulic oils must have anti-wear qualities at leastto API Service Classifica

SECTION 5 - JLG CONTROL SYSTEM5-14 – JLG Lift– 3121824(Press Escape Twice to Return to Help)**(Test in Ground Mode)***(Test in Platform Mode)*(Outrigg

SECTION 5 - JLG CONTROL SYSTEM3121824 – JLG Lift – 5-15BY PRESSING THESE ARROW KEYS ( ) YOU CAN SCROLL THROUGH THE TOP LEVEL MENUS. - T

SECTION 5 - JLG CONTROL SYSTEM5-16 – JLG Lift– 3121824- Top Level Menu- Sub Level Menu- Item to be Viewed or ChangedBY PRESSING THESE ARROW KEYS (

SECTION 5 - JLG CONTROL SYSTEM3121824 – JLG Lift – 5-17NOTE: These settings may change in order to achieve optimal performance on a machine by machine

SECTION 5 - JLG CONTROL SYSTEM5-18 – JLG Lift– 3121824NOTE: When configuring an LE scissors machine, the machine configuration must be completed befor

SECTION 5 - JLG CONTROL SYSTEM3121824 – JLG Lift – 5-195.4 GROUND CONTROL CIRCUIT BOARDSoftware Version 13.6 Table 5-5. J1 ConnectorPIN TAGNAME FUNCTI

SECTION 5 - JLG CONTROL SYSTEM5-20 – JLG Lift– 3121824Table 5-6. J2 ConnectorPIN TAGNAME FUNCTION TYPE1 B+ Control System Supply (+48V) POWER INPUT2 G

SECTION 5 - JLG CONTROL SYSTEM3121824 – JLG Lift – 5-2137 4WAF 4 Wheel Assist Forward Solenoid Valve DIGITAL OUTPUT38 4AWR 4 Wheel Assist Reverse Sole

SECTION 5 - JLG CONTROL SYSTEM5-22 – JLG Lift– 3121824Table 5-8. J4 ConnectorPIN TAGNAME FUNCTION TYPE1 12V 12V Sensor Supply POWER OUTPUT2 TILTX X-Ax

SECTION 5 - JLG CONTROL SYSTEM3121824 – JLG Lift – 5-23Software Version P1.0 Table 5-11. J1 ConnectorPIN TAGNAME FUNCTION TYPE1 PLTS Platform Select

SECTION 1 - SPECIFICATIONS1-4 – JLG Lift – 31218241.10 LUBRICATION TO AVOID PERSONAL INJURY, USE SAFETY PROP FOR ALLMAINTENANCE REQUIRING PLATFORM TO

SECTION 5 - JLG CONTROL SYSTEM5-24 – JLG Lift– 3121824Table 5-12. J2 ConnectorPIN TAGNAME FUNCTION TYPE1 B+ Control System Supply (+48V) POWER INPUT2

SECTION 5 - JLG CONTROL SYSTEM3121824 – JLG Lift – 5-2537 4WAF 4 Wheel Assist Forward Solenoid Valve DIGITAL OUTPUT38 4AWR 4 Wheel Assist Reverse Sole

SECTION 5 - JLG CONTROL SYSTEM5-26 – JLG Lift– 3121824Table 5-14. J4 ConnectorPIN TAGNAME FUNCTION TYPE1 12V 12V Sensor Supply POWER OUTPUT2 TILTX X-A

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS3121824 – JLG Lift – 6-1SECTION 6. GENERAL ELECTRICAL INFORMATION & SCHEMATICS6.1 GENE

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS6-2 – JLG Lift – 3121824Example: 50 mA = 0.05 A Voltage Measurement Resistance Measuremen

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS3121824 – JLG Lift – 6-3 Continuity Measurement Current MeasurementFigure 6-3. Continuity

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS6-4 – JLG Lift – 3121824Continuity Measurement Over Long DistancesWhen trying to determine

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS3121824 – JLG Lift – 6-56.3 APPLYING SILICONE DIELECTRIC COMPOUND TO AMP CONNECTORSSilicone

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS6-6 – JLG Lift – 3121824AssemblyCheck to be sure the wedge lock is in the open, or as-shipp

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS3121824 – JLG Lift – 6-7Figure 6-8. Connector Assembly (3 of 4)Figure 6-9. Connector Asse

SECTION 1 - SPECIFICATIONS3121824 – JLG Lift – 1-51.11 SERIAL NUMBER LOCATIONSFor machine identification, a serial number plate is affixed to the fron

