Noblelift FE4P50N Operation And Maintenance Manual Download Page 32

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4. Electrical system

4.1 Summary

Electrical system of FE4P

N is powered by 48V battery set, Electrical system of FE4P

is powered by

V battery set .traction power of the truck is powered by AC motor

，

lifting power

is produced when AC motor is driving the oil pump to produce oil pressure. Lighting system is

4.1.1 Schematic Diagram

(Figure 2-41)

Summary of Contents for FE4P50N

Page 1: ...pallet truck before reading and understanding these operating instructions Keep for future reference Operation and maintenance manual FE4P50 70 N series battery counter balanced forklift truck Noblel...

Page 2: ...1 4 Installation of wheel hub 14 1 5 Malfunction analysis 15 2 Brake system 15 2 1 Summarize 15 2 2 Brake paddle 15 2 3 Brake base pump 16 2 4 Brake staff 17 2 5 Parking brake operating device 19 2 6...

Page 3: ...position 55 7 5 Maintenanceandregulation 56 7 6 Instructionsofinstallingaccessaries 58 8 Disassemblingandinstallation 58 8 1 Attentions 58 8 2Hoistinglocationforpartsdisassembled 58 Chapter Three Ope...

Page 4: ...hapter four Truck s regular check and maintenance 90 The check before operation 90 1 Checkingpointandcheckingcontent 90 2 Checking procedure 90 Check after operation 95 Truck cleaning 95 1 Truck surfa...

Page 5: ...e operation if not do so it should lead to injury on human or damage on equipments and fire 2 Regulations that you need to pay attention and have to comply with before operation if not do so it should...

Page 6: ...and lower the mast tilt forward and backward the mast turn and brake the truck 11 Be sure that the polluting level of hydraulic oil is less than 12grade 4 Operation of truck 1 Only can the person oper...

Page 7: ...ls with wedge if the parking time is long 21 The protection valves on multiway valve and on steering device are already regulated so the users shouldn t regulate randomly when using to prevent that th...

Page 8: ...7 Chapter two The main performance parameters of forklift truck The truck s outline dimension and performance parameters 1 The truck s outline dimension see figure 1 1 Figure 1 1 outline...

Page 9: ...8...

Page 10: ...t h2 mm 120 Lift height h3 mm 3000 Extended mast height h4 mm 3977 Overhead load guard height h6 mm 2190 Seat height h7 mm 1058 Traction pin height h10 mm 295 Overall length l1 mm 3398 Length to face...

Page 11: ...h2 mm 120 120 Lift height h3 mm 3000 3000 Extended mast height h4 mm 4080 4075 Overhead load guard height h6 mm 2190 2190 Seat height h7 mm 1100 1100 Traction pin height h10 mm 295 295 Overall length...

Page 12: ...otor and make the twist moment rise from travel motor and then send the twist moment to differential lies between drive axle and travel motor see figure 2 1 1 O ring 2 bolt 3 bearing 4 O ring 5 bolt 6...

Page 13: ...and arrester It is installed in the front of framework The shell is unit casted in construction the tyres are fastened on wheel hub with studs and nuts wheel hub is supported on axle shell by conical...

Page 14: ...he material of axle shell is cast steel which is good in rigidity and bearing capacity the main technical parameter see List 2 1 List 2 1The main technical parameter Truck model FE4P50N FE4P60N FE4P70...

Page 15: ...b when it reachs the defined value start to screw up the nut starting moment 49N m 147N m figure 2 5 fgure 2 4 injection of grease figure 2 5 measurement of starting moment 4 Install lock plate and lo...

Page 16: ...g Clamping stagnation of moving parts adjustment oil leak Contacting surface bolts loose tighten seal packing rings worn replacing noise gear damages replacing bearing damages replacing 2 Brake system...

Page 17: ...one way valve and through brake pipeline flow into subsidiary pump Then the piston of each subsidiary pump pushes out to make the brake shoe wearing piece get contact with the brake drum and finally...

Page 18: ...and Pressure spring contacts with fixing pin and another end of it contacts with regulator In addition there are brake packing device and automatic regulating device assembled on brake staff See figu...

Page 19: ...ide of secondary brake shoe is installed on the side of leading brake shoe See figure2 12 3 gap self regulating device Gap self regulating device can keep a proper gap between wearing piece and brake...

