Engaging the differential lock | Holder 4.74 guide

Operating instructions		C 4.74
Operation		C 4.74
Operation
Engaging the differential lock	1

NOTE

With the differential lock you can improve trac- tion on soft, slippery ground. The engine speed should be over 1000 rpm during its use. You can engage the differential lock only briefly by toggling the switch momentarily.

ATTENTION

The differential lock may only be used when driving straight ahead.

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-Depress the rear end of the differential lock switch (1) and hold it.

The indicator (2) in the multifunctional display lights up red. An intermittent alarm sounds at the same time.

The differential lock acts on both axles.

Disengaging the differential lock

-Release the differential lock switch (1).

The indicator (2) goes out and the alarm in the multi- functional display ceases.

2

			15
	Motor	10	540U/min	20
	Motor		540U/min
			FRONT 1000U/min
		5		25
1
		0	RPMx100	30
		0	PTO	30
2	Km/h		electronic
	Km/h		0000000 h
			0000000 h

digital system

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68

149 443

Image 69

Holder 4.74 manual Engaging the differential lock, Disengaging the differential lock

Contents

Operating Instructions Operating instructions General notes on serviceForeword Development Date of issue and manual version November ForewordExplanation of terminology Table of contents Page Intended Use Instructions for the vehicleSite of operation Unintended applications Residual hazards and risks Instructions for the vehicle Driver’s licence Operating instructionsDriver’s licence classes Over 32 km/h Operating instructions Operating instructions Operating instructions General notes on safety SafetySafety notes for later installations Work clothing Gear oil, engine oil, diesel fuel Safety precautions for handling fuels and oils Battery acid Hydraulic oil, brake fluidEmissions Exhaust gases Heat Battery Vehicle dimensions Dimensional drawing Technical data Table of dimensions C Technical data 1040 mm Vehicle Track width e Total width f Dimension Type Track widths TiresNormal track Weights Max Type Weight Engine specifications Tires Type Technical data Traction hydraulics Front power lift Assembly Suppl. information Description SteeringBrakes Trailer hitch Assembly Suppl. information Description Rear power lift Loading platformWorking hydraulics with Steering Electrical system Assembly Suppl. information Description PTOsFuel system Vehicle overallPage Exhaust gas identification Noise level Description Views Vehicle14Front left view Description VehicleRear right view Operating controls Driver’s station Right front controls console Right rear console controls Hand throttle Rear console controls Pedals Joystick Heater until Steering wheel adjustment Multifunctional display, legend 10 9 8 Controls in cabin at front bottom Controls in cabin at front top Door controls Door opener Controls in cabin at rear Identification plates Location of plates and labels Mounting instructions for licence plates Overview of options and variants selection Assembly Additional information Dimension/Order No./Type 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 Taking into operation Turn on the battery isolating switchCheck the engine oil level Do not fill too much oil Check the tire inflation pressure Check the trailer hitch option if required Check the hydraulic oil level Approx L Filling fuel Adjust the steering wheel Do not adjust the steering wheel while driv- ingCheck the brake fluid level Do not adjust the seat while driving. Risk of accidents Adjust the driver’s seat with mechanical suspension 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 Check the lights and rear view mirror Filling washing water 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 Table of driving ranges Operation Stop Selecting on-road travel transport speed Setting the working speed of programs 3 Operating instructions Adjusting the fine control knob Driving with SDS Special Drive System Release the inching pedal again after passing Operating the inching pedalObstacle Vehicle will resume the previously selected Speed Changing the direction of travel Disengaging the differential lock Engaging the differential lock Two-stage steering Steering Brakes Applying the service brakeApplying the parking brake Parking brake is not intended to be used Releasing the parking brake An alarm is sounded when driving with Hand brake applied Driving on slopes Uphill Stationary operation Special operating instructionsPlace the vehicle n level ground in both di- rections Removal of hydraulic oil for stationary operation Adjusting the track width Special operating instructions215 Nm Operation in winter Oil preheating Ballast weightsWinter diesel fuel Engine oil for winter operationPage Safety instructions for handling implements Operating the implementsPossible implements Additional information on implements Operating the implements Front implement Rear implement or front/rear combinations Operating instructions Attaching implements Adjusting the length of the pintle hook bar Adjusting the pintle hooks and pintle hook bars Adjusting the upper link Equipment must not hit the cabinBoth threads must be screwed in equally far Connecting hydraulic lines Removing implements Installing the cardan shafts 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 Operating the tilting device with the keyboard Switching the front power lift to double-acting Operating the sideshift with the keyboard Transport safety External operation of the front power lift Toggle button for Float Position Button Flow limiter for joystick 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 Make sure no-one is standing in the danger zone at the rear Operating the hydraulic dumper 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 Operating the driver’s cab Other activitiesOperating 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 Turning on the rotating beacon Operating the hazard warning flasher system Turning on the flood light Flood light must not be used in the public traffic areaInterior light Turning on the interior light Radio* and loudspeakers Operating the radio Power socket Connecting equipment to the power socket Heating and ventilating Turning on the heater Heater Fresh air blower has 2 speeds Turning on the ventilation Air conditioning Cleaning the condenserOperating the air conditioning Air conditioning Vehicle fuses Fuses 123 Page Taking out of operation Leaving the vehicleStopping Shutdown Taking out of operationDo 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 Instructions for transport Transport, hoisting, towingHoisting instructions Do not step or stand under a suspended load. Danger Towing instructions Transport, hoisting, towing Brake cable is very taut risk of injury Secure the vehicle against rolling with chocksPage Adjusting the speedometer Indicators, adjustmentsPage Problems in engine and exhaust gas turbo Troubleshooting guideProblems 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 Qualification of service personnel General remarks on maintenanceService How to value the vehicle? General remarks on maintenance Following services were carried outService Hours Date Signature Interval Operation Handling fuels and lubricants Safety notes for maintenance 152 Work on the electrical system Disconnect the battery ground lead Jacking up Jack lift points To lower it, return the changeover lever 1 to the left Securing the dump body loading platform Raise the cabin carefully Tilting the cab Maintenance after the first 500 hours Maintenance schedule Maintenance every 500 hours Maintenance schedule 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 Adjusting the speedometer Maintenance as required Switch layout Tire size Combination Maintenance as required Replacement CleaningPage Clean the cooling system Clean with compressed air Periodic maintenance Maintenance every 125 hoursClean 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 brake fluid level for the foot brake Check the steering cylinder and orbitrol Do not operate the vehicle with a defective braking system Check the braking system Grease the vehicle Tighten nuts and bolts Tighten wheel nuts215 Nm Check the electrical system Clean the fresh air filter Page Change the engine oil Maintenance every 500 hoursObserve 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 Do not inject too much grease to prevent damage to the seal Lubricating the cardan joint nipples Change the hydraulic oil while at operating temperature Maintenance every 1500 hours Maintenance every 1500 hours CleanChange Matically Air in the hydraulic system is bled autoPage Maintenance every 3000 hours Check the injection nozzlesChange the toothed belt Page Change the brake fluid of the foot brake Annual maintenancePage Putting the vehicle back in service after lay-up Laying upEngine preservation Remove engine preservation Laying up Fuel and lubricant recommendations Recommended engine oils and greases Fuel and lubricant recommendationsManufacturer Lubricating oil type Greases Brake fluid Do not use mineral oilFuels Page Filling quantities Maintenance data Tightening torques Hexagon screws and studs Maintenance data List of replacement parts Description Order No Bulbs 12 Lights Rating Maintenance data 202 100 Alphabetical index 118 Alphabetical index 205 206 207 208 209 210