Zetor COMPAX CL User manual
01/2023
OPERATOR´S MANUAL
COMPAX CL
Tractor is Zetor. Since 1946.
20 26
ZETOR
This Operator’s Manual for the Zetor 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
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.
The instructions for use are a part of the machine.
Printing errors reserved
1
2
Location of serial numbers .............................................................................................................................. 7
User´s safety instructions ............................................................................................................................... 9
Used pictograms .......................................................................................................................................... 10
General safety regulations ........................................................................................................................... 10
Proper clothing ............................................................................................................................................ 10
Starting the engine ...................................................................................................................................... 10
Driving operation ......................................................................................................................................... 11
Risk of the tractor overturning ..................................................................................................................... 12
Transportation of persons, operation .......................................................................................................... 12
Leaving the tractor ...................................................................................................................................... 13
Fire prevention principles ............................................................................................................................ 13
Preventive daily maintenance...................................................................................................................... 14
Driver's seat ................................................................................................................................................. 15
The level of external noise of tractor ........................................................................................................... 15
The level of vibrations on driver´s seat ........................................................................................................ 15
Preventive daily maintenance ....................................................................................................................... 17
Preventive daily maintenance...................................................................................................................... 17
Fuel system leaks ........................................................................................................................................ 17
Engine oil level ............................................................................................................................................ 17
Cooling system ............................................................................................................................................ 18
Driving .......................................................................................................................................................... 18
Air cleaner ................................................................................................................................................... 18
Hitches ......................................................................................................................................................... 18
Inspection of fouling of coolers .................................................................................................................... 19
After work with front implements and in case of cooler clogging ............................................................... 19
Tyres and wheels ........................................................................................................................................ 19
Acquaintance with the tractor ....................................................................................................................... 21
Mechanically Suspended Driver's Seat ....................................................................................................... 21
Switches and controls on the dashboard 'Standard' ................................................................................... 21
Combined Switch ......................................................................................................................................... 21
Switch of warning lights ............................................................................................................................... 22
Operator presence safety module (OPSM) ................................................................................................. 22
Ignition switch .............................................................................................................................................. 23
Switch box key in the position (0) ................................................................................................................ 23
Switch box key in the position (I) ................................................................................................................. 23
Switch box key in the position (II) ................................................................................................................ 23
Dashboard ................................................................................................................................................... 24
Manual fuel control lever ............................................................................................................................. 24
Hydraulic control .......................................................................................................................................... 24
Auxiliary hydraulic switchboard control ....................................................................................................... 25
Pedals .......................................................................................................................................................... 25
Differential lock ............................................................................................................................................ 25
Gear shifting lever ....................................................................................................................................... 25
Gearshift for road and low speed ................................................................................................................ 26
Manual brake lever ...................................................................................................................................... 26
PTO shaft revolutions 540 and 750 rpm shifting lever ................................................................................ 26
Battery disconnector .................................................................................................................................... 27
Fuel tank ...................................................................................................................................................... 27
Driving operation ............................................................................................................................................ 29
Before you start the engine ......................................................................................................................... 29
Starting the engine ...................................................................................................................................... 29
If engine does not start ................................................................................................................................ 30
Manipulation with starter .............................................................................................................................. 30
Immediately after start ................................................................................................................................. 30
Engine heating ............................................................................................................................................. 30
Error signalling ............................................................................................................................................. 31
Drive away ................................................................................................................................................... 31
Selection of road or reduced speeds ........................................................................................................... 32
Gear shifting ................................................................................................................................................ 32
Gear shifting from lower to higher gears ..................................................................................................... 32
Gear shifting from higher to lower gears ..................................................................................................... 32
Travelling up the slope ................................................................................................................................ 33
Travelling down the slope ............................................................................................................................ 33
CONTENTS
3
Differential lock ............................................................................................................................................ 33
