Zetor 95, 105, 115, 125 Operator Manual

ZETOR
This Operator’s Manual for the Zetor Forterra tractors, which we are presenting to you will help you to become familiar with the operation and maintenance of your new tractor. Although many of you have rich experience with the operation of other tractors, please, read the information contained in this Operator’s Manual very carefully.
In the Manual you will find a lot of new information and get a perfect overview of how to use the tractor with maximum efficiency during various kinds of work. If you observe the rules of tractor operation and maintenance and driving safety, your new tractor will become your reliable and long-term friend. The manufacturer of the tractor wishes you thousands of hours of satisfactory work.
ZETOR
Brno
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The technical specifications and information about the design, equipment, material and appearance are valid at the time of print. The manufacturer reserves the right to implement changes.
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The Operator’s Manual deals with the description, operation and maintenance of the standard version and accessories that the tractor may be optionally equipped with. The service cheque book for tractors is not part of the Operator’s Manual, but forms a separate booklet that is handed over to you at the purchase of your new tractor.
CONTENTS
Page
Location of serial numbers ......................................................................................... 7
Safety instructions for users........................................................................................9
Preventive daily maintenance ................................................................................... 13
Acquaintance with the tractor ................................................................................... 19
Driving operation ....................................................................................................... 47
Running in the tractor ............................................................................................... 65
Transportation ........................................................................................................... 69
Drive of agricultural machines .................................................................................. 75
Hydraulic system ......................................................................................................81
Electro-hydraulic system ........................................................................................... 89
Hitches ...................................................................................................................... 99
Wheel track change ................................................................................................ 107
Ballast weights ........................................................................................................ 113
Electric installation ..................................................................................................121
Tractor maintenance ...............................................................................................131
Maintenance instructions......................................................................................... 145
Adjustment ............................................................................................................. 167
Main technical parameters ..................................................................................... 177
Index ......................................................................................................................191
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Zetor Forterra 95........................... 66 kW
Zetor Forterra 105......................... 74 kW
Zetor Forterra 115 ......................... 81 kW
Zetor Forterra 125......................... 90 kW
ZETOR FORTERRA TRACTORS
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LOCATION OF SERIAL NUMBERS

XH154
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LOCATION OF SERIAL NUMBERS
When ordering spare parts and within all written and oral communication always specify the data of your tractor that should be written in the frames below.
Tractor type
Zetor Forterra 95 Zetor Forterra 105 Zetor Forterra 115 Zetor Forterra 125
The “right”, “left”, “front” and “back” indications refer to the driving direction of the tractor.
The manufacturer reserves the right to implement changes of the design and options during the production to improve the features of the tractor.
Tractor serial number
8
Engine serial number
XF-02-101

SAFETY INSTRUCTIONS FOR USERS

Please, pay increased attention to the parts of the Operator’s Manual that are marked with this symbol.
This symbol accompanies all important warnings that concern operation safety.
Observe these instructions and be extremely careful in these cases!
Inform your colleagues and other users about these warnings.
Carefully study the chapters marked with this symbol before starting to perform operation, repairs and adjustments of your tractor.
This symbol identifies all important information concerning operation, adjustment and repairs of the starter motor.
Observe these instructions and be extremely careful in these cases!
This symbol marks parts of the Operator’s Manual concerning environment protection. Or possibly sections describing handling of dangerous waste.
This symbol refers to optional
tractor accessories installed by the manufacturer on the customer’s request.
Accessories that are not installed by the manufacturer in the standard way or * optionally on the customer’s request (in the production plant) cannot be subject to a claim.
GENERAL SAFETY REGULATIONS
1. The tractor may only be operated by
a trained person that has a valid driving licence and has been thoroughly acquainted with the operation and safety rules.
2. Besides the safety instructions mentioned in the Operator’s Manual you are obliged to respect generally valid safety and traffic rules of the country where the tractor is used.
PROPER CLOTHING
3. Do not wear loose clothing and free
flying long hair.
4. During all work use suitable (prescribed) means of personal protection (working boots, gloves, goggles, etc.)
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STARTING THE ENGINE
5. It is not permitted to start the engine
by driving down a slope.
