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Holder 4.74 manual 141

Models: 4.74

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C 4.74			Operating instructions
C 4.74					Troubleshooting guide
					Troubleshooting guide
Problem			Cause		Remedy
Problem			Cause		Remedy

Differential lock does not operate			Fuse blown or bad contact		Check fuse,
					remake contact
			Switch defective		Check / renew the switch
			Hydraulic valve for differential lock		Check hydraulic system and
			defective or no pressure exists		hydraulic valve
			No power		Check and repair electrical
					connections, cables
			Differential lock on wheel motor too		Repair
			hard to operate

Parking brake can not be released			Switch defective		Check / replace switch
			Too little pressure in accumulator		Start engine to build up pressure

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Image 142

Holder 4.74 manual 141

Contents

Operating Instructions Foreword General notes on serviceOperating instructions DevelopmentForeword Date of issue and manual version NovemberExplanation of terminology Table of contents Page Site of operation Instructions for the vehicleIntended Use Unintended applicationsInstructions for the vehicle Residual hazards and risksDriver’s licence classes Operating instructionsDriver’s licence Over 32 km/hOperating instructions Operating instructions Operating instructions Safety notes for later installations SafetyGeneral notes on safety Work clothingSafety precautions for handling fuels and oils Gear oil, engine oil, diesel fuelHydraulic oil, brake fluid Battery acidEmissions Exhaust gases Battery HeatTechnical data Vehicle dimensions Dimensional drawingTechnical data Table of dimensions CTrack widths Tires 1040 mm Vehicle Track width e Total width f Dimension TypeNormal track Weights Max Type Weight Engine specifications Technical data Tires TypeTraction hydraulics Brakes Assembly Suppl. information Description SteeringFront power lift Trailer hitchLoading platform Assembly Suppl. information Description Rear power liftWorking hydraulics with Steering Fuel system Assembly Suppl. information Description PTOsElectrical system Vehicle overallPage Noise level Exhaust gas identificationViews Vehicle14 DescriptionFront left view Vehicle DescriptionRear right view Driver’s station Operating controlsRight front controls console Right rear console controls Rear console controls Hand throttleJoystick PedalsSteering wheel adjustment Heater until10 9 8 Multifunctional display, legendControls in cabin at front top Controls in cabin at front bottomControls in cabin at rear Door controls Door openerLocation of plates and labels Identification platesMounting instructions for licence plates Assembly Additional information Dimension/Order No./Type Overview of options and variants selectionAssembly Supplementary information Dimension/Order No./Type Accessories Page Check and clean the cooler and debris screens Daily checks and services prior to taking into operationTaking into operation Check the engine oil level Turn on the battery isolating switchTaking into operation Do not fill too much oilCheck the trailer hitch option if required Check the tire inflation pressureCheck the hydraulic oil level Filling fuel Approx LDo not adjust the steering wheel while driv- ing Adjust the steering wheelCheck the brake fluid level Adjust the driver’s seat with mechanical suspension Do not adjust the seat while driving. Risk of accidentsAdjusting the lumbar padding Adjusting the driver’s seat with pneumatic suspen- sionAdjusting the backrest inclination Adjusting the horizontal suspension Adjusting the driver’s weightAdjusting the seat horizontally Filling washing water Check the lights and rear view mirrorStarting the engine Start the engine BildC164 Check the brakes and steering for proper operation Operation Driving safety rulesBefore starting to drive Driving OperationDriving with hydrostatic drive and digital electronics Operation Table of driving rangesStop Setting the working speed of programs 3 Selecting on-road travel transport speedOperating instructions Adjusting the fine control knob Driving with SDS Special Drive System Obstacle Vehicle will resume the previously selected Speed Operating the inching pedalRelease the inching pedal again after passing Changing the direction of travelEngaging the differential lock Disengaging the differential lockSteering Two-stage steeringApplying the parking brake Applying the service brakeBrakes Parking brake is not intended to be usedAn alarm is sounded when driving with Hand brake applied Releasing the parking brakeUphill Driving on slopesPlace the vehicle n level ground in both di- rections Special operating instructionsStationary operation Removal of hydraulic oil for stationary operationSpecial operating instructions Adjusting the track width215 Nm Winter diesel fuel Ballast weightsOperation in winter Oil preheating Engine oil for winter operationPage Operating the implements Safety instructions for handling implementsPossible implements Operating the implements Additional information on implementsRear implement or front/rear combinations Front implementOperating instructions Attaching implements Adjusting the pintle hooks and pintle hook bars Adjusting the length of the pintle hook barEquipment must not hit the cabin Adjusting the upper linkBoth threads must be screwed in equally far Connecting hydraulic lines Installing the cardan shafts Removing implementsOperating the joystick Joystick operation Tilting the front power lift Operating the front power liftSideshifting the front power lift Operating the front power lift with keyboard Switching the front power lift to double-acting Operating the tilting device with the keyboardTransport safety Operating the sideshift with the keyboardExternal operation of the front