Front drive axle control ................................................................................................................................ 33
Driving with front drive axle engaged .......................................................................................................... 34
Foot brakes pedals ...................................................................................................................................... 34
Stopping the tractor - manual brake ............................................................................................................ 34
Stopping the engine ..................................................................................................................................... 35
Leaving the tractor ....................................................................................................................................... 35
Important notification ................................................................................................................................... 36
The socket for connection of the electrical installation of the trailer or semi-trailer ..................................... 36
Running in the tractor .................................................................................................................................... 37
General principles of new tractor run-in in first 100 hours of operation ...................................................... 37
In first 10 hours of operation ........................................................................................................................ 37
From 100 hours of operation ....................................................................................................................... 37
Transportation ................................................................................................................................................ 39
Front hook.................................................................................................................................................... 39
Drawbar ....................................................................................................................................................... 39
Aggregation with trailer and semitrailer ....................................................................................................... 40
Maximum permitted vertical static suspensions load for trailers and semitrailers ...................................... 40
Drive of agricultural machinery ..................................................................................................................... 41
Working with PTO shaft ............................................................................................................................... 41
PTO shaft cover ........................................................................................................................................... 41
PTO shaft revolutions 540 and 750 rpm shifting lever ................................................................................ 42
Drive of machines with greater inertia masses ............................................................................................ 42
Hydraulic system ............................................................................................................................................ 43
Hydraulic equipment .................................................................................................................................... 43
Hydraulic control panel ................................................................................................................................ 43
Internal hydraulic circuit control elements ................................................................................................... 44
Speed of three-point linkage lowering control ............................................................................................. 44
Control of the three-point linkage ................................................................................................................ 44
Control of the position of the three-point linkage ......................................................................................... 44
Three-point hitch force control ..................................................................................................................... 45
External hydraulic circuit .............................................................................................................................. 45
Extrernal hydraulic circuit control elements ................................................................................................. 45
Functions of the control lever of the external hydraulic circuit of the monoblock switchgear ..................... 46
Quick-couplers engagement and disengagement ....................................................................................... 46
Connecting machines and tools to External hydraulic circuit ...................................................................... 46
Hitches ............................................................................................................................................................. 47
Rear three-point linkage .............................................................................................................................. 47
Safety principles when working with a three-point linkage .......................................................................... 47
Vertical adjusment of lifting draw bars ......................................................................................................... 47
Limiting rod .................................................................................................................................................. 47
Upper draw bar ............................................................................................................................................ 48
Selection of holes in bracket........................................................................................................................ 48
Ballast weights ................................................................................................................................................ 49
Front weights ............................................................................................................................................... 49
Valve for filling tires with liquid..................................................................................................................... 49
Making front wheels stable .......................................................................................................................... 49
Procedure for filling tires with fluid ............................................................................................................... 50
Draining liquid from tires procedure ............................................................................................................ 50
Anti-freezing solution for filling tires ............................................................................................................. 50
Electric installation ......................................................................................................................................... 51
Basic service information ............................................................................................................................. 51
Accumulator battery ..................................................................................................................................... 51
Battery disconnector .................................................................................................................................... 51
Accumulator battery maintenance ............................................................................................................... 52
Alternator ..................................................................................................................................................... 52
Alternator maintenance ............................................................................................................................... 52
Fuse box ...................................................................................................................................................... 53
Location of Fuses in the Fuse Box .............................................................................................................. 53
Lights adjustment in tractor´s grill check ..................................................................................................... 54
Lights adjustment in tractor´s grill ................................................................................................................ 54
List of lamps ................................................................................................................................................ 55
CONTENTS
4
Tractor maintenance ...................................................................................................................................... 57
Service inspections ...................................................................................................................................... 57
Before starting the engine ........................................................................................................................... 57
After starting the engine .............................................................................................................................. 57
Actions taken ............................................................................................................................................... 58
Used operation liquids and fillings - amount ................................................................................................ 59
