Zetor Proxima HS 120 - Adjustment; Belt Tension and Brake Bleeding

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NOTES

184

Table of Contents

Table of Contents4
Location of Serial Numbers12
Safety Instructions for Users14
- General Safety Regulations14
- Proper Clothing14
- Starting the Engine15
- Driving Operation15
- Fire Prevention Principles16
- Preventive Daily Maintenance17
- Driver's Seat18
- Front Passenger´s Seat Notification18
- Protection of Cab against Aerosols18
- The Level of External Noise of Tractor19
- The Level of Internal Sound of Tractor19
- The Level of Vibrations on Driver´s Seat19
- Aggregation Tractor - Machine/Trailer19
- Tractors Equipped with Front End Loader20
- Principles for Operating Tractors Equipped with Front End Loader21
- Zetor Tractors Used for Work in the Woods22
- Safety Labels22
Preventive Daily Service24
- Preventive Daily Maintenance24
- Fuel System Leaks24
- Engine Oil Level24
- Cooling System24
- Liquid Brakes25
- Trailer Brakes25
- Hydrostatic Steering25
- Air Cleaner25
- Cab Filtration26
- Hitches26
- Inspection of Fouling of Coolers26
- After Work with Front Implements and in Case of Cooler Clogging26
- Tyres and Wheels27
- Short Functional Test27
Acquaintance with Tractor28
- Safety Cab28
- Opening Doors from the Outside28
- Opening the Door from the Inside28
- Rear Window29
- Side Window29
- Emergency Exits29
- Sun Screen29
- Shelf30
- Tools Box30
- Right Rear Panel30
- Internal Lighting30
- Rear View Mirrors31
- Aggregation Opening31
- Passenger´s Seat31
- Driver's Seat Mars Svratka32
- Driver's Seat Sears33
- Driver´s Seat33
- Tilt Steering Wheel34
- Tilting and Protrusion of Steering Wheel34
- Heating Control Panel, * Air-Condition35
- Heating Valve Control (A)35
- Switch Air-Condition (C)35
- Air Circulation in Cabin Control (D)36
- Proper Function of the Heating and Air-Condition System36
- Fast Heating of the Cabin Area36
- Fast Cooling of the Space of the Cabin36
- Operation of Heating or Air-Condition with Tractor´s Work37
- Immediately after Cooling the Cabin37
- Air-Condition and Heating Registers (A)37
- Front Windshield (B) Defrosting38
- Air Filter with Active Carbon38
- Control Panel on Right Cab Pillar39
- Wiper and Washer of the Front Window39
- Front Wiper Speed Switch39
- Rear Window Wiper40
- Washer Nozzle40
- Windshield Washer Tank40
- Panel of the Instrument Panel41
- Lights Switch42
- Switch of Warning Lights42
- Lights Switch between the Grill and the Cabin42
- Direction Lights, Lower Beam Head Lights, Head Lights and Horn Switches42
- Front Wheel Drive Switch43
- Push Button of Rear, Front Differential Locks43
- Switch Box43
- Switch Box Key in the Position (0)44
- Switch Box Key in the Position (I)44
- Switch Box Key in the Position (II)44
- Manual Throttle44
- Pedals and Levers45
- Reversing Lever45
- Gear Shifting Lever45
- Gear Shifting Scheme45
- Road and Reduced Speeds Shifting Lever46
- PTO Selection Control Lever46
- Lever of Shifting of Speed 540 (or 540E) and 1,000 Rpm of the Rear Output Shaft46
- Lever of Hand Brake and Hitch for Single-Axle Trailer46
- Battery Disconnector47
- Fuel Tank47
- Fuel Tank Drain Plug47
- Urea Tank48
Instrument Panel50
- Instrument Panel - Signal Lamps50
- Instrument Panel - Instruments51
- Instrument Panel - Buttons51
- Display Description52
- Change of the Look of Display52
- Change in the Display Contrast52
- Display - Change of Display52
- The Average Speed and the Fuel Consumption of the Tractor56
- Display - Resetting Data56
- Display - Manual Brake57
- Display - Indicator of Service Inspection Intervals57
- Exceeding the Service Interval57
- Zeroing (Reset) of the Indicator of Service Inspection Intervals58
- Error Signalling58
- Display - Error Messages59
- Description of the Display of Error Messages59
- Symbols of Tractor Nodes60
- Display - Service Menu60
- Service Menu60
- Display - History of Defects61
- Display - Setting Language Mutation61
- Display - Setting and Calibration62
- Travel Speed Calibration62
- Setting of the Display of the Rear PTO Shaft Speed63
- Setting of Time64
- System of Treatment of Exhaust Gases - Setting65
- Instrument Panel - Warning66
- Replenish Fuel66
- Add Urea66
- High Temperature of the Cooling Liquid67
- High Oil Temperature in the Gearbox67
- Full Pushing Filter of the Gearbox Distributor68
- Full Pushing Filter of the Hydraulics68
System of Additional Treatment of Exhaust Gases70
- Conditions for DPF Operation71