Page 20: ...ke handle 2 6 Gist of dismantlement and regulating for brake staff Instruction of decomposing assembling regulating and brake paddle adjusting method when the wheel and hub is disassembled 2 6 1 The d...

Page 21: ...nal one then push out the rest one with finger See figure 2 22 figure 2 22 2 6 2 Brake device inspection Inspection of parts Repair and replacement of Damaged parts 1 Check up if there is any rust of...

Page 22: ...spring on hand brake handspike hen fix handspike on brake hoof See figure 2 27 figure 2 25 figure 2 26 figure 2 27 8 Fix guide of brake shoe on brace pin then fix rebound spring of brake hoof Install...

Page 23: ...en pulling adjusting bar a Ensure adjusting bar ejector pin ejector pin spring and spring are all fixed b Check rebound spring of ejector pin and spring of adjustor check adjuster gear for running sta...

Page 24: ...witch to make clearance into A 1mm d To be sure when step pedal down the light of brake shall be open e Tighten the nut figure 2 32 braking light button 2 8 Malfunction and cause See List 2 3 List 2 3...

Page 25: ...system leakage Repair or replace 2 Clearance of brake hoof is not ok Regulate adjustor 3 Air in brake system Deflate air 4 Brake pedal adjusting is not ok Adjusting again 2 9 Maintenance Before runnin...

Page 26: ...lexion Now you can place retainer washer and tighten lock nut 3 Steering system 3 1 Summary Steering system see figure 2 33 consists mainly of steering wheel steering shaft steering device steering oi...

Page 27: ...the parts as steering axle body steering cylinder connecting rod steering knob steering wheel and so on Steering trapezium is crank block in construction that the cylinder piston rod by connecting rod...

Page 28: ...ting pad 14 nut M12 15 dust cover 16 bearing 17 bearing 18 nut M30 2 19 washer 30 20 dowel pin 6 3 55 21 wheel hub cover 22 hub 23 pin 24 nut M10 1 25 25 washer 10 26 bushing 27 grease nipple M6 28 le...

Page 29: ...inder Steering cylinder designed as a double acting piston in pattern that is the piston rod connects on each end to kunckle with connecting rod and the pressure from fully hydraulic steering device m...

Page 30: ...ure there is no loose of wheel hub 5 Tighten castle nut and make slot aim at split pin hole of kunckle 6 Tap wheel hub gently by wood hammer again rotate wheel hub 3 4 circle by hand to ensure rotatio...

Page 31: ...re air in oil circuit exhaust air failure of steering reset Rivet spring slice broken or elasticity is not enough replace spring slice too big inside leakage of steering cylinder check piston seal For...

Page 32: ...ectrical system of FE4P60 70N is powered by 80V battery set traction power of the truck is powered by AC motor lifting power is produced when AC motor is driving the oil pump to produce oil pressure L...

Page 33: ...ng performance and complete operating performance of electric forklift can be achieved by setting correctly each motor technique data and control technique data and function value of controller 1 The...

Page 34: ...nd oil pump motor controller Once malfunction occurs in the working of controller there will display malfunction code in indicating instrument which will stop the controller from working to ensure the...

Page 35: ...ntroller digital code indicates controller failure specific code please refer to 4 4 failure analysis 3 the letter on the upper left means truck operating mode H means high efficiency mode S means nor...

Page 36: ...2 truck overloaded 3 the controller is wrongly assembled Severe Undervoltage 1 7 Voltage too low 1 battery parameter is wrongly setted 2 non controller system power consumption 3 The battery impedanc...

Page 37: ...r is too hot as a result the performance is not good 1 The motor temperature reach or above the setted program alert temperature lead the current output to reduce 2 motor temperature parameter is wron...

Page 38: ...ncoder failure 1 motor encoder is failure 2 wrong wiring Motor Open 3 7 Motor is open corcuit 1 motor phase 2 wrong wiring Main Contactor Welded 3 8 Main contactor adhesions 1 Main contactor contact w...

Page 39: ...e External Supply Out of Range 6 9 Externial battery output is out og range 1 externial loading is between 5V and 12V battery current is too big or too small 2 in the inspection menu CheckingMenu para...

Page 40: ...brake command is setted 2 Electromagnetic brake braking force is too small Encoder LOS Limited Operating Strategy 9 3 Encoder operation is limited 1 Because motor blocked or encoder failure the limit...