6. The tractor may be put in motion to start the engine with the use of another tractor or another vehicle with the use of a towing bar only.
7. Only start the engine from the driver’s seat with the clutch pedal fully depressed.
Life hazard when starting by means of short-circuiting the starter terminals!
8. The key in the switch box must be in the “I” position.
9. When heating the engine with the * electric heater first plug the power supply cord to the heater and only then to the electric mains. After the end of heating first disconnect the heater from the electric mains.
Caution! Electric shock hazard!
   
SAFETY INSTRUCTIONS FOR USERS
DRIVING OPERATION
10. Hoses of the hydrostatic steering,
brakes and fuel system must be checked and replaced immediately if any signs of damage are found. These are some examples of hose damage signs: ­cracks on the hose surface, releasing of pre-tensioning of hose connection (which can be verified by easy removal of the hose from the connection) and mechanical damage of the hose. Hoses with indicated service life must be replaced immediately after the expiration of the service period.
11. If the tractor uses bio-fuel, the fuel system must be equipped with REP hoses (the fuel system is equipped with REP 6 hoses by the manufacturer).
12. The brakes and steering must be in the perfect condition all the time.
13. During driving on roads with trailers and tools the brake pedals must be connected with a latch.
14. Driving downhill without an engaged gear is forbidden.
15. Pay special attention when driving on a slope and muddy, sandy, icy or uneven ground.
16. Observe the maximum prescribed slope gradient of 12°.
17. Respect the total permissible weight of the tractor and trailer specified on the
data plate of the tractor or on the rear wheel mud-guard.
18. Do not use the differential lock when driving into a bend.
19. It is forbidden to get into and out of a moving tractor.
20. When driving with machines attached to the rear hitches the load of the steered axle must not drop below 18 % of the current weight of the set.
21. When driving the tractor with agricultural machines attached to the front three-point hitch, reduce the driving speed to 20 km/h.
22. During aggregation of Zetor Forterra tractors with machines and implements with high tensile resistance when the engine speed drops and the engine tends to stall, the 1R, 2R reduced gears must not be used for the work with these machines (risk of shaft twist-off). .
TRANSPORTATION OF PERSONS, OPERATION
23. The number of persons transported
by the tractor must not exceed the number specified in the technical certificate of the tractor.
24. Persons that are not authorized to work with the attached implement must not stand between the tractor and the hitched machine (implement).
25. Before putting the tractor in motion 10
make sure there is no person or obstacle in the driving direction.
26. Observe the prescribed slope gradient, which has the value of 12° for the Zetor Forterra 95, 105, 115, 125 tractors.
RECOVERY, PUSHING
27. To recover a tractor that has sunk in
mud use a tow bar or rope attached to the front hook.
Never use chains! Rupture of the chain represents a danger of death!
28. During recovery it is dangerous to stand near the towing rope.
29. It is prohibited to use the tractor axles (individual wheels) as a winch for releasing a sunken tractor.
30. The front hook should be only use to recover the entire tractor, i.e. without any trailer or another attached implement.
31. Never recover the tractor with reduced gears engaged.
32. When pushing other vehicles (trailers, implements, etc.) with the tractor never insert free wooden blocks or bars between the tractor and the pushed vehicle.
LEAVING THE TRACTOR
33. Do not park the tractor with an
attached implement in the lifted position.
SAFETY INSTRUCTIONS FOR USERS
34. Before leaving the tractor do not
forget to brake the tractor with the parking brake (by engaging a gear). Remove the key from the switch box and lock the cab.
35. In the case of a tractor equipped with reversing shift the reversing lever to the forward position.
36. Before leaving the tractor with the engine running brake the tractor with the parking brake.
37. To get out of the tractor normally use the left side of the tractor. Look around to see whether a vehicle is coming that could endanger your safety during getting off and only then open the door.
38. When leaving the tractor use the steps and handles. Pay increased attention in the area of the shifting lever and the manual throttle lever as well as the upper step.
WITH STOPPED ENGINE ONLY
39. All work connected with refuelling,
cleaning, lubricating and adjusting the tractor or attached implements may only be performed with the engine and moving parts of the tractor stopped except functional checks of the brakes, hydraulic system and charging.
