Assembly Suppl. information Description Steering | Holder 4.74

C 4.74			Operating instructions
C 4.74			Technical data
			Technical data

Assembly		Suppl. information	Description

Steering

- Type			Hydrostatic with 2 steer cylinders, double-acting

- Steering control valve			Orbitrol OSPC 125 LS (1-stage) or OSPD 125/205 (2-stage)


Brakes

- Service brake			Knott drum brake, 250x55 hydraulic power assisted

- Operation			Hydraulic

- Parking brake			Knott drum brake, 250x55 hydraulic power assisted

- Operation			Electro-hydraulic accumulator brake

Trailer hitch

- Type

Scharmüller, height-adjustable and pivotabler

Front power lift

- Type		HOLDER regular 3-point, top link adjustable

- Mounting		Category I and II

- Lifting power		2000 kg (measured at pintle hook hitch, at medium position)

- Power lift height		approx. 612 mm depending on tires

- No. of cylinders		2 items, double-acting

149 443

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Holder 4.74 manual Assembly Suppl. information Description Steering, Brakes, Trailer hitch, Front power lift

Contents

Operating Instructions General notes on service Operating instructionsForeword Development Date of issue and manual version November ForewordExplanation of terminology Table of contents Page Instructions for the vehicle Intended UseSite of operation Unintended applications Instructions for the vehicle Residual hazards and risks Operating instructions Driver’s licenceDriver’s licence classes Over 32 km/h Operating instructions Operating instructions Operating instructions Safety General notes on safetySafety notes for later installations Work clothing Safety precautions for handling fuels and oils Gear oil, engine oil, diesel fuel Battery acid Hydraulic oil, brake fluidEmissions Exhaust gases Battery Heat Technical data Vehicle dimensions Dimensional drawing Technical data Table of dimensions C 1040 mm Vehicle Track width e Total width f Dimension Type Track widths TiresNormal track Weights Max Type Weight Engine specifications Technical data Tires Type Traction hydraulics Assembly Suppl. information Description Steering Front power liftBrakes Trailer hitch Assembly Suppl. information Description Rear power lift Loading platformWorking hydraulics with Steering Assembly Suppl. information Description PTOs Electrical systemFuel system Vehicle overallPage Noise level Exhaust gas identification Description Views Vehicle14Front left view Description VehicleRear right view Driver’s station Operating controls Right front controls console Right rear console controls Rear console controls Hand throttle Joystick Pedals Steering wheel adjustment Heater until 10 9 8 Multifunctional display, legend Controls in cabin at front top Controls in cabin at front bottom Controls in cabin at rear Door controls Door opener Location of plates and labels Identification plates Mounting instructions for licence plates Assembly Additional information Dimension/Order No./Type Overview of options and variants selection Assembly Supplementary information Dimension/Order No./Type Accessories Page Daily checks and services prior to taking into operation Check and clean the cooler and debris screensTaking into operation Turn on the battery isolating switch Taking into operationCheck the engine oil level Do not fill too much oil Check the trailer hitch option if required Check the tire inflation pressure Check the hydraulic oil level Filling fuel Approx L Adjust the steering wheel Do not adjust the steering wheel while driv- ingCheck the brake fluid level Adjust the driver’s seat with mechanical suspension Do not adjust the seat while driving. Risk of accidents Adjusting the driver’s seat with pneumatic suspen- sion Adjusting the lumbar paddingAdjusting the backrest inclination Adjusting the driver’s weight Adjusting the horizontal suspensionAdjusting the seat horizontally Filling washing water Check the lights and rear view mirror Starting the engine Start the engine BildC164 Check the brakes and steering for proper operation Driving safety rules OperationBefore starting to drive Operation DrivingDriving with hydrostatic drive and digital electronics Operation Table of driving ranges Stop Setting the working speed of programs 3 Selecting on-road travel transport speed Operating 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 travel Engaging the differential lock Disengaging the differential lock Steering Two-stage steering Applying the service brake BrakesApplying the parking brake Parking brake is not intended to be used An alarm is sounded when driving with Hand brake applied Releasing the parking brake Uphill Driving on slopes Special operating instructions Stationary operationPlace the vehicle n level ground in both di- rections Removal of hydraulic oil for stationary operation Adjusting the track width Special operating instructions215 Nm Ballast weights Operation in winter Oil preheatingWinter diesel fuel Engine oil for winter operationPage Safety instructions for handling implements Operating the implementsPossible implements Operating the implements Additional information on implements Rear implement or front/rear combinations Front implement Operating instructions Attaching implements Adjusting the pintle hooks and pintle hook bars Adjusting the length of the pintle hook bar Adjusting the upper link Equipment must not hit the cabinBoth