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS6-8 – JLG Lift – 3121824Disassembly1. Insert a 4.8 mm (3/16”) wide screwdriver blade betwee

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS3121824 – JLG Lift – 6-9Service - Voltage ReadingDO NOT PIERCE WIRE INSULATION TO TAKE VOLT

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS6-10 – JLG Lift – 31218246.4 WORKING WITH DEUTSCH CONNECTORSDT/DTP Series AssemblyFigure 6-

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS3121824 – JLG Lift – 6-11Figure 6-15. HD/HDP Locking Contacts Into PositionNOTE: For unuse

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS6-12 – JLG Lift – 3121824Electrical Components InstallationPUMP/MOTORDRIVECONTROLLERLEFTDRI

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS3121824 – JLG Lift – 6-13OSCILLATINGAXLECYLINDERSPROXIMITY SENSORSWITCH (USA BUILTMACHINES

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS6-14 – JLG Lift – 3121824RFigure 6-20. Electrical Components Installation - (Sheet 3 of 4)

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS3121824 – JLG Lift – 6-15GROUNDCONTROLBOXTOGENERATORMODUL E(M3369 & M4069)BEACONLIGHTVA

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS6-16 – JLG Lift – 3121824 Schematic - 1870130 RevE1870130_GSht. 1 of 2Figure 6-22. Electri

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS3121824 – JLG Lift – 6-171870130_GSht. 1 of 2Figure 6-23. Electrical Schematic - Sheet 1 o

SECTION 1 - SPECIFICATIONS1-6 – JLG Lift – 31218241.12 TORQUE CHARTSFigure 1-3. Torque Chart (SAE Fasteners - Sheet 1 of 7)REFERENCE JLG ANEROBIC THR

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS6-18 – JLG Lift – 31218241870130_GSht. 2 of 2Figure 6-24. Electrical Schematic - Kubota Ge

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS3121824 – JLG Lift – 6-191870130_GSht. 2 of 2Figure 6-25. Electrical Schematic - Kubota Ge

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS6-20 – JLG Lift – 3121824Electrical Schematic - 1870229 RevAFigure 6-26. Electrical Schema

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS3121824 – JLG Lift – 6-211870229 BFigure 6-27. Electrical Schematic - (Sheet 2 of 2) (4069

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS6-22 – JLG Lift – 3121824 Schematic - Kubota Engine - 2000327 RevB Electrical Schematic - Y

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS3121824 – JLG Lift – 6-23This Page Intentionally Left Blank.

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS6-24 – JLG Lift – 31218242792443_EFigure 6-29. Hydraulic Diagram - 3369LE and M3369 (Fixed

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS3121824 – JLG Lift – 6-25Hydraulic Diagram - 2792444 RevG2792444_GFigure 6-30. Hydraulic D

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS6-26 – JLG Lift – 3121824Hydraulic Diagram - 2792445 RevF2792445_FFigure 6-31. Hydraulic D

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS3121824 – JLG Lift – 6-27Hydraulic Diagram - 2792446 RevH2792446_HFigure 6-32. Hydraulic D

SECTION 1 - SPECIFICATIONS3121824 – JLG Lift – 1-7Figure 1-4. Torque Chart (SAE Fasteners - Sheet 2 of 7))Size TPI Bolt DiaTensile Stress AreaClamp L

SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS6-28 – JLG Lift – 3121824Hydraulic Schematic - 2792442 RevF2792442_FFigure 6-33. Hydraulic

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

SECTION 1 - SPECIFICATIONS1-8 – JLG Lift – 3121824Figure 1-5. Torque Chart (SAE Fasteners - Sheet 3 of 7)Size TPI Bolt DiaTensile Stress AreaClamp Lo

SECTION 1 - SPECIFICATIONS3121824 – JLG Lift – 1-9Figure 1-6. Torque Chart (SAE Fasteners - Sheet 4 of 7)Size TPI Bolt DiaTensile Stress AreaClamp Lo

SECTION 1 - SPECIFICATIONS1-10 – JLG Lift – 3121824Figure 1-7. Torque Chart (METRIC Fasteners - Sheet 5 of 7))Size PITCHTensile Stress AreaClamp Load

SECTION 1 - SPECIFICATIONS3121824 – JLG Lift – 1-11Figure 1-8. Torque Chart (METRIC Fasteners - Sheet 6 of 7)Size PITCHTensile Stress AreaClamp LoadT