40. Before removing the side plates of the hood it is always necessary to stop the engine. The tractor engine can only
run in a closed building or room if sufficient ventilation is ensured. Exhaust gases are harmful for health.
FIRE PREVENTION PRINCIPLES
41. Refuel the tractor best after the end
of work and with the engine stopped.
42. Do not refill fuel up to the top of the
fuel tank in summer. Wipe spilt fuel immediately.
43. Do not refuel the tractor near open
flame and do not smoke.
44. Do not smoke and do not use open
flame when inspecting the battery electrolyte level.
45. Make sure that fire safety instructions
are strictly observed in environments with an increased danger of fire (hay-lofts, straw-stacks, etc.).
46. The tractors are not equipped with a
fire extinguisher from the production plant.
HEALTH AND ENVIRONMENT PROTECTION
47. The tractors are not equipped with
special filters of air aspirated to the cab. Therefore, they are not designed for work with aerosols and other harmful substances.
48. Coolant, brake liquid, kerosene,
diesel fuel, mineral oil and other oil products that are used for the operation
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and maintenance of the tractor may cause various skin disorders in case of direct contact with your skin and can irritate mucous membranes, eyes, the digestive system and upper respiratory ways. Some of them may even cause systemic poisoning when swallowed.
49. Persons that handle oil products are obliged to strictly observe safety and hygienic regulations, use suitable means of protection and work in well-ventilated rooms.
WORKING WITH OIL PRODUCTS
50. After the end of work or before a
meal you should wash yourself with a mild agent and treat your hands with a suitable ointment or cream.
51. When connecting and disconnection quick-couplers of the hydraulic circuits use any piece of cloth to remove residual oil remaining in the socket or on the plug of the quick-coupler.
SAFETY INSTRUCTIONS FOR USERS
WASTE DISPOSAL
52. When disposing of the tractor or its parts (incl. operation liquids) after the end of their service life you must observe relevant provisions of valid acts and implementation directives of these acts of the country where the tractor is used. The last seller of the tractor is obliged in accordance with the Waste Act to inform the consumer - during the sale of the tractor - about the way of collection of some used parts of the tractor. This is the case of oil and other operation liquids, batteries and tyres. These used products must be received from the consumer without any obligation of the consumer to pay for this service.
PREVENTIVE DAILY MAINTENANCE
53. Perform this maintenance daily or
after every 8 - 10 hours of operation at the latest.
SAFETY CAB
54. If the protective frame of the safety
cab is damaged by corrosion, an accident or otherwise, the safety cab must be replaced.
AIR-CONDITIONING
55. Disassembling, turning or otherwise
handling the screw union of the air­conditioning system is not allowed in any case. Sudden leak of the coolant may occur, causing quick local cooling. Contact or freezing of components in hands may cause serious damage of some tissues.
56. The air-conditioning system is
equipped with quick-couplers that make it possible to separate the cab from the tractor body if necessary without any coolant leak. Entrust interventions into the air-conditioning system to a specialized repair shop.
ELECTRIC INSTALLATION
57. No additional interventions
into the electric installation (connection of other electric appliances) are permissible due to its possible overloading!
58. The values of the electric installation
are: Nominal voltage 12 V =
Grounded minus pole
Using starting trucks or auxiliary power supplies with a different voltage or polarity may cause serious failures of the tractor.
( - ) pole
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59. When handling the battery you must pay increased attention and avoid short­circuits. In tractors equipped with a battery disconnector switch the disconnector off when handling the battery.
60. Zetor Forterra tractors must not be operated with a disconnected battery as this may lead to a serious failure of the tractor.

PREVENTIVE DAILY MAINTENANCE

Perform this maintenance daily or after every 8 - 10 hours of operation at the latest.
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XF_02_148
PREVENTIVE DAILY MAINTENANCE
F_02_192 XF_02_193 F_02_3a1
FUEL SYSTEM LEAKS
Check the fuel system for leaks, including the fuel tank. Repair any leaks immediately. The hole for draining dirt from the fuel tank is found in its bottom.
