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SECTION 3 - TROUBLESHOOTING

3120743

– JLG Lift –

3-1

SECTION 3. TROUBLESHOOTING

3.1

GENERAL.

This section contains troubleshooting information to be
used for locating and correcting most of the operating
problems which may develop in the aerial platform. If a
problem should develop which is not presented in this
section or which is not corrected by listed corrective
actions, technically qualified guidance should be obtained
before proceeding with any maintenance.

3.2

TROUBLESHOOTING INFORMATION.

The troubleshooting procedures applicable to the aerial
platform are listed and defined in Tables 3-1 through 3-6.
As an aid to table use, the aerial platform is divided into six
major groups, each covered separately within this section.
These groups are as follows: platform assembly, boom
assembly, turntable assembly, chassis assembly, hydrau-
lic system and electrical system.

Each malfunction within and individual group or system is
followed by a listing of probable causes which will enable
determination of the applicable remedial action. The prob-
able causes and the remedial action should, where possi-
ble, be checked in order listed in the tables.

It should be noted that there is no substitute for a thor-
ough knowledge of the equipment and related systems.

It should be recognized that the majority of the problems
arising in the machine will be centered in the hydraulic
and electrical systems. For this reason, every effort has
been made to ensure that all likely problems in these
areas are given the fullest possible treatment. In the
remaining machine groups only those problems which are
symptomatic of greater problems of which have more
than one probable cause and remedy are included. This
means that problems for which the probable cause and
remedy may be immediately obvious are not listed in this
section.

The first rule for troubleshooting any circuit that is hydrau-
lically operated and electrically controlled is to determine
if the circuit is lacking hydraulic oil or electrical control
power. This can be ascertained by overriding the bypass
valve (mechanically or electrically) so that oil is available
to the function valve, then overriding the function valve
mechanically. If the function performs satisfactorily, the
problem exists with the control circuit.

3.3

HYDRAULIC CIRCUIT CHECKS.

The first reference for improper function of a hydraulic sys-
tem, where the cause is not immediately apparent, should
be the Troubleshooting Chart. The best place to begin the
problem analysis is at the power source (pump). Once it is
determined that the pump is serviceable, then a system-
atic check of the circuit components, beginning with the
control would follow. For aid in troubleshooting, refer to
the Illustrated Parts Manual for hydraulic diagrams of the
various circuits.

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Содержание 30e

Страница 1: ...S INC 1 JLG Drive McConnellsburg PA 17233 9533 USA Telephone 717 485 5161 Fax 717 485 6417 Models 30e 35e n35e 40e n40e 45e 3120743 October 1 2001 SERVICE MAINTENANCE WWW JLG COM P r o p e r t y o f A...

Страница 2: ...pe B V Jupiterstraat 234 2132 HJ Foofddorp The Netherlands Phone 31 23 565 5665 Fax 31 23 557 2493 JLG Industries Norge AS Sofeimyrveien 12 N 1412 Sofienyr Norway Phone 47 6682 2000 Fax 47 6682 2001 J...

Страница 3: ...ic systems operate at extremely high potentially dangerous pressures Every effort should be made to relieve any system pres sure prior to disconnecting or removing any portion of the system Relieve sy...

Страница 4: ...3 REVISON LOG March 1989 Original Issue October 1994 Revised August 1997 Revised January 1999 Revised Cvr Intro and Pgs May 1 2000 Revised May 1 2001 Revised October 1 2001 Revised P r o p e r t y o f...

Страница 5: ...ANCE 2 12 2 9 CYLINDER CHECKING PROCEDURES 2 17 2 10 CYLINDER REPAIR 2 22 2 11 CYLINDER REMOVAL AND INSTALLATION 2 28 2 12 TILT INDICATOR SWITCH LEVELING PROCEDURE If Equipped 2 32 2 13 BOOM LIMIT SWI...

Страница 6: ...f Components Aft End of Fly Boom Wear Pad Adjustments 2 15 2 9 Location of Components Removal of Telescope Cylinder 2 15 2 10 Location of Components Front Base Boom Wear Pad Adjustments 2 15 2 11 Boom...

Страница 7: ...matic 35 40 45 electric Sheet 4 of 4 3 23 3 4 Hydraulic Diagram 30 electric 3 24 3 5 Hydraulic Diagram 35 electric 3 25 3 6 Hydraulic Diagram 40 45 electric 3 26 List of Tables TABLE NO TITLE PAGE NO...