SECTION 1 - SPECIFICATIONS1-12 – JLG Lift – 3121824Figure 1-9. Torque Chart (METRIC Fasteners - Sheet 7 of 7)Size PITCHTensile Stress AreaClamp Load

SECTION 2 - GENERAL3121824 – JLG Lift – 2-1SECTION 2. GENERAL2.1 MACHINE PREPARATION, INSPECTION, AND MAINTENANCEGeneralThis section provides the nec

SECTION 2 - GENERAL2-2 – JLG Lift– 31218242.2 SERVICE AND GUIDELINESGeneralThe following information is provided to assist you in theuse and applicati

SECTION 2 - GENERAL3121824 – JLG Lift – 2-3Component Disassembly and ReassemblyWhen disassembling or reassembling a component, com-plete the procedura

SECTION 2 - GENERAL2-4 – JLG Lift– 31218242.3 LUBRICATION AND INFORMATIONHydraulic System1. The primary enemy of a hydraulic system is contam-ination.

SECTION 2 - GENERAL3121824 – JLG Lift – 2-52.4 CYLINDER DRIFT TESTMaximum acceptable cylinder drift is to be measuredusing the following methods.Platf

SECTION 2 - GENERAL2-6 – JLG Lift– 31218242.6 PREVENTIVE MAINTENANCE AND INSPECTION SCHEDULEThe preventive maintenance and inspection checks arelisted

SECTION 2 - GENERAL3121824 – JLG Lift – 2-7NOTE: If function speeds are slow on a fully charged machine a clogged filter may be indicated. Change filt

SECTION 2 - GENERAL2-8 – JLG Lift– 3121824NOTES:

SECTION 3 - CHASSIS & SCISSOR ARMS3121824 – JLG Lift – 3-1SECTION 3. CHASSIS & SCISSOR ARMS3.1 CALIBRATIONSElevation Sensor Calibration (Prio

INTRODUCTION - MAINTENANCE SAFETY PRECAUTIONS3121824 – JLG LIft – aSECTION A. INTRODUCTION - MAINTENANCE SAFETY PRECAUTIONSAGENERALThis section conta

SECTION 3 - CHASSIS & SCISSOR ARMS3-2 – JLG Lift – 312182413. Press ESCAPE, remove analyzer and assure allhardware is tight.Elevation Sensor Calib

SECTION 3 - CHASSIS & SCISSOR ARMS3121824 – JLG Lift – 3-3b. Tilt sensor mounting on machine or wedgedcrooked in control box:If the machine mounti

SECTION 3 - CHASSIS & SCISSOR ARMS3-4 – JLG Lift – 31218243.2 TILT SENSORTilt Sensor, JLG P/N 4000006: Tilt Sensor Removal:NOTE: Refer to Figure 3

SECTION 3 - CHASSIS & SCISSOR ARMS3121824 – JLG Lift – 3-5Tilt Sensor, JLG P/N 4000021:NOTE: Refer to Figure 3-4., Tilt Sensor Removal for num-ber

SECTION 3 - CHASSIS & SCISSOR ARMS3-6 – JLG Lift – 31218243.3 BATTERY MAINTENANCE AND CHARGINGIF REPLACING A BATTERY, EACH NEW BATTERY MUST WEIGHA

SECTION 3 - CHASSIS & SCISSOR ARMS3121824 – JLG Lift – 3-72. To charge the batteries, connect the charger to a230 volt source with a 15 amp minimu

SECTION 3 - CHASSIS & SCISSOR ARMS3-8 – JLG Lift – 3121824Battery Charger MaintenanceUSE CHARGER ONLY ON BATTERY SYSTEMS WITH AN ALGO-RITHM SELECT

SECTION 3 - CHASSIS & SCISSOR ARMS3121824 – JLG Lift – 3-9Battery Charger TroubleshootingNo Lights at allNo Lights at all indicate that AC power t

SECTION 3 - CHASSIS & SCISSOR ARMS3-10 – JLG Lift – 3121824[5 Flashes] - Over TemperatureThis fault indicates the charger has become too hot durin

SECTION 3 - CHASSIS & SCISSOR ARMS3121824 – JLG Lift – 3-11Checking/Changing the Battery Charge Algo-rithmThe charger is pre-loaded with programmi