ENGINE OIL LEVEL
After unscrewing and removing the oil dip-stick check the oil quantity in the engine and then check the connection of the engine lubrication system for leaks. Maintain the oil level between the dip­stick marks.
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COOLING SYSTEM
Check the connections of the engine cooling system for leaks and the coolant quantity in the expansion tank. Replenish the missing quantity up to the upper mark indicated MAX. The minimum acceptable cooling liquid level is indicated by the MIN mark.
Only release the overpressure plug when the coolant has cooled down! There is a danger of scalding!
PREVENTIVE DAILY MAINTENANCE
F_02_4 F_02_56 F13
LIQUID BRAKES
Check the liquid brakes for leaks as well as the liquid control of the clutch and the braking liquid level in the expansion tank. Maintain the brake liquid level in the range of 3/4 of the tank content (max. level) and 1/2 of the tank content (minimum level).
TRAILER AIR BRAKES
Check the air system of the brakes for leaks and the efficiency of the tractor brakes with a trailer (see the Maintenance instructions chapter; the Checking the air systems for leaks section of this Operator’s Manual).
TRAILER HYDRAULIC BRAKES
Check the hydraulic brakes of the trailer for leaks.
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PREVENTIVE DAILY MAINTENANCE
D402 F_02_6a F_02_9
HYDROSTATIC STEERING
- Check the oil level in the hydrostatic steering tank.
- Check the tightening of screws and nuts of the steering rods and levers.
- Check the condition of all the hoses of the hydraulic steering circuit for damage and for oil leaks.
AIR CLEANER
If the air cleaner is heavily clogged with dirt, this condition is indicated by a sensor that lights up an indicator on the dashboard.
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CAB FILTRATION
Check and if necessary clean the cab ventilation air filters installed in the front overhang of the roof. The filter exchange interval depends on the dustiness of the working environment. Partial regeneration can be performed by beating out or blowing with compressed air. Do the cleaning or replacement of the filter elements after removing the covering grills in the roof overhang.
PREVENTIVE DAILY MAINTENANCE
F18 F_02_100 F_02_7
HITCHES
Check the condition of the hitching and attachment systems of the tractor and trailer.
AFTER WIRK WITH FRONT IMPLEMENTS AND IN CASE OF COOLER CLOGGING
After work with front implements:
Check the connections of the external hydraulic circuit of the control of the front three-point hitch for leaks
Clogging of the coolers:
Remove the side plate of the hood.
Release and slide the cooler to the left
side of the tractor.
Clean the front walls of the engine (gearbox, air-conditioning condenser) cooler with compressed air (blow air in the direction from the engine).
Remove residual dirt from the space under the hood so that it should not be suctioned again.
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TYRES AND WHEELS
Check the air pressure in the front and rear tyres. Depending on the character of work adjust the pressure to the recommended value. Check and if necessary retighten the bolts of the front and rear wheels (the rim / disc and disc / wheel shaft connection).
Never drive with loose wheel bolts!
PREVENTIVE DAILY MAINTENANCE
F_02_102a
SHORT FUNCTIONAL TEST
After starting the engine check whether the hydrostatic steering failure, engine lubrication and charging indicators have gone off. Verify the function of the hydraulic steering circuits and check them for leaks.
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The tractor user is obliged to get acquainted with the recom­mended procedures and instruc­tions for safe operation of the tractor in advance. It is too late to do so during operation!