power lift Flow limiter for joystick Toggle button for Float Position ButtonOperating the rear power lift External operation of the rear power lift Operating the hydraulic couplings Operating the blue hydraulic couplings Operating the green hydraulic couplingsOperating the yellow and white hydraulic couplings Turning on the front PTO Turning on the rear PTO Adjusting the hysteresis Operating the hydraulic cushioning* front power liftGas pressure in the diaphragm accumu- lator is 30 bar Operation with implement cushioning Driving on-road with implement cushioningTurning the implement cushioning off 102 Operating the implements Turning off the implement variable-displacement Pump Operating the hydraulic dumper Make sure no-one is standing in the danger zone at the rearPress button 4 only at low engine speed Operating priority flow valveSlowly increase the speed of the engine Turning off the priority flow valve Press button 3 only at low engine speed 109 Page Operating the roof hatch Opening the roof hatch Other activitiesOperating the driver’s cab Removing the roof hatchTurning on windshield wiper/washer Other activitiesFront windshield wiper/washer Lights Turning on and operating the lights Turn the preheat/starter switch to positionTurning on high beam 13 14 Turning on the top headlights Signalling to the left, signalling to the rightOperating the horn Operating the hazard warning flasher system Turning on the rotating beaconFlood light must not be used in the public traffic area Turning on the flood lightInterior light Turning on the interior light Power socket Connecting equipment to the power socket Radio* and loudspeakers Operating the radioHeater Heating and ventilating Turning on the heaterTurning on the ventilation Fresh air blower has 2 speedsOperating the air conditioning Cleaning the condenserAir conditioning Air conditioningFuses Vehicle fuses123 Page Leaving the vehicle Taking out of operationStopping Do not leave the cabin without taking the ig- nition key Taking out of operationShutdown Leaving the vehicleTrailers, towing Operating the trailer hitch manually, attaching trailers Trailers, towingBearing load Trailer hitch must be completely closed Driving with trailers Hoisting instructions Transport, hoisting, towingInstructions for transport Do not step or stand under a suspended load. DangerTransport, hoisting, towing Towing instructionsSecure the vehicle against rolling with chocks Brake cable is very taut risk of injuryPage Indicators, adjustments Adjusting the speedometerPage Problems in electronic and hydraulic driving systems Troubleshooting guideProblems in engine and exhaust gas turbo Problem Cause RemedyTroubleshooting guide Troubleshooting guide Cause Remedy 141 Problems in the hydraulic system and steer- ing 143 Problems in the working hydraulic system 145 146 147 Page Service General remarks on maintenanceQualification of service personnel How to value the vehicle?Following services were carried out General remarks on maintenanceService Hours Date Signature Interval Operation Safety notes for maintenance Handling fuels and lubricants152 Disconnect the battery ground lead Work on the electrical systemJack lift points Jacking upSecuring the dump body loading platform To lower it, return the changeover lever 1 to the leftTilting the cab Raise the cabin carefullyMaintenance schedule Maintenance after the first 500 hoursMaintenance schedule Maintenance every 500 hoursMaintenance every 3000 hours Maintenance every 1500 hoursAnnual maintenance Page Maintenance after the first 50 hours Maintenance during the first period of operationCheck the engine for leaks Page Maintenance as required Adjusting the speedometerMaintenance as required Switch layout Tire size CombinationCleaning ReplacementPage Clean with cold cleaner or pressure washer Periodic maintenance Maintenance every 125 hoursClean the cooling system Clean with compressed air Check the cooling systemCheck the battery and cable terminals Maintenance every 125 hoursCheck the high pressure hoses Check the steering cylinder and orbitrol Check the brake fluid level for the foot brakeCheck the braking system Do not operate the vehicle with a defective braking systemGrease the vehicle Tighten wheel nuts Tighten nuts and bolts215 Nm Check the electrical system Clean the fresh air filter Page Observe the instructions for handling fuels and lubricants Maintenance every 500 hoursChange the engine oil LitresChange the engine oil filter Maintenance every 500 hoursCheck hose couplings for leaks Check the heating system Page Check the battery Maintenance every 1000 hoursCheck engine valve clearances Service V-belts only with the engine station- ary Maintenance every 1000 hoursCheck V-belt tension and condition Change the fuel filter and fuel prefilter Clean / replace the fuel pump strainerFuel system is bled automatically Lubricating the cardan joint nipples Do not inject too much grease to prevent damage to the sealMaintenance every 1500 hours Change the hydraulic oil while at operating temperatureClean Maintenance every 1500 hoursChange Air in the hydraulic system is bled auto MaticallyPage Check the injection nozzles Maintenance every 3000 hoursChange the toothed belt Page Annual maintenance Change the brake fluid of the foot brakePage Laying up Putting the vehicle back in service after lay-upEngine preservation Laying up Remove engine preservationFuel and lubricant recommendations Manufacturer Lubricating oil type Fuel and lubricant recommendationsRecommended engine oils and greases GreasesDo not use mineral oil Brake fluidFuels Page Maintenance data Filling quantitiesMaintenance data Tightening torques Hexagon screws and studsList of replacement parts Description Order No Bulbs 12 Lights Rating Maintenance data 202 Alphabetical index 100Alphabetical index 118205 206 207 208 209 210