INTRODUCTION - MAINTENANCE SAFETY PRECAUTIONSb – JLG Lift – 3121824REVISION LOGOriginal Issue - January 31, 2001Revision - April 25, 2001Revision - Ju

SECTION 3 - CHASSIS & SCISSOR ARMS3-12 – JLG Lift – 3121824Removing the Battery BoxTo remove the battery box, perform the following steps.1. Pull

SECTION 3 - CHASSIS & SCISSOR ARMS3121824 – JLG Lift – 3-133.4 GENERATORNOTE: Throughout the Generator section, the abbreviationsRBS and CTS are u

SECTION 3 - CHASSIS & SCISSOR ARMS3-14 – JLG Lift – 3121824Figure 3-9. Generator Components

SECTION 3 - CHASSIS & SCISSOR ARMS3121824 – JLG Lift – 3-15Timing Sequences• RBS Pre start Sequence1. Time Delay Engine Start (TDES)TDES is the pe

SECTION 3 - CHASSIS & SCISSOR ARMS3-16 – JLG Lift – 3121824Figure 3-10. Generator System Analyzer Flow Chart

SECTION 3 - CHASSIS & SCISSOR ARMS3121824 – JLG Lift – 3-17The ground control module contains the settings forthe generator.NOTE: The cable has a

SECTION 3 - CHASSIS & SCISSOR ARMS3-18 – JLG Lift – 3121824• UnderspeedEnabled once TDBP (time delay bypass) period haselapsed after engine startu

SECTION 3 - CHASSIS & SCISSOR ARMS3121824 – JLG Lift – 3-199. If no fuel flows there are some possibilities:a. There is no fuel getting to the inj

SECTION 3 - CHASSIS & SCISSOR ARMS3-20 – JLG Lift – 31218243. Remove the socket head drive screw with a 5/32”Allen key. Next remove the cable clam

SECTION 3 - CHASSIS & SCISSOR ARMS3121824 – JLG Lift – 3-213.6 JOYSTICK CONTROLLER Figure 3-11. Joystick Controller - (JLG P/N 1600308)Table 3-9

3121824 – JLG Lift – i TABLE OF CONTENTSTABLE OF CONTENTSSUBJECT - SECTION, PARAGRAPH PAGE NO.SECTION A - INTRODUCTION - MAINTENANCE SA

SECTION 3 - CHASSIS & SCISSOR ARMS3-22 – JLG Lift – 3121824Figure 3-12. Joystick Controller - (JLG P/N 1600403)Table 3-11. Joystick Specification

SECTION 3 - CHASSIS & SCISSOR ARMS3121824 – JLG Lift – 3-23TORQUEHUBTRACTIONMOTORDRIVEBRAKETORQUEHUBTRACTIONMOTORDRIVEBRAKEPOWERCONTROLLERFigure 3

SECTION 3 - CHASSIS & SCISSOR ARMS3-24 – JLG Lift – 3121824Power Controller 3.7 TORQUE HUBDisengaging for TowingPRIOR TO OPERATING THE DISCONNECT

SECTION 3 - CHASSIS & SCISSOR ARMS3121824 – JLG Lift – 3-253. Rotate the cover to show the inside diameter.4. Press the cover sufficiently against

SECTION 3 - CHASSIS & SCISSOR ARMS3-26 – JLG Lift – 3121824Figure 3-15. Torque Hub

SECTION 3 - CHASSIS & SCISSOR ARMS3121824 – JLG Lift – 3-273.8 DRIVE HUB The final drive consists of two stages with an integrateddisconnect mecha

SECTION 3 - CHASSIS & SCISSOR ARMS3-28 – JLG Lift – 31218241. Retaining Screws2. Washers3. Pressure Plate4. Case Seal5. O-ring6. Back-up Ring7. Pi

SECTION 3 - CHASSIS & SCISSOR ARMS3121824 – JLG Lift – 3-293.9 DRIVE BRAKE - MICODisassembly1. After removing the brake from its installation, pla

SECTION 3 - CHASSIS & SCISSOR ARMS3-30 – JLG Lift – 31218243.10 TORQUE HUB 1. Spindle2. Lip Seal3. Tapered Bearing Cone4. Tapered Bearing Cup5. Ta