ACQUAINTANCE WITH THE TRACTOR

Safety cab ................................................................................................................. 21
Door opening from the outside .................................................................................. 21
Door opening from the inside .................................................................................... 21
Rear window..............................................................................................................22
Side window .............................................................................................................. 22
Tilting lid .................................................................................................................. 22
Washer nozzle ..........................................................................................................23
Washer tank.............................................................................................................. 23
Washer control .......................................................................................................... 23
Passenger’s seat....................................................................................................... 24
Storage compartment and tool box ...........................................................................24
Rearview mirrors ....................................................................................................... 24
MARS SVRATKA driver’s seat.................................................................................. 25
Adjusting the seat for the driver’s weight................................................................... 25
Longitudinal adjustment of the seat........................................................................... 25
Vertical adjustment of the seat .................................................................................. 25
GRAMMER MAXIMO driver’s seat............................................................................ 26
GRAMMER S driver’s seat........................................................................................ 26
*Air filter with active carbon....................................................................................... 27
Control panel of heating, *air-conditioning, *radio .....................................................28
Heating valve control (A)........................................................................................... 28
Fan control (B) ..........................................................................................................28
*Air-conditioning switch (C) ....................................................................................... 28
Control of air circulation in the cab (D)......................................................................... 29
Proper function of the heating and air-conditioning system ........................................... 29
Fast heating of the cab space .....................................................................................29
Quick cooling of the cab space ............................................................................ 30
Heating or air-conditioning operation during work of the tractor ................................ 30
Immediately after cooling down the cab .................................................................... 30
Heating and air-conditioning outlets (A) (radio speakers)........................................ 31
Front windshield (B) defrosting.................................................................................. 31
Analog dashboard ..................................................................................................... 33
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Page
ACQUAINTANCE WITH THE TRACTOR
Page
Digital dashboard .................................................................................................... 35
Selectors, switches and levers.................................................................................. 36
Light switch (A) ......................................................................................................... 37
Switch of the front driving axle (F)............................................................................. 37
Warning light switch (E) ............................................................................................ 37
Selector of the grill and cab headlights (B)................................................................ 38
Front, rear differential lock button (J) ........................................................................ 38
Selector of turn signal, low and high beam lights and horn (L).................................. 38
Switching box............................................................................................................ 39
Key in “0” position ..................................................................................................... 39
Key in “I” position ...................................................................................................... 39
Key in “II” position ..................................................................................................... 40
Lighter and three-pin socket...................................................................................... 40
Manual throttle lever ................................................................................................. 40
Engine stopping control............................................................................................. 41
Torque multiplier preselection switch (i).................................................................... 41
Pedals and levers ..................................................................................................... 42
Main shifting lever and reversing lever...................................................................... 42
Shifting lever of road and reduced gears .................................................................. 42
Shifting lever of dependent and independent PTO rpm ............................................ 43
Levers of the parking brake and hitch for a single-axle trailer ................................... 43
Hydraulic control panel.............................................................................................. 43
Control of the auxiliary hydraulic distributor (external hydraulic circuit) .......................... 44
Control panel on the right cab pillar........................................................................... 44
Battery disconnector ................................................................................................. 44
Fuel tank ................................................................................................................... 45
Drain plug of the fuel tank ......................................................................................... 45
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ACQUAINTANCE WITH THE TRACTOR
F_02_8 F_02_11 F23
SAFETY CAB
Normally use the left side of the tractor to enter and leave the cab. When entering and leaving the cab use the three-stage steps and handles. Pay increased attention in the area of the shifting lever and the manual throttle lever.
The safety cabin is equipped with tinted glass as standard.
DOOR OPENING FROM THE OUTSIDE
The cab doors can be locked from the outside.
DOOR OPENING FROM THE INSIDE
1. Lever for door opening from the inside
2. Lever for lock opening from the inside The door is held in the fully open position by a gas strut. Driving with an open door is not recom­mended as the door may get damaged.
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ACQUAINTANCE WITH THE TRACTOR
F24 F25 F_02_14
REAR WINDOW
The rear window is equipped with a han­dle and in the open position it is held by gas struts. The rear window may be * heated.
We recommend you to latch the window in the closed position
when driving on an uneven ground - danger of cracking of the win­dow. Before you start work with imple­ments attached to the rear three-point hitch make sure there is no danger of collision between the attached implement in the position of maximum lift of the three-point hitch and the open rear win­dow. In case of interference we recom­mend you to work with the window closed.
SIDE WINDOW
The window is secured in the partly open position with a plastic latch.
TILTING LID
It can be opened by partial turning of the locking lever and half-opening.
By opening the tilting lid you will increase the total height of the tractor. Therefore, always close the lid when passing through or parking in places with a lowered profile.