Page 41: ...n please read operation instruction manual carefully keep the manual with you after reading so as to get convenience of it at any time 5 2 Battery use requirements The lifespan of battery is between 2...

Page 42: ...y your eye parallel with density and let floater locate central position and not to touch with pipe wall to avoid influencing reading accuracy If temperature is lower than 25 or upper than 25 measure...

Page 43: ...ng course In normal charging Open cover of oil inlet check if the electrolyte level is in normal height otherwise regulate it to the normal height by distill water Connect charger to battery correctly...

Page 44: ...c system diagram 6 2 Oil pump Oil pump is gear pump 6 3 Multiway valve The multiway valve is two piece four body in pattern the high pressure oil from working pump is distributed by multiway valve rod...

Page 45: ...valve can return on neutral 2 Motion of safety flooding valve There is a flooding valve between pump HP and low pressure chunnel LP Pressure liquid from lifting valve c play on piston A and piston B...

Page 46: ...into tilting cylinder through joint B liquid returned from cylinder play on piston through oil pore A Liquid return to tank through pore A or B of valve core See figure 2 53 b When pump is not working...

Page 47: ...piston rod piston cylinder head etc Two lift cylinders located on rear of outer mast its bottom fitted on seat of lift cylinder of outer mast by pins and bolts the top of cylinder i e top of piston ro...

Page 48: ...hain Stop valve motion principle There is a stop valve on bottom of cylinder figure 2 57 if high pressure pipe burst suddenly this valve can prevent load lowering sharply Liquid from lift cylinder flo...

Page 49: ...t sleeve support piston rod seal ring retainer ring and dust ring to prevent leakage and dust it is screwed onto cylinder body with O ring See figure 2 59 Skid valve pushing forward high pressure oil...

Page 50: ...Figure 2 60 6 7 Hydraulic oil pipeline Hydraulic system hydraulic oil pipelice See figure 2 61 1 joint 25 G1 32 2 rubber hose oil suction 3 Hose clamp QC T390 40 45 4 Hose clamp QC T390 22 26 5 oil r...

Page 51: ...fixing plate 38 screw GB70 1 M8x35 8 8 39 hydraulic hose assembly 90 8 L1420 1SC 60 40 joint 7 2xM14x1 5 M16x1 5 60 41 hydraulic hose assembly 6 L600 1SC 60 figure2 61 hydraulic pipeline 6 8 Maintena...

Page 52: ...ew seal and a new spacer ring b Fit lining slice on groove of front end cover c Fit a drive wheel and a driven wheel on front end cover d Fit lining slice on gear side to make groove aim at gear point...

Page 53: ...g valve to make pump run about 10 minutes by 500 1000rpm to ensure that hydraulic pressure is less than 10kg cm c Increase rev of pump up to 1500 2000rpm about 10 minutes d Keep rev of pump between 15...

Page 54: ...Amend valve base surface Enactment pressure too high Valve get stuck Break up cleaning 2 Hydraulic pump fault diagnosis See List 2 12 List 2 12 Fault Cause Elimination Liquid displacement too small L...

Page 55: ...lting cylinder 7 spring washer 8 bolt 9 oil cup 10 bearing bush 11 supportor cover 12 Spring washer 13 bolt 14 roller wheel Figure 2 68 inner outer mast 7 3 Fork carriage figure 2 69 Fork carriage mov...

Page 56: ...0 There are two rollers outer frame roller unit as well as inner frame and fork carriage roller unit witch is fitted on outer mast as well as inner mast and fork carriage respectively Each roller unit...

Page 57: ...gulate shim to fit head of piston into upper beam of inner mast 2 Lift mast slowly to its maximum journey to check both of cylinder to move simultaneously 3 Put adjusting shim into between head of pis...

Page 58: ...To be sure new roller is normal and fit it on its position and lock it by clip ring Figure 2 73 Figure 2 74 7 5 4 Replace mast roller see figure 2 74 1 Dismantle the fork carriage from inner mast with...

Page 59: ...from you to prevent suddenness short circuit 4 During disassembling please use normal tools use special appointed tools when requested 5 Choose optimum elevating equipment to hoist parts dismantled to...