SECTION 3 - CHASSIS & SCISSOR ARMS3121824 – JLG Lift – 3-31Roll TestThe purpose of the roll test is to determine if the unit’sgears are rotating f

ii – JLG LIft – 3121824TABLE OF CONTENTS (Continued) 4.14 Cylinder Assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 3 - CHASSIS & SCISSOR ARMS3-32 – JLG Lift – 3121824Main Disassembly 1. Coupling2. Retaining Ring3. Ring Gear4. Cover Subassembly5. Washer

SECTION 3 - CHASSIS & SCISSOR ARMS3121824 – JLG Lift – 3-33Disassembly Instructions:1. Perform the Roll Check and Leak Check, if applica-ble prior

SECTION 3 - CHASSIS & SCISSOR ARMS3-34 – JLG Lift – 3121824Output Carrier Disassembly 1. Using a 1/8" diameter punch, drive the Roll Pin (1)i

SECTION 3 - CHASSIS & SCISSOR ARMS3121824 – JLG Lift – 3-35Input Carrier Disassembly 1. Using a 1/8" diameter punch, drive the Roll Pin (1)in

SECTION 3 - CHASSIS & SCISSOR ARMS3-36 – JLG Lift – 3121824Hub-Spindle Disassembly 1. Place unit on bench with Spindle (1) end down.2. Remove Reta

SECTION 3 - CHASSIS & SCISSOR ARMS3121824 – JLG Lift – 3-37Cover Disassembly 1. Remove O-ring (1) from the groove in the Cover (2).2. Remove the T

SECTION 3 - CHASSIS & SCISSOR ARMS3-38 – JLG Lift – 3121824Input Carrier Sub-Assembly 1. Apply a liberal coat of grease to the bore of oneInput Pl

SECTION 3 - CHASSIS & SCISSOR ARMS3121824 – JLG Lift – 3-39Output Carrier Sub-Assembly 1. Apply a liberal coat of grease to the bore of one Out-pu

SECTION 3 - CHASSIS & SCISSOR ARMS3-40 – JLG Lift – 3121824Hub-Spindle Sub-Assembly NOTE: Apply a light coat of oil on all component parts dur-in

SECTION 3 - CHASSIS & SCISSOR ARMS3121824 – JLG Lift – 3-41Cover Sub-Assembly 1. Grease O-Ring (7) and insert into groove in Cover(2).2. Assemble

3121824 – JLG Lift – iii TABLE OF CONTENTS3-26. Hub Main Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SECTION 3 - CHASSIS & SCISSOR ARMS3-42 – JLG Lift – 3121824Main Assembly 1797161112141324583115618 1. Coupling2. Retaining Ring3. Ring Gear4. Cov

SECTION 3 - CHASSIS & SCISSOR ARMS3121824 – JLG Lift – 3-43NOTE: All components should receive a generous amountof lubricant oil as they are being

SECTION 3 - CHASSIS & SCISSOR ARMS3-44 – JLG Lift – 3121824NOTES:

SECTION 4 - HYDRAULICS3121824 – JLG Lift – 4-1SECTION 4. HYDRAULICS4.1 SERVICING AND MAINTENANCE GUIDELINESGeneralThe following information is provid

SECTION 4 - HYDRAULICS4-2 – JLG Lift – 31218242. Unless specific torque requirements are given withinthe text, standard torque values should be used o

SECTION 4 - HYDRAULICS3121824 – JLG Lift – 4-33. While the unit is shut down, a good preventive main-tenance measure is to make a thorough inspectiono

SECTION 4 - HYDRAULICS4-4 – JLG Lift – 3121824When the controller is returned to neutral, the controllerwill control smooth stopping of the machine, u

SECTION 4 - HYDRAULICS3121824 – JLG Lift – 4-5lines. Carefully remove hydraulic hoses from appro-priate cylinder port block.4. There will be initial w

SECTION 4 - HYDRAULICS4-6 – JLG Lift – 31218244.11 CYLINDER REPAIRNOTE: The following are general procedures that apply toall of the cylinders on this

SECTION 4 - HYDRAULICS3121824 – JLG Lift – 4-7Cleaning and Inspection1. Clean all parts thoroughly in an approved cleaningsolvent.2. Inspect the cylin

iv – JLG LIft – 3121824TABLE OF CONTENTS (Continued) 6-29. Hydraulic Diagram - 3369LE and M3369 (Fixed Axle) . . . . . . . . . . . . . . . . . .