Страница 8: ...vii JLG Lift 3120743 TABLE OF CONTENTS Continued This page left intentionally blank P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 9: ...si 5 5 kg cm2 Tires ST225 75R15 Load Range D 8 Ply Rating Foam Filled Optional Tires 35 40 electric March of 1996 to Present Tires G 78 15 Load Range E 10 Ply Rating 80 psi 5 5 kg cm2 Tires G 78 15 Lo...

Страница 10: ...59 seconds 35 n35 electric Lift Down 30 40 seconds 40 n40 electric Lift Up 50 60 seconds 40 n40 electric Lift Down 23 29 seconds 45 electric Lift Up 58 68 seconds 45 electric Lift Down 28 38 seconds S...

Страница 11: ...electric 6 ft 7 25 in 2 01 m 45 electric 6 ft 7 25 in 2 01 m Working Height 30 electric 30 ft 0 in 9 14 m 35 n35 electric 35 ft 0 in 10 67 m 40 n40 electric 40 ft 0 in 12 19 m 45 electric 45 ft 0 in...

Страница 12: ...g Relief 1000 psi 68 95 bar Telescope In Relief 2150 psi 148 25 bar Platform Level Up Relief 2500 psi 172 37 bar Platform Level Down Relief 1200 psi 82 74 bar Hydro Air Valve 4640726 Steer Relief 1500...

Страница 13: ...25 4 SlaveCylinder 2 00 50 8 9 375 238 1 1 00 25 4 RotatorCylinder 1 875 47 6 15 250 387 3 1 00 25 4 SteerCylinder DoubleRod 2 00 50 8 3 00 76 2 eachdirec tion 1 25 31 8 eachrod e40 n40e DESCRIPTION...

Страница 14: ...he serial number is stamped on top of the end of the upper boom at the platform and lower boom at the upright Model 30 35 n35 electric For machine identification a serial number plate is affixed to th...

Страница 15: ...SECTION 1 SPECIFICATIONS 3120743 JLG Lift 1 7 Figure 1 1 Torque Chart P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 16: ...SECTION 1 SPECIFICATIONS 1 8 JLG Lift 3120743 Figure 1 2 Lubrication Chart 30 electric Sheet 1 of 6 P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 17: ...SECTION 1 SPECIFICATIONS 3120743 JLG Lift 1 9 Figure 1 3 Lubrication Chart 30 electric P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 18: ...SECTION 1 SPECIFICATIONS 1 10 JLG Lift 3120743 Figure 1 4 Lubrication Chart 35 n35 electric Sheet 3 of 6 P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 19: ...SECTION 1 SPECIFICATIONS 3120743 JLG Lift 1 11 L Figure 1 5 Lubrication Chart 35 n35 electric Sheet 4 of 6 P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 20: ...SECTION 1 SPECIFICATIONS 1 12 JLG Lift 3120743 Figure 1 6 Lubrication Chart 40 n40 45 electric Sheet 5 of 6 P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 21: ...SECTION 1 SPECIFICATIONS 3120743 JLG Lift 1 13 Figure 1 7 Lubrication Chart 40 n40 45 electric Sheet 6 of 6 P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 22: ...SECTION 1 SPECIFICATIONS 1 14 JLG Lift 3120743 Figure 1 8 Serial Number Locations 30 electric Sheet 1 of 3 P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 23: ...SECTION 1 SPECIFICATIONS 3120743 JLG Lift 1 15 Figure 1 9 Serial Number Locations 35 n35 electric Sheet 2 of 3 P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 24: ...SECTION 1 SPECIFICATIONS 1 16 JLG Lift 3120743 Figure 1 10 Serial Number Locations 40 n40 45 electric Sheet 3 of 3 P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 25: ...seals and filters are provided to keep oil supplies clean however these items must be maintained on a scheduled basis in order to func tion properly 2 At any time when hydraulic oil lines are discon n...

Страница 26: ...those having the same specifications of the original or one which is equivalent 2 Unless specific torque requirements are given within the text standard torque values should be used on heat treated bo...

Страница 27: ...ith a low density 100VAC heater to a minimum temperature of 15 degrees F 3 The only exception to the above is to drain and fill the system with Mobil DTE11 oil or its equivalent This will allow start...

