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Holder 4.74 manual Trailers, towing

Models: 4.74

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C 4.74

Operating instructions

Trailers, towing

Your vehicle can tow the following trailers:

Table of trailers

	Type of Trailer	Permissible Total Weight	Braking System

	Single axle trailer	2.2 t	No braking system

			With own braking system if the trailer brake lever
	Single and multiple axle trailer	Up to 2.2 tons	can be mounted easily accessible beside the
			driver's seat

	Single axle tailer	Up to 4.5 tons	With overrunning brake

	Multiple axle trailer	Up to 4.5 tons	With service brake system and parking and rapid-
	Multiple axle trailer	Up to 4.5 tons	emergency brake
			emergency brake
	Trailer	Up to 6 tons	With hydraulic or pneumatic braking system

The following trailer combinations are allowed:

1Vehicle with single-axle trailer with brakes or without brakes.

2Vehicle plus single-axle trailer with brake or without brake plus two-axle trailer with override brake.

3Vehicle plus two-axle trailer with brake plus two-axle trailer with override brake.

4Vehicle plus two trailers with override brakes, one single-axle trailer plus one two-axle trailer, or one two-axle trailer plus one single-axle trailer.

NOTE

The total length of the vehicle-trailer train must not exceed 18 m.

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Holder 4.74 manual Trailers, towing