threads must be screwed in equally far Connecting hydraulic lines Installing the cardan shafts Removing implements Operating the joystick Joystick operation Operating the front power lift Tilting 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 keyboard Transport safety Operating the sideshift with the keyboard External operation of the front power lift Flow limiter for joystick Toggle button for Float Position Button Operating the rear power lift External operation of the rear power lift Operating the hydraulic couplings Operating the green hydraulic couplings Operating the blue hydraulic couplingsOperating the yellow and white hydraulic couplings Turning on the front PTO Turning on the rear PTO Operating the hydraulic cushioning* front power lift Adjusting the hysteresisGas pressure in the diaphragm accumu- lator is 30 bar Driving on-road with implement cushioning Operation 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 rear Operating priority flow valve Press button 4 only at low engine speedSlowly increase the speed of the engine 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 hatch Other activities Turning on windshield wiper/washerFront windshield wiper/washer Turn the preheat/starter switch to position Lights Turning on and operating the lightsTurning on high beam 13 14 Signalling to the left, signalling to the right Turning on the top headlightsOperating the horn Operating the hazard warning flasher system Turning on the rotating beacon Turning on the flood light Flood light must not be used in the public traffic areaInterior light Turning on the interior light Power socket Connecting equipment to the power socket Radio* and loudspeakers Operating the radio Heater Heating and ventilating Turning on the heater Turning on the ventilation Fresh air blower has 2 speeds Cleaning the condenser Air conditioningOperating the air conditioning Air conditioning Fuses Vehicle fuses 123 Page Taking out of operation Leaving the vehicleStopping Taking out of operation ShutdownDo not leave the cabin without taking the ig- nition key Leaving the vehicle Trailers, towing Trailers, towing Operating the trailer hitch manually, attaching trailersBearing load 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. Danger Transport, hoisting, towing Towing instructions Secure 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 Remedy Troubleshooting 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? General remarks on maintenance Following services were carried outService Hours Date Signature Interval Operation Safety notes for maintenance Handling fuels and lubricants 152 Disconnect the battery ground lead Work on the electrical system Jack lift points Jacking up Securing the dump body loading platform To lower it, return the changeover lever 1 to the left Tilting the cab Raise the cabin carefully Maintenance schedule Maintenance after the first 500 hours Maintenance schedule Maintenance every 500 hours Maintenance every 1500 hours Maintenance every 3000 hoursAnnual maintenance Page Maintenance during the first period of operation Maintenance after the first 50 hoursCheck the engine for leaks Page Maintenance as required Adjusting the speedometer Maintenance as required Switch layout Tire size Combination Cleaning ReplacementPage Periodic maintenance Maintenance every 125 hours Clean the cooling system Clean with compressed airClean with cold cleaner or pressure washer Check the cooling system Maintenance every 125 hours Check the battery and cable terminalsCheck the high pressure hoses Check the steering cylinder and orbitrol Check the brake fluid level for the foot brake Check the braking system Do not operate the vehicle with a defective braking system Grease the vehicle Tighten nuts and bolts Tighten wheel nuts215 Nm Check the electrical system Clean the fresh air filter Page Maintenance every 500 hours Change the engine oilObserve the instructions for handling fuels and lubricants Litres Maintenance every 500 hours Change the engine oil filterCheck hose couplings for leaks Check the heating system Page Maintenance every 1000 hours Check the batteryCheck engine valve clearances Maintenance every 1000 hours Service V-belts only with the engine station- aryCheck V-belt tension and condition Clean / replace the fuel pump strainer Change the fuel filter and fuel prefilterFuel system is bled automatically Lubricating the cardan joint nipples Do not inject too much grease to prevent damage to the seal Maintenance every 1500 hours Change the hydraulic oil while at operating temperature Maintenance every 1500 hours CleanChange Air in the hydraulic system is bled auto MaticallyPage Maintenance every 3000 hours Check the injection nozzlesChange the toothed belt Page Annual maintenance Change the brake fluid of the foot brakePage Putting the vehicle back in service after lay-up Laying upEngine preservation Laying up Remove engine preservation Fuel and lubricant recommendations Fuel and lubricant recommendations Recommended engine oils and greasesManufacturer Lubricating oil type Greases Brake fluid Do not use mineral oilFuels Page Maintenance data Filling quantities Maintenance data Tightening torques Hexagon screws and studs List of replacement parts Description Order No Bulbs 12 Lights Rating Maintenance data 202 Alphabetical index 100 Alphabetical index 118 205 206 207 208 209 210