Страница 28: ...ed Flow control valves in the lift circuits provide for control of the rate of flow when the oil is flowing out of the cap ends of the cylinders the load is being lowered An adjusting screw on each ca...

Страница 29: ...n selector inputs are in neutral and the machine is stationary Once pump drive mode has been entered then the status of the direc tion selector inputs shall no longer interlock pump operation If a dir...

Страница 30: ...Faulty Drive Hand Controller This includes drive hand controller greater than 30 at power on and wire off Note that the pump accelerator is not fault detected 7 Flashes Low Battery Voltage This includ...

Страница 31: ...e Foot switch Illegal start up sequence 2 directions selected pump selected Drive inhibited Flashes until fault is cleared 4 3 FLASHES Motor Permanently Low Point A 7V in neutral or 7V for 15mS in dri...

Страница 32: ...rive inhibited Flashes until fault is cleared when contactor closes NOTE If recycling to neutral does not clear the fault then the fail safe is due to an S C contactor coil and the key switch must be...

Страница 33: ...8 7 FLASHES Low Battery Voltage Battery Volt age 13V Drive inhibited Recycle to neutral to clear flashes Figure 2 1 Sevcon Controller Troubleshooting Flow Charts Sheet 3 of 4 9 8 FLASHES Thermal Cutba...

Страница 34: ...ut for 1 second NOTE If the machine is operated at a very slow speed or stalled when climbing a grade of 20 or greater a 10 flash fault will occur Recycle footswitch to recover 11 11 FLASHES Tachomete...

Страница 35: ...wear pads when worn to thickness shown in Figure 2 2 3 Adjust wear pads as follows a a Loosen jam nut on adjustment bolt turn bolt CW until wear pad is snug to adjacent surface b b After adjustments h...

Страница 36: ...aft end of the base boom section HYDRAULIC LINES AND PORTS SHOULD BE CAPPED IMMEDI ATELY AFTER DISCONNECTING LINES TO AVOID ENTRY OF CONTAMINANTS INTO SYSTEM b Using a suitable lifting equipment adequ...

Страница 37: ...hole in pin are aligned with attach hole in boom structure Secure with hardware 5 Using suitable lifting equipment position upper link assembly on upright so that link pivot holes in both link and upr...

Страница 38: ...g equipment adequately support boom weight along entire length d Remove hardware securing the lift cylinder pin 1 Using a suitable brass drift and hammer remove pin 1 from the base boom e Remove hardw...

Страница 39: ...e remove telescope cyl inder from boom sections 7 Using a piece of tape mark the length of hoses and wires from front of fly boom and bottom of base boom for reassembly 8 Remove hardware securing the...

Страница 40: ...ling and lifting device at the telescope cylinder s approximate center of gravity and lift the cylinder to the aft end of the boom assembly WHEN INSERTING THE TELESCOPE CYLINDER INTO THE BOOM CARE MUS...

Страница 41: ...ALL FUNCTIONS FROM GROUND CONTROL STATION ONLY 1 Using all applicable safety precautions activate hydraulic system WHEN WORKING ON THE UPPER BOOM LIFT CYLINDER RAISE THE UPPER BOOM TO HORIZONTAL AND P...

Страница 42: ...f hydraulic fluid which can be caught in a suitable container After the initial discharge there should not be any further leakage from the ports If leakage continues at a rate of 6 8 drops per minute...

Страница 43: ...SECTION 2 PROCEDURES 3120743 JLG Lift 2 19 Figure 2 11 Boom Prop Configurations 30 electric Sheet 1 of 3 P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 44: ...SECTION 2 PROCEDURES 2 20 JLG Lift 3120743 Figure 2 11 Boom Prop Configurations 35 n35 electric Sheet 2 of 3 P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 45: ...SECTION 2 PROCEDURES 3120743 JLG Lift 2 21 Figure 2 11 Boom Prop Configurations 40 n40 45 electric Sheet 3 of 3 P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 46: ...port block end or cylinder rod end as applicable EXTREME CARE SHOULD BE TAKEN WHEN REMOVING THE CYL INDER ROD HEAD AND PISTON AVOID PULLING THE ROD OFF CENTER WHICH COULD CAUSE DAMAGE TO THE PISTON AN...