SECTION 4 - HYDRAULICS4-8 – JLG Lift – 3121824WHEN INSTALLING NEW “POLY-PAK” TYPE PISTON SEALS,ENSURE SEALS ARE INSTALLED PROPERLY. (SEE FIGURE 4-9.)F

SECTION 4 - HYDRAULICS3121824 – JLG Lift – 4-914. With the barrel clamped securely, and while ade-quately supporting the rod, insert the piston end in

SECTION 4 - HYDRAULICS4-10 – JLG Lift – 312182422. With barrel clamped securely, and while adequatelysupporting the rod, insert the piston end into th

SECTION 4 - HYDRAULICS3121824 – JLG Lift – 4-11Oscillating Axle Lockout Test (If Equipped)LOCKOUT SYSTEM TEST MUST BE PERFORMED QUARTERLY,ANY TIME A S

SECTION 4 - HYDRAULICS4-12 – JLG Lift – 31218244.14 CYLINDER ASSEMBLIES NOTE: Torque Locknut (4) to 1525.3 - 1864 Nm (1125 -1375 ft-lbs).• Approximate

SECTION 4 - HYDRAULICS3121824 – JLG Lift – 4-13NOTE: Torque Locknut (4) to 1525.3 - 1864 Nm (1125 -1375 ft-lbs).• Approximate cylinder dry weight = 10

SECTION 4 - HYDRAULICS4-14 – JLG Lift – 3121824 1. Jack Pad2. Lock Washers3. Round Head Hex Screws4. Snap Ring5. Rod Protector Plate6. Snap

SECTION 4 - HYDRAULICS3121824 – JLG Lift – 4-15 NOTE: Torque Locknut (8) to 542.3 Nm (400 ft-lbs).Torque Counter Balance Valve (20) and Check V

SECTION 4 - HYDRAULICS4-16 – JLG Lift – 3121824NOTE: Torque Locknut (8) to 542.3 Nm (400 ft-lbs).Torque Counter Balance Valve (20) and Check Valve(21)

SECTION 4 - HYDRAULICS3121824 – JLG Lift – 4-17NOTE: Torque Nut (12) to 542.3 Nm (400 ft-lbs). TorqueLocking Screw (17) to 11.3 Nm (100 in-lbs).Torque

SECTION 1 - SPECIFICATIONS3121824 – JLG Lift – 1-1SECTION 1. SPECIFICATIONS1.1 SPECIFICATIONS Table 1-1. Operating SpecificationsDescription 3369LE/M

SECTION 4 - HYDRAULICS4-18 – JLG Lift – 3121824123456789101112Figure 4-16. Steer Cylinder1. Barrel2. Rod3. Guide4. Locknut5. Piston6. Piston Seal7. O

SECTION 4 - HYDRAULICS3121824 – JLG Lift – 4-19NOTE: Torque Capscrews (3) to 41 Nm (30 ft-lbs). TorqueThermal Relief Valve (22) to 27 - 34 Nm (20 - 25

SECTION 4 - HYDRAULICS4-20 – JLG Lift – 31218244.15 PRESSURE SETTING PROCEDURESMain Relief at Pump1. Install pressure gauge at port “MP” on control va

SECTION 4 - HYDRAULICS3121824 – JLG Lift – 4-21 4.16 DRIVE TORQUE HUBDisassembly1. Loosen all cover bolts and drain oil from unit.2. Remove the cover

SECTION 4 - HYDRAULICS4-22 – JLG Lift – 3121824Assembly1. With the hub shaft sub-assembly resting on the shaftinstall internal gear. The spline of the

SECTION 4 - HYDRAULICS3121824 – JLG Lift – 4-234.17 DRIVE ASSIST VALVE 1L 2L1R2RMPLPLPRMPRT1 TVALVE SCHEMATICPRTPL2RMPL1RT11LMPR2LFigure 4-19. Drive

SECTION 4 - HYDRAULICS4-24 – JLG Lift – 3121824NOTES:

SECTION 5 - JLG CONTROL SYSTEM3121824 – JLG Lift – 5-1SECTION 5. JLG CONTROL SYSTEM5.1 HAND HELD ANALYZER To Connect the Hand Held Analyzer: 1. Conne

SECTION 5 - JLG CONTROL SYSTEM5-2 – JLG Lift– 3121824Using the Analyzer:With the machine power on and the analyzer connectedproperly, the analyzer wil

SECTION 5 - JLG CONTROL SYSTEM3121824 – JLG Lift – 5-3Changing the Access Level of the Hand Held Analyzer:When the analyzer is first connected, you wi