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ACQUAINTANCE WITH THE TRACTOR
F28 F_02_152a F_02_137
WASHER NOZZLE
The nozzle is adjustable with a needle with the max. thickness of 0.8 mm.
WASHER TANK
The washer tank is located on the outer rear wall of the cab.
WASHER CONTROL
The windshield washer is activated by pressing of the selector of the front two­speed wiper located on the right pillar of the cab. The maximum period of uninter­rupted operation of the washer pump is 20 s.
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ACQUAINTANCE WITH THE TRACTOR
F_02_13 F31 F_02_12
PASSENGER’S SEAT
Passenger’s seat is tilting and is situated on the left cab fender. Note: To facilitate access to the driver's seat you can tilt the passenger’s seat upwards.
STORAGE COMPARTMENT AND TOOL BOX
The storage compartment is located at the left side of the driver’s seat. The toolbox is positioned in the rear part of the cab behind the driver’s seat.
REARVIEW MIRRORS
Before driving or starting work adjust the rearview mirrors to be able to see the en­tire road or the working field. The rearview mirrors may be * heated.
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ACQUAINTANCE WITH THE TRACTOR
F33 F34 F35
MARS SVRATKA DRIVER’S SEAT ADJUSTING THE SEAT FOR THE
DRIVER’S WEIGHT
The seat suspension is adjustable for the driver’s weight from 50 to 120 kg. The adjustment is performed by turning a square handle. The weight adjustment indicator is located in the recess of the rear seat cover. The spring stroke is 120 mm.
Do not adjust the seat when driv-
ing. Danger of accident!
LONGITUDINAL ADJUSTMENT OF THE SEAT
You can adjust the seat longitudinally with the left lever in the range of ± 75 mm (11 positions).
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VERTICAL ADJUSTMENT OF THE SEAT
The seat is adjusted vertically with the lever at the right-hand side in the range of ± 30 mm (3 positions).
ACQUAINTANCE WITH THE TRACTOR
D104 F205
GRAMMER MAXIMO DRIVER’S SEAT
1- Seat suspension adjustment control by the driver’s weight (adjustment by turning,
direction in accordance with the pictogram on the seat bellows). 2- Longitudinal adjustment lever of the seat (located at the right side of the seat) 3- Seat turning control (the seat can be turned by 20° to both the sides) 4- Seat vibration absorption control (by flipping the control to the front you will select
the floating position of the seat) 5- Backrest angle adjustment control 6- Backrest shape adjustment control 7- Height-adjustable backrest (by pulling or pushing in the arrow direction you can
adjust it in the range of 170 mm) 8- Tilting armrest 9- Armrest adjustment control (by turning the control you can adjust the height of the
armrest)
GRAMMER S DRIVER’S SEAT
It only uses positions 1, 2 and 5.
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ADJUSTABLE STEERING WHEEL
The tilting steering column allows vari­able angle and height adjustment of the steering wheel.
Steering wheel height adjustment The adjustment is done by extending or
retracting the steering wheel after releas­ing the lock by turning the lever (1) in the arrow direction. After setting the steering wheel lock the lever (1) by tightening against the arrow direction.
Steering wheel angle adjustment
The adjustment is done by tilting the steering wheel after releasing the lock by turning the lever (2) in the arrow direc­tion. After setting the steering wheel lock the lever (2) by tightening against the ar­row direction.
ACQUAINTANCE WITH THE TRACTOR
E730a
*AIR FILTER WITH ACTIVE CARBON
Filters with active carbon are installed instead of the standard dust filter and they are replaced in the same way as the normal filters. The filter must be inserted with the white side towards the grill. You will find the installation instructions in the “Mainte­nance instructions” chapter. The filter is only used during spraying of pesticides; then it must be replaced with a paper filter again as flying dust would clog the carbon filter in a very short time. During its use the recirculation control must be in the position of “air suctioned from the outside” The fan control must be in the “maximum” position.
WARNING: The filter does not provide complete protection from toxic sub­stances
When handling the filter wear protective gloves
Do not clean or blow the filter with compressed air.