Страница 47: ...d s for burrs and sharp edges Dress applicable surfaces as nec essary 23 If applicable inspect cylinder head retainer s or end cap s for surface or thread damage Repair or replace as necessary 24 Insp...

Страница 48: ...e piston onto the rod until it abuts the spacer end and install the attaching nut and spot drill cylin der rod for set screw then install setscrew See Table 2 1 NOTE Step 10 applies to Steer Cylinder...

Страница 49: ...head gland can be inserted into the barrel cyl inder or if applicable until the cylinder head threads engage the barrel threads 18 If applicable apply loctite 222 and secure the cyl inder head retain...

Страница 50: ...SECTION 2 PROCEDURES 2 26 JLG Lift 3120743 Figure 2 23 Lift Cylinder Assembly P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 51: ...00ft lbs 542Nm 100in lbs 12Nm SlaveCylinder To12 94 50ft lbs 68Nm 100in lbs 12Nm SlaveCylinder From12 23 94 topresent 80ft lbs 109Nm 100in lbs 12Nm MasterCylinder To1 95 50ft lbs 68Nm 100in lbs 12Nm M...

Страница 52: ...stalling pins 1 30 35 n35 40 n40 45 electric Install Lift Cylinder in place using suitable slings or supports aligning attach pin mounting holes on upright 2 Using a suitable drift drive the barrel en...

Страница 53: ...work area Mid Boom Lift Cylinder Installation NOTE Coat I D of bushings with specified lubricant prior to installing pins 1 40 n40 45 electric With the booms positioned and supported as in Figure 2 11...

Страница 54: ...iate brass drift drive out the cylinder barrel pin 6 6 Carefully remove cylinder from boom Place in a suitable work area Lower Boom Lift Cylinder Installation NOTE Coat I D of bushings with specified...

Страница 55: ...e the cylinder from the boom assembly 10 Carefully lift the cylinder clear of the boom assembly and lower to the ground or suitably supported work area Upper Boom Telescope Cylinder Installation 1 35...

Страница 56: ...f the Upper Boom 3 Remove the cover on left side of Upper Boom exposing hydraulic and electric lines 4 Disconnect and remove 3 pronged plug and 35 pin plug from electric lines 5 Disconnect hydraulic l...

Страница 57: ...tom out Platform Level Up 2 Adjust Platform Level Up Relief to 2500 172 37 bar Platform Level Down Relief 1 With pressure gauge at G port on 4640843 valve activate and bottom out Platform Level Down 2...

Страница 58: ...G port on 4640797 valve activate and bottom out Platform Level Down 2 Adjust Platform Level Down Relief to 1200 psi 82 74 bar Steer Relief 1 With pressure gauge at G port on 4640726 valve activate and...

Страница 59: ...SECTION 2 PROCEDURES 3120743 JLG Lift 2 35 Figure 2 29 Pressure Setting Procedure 30 electric Sheet 1 of 3 P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 60: ...SECTION 2 PROCEDURES 2 36 JLG Lift 3120743 Figure 2 29 Pressure Setting Procedure 35 n35 electric Sheet 2 of 3 P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 61: ...SECTION 2 PROCEDURES 3120743 JLG Lift 2 37 Figure 2 29 Pressure Setting Procedure 40 n40 45 electric Sheet 3 of 3 P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 62: ...d insert the 0015 feeler gauge between the bolt head and hardened washer at the arrow indi cated position c Lower the boom to horizontal and fully extend the boom d At the position indicated on Figure...

Страница 63: ...SECTION 2 PROCEDURES 3120743 JLG Lift 2 39 Figure 2 31 Swing Bearing Tolerance Boom Placement 30 n30 n35 electric Sheet 1 of 2 P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 64: ...31 b using a magnetic base dial indicator measure and record the distance between the swing bearing and turntable See Figure 2 32 3 If a difference greater than 0 057 in 1 40 mm is determined the swin...

Страница 65: ...ease Grease fitting is on inside wall of inner race of bearing NOTE If Tribol Molub Alloy 936 Open Gear Compound or Mobilith SHC Bearing Grease are not available Multi Purpose Grease MPG can be substi...

Страница 66: ...y 1 Using a dial indicator measure end play of worm gear by applying side to side movement by hand to platform 2 If tolerance exceeds 010 reduce end play to less than 005 Refer to Adjusting End Play A...