Page 60: ...irections of travel motor see figure 2 79 6 Hoisting directions for working motor see figure 2 80 Type outline dimension length width height mm Weight kg FE4P50N 980 538 760 970 FE4P60 70N 980 688 760...

Page 61: ...and cargo cg Said figure of load curve show you relation of 2t forklift load centre and permitted load figure of load curve is adhibited on vehicle if figure damaged to renew it in time If forklift is...

Page 62: ...rn on ignition key and keep it at ON position Even after ignition key is turned to ON position 1 second is needed between brake circuit starting to work and starting to move If gear shift lever is in...

Page 63: ...g simultaneously Inching operation a Traveling first let fork prong be close to goods about 3 5m distance b Step brake pedal down perfectly standstill c Step accelerator down to be in optimum speed d...

Page 64: ...truction of operating manual a Keep liquid on normal level Keep liquid level on normal situation to prevent battery from being over hot or being burn out If electrolyte is not enough the life span of...

Page 65: ...of battery to avoid cover fall down to injure human or bodywork c When hoisting battery out forklift be careful for touching steering wheel or other forklift parts d After finish installation of batt...

Page 66: ...of goods 11 Transport the goods to destination 12 Deposit 1 Before diposit Before forklift deposits clean it thoroughly check up as following a If necessary clean grease and oil of bodywork by cloth a...

Page 67: ...nd water of hydraulic tank d Install full charged battery on forklift andconnect it e Check carefully before startup Using instruction of operating devices 1 Components schematic diagram for operating...

Page 68: ...ed by direction switch steering switch and big and small light switch 1 direction switch 2 steering switch 3 big and small light switch Direction switch controls travelling direction and delivers sign...

Page 69: ...of multiway valve Both hydraulic steering system and steering wheel tilting device are standard equipment of forklift According to driver seat to adjust steering wheel to optimum angle Lock steering...

Page 70: ...andle step down the parking paddle 5 Brake paddle and accelerating paddle Do not step accelerator pedal suddenly to prevent the vehicle from starting or accelerating suddenly Ensure your foot remove f...

Page 71: ...t operating handle Lock will be released after pull the handle up you can move seat to and fro gently To be sure seat locked after adjusting Seat adjusting range To and fro is 120mm When traveling on...

Page 72: ...roof grard when get on or get off please use foot pedal and armrest to ensure your safety 7 Lamps There are head light and front light assembled on the head of vehicle direction indicator lamp parking...

Page 73: ...hould be adjusted appropriately in ramps or rough pavement to be especially careful when driving Driving on a ramp or rough roads will speed up the forklift tire wear and increased noise 2 Work enviro...

Page 74: ...hange parts on forklift arbitrary Read the instruction manual carefully before without permission driving Turn off the engine before maintenance Understand traffic regulations Before use please check...

Page 75: ...s cap clean Do not drive an unsafe forklift Drivers should have a healthy body Be sure your truck is safe Work in specified area Do not drive a damaged truck Hold tightly when get on the truck Start f...

Page 76: ...ition Appropriate fasten seat belts Always pay attention to the height of work place Turn on lights in dark area Do not put arm and body outside of the overhead guard during work Avoid driving on soft...

Page 77: ...y front fork when loading Check fork pin position Note the security of the work region Do not run on smooth or slippery ground Note the horizontal driving stability of the truck when it is un load Be...

Page 78: ...lowly handling small objects Do not chase each other through the traffic Not allowed to stand on the goods Not allowed to gaze around while driving Do not use the forklift to do stunt when goods is so...

Page 79: ...lifting height When no load travel backward in upgrade Note using brake when start truck on and travel forward in downgrade the slopes Not turn when driving on a slope People or things moving on road...

Page 80: ...cident because of unstable center of gravity Notice the change of rated load weight Pay attention to the area where forklift before use forklift is driven Use the fork correctly when loading Slow down...

Page 81: ...r Please bind the goods which is difficult than the goods rest to fix before load Do not carry the goods from forklift by Do not let people to carry the goods have manpower been damaged Do not misuse...

Page 82: ...n and deceleration Must use special equipment to lift people Do not overload safely to lift people safely to work at height Do not lift when there is excessive wind Not allowed to work in explosive en...

Page 83: ...key 3 Move the truck Forbid hoisting from the top Forbid hoisting on the frame Hoisting the forklift correctly Hoisting the forklift Tie firmly steel cable on two terminal holes of outer mast beam and...