- Error Signalling of DPF System72
- Conditions for SCR System Operation72
- Urea (Aqueous Urea Solution aus 32, DEF)73
- Principles for Safe Handling of Urea (aus 32, DEF)73
- Error Signalling of SCR System74
- Indication of Amount of Urea in the Tank74
- Indication of DPF and SCR Errors on the Display of the Instrument Panel75
- Reduction of the Engine Power and Engine Revolutions76
- Signalling of Whether DPF Is Full77
- Long-Term Shutdown of Tractor77
- Repairs and Maintenance of the System of Additional Treatment of Exhaust Gases77
- System of Treatment of Exhaust Gases - Setting78
- Automatic Regeneration of the Diesel Particulate Filter - EAT REGENERATION AUTO78
- Inhibition of Regeneration of the Diesel Particulate Filter - EAT REGENERATION INHIBIT79
Operation80
- Before You Start the Engine80
- Non-Permitted Starting80
- Coolant Heater80
- Starting the Engine While Using Coolant Heater81
- Starting the Engine81
- If Engine Does Not Start82
- Ignition System Failure Signalization82
- Immediately after Start82
- Engine Heating83
- Error Signalling83
- Indication of the Limitation of the Engine Power and Engine Revolutions83
- Diesel Particle Filter84
- Filter of Solid Particles - Indication of Operation and Failures of the System84
- Diesel Particle Filter Regeneration85
- Gear Shifting86
- Reversing Lever86
- Reversing Lever Position Signalization86
- Driver´s Seat - Safety Switch87
- Shifting Road and Reduced Speeds87
- Gear Shifting from Lower to Higher Gears87
- Gear Shifting from Higher to Lower Gears87
- The Principles of Appropriate Use of Tractors88
- The Description of the System of Travel Clutches88
- The Way of Controlling the Travel Clutch by88
- The Differences in Ways of Controlling the Travel Clutch by88
- Interrupted Sound Signal89
- Dead Start of the Tractor89
- Dead Start of Tractor in Regular Operation - Automatic Dead Start Function89
- Dead Start of Tractor in Regular Operation - Clutch Pedal89
- Dead Start - Using the Clutch Pedal90
- Change the Direction of Drive90
- Change the Direction of Drive by Means of Reversing Lever90
- Change the Direction of Drive - Using the Clutch Pedal91
- Gear Shifting91
- Gear Shifting - Using the Clutch Pedal91
- Gear Shifting - Using the Clutch Control Button on the Head of Gear Shifting Lever91
- Blocking the Automatic Dead Start Function91
- Three-Gear Torque Multiplier91
- Indication of the Multiplier Function92
- Increasing, Decreasing the Travel Speed by Two Gears92
- Multiplier Preselection Switch92
- Automatic Multiplier Shifting93
- Travelling up the Slope94
- Travelling down the Slope94
- Differential Lock94
- Control of Front Driving Axle95
- Driving with Engaged Front Driving Axle95
- Foot Brakes95
- Air Brakes of Trailers and Semi-Trailers96
- Warning Indication of Air Pressure Drop96
- One-Hose and Two-Hose Brakes96
- One-Hose Brakes96
- Two-Hose Brakes97
- Hydraulic Brakes of Trailers97
- Connecting and Disconnecting Quick Couplings of Trailer Hydraulic Brakes97
- Stopping the Engine98
- Leaving the Tractor98
- Warning Signalization of Hydrostatic Steering Failure98
- Important Warnings99
Running-In the Tractor100
- General Principles of New Tractor Run-In in First 100 Hours of Operation100
- In First 10 Hours of Operation100
- From 100 Hours of Operation100
Transport Use102
- Front Hook102
- Multistage Adjustable Suspension102
- Height Adjustment and Disassembly of the CBM Stage Hitch102
- Automatic Mouth of the CBM Stage Hitch103
- Modular System of Hitches for Trailers and Semi-Trailers103
- Swinging Draw-Bar Console Module103
- Swinging Draw-Bar Console with a Fixed Pin Module103
- Console with a Ø 80 Ball Module104
- Towing Bar104
- Hitch for a Single-Axle CBM Semi-Trailer104
- Coupling of a Single-Axle Trailer104
- Uncoupling of a Single-Axle Trailer105
- Hook of the Mounting for a Single-Axle Trailer105
- Coupling with a Trailer or Semi-Trailer105
- Maximum Permissible Vertical Static Load of Hitches for Trailers and Semi-Trailers106
Pto Drive of Agricultural Machines108
- Work with PTO Shaft108
- Front and Rear PTO Shaft Control108
- Display of Revolutions of the PTO Shaft109
- Replaceable End Points of Rear PTO Shaft110
- Facilitating Connection of Joint Shaft of an Aggregated Machine to the Tractor110
- Switching on the Rear PTO Shaft - Independent Revolutions111
- Switching on the Rear PTO Shaft - Dependent Revolutions111
- Front PTO Shaft112
- Maximum Transferred Output112