Страница 67: ...ps 3 and 5 will remain in housing 7 as will bearing cone 6 Bearing cone 4 will remain on the spindle 1 The seal 2 will be automatically removed during this procedure NOTE If bearing replacement is nec...

Страница 68: ...SECTION 2 PROCEDURES 2 44 JLG Lift 3120743 Figure 2 36 Drive Hub Assembly 30 35 n35 40 n40 45 P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 69: ...shoulder 10 Thrust washer 27 is installed into the counterbore of the carrier 11 Place o ring 22 into input cover 23 counterbore Use petroleum jelly to hold o ring in place 12 The input cover 23 is n...

Страница 70: ...s have been fitted then new spacers will have to be adjusted for air gap of 0 014 0 024 inches 0 35 0 60 mm as shown in Figure 2 35 10 After checking air gap connect power supply 11 Switch on power su...

Страница 71: ...SECTION 2 PROCEDURES 3120743 JLG Lift 2 47 Figure 2 37 Drive Brake Assembly 30 35 n35 40 n40 45 P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 72: ...om starts to move 5 Raise the lower boom approx 1 foot 30 48mm then close bleeder while the boom is still moving 6 Lift down all the way 7 Repeat this procedure until all air has been purged from the...

Страница 73: ...ntrol valves The PQ Controller is a sealed unit and can withstand hostile and rugged outdoor weather conditions The control handle enters the housing through a sealed bearing reducing the possibility...

Страница 74: ...ine JLG Industries requires that a complete annual inspection be performed in accordance with the Annual Machine Inspection Report form Forms are supplied with each new machine and are also available...

Страница 75: ...ags 1 2 9 HosesandCables 1 4 5 8 10 Pins 8 11 Bushings 8 12 WearPads 8 13 Cylinders 1 5 6 13 TURNTABLE 1 Gauges GroundControls 1 2 11 2 Valves 1 11 5 3 HydraulicHoses 1 5 4 Shields 1 5 LimitsSwitches...

Страница 76: ...Hydraulic Tank 6 14 11 Hydraulic Hoses and Tubing 1 5 12 Placards and Decals 1 2 13 Tilt Alarm Switch 1 14 Shields 1 15 Wheel Bearings 8 16 Swing Bearing Worn Gear 1 9 12 Table 2 3 PREVENTIVE MAINTEN...

Страница 77: ...ising in the machine will be centered in the hydraulic and electrical systems For this reason every effort has been made to ensure that all likely problems in these areas are given the fullest possibl...

Страница 78: ...rmwillnotmaintainlevelattitude Counterbalancevalveonslavelevelingcylinder improperlyadjustedornotfunctioningproperly Replacevalve Wornseal s inslavelevelormainliftcylinder Replaceseal s Damagedslavele...

Страница 79: ...clineorfitting Clean repair orreplacelineorfitting Slavecylindernotfunctioningproperly Repairorreplacecylinder Electricalfailure Seeproperwiringdiagram Runsystemstest Orificeplugged Cleanorifice Platf...

Страница 80: ...easneces sary Tie boltsinvalveovertorqued Correctlytorquebolts Returnspringweakorbroken Removevalveandrepairorreplaceasneces sary Reliefvalvemalfunctioningcausingexcessive pressurewithinvalve Checkpre...

Страница 81: ...Reduceload Refertocapacityplacard Hydraulicsystemoillow Replenishoilasnecessary Electricalfailuretovalves Seeproperwiringdiagram Runsystemstest Restrictedorbrokenhydrauliclineorfitting Clean repair or...

Страница 82: ...ion Refertosnchronizationprecedure Main Telescope system Noresponsetotelescopecontrol Telescopecontrolswitchinoperative Repairorreplacecontrolswitch Hydraulicsystemoillow Replenishoilasnecessary Damag...

Страница 83: ...pump Cleanorreplaceline Controlvalvenotfunctioningproperly Repairorreplacevalve Swingmotornotfunctioningproperly Repairorreplacemotor Foreignobjects s wedgedbetweenswingmotor pinionandswinggear Remove...

Страница 84: ...nggearorspeedreducer pinion Lubricateasrequired SeeLubricationChart Swingmotornotfunctioningproperly Repairorreplaceswingcontrolswitch Wornorbrokenteethonswinggearorswing motorpinion Replacegear s asr...