Page 84: ...ad guard to hoist the forklift Forklift upgrade do not enter the truck underneath 4 How to avoid overturning how to protect yourself Prohibit forward tilt to enhance loading Prohibit lifting goods tip...

Page 85: ...is more safe to stay under the protection of seat belt than jump down the truck If the forklift began to tip over 1 Tap foot and clench the steering wheel tightly 2 Do not jump 3 The body bend to the...

Page 86: ...e search for medical treatment immediately Do not use the door frame assembly as a ladder Strictly forbidden to put your hands feet and body between frame and door frame assembly 4 Inspect and replace...

Page 87: ...battery Do not let positive and negative contacts cause a short circuit by bolts or tools which will result in injuries and explosions 5 Against excessive discharge Do not use forklift until it can no...

Page 88: ...ctrolyte from leaking Do not add too much electrolyte electrolyte overflow will cause leakage 11 Waterproof Batteries can not be wet with rain or sea water this will damage the battery or cause fire 1...

Page 89: ...88 Left safety mark Right safety mark Usage of forklift Forklift nameplate Lubrication system signs Load graph signs Add hydraulic oil signs hoisting signs prohibiting hoisting signs...

Page 90: ...89 Truck hoisting signs Prohibiting climbing signs Handbrake signs Tyre pressure signs Tyre removal signs Note signs of injury...

Page 91: ...nto the water pipe under the soil burning etc will pollute the water soil atmosphere etc which is prohibited by law 1 Checking point and checking content No Checking points Checking contents Brake sys...

Page 92: ...distance about 2 5m 2 Check the brake oil Open the lid and check the brake oil and other conditions 3 Check parking brake handle Push forward parking brake handle and observe following status If there...

Page 93: ...rame function Check the upgrade and after dumping the normal operation is smooth 7 Check pipeline Check lift cylinder tilt cylinder and all pipeline whether oil leak 8 Check the hydraulic oil Land the...

Page 94: ...eck the availability of loose wheel nut it is very dangerous even one of them is loose so be screwed to the provisions of pre torque value Wheel nut tightening torque Front wheel 6 50 10 10PR 130 150N...

Page 95: ...pump controllerfault code 6 it s tome for maintanance 7 mode selection 8 slow speed mode 9 seat switch indication 10 electric quantity alarm indication 11 gear neutral indication 12 timing indication...

Page 96: ...rake handle Press the emergency stop switch Turn off the key switch and remove the key Disconnect the battery plug 1 Truck surface cleaning Do not use flammable liquid to clean trucks take safety meas...

Page 97: ...ge 1 Battery Maintena nce item Maintenance item Tools Every day 8h Every week 50h Every month 200h Three months 600h Six months 1200h Battery Electrolyte levels Eye survey Electrolyte specific gravity...

Page 98: ...Transmission system Maintena nce item Maintenance item Tools Every day 8h Every week 50h Every month 200h Three months 600h Six months 1200h Gearbox and Wheel Reducer Noises Check leakage Change oil C...

Page 99: ...age Check or replace the lubrication of bridge bearing Check or replace lubrication of bridge bearing Check steering cylinder operating conditions Check whether steering cylinder is leaking Check rack...

Page 100: ...Hydraulic oil tank Check the oil oil change Suction filter cleaning Exclude eyewinker Control lever Whether the connection is lossen Operation condition Multitande m valve Leakage Safety valve and sel...

Page 101: ...rk Damage deformation wear of allocation pin cracking and abrading status in hooker welding of fork root Mast fork frame welding between inner mast outer mast and beam is cracking or damaged or not Ti...

Page 102: ...c replacement of critical safety components When some parts difficult to find through regular maintenance of injury or damage in order to further improve security the user should replace the parts giv...

Page 103: ...commended Name Trademark Capability L Remark Hydraulic oil L HM32 40 Winter L HM46 Summer Gear oil AFT DEXRON 4 5 Brake fluid Caltex DOT3 0 2 Industrial Vaseline 2 Battery electrode column Grease Auto...

Page 104: ...103 Maintenance record No Date Maintenance content Noter...

Page 105: ...104 Noblelift North America 2461 S Wolf Road Des Plaines IL 60018 T 847 595 7100 F 847 595 7200 parts nobleliftna com www nobleliftna com...

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