Contents

Operating Instructions General notes on service Operating instructionsForeword DevelopmentExplanation of terminology Date of issue and manual version NovemberForeword Table of contents Page Instructions for the vehicle Intended UseSite of operation Unintended applicationsInstructions for the vehicle Residual hazards and risksOperating instructions Driver’s licenceDriver’s licence classes Over 32 km/hOperating instructions Operating instructions Operating instructions Safety General notes on safetySafety notes for later installations Work clothingSafety precautions for handling fuels and oils Gear oil, engine oil, diesel fuelEmissions Exhaust gases Battery acidHydraulic oil, brake fluid Battery HeatTechnical data Vehicle dimensions Dimensional drawingTechnical data Table of dimensions CNormal track 1040 mm Vehicle Track width e Total width f Dimension TypeTrack widths Tires Weights Max Type Weight Engine specifications Technical data Tires TypeTraction hydraulics Assembly Suppl. information Description Steering Front power liftBrakes Trailer hitchWorking hydraulics with Steering Assembly Suppl. information Description Rear power liftLoading platform Assembly Suppl. information Description PTOs Electrical systemFuel system Vehicle overallPage Noise level Exhaust gas identificationFront left view DescriptionViews Vehicle14 Rear right view DescriptionVehicle 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 Taking into operation Daily checks and services prior to taking into operationCheck and clean the cooler and debris screens Turn on the battery isolating switch Taking into operationCheck the engine oil level Do not fill too much oilCheck the trailer hitch option if required Check the tire inflation pressureCheck the hydraulic oil level Filling fuel Approx LCheck the brake fluid level Adjust the steering wheelDo not adjust the steering wheel while driv- ing Adjust the driver’s seat with mechanical suspension Do not adjust the seat while driving. Risk of accidentsAdjusting the backrest inclination Adjusting the driver’s seat with pneumatic suspen- sionAdjusting the lumbar padding Adjusting the seat horizontally Adjusting the driver’s weightAdjusting the horizontal suspension Filling washing water Check the lights and rear view mirrorStarting the engine Start the engine BildC164 Check the brakes and steering for proper operation Before starting to drive Driving safety rulesOperation Driving with hydrostatic drive and digital electronics OperationDriving 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 Operating the inching pedal Release the inching pedal again after passingObstacle Vehicle will resume the previously selected Speed Changing the direction of travelEngaging the differential lock Disengaging the differential lockSteering Two-stage steeringApplying the service brake BrakesApplying the parking brake Parking brake is not intended to be usedAn alarm is sounded when driving with Hand brake applied Releasing the parking brakeUphill Driving on slopesSpecial operating instructions Stationary operationPlace the vehicle n level ground in both di- rections Removal of hydraulic oil for stationary operation215 Nm Adjusting the track widthSpecial operating instructions Ballast weights Operation in winter Oil preheatingWinter diesel fuel Engine oil for winter operationPage Possible implements Safety instructions for handling implementsOperating the 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 barBoth threads must be screwed in equally far Adjusting the upper linkEquipment must not hit the cabin Connecting hydraulic lines Installing the cardan shafts Removing implementsOperating the joystick Joystick operation Sideshifting the front power lift Operating the front power liftTilting 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 yellow and white hydraulic couplings Operating the green hydraulic couplingsOperating the blue hydraulic couplings Turning on the front PTO Turning on the rear PTO Gas pressure in the diaphragm accumu- lator is 30 bar Operating the hydraulic cushioning* front power liftAdjusting the hysteresis Turning the implement cushioning off Driving on-road with implement cushioningOperation with implement cushioning 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 rearSlowly increase the speed of the engine Operating priority flow valvePress button 4 only at low engine speed Turning off the priority flow valve Press button 3 only at low engine speed 109 Page Other activities Operating the driver’s cabOperating the roof hatch Opening the roof hatch Removing the roof hatchFront windshield wiper/washer Other activitiesTurning on windshield wiper/washer Turning on high beam Turn the preheat/starter switch to positionLights Turning on and operating the lights 13 14 Operating the horn Signalling to the left, signalling to the rightTurning on the top headlights Operating the hazard warning flasher system Turning on the rotating beaconInterior light Turning on the interior light Turning on the flood lightFlood light must not be used in the public traffic area 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 speedsCleaning the condenser Air conditioningOperating the air conditioning Air conditioningFuses Vehicle fuses123 Page Stopping Taking out of operationLeaving the vehicle Taking out of operation ShutdownDo not leave the cabin without taking the ig- nition key Leaving the vehicleTrailers, towing Bearing load Trailers, towingOperating the trailer hitch manually, attaching trailers Trailer hitch must be completely closed Driving with trailers Transport, hoisting, towing Instructions for transportHoisting instructions 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 Troubleshooting guide Problems in engine and exhaust gas turboProblems in electronic and hydraulic driving systems 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 General remarks on maintenance Qualification of service personnelService How to value the vehicle?Service Hours Date Signature Interval Operation General remarks on maintenanceFollowing services were carried out 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 hoursAnnual maintenance Maintenance every 1500 hoursMaintenance every 3000 hours Page Check the engine for leaks Maintenance during the first period of operationMaintenance after the first 50 hours Page Maintenance as required Adjusting the speedometerMaintenance as required Switch layout Tire size CombinationCleaning ReplacementPage Periodic maintenance Maintenance every 125 hours Clean the cooling system Clean with compressed airClean with cold cleaner or pressure washer Check the cooling systemCheck the high pressure hoses Maintenance every 125 hoursCheck the battery and cable terminals 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 215 Nm Check the electrical system Tighten nuts and boltsTighten wheel nuts Clean the fresh air filter Page Maintenance every 500 hours Change the engine oilObserve the instructions for handling fuels and lubricants LitresCheck hose couplings for leaks Maintenance every 500 hoursChange the engine oil filter Check the heating system Page Check engine valve clearances Maintenance every 1000 hoursCheck the battery Check V-belt tension and condition Maintenance every 1000 hoursService V-belts only with the engine station- ary Fuel system is bled automatically Clean / replace the fuel pump strainerChange the fuel filter and fuel prefilter 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 temperatureChange Maintenance every 1500 hoursClean Air in the hydraulic system is bled auto MaticallyPage Change the toothed belt Maintenance every 3000 hoursCheck the injection nozzles Page Annual maintenance Change the brake fluid of the foot brakePage Engine preservation Putting the vehicle back in service after lay-upLaying up Laying up Remove engine preservationFuel and lubricant recommendations Fuel and lubricant recommendations Recommended engine oils and greasesManufacturer Lubricating oil type GreasesFuels Brake fluidDo not use mineral oil 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