Tractor greasing plan ................................................................................................................................... 59
Safety instructions for lubrication of the tractor ........................................................................................... 59
Front drive axle ............................................................................................................................................ 59
Three-point hinge ........................................................................................................................................ 60
Pedals .......................................................................................................................................................... 60
Maintenance instructions .............................................................................................................................. 61
Bonnet opening ........................................................................................................................................... 61
Checking oil levels in engine ....................................................................................................................... 61
Draining oil from engine ............................................................................................................................... 61
Replacing full-continuous motor oil filter ...................................................................................................... 62
Pouring oil to engine .................................................................................................................................... 62
Fuel filtering ................................................................................................................................................. 62
Draining the water from the fuel filter .......................................................................................................... 63
Replacing the fuel cleaner cartridge ............................................................................................................ 63
Fuel system venting ..................................................................................................................................... 63
Maintenance instruction of dry air filter ........................................................................................................ 64
Air filter maintenance ................................................................................................................................... 64
Mechanical air filter clogging indicator ........................................................................................................ 64
Cleaning the dust extraction valve .............................................................................................................. 64
Recovery of the mainair cleaner element ................................................................................................... 65
Replacing the safety element of the air cleaner ......................................................................................... 65
Reassembly of the air cleaner elements .................................................................................................... 65
Coolant replacement ................................................................................................................................... 66
Checking the oil in gear box, final drive housing and rear axle ................................................................... 66
Gear system drain plug ............................................................................................................................... 66
Oil replacement in gear system ................................................................................................................... 67
Cleaning the hydraulic oil coarse filter ........................................................................................................ 67
Replacement of the filter of the hydraulics suction ...................................................................................... 67
Filling, controlling and draining hole of oil of front drive axle ....................................................................... 68
Tractor shutdown and recommended points for tractor lifting ..................................................................... 68
Adjustment ...................................................................................................................................................... 69
Flat belt drive tension of accessories .......................................................................................................... 69
Adjusting clutch pedal .................................................................................................................................. 69
Foot brake adjustment ................................................................................................................................ 70
Adjusting the wheel stops on the front drive axle ........................................................................................ 70
Front wheels toe-in ...................................................................................................................................... 71
Adjustment of toe-in of the wheels of the front driving axle ......................................................................... 71
Main technical parameters ............................................................................................................................ 73
Main tractor's parameters (mm) .................................................................................................................. 73
Tractor´s weight ........................................................................................................................................... 73
Technical data of engines ............................................................................................................................ 73
Permitted maximum load of front axle (kg) .................................................................................................. 74
Permitted maximum load of rear axle (kg) .................................................................................................. 74
Permitted maximum weight of set 'tractor + mounted machine' (kg) .......................................................... 74
Permitted combinations of wheels for tractors ............................................................................................ 74
Front tires steerability .................................................................................................................................. 75
Bearing capacity of rear tires ....................................................................................................................... 75
Hydraulic system ......................................................................................................................................... 76
Lifting force of the three-point hitch ............................................................................................................. 76
Tractor´s speed in km/h with engine nominal revolutions ........................................................................... 76
Performance on rear PTO shaft .................................................................................................................. 77
Rear PTO speed .......................................................................................................................................... 77
Clearance-circle and turning circle diameter ............................................................................................... 77
Front track width .......................................................................................................................................... 78
Rear track width ........................................................................................................................................... 78
Calculation of tractor load limit .................................................................................................................... 79
Index ................................................................................................................................................................. 83
CONTENTS
5
6
CCL_001.gif
1. Tractor data plate
2. Engine serial number
3. Tractor serial number
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
Tractor serial number
Engine serial number
LOCATION OF SERIAL NUMBERS
7
The 'right', 'left', 'front' and 'back' indications refer to
the driving direction of the tractor.
CCL_002.gif
LOCATION OF SERIAL NUMBERS
8
Pay increased attention to the parts in the instructions for use and maintenance indicated with this
symbol.
The symbol can be found next to all important warnings related to the operational safety. Follow these
warnings and be particularly careful in these situations! Inform your colleagues and other users about these
warnings.
The chapters indicated with this symbol should be carefully studied prior to operation, maintenance
and tractor adjustment.
One of these symbols can be found next to all important warnings related to the
operation, adjustment and repairs of the starter. Follow these warnings and be particularly careful in these
situations!
This symbol is used to indicate the parts of the instructions for use related to the environmental
protection. Or the parts describing handling of hazardous wastes.
This symbol is used to indicate accessories for the tractor mounted in the production site on the
customer's request.
This symbol is used to indicate hot surfaces. Increased care should be taken when working in
their vicinity; risk of injury.
Accessories which are not mounted as a standard or * on the customer's request in the
production site (from the manufacturer) cannot be subject to a complaint!
USER´S SAFETY INSTRUCTIONS
9
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