DANGER: Replace the active carbon filter every 200 hours or 36 months (the production date is printed on the filter). If you feel the smell of pesticides in the cab, replace the filter immediately and have the cab sealing checked. Used fil­ters must be disposed of in specialized collection centres.
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When pesticides are sprayed and a heating filter with active carbon is used, the recirculation control must be in the “air suctioned from the outside” position and the fan control in the “maximum” position to create overpressure in the cab.
ACQUAINTANCE WITH THE TRACTOR
F_02_15 F_02_16 F_02_17a
CONTROL PANEL OF HEATING, *AIR­CONDITIONING, *RADIO
A - Heating valve control B - Fan control C - Air-conditioning switch D - Control of air circulation in the cab E - Space for additional radio installation
HEATING VALVE CONTROL (A)
a - Heating valve closed b - Heating valve open
FAN CONTROL (B)
0 - Fan off 1 - Slow fan speed 2 - Medium fan speed 3 - Maximum fan speed
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*AIR-CONDITIONING SWITCH (C)
The air-conditioning system is switched on and off with the switch with the snow­flake symbol (C). By pressing the switch you will put the air-conditioning system in operation (the snowflake symbol is lit). You can switch off the air-conditioning system by pressing the switch again (the snowflake symbol is off).
ACQUAINTANCE WITH THE TRACTOR
F_02_17b F_02_52 F_02_18a
CONTROL OF AIR CIRCULATION IN THE CAB (D)
a - Surrounding (external) air is suctioned
to the cab via filters - air suctioning from the cab is closed.
b - Air is suctioned from the inside of the
cab and blown into the cab again (air recirculation fast quick adjustment of temperature in the cab).
In this position the air inlet from the outside of the cabin is com­pletely closed and in the cabin there is no overpressure that pre­vents penetration of unfiltered air to the cabin! Do not use this position of the control during working operation of the tractor!
PROPER FUNCTION OF THE HEATING AND AIR-CONDITIONING SYSTEM
To ensure proper functioning of the heat­ing or air-conditioning system it is neces­sary to create overpressure in the cab. Therefore, we recommend you to close all the windows, doors and tilting lid of the cabin.
FAST HEATING OF THE CAB SPACE
Proceed as follows: 1 - Turn the heating valve control (A) to
the right position (heating valve fully open).
2 - Set the control of air circulation in the
cab (D) to the internal circulation posi­tion.
3 - Use the fan control (B) to select the
corresponding fan speed (position 1, 2, 3)
4 - Set the outlets to the required angle to
avoid direct blowing of air to the per­sons in the cab.
5 - After heating of the cab space set the
control of air circulation in the cab (D) to the position of suctioning external air - see fig. F_02_17b, position (a).
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ACQUAINTANCE WITH THE TRACTOR
F_02_18 F_02_19 F_02_20
QUICK COOLING OF THE CAB SPACE
Proceed as follows: 6 - Turn the heating valve control (A) to
the left position.
7 - Set the control of air circulation in the
cab (D) to the position of suctioning external air.
8 - Use the fan control (B) to select the
corresponding fan speed (position 1, 2, 3)
9 - Use the switch (C) to switch on the air-
conditioning system.
10 - Set the outlets to the required angle
to avoid blowing of air directly to the persons in the cabin (possible occur­rence of an illness due to intensive cooling of body parts).
HEATING OR AIR-CONDITIONING OPERATION DURING WORK OF THE TRACTOR
When internal air circulation is on, the fresh air inlet is closed and the air in the cab space may be breathed up by the operators. This situation may cause the feeling of tiredness and further due to overpressure loss in the cab dust may penetrate to the cab. Note: During work set the switch (D) in accordance with individual requirements to a temperature in a position between (a) and (b) so that the fan can suction air from the outside via filters.
IMMEDIATELY AFTER COOLING DOWN THE CAB
Immediately after cooling of the cab and reduction of the internal temperature to the required value we recommend you to:
Perform smooth regulation of air tem­perature with the air-conditioning on by partially opening the heating valve (A). At this setting the air entering the cabin from the outlets is not dried so inten­sively.
You can also smoothly regulate the air temperature with the air-conditioning on by reducing the fan output by switching the control (B) to position 1 or 2.
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