Страница 85: ...roken Removevalveandrepairorreplaceasnecessary Reliefvalvemalfunctioningcausingexcessive pressurewithinvalve Checkpressuredeliverytoandfromvalveand repairorreplaceasnecessary Valveleaking Dirtorotherf...

Страница 86: ...rorreplace Lowbatteries Checkflashcodeon sevcon Machinewillnottravelinforward Hydraulicsystemoillow Replenishoilasnecessary Restrictedorbrokenhydrauliclineorfitting Clean repairorreplacelineorfitting...

Страница 87: ...operly Repairorreplacecylinder Machinehardtosteerorsteeringiserratic Hydraulicsystemoillow Replenishoilasnecessary Restrictedhydrauliclineorfitting Clean repairorreplacelineorfitting Restrictedcrossov...

Страница 88: ...in solenoidvalvedamaged Replacecoil Nooilfloworpressuretosteercircuit Takepressurereadingatsteervalveandadjust asnecessary Bentcylinderrod Repairorreplacecylinder Crossoverreliefvalvesticking Repaircr...

Страница 89: ...voirairvent Cleanorreplacevent Oilviscositytoohigh Drainsystemandreplacewithrecommendedoil RefertoHydraulicOils Airleakinsuctionsideoftank Repairleak Systemoverheating Oilviscositytoohigh Drainsystema...

Страница 90: ...valveasrequired Oilviscositytoolow Drainsystemandreplacewithrecommendedoil RefertoHydraulicOils System s operateerratically Stickingorbindingvalvespools pistons Clean repair orreplacecomponentsasrequi...

Страница 91: ...y Novoltagesuppliedtodrivemotors Checkmotorcontrollerandcontactorsforproper operation Repairorreplaceasnecessary Defectivefunctionswitch Replaceswitch Defectivecircuitbreaker Replacecircuitbreaker Nov...

Страница 92: ...SECTION 3 TROUBLESHOOTING 3 16 JLG Lift 3120743 Figure 3 1 Electrical Schematic 30 electric Sheet 1 of 4 P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 93: ...SECTION 3 TROUBLESHOOTING 3120743 JLG Lift 3 17 Figure 3 1 Electrical Schematic 30 electric Sheet 2 of 4 P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 94: ...SECTION 3 TROUBLESHOOTING 3 18 JLG Lift 3120743 Figure 3 1 Electrical Schematic 30 electric Sheet 3 of 4 P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 95: ...SECTION 3 TROUBLESHOOTING 3120743 JLG Lift 3 19 Figure 3 1 Electrical Schematic 30 electric Sheet 4 of 4 P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 96: ...SECTION 3 TROUBLESHOOTING 3 20 JLG Lift 3120743 Figure 3 2 Electrical Schematic 35 40 45 electric Sheet 1 of 4 P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 97: ...SECTION 3 TROUBLESHOOTING 3120743 JLG Lift 3 21 Figure 3 2 Electrical Schematic 35 40 45 electric Sheet 2 of 4 P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 98: ...SECTION 3 TROUBLESHOOTING 3 22 JLG Lift 3120743 Figure 3 2 Electrical Schematic 35 40 45 electric Sheet 3 of 4 P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 99: ...SECTION 3 TROUBLESHOOTING 3120743 JLG Lift 3 23 Figure 3 3 Electrical Schematic 35 40 45 electric Sheet 4 of 4 P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 100: ...SECTION 3 TROUBLESHOOTING 3 24 JLG Lift 3120743 Figure 3 4 Hydraulic Diagram 30 electric P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 101: ...SECTION 3 TROUBLESHOOTING 3120743 JLG Lift 3 25 Figure 3 5 Hydraulic Diagram 35 electric P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 102: ...SECTION 3 TROUBLESHOOTING 3 26 JLG Lift 3120743 Figure 3 6 Hydraulic Diagram 40 45 electric P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 103: ...P r o p e r t y o f A m e r i c a n A i r l i n e s...

Страница 104: ...0 Suite 71 13092 310 Campinas SP Brazil Phone 55 19 3295 0407 Fax 55 19 3295 1025 JLG Europe B V Jupiterstraat 234 2132 HJ Foofddorp The Netherlands Phone 31 23 565 5665 Fax 31 23 557 2493 JLG Industr...

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