- Drive of Machines with Greater Inertia Masses112
Hydraulic System114
- Hydraulics Control Panel114
- Amount of Oil Taken from Outer Hydraulic Drives115
- Connecting and Disconnecting Quick-Couplers115
- Quick-Couplings with Drip Collection115
- Connecting Machines and Tools to External Hydraulic Circuit116
- Front Outlets of the External Hydraulic Circuit116
- Control of the External Hydraulic Circuit Front Outlets117
Mechanical Hydraulics118
- Ways to Regulate Inner Hydraulic Circuit118
- Controlling the Inner Hydraulic Circuit118
- Free (Floating) Position119
- Adjustable Stop119
- Three-Point Hitch Lowering Speed Control119
- Hydraulic System Sensitivity Control119
- Position Regulation of the Lifting of the Rear Three-Point Hitch120
- Power Regulation of the Lifting of the Rear Three-Point Hitch121
- Mixed Regulation of Lifting the Rear Three-Point Hitch121
- Exterior Rear Hydraulic Arms Controls122
- Outer Hydraulic Circuit122
- Outer Hydraulic Circuit Controls123
- Locking Control Levers123
- Different Functions of Outer Hydraulic Circuit Control Levers124
Electro-Hydraulic System126
- Control Element Functions126
- Equipment 'OFF126
- Blocking Cancellation127
- Quick Sinking127
- Transport of Implements128
- Stop Position128
- Vibration Compensator (Damper)128
- Limitation of the Upper Position of the Three-Point Hitch129
- Lowering Speed129
- Free Position129
- Setting the Control of Three-Point Hitch129
- Manual Setting of Control of Three-Point Hitch130
- Automatic Control of Three-Point Hitch130
- Using the Rear Control131
- External Control Buttons of the Electro-Hydraulic System131
- Indication of EHR-B Errors132
- Description of Minor Errors of the EHR-B Electro-Hydraulic System133
- Outer Hydraulic Circuit134
- Outer Hydraulic Circuit Controls134
- Locking Control Levers134
- Different Functions of Outer Hydraulic Circuit Control Levers135
Hitches138
- Rear Three-Point Hitch138
- Safety Principles of Working with the Three-Point Hitch138
- Height Adjustment of the Lifting Draw-Bars139
- Fixed and Free Position of the Lower Hydraulic Draw-Bars139
- Limiting Draw-Bars139
- Upper Pull Rod140
- Selection of Holes in the Bracket140
- Lower Draw Bar with Slipping out End Pieces141
- Lower Draw Bar with CBM Hooks141
- Securing Lower Draw Bars with CBM Hooks141
- Front Three-Point Hitch141
- Controlling Front Three-Point Hitch142
- Adjusting the Lowering Rate of the Front Three-Point Hitch142
- Hydraulic Lock of the Front Three-Point Hitch142
- Working and Transport Position of the Front Three-Point Hitch143
- Driving with Agricultural Machines Attached to the Front Three-Point Hitch143
Wheel Tread Change144
- Change of Front Wheels Track with Front Drive Axle144
- Gauges of the Front Wheels of the Front Drive Axle of the Tractors Equipped with Screwed Footer Discs144
- Possible Adjustable Tracks of the Front Wheels of the Front Driving Axle of the Tractors144
- Front Wheels Track of Front Drive Axle in Tractors Equipped with Non-Removable Discs145
- Front Wheels Toe-In145
- Adjustment of Toe-In of the Wheels of the Front Driving Axle146
- Setting Wheel Stops with Front Drive Axle146
- Front Drive Axle Fenders147
- Rear Wheels Wheel Track147
- Gauges of the Tractor Rear Wheels Equipped with Screwed Footer Discs147
- Rear Wheel Track Change148
- The Gauges of the Tractor Rear Wheels Equipped with Solid Discs148
Additional Weights150
- Weights in Front of the Bonnet Mask150
- Weights of the Front Three-Point Hitch150
- Weights of Rear Wheels150
- Valve for Filling Tyre Tubes with Liquid150
- Chocking of Front Wheels151
- Procedure of Filling the Tyres with Liquid151
- Procedure of Draining Liquid from the Tyres152
- Antifreeze Solution for Tyre Filling152
Electric Installation154
- Basic Service Information154
- Accumulator Battery154
- Battery Disconnector155
- Accumulator Battery Maintenance155
- Alternator156
- Alternator Maintenance156
- Electric Installation Overload156
- Fuse Panel157
- Checking the Adjustment of the Front Grill Headlights159
- Adjusting the Front Grill Headlights159
- Checking the Adjustment of the Cab Roof Headlights160
- List of Lamps160
Tractor Maintenance162
- Service Inspections162
- Steps Performed Daily before the Start of Work162
- Steps Performed Every 50 Hours of Work162
- Steps Performed Every 100 Hours of Work162
- Steps Performed Every 500 Hours of Work162
- Steps Performed Outside the Interval of 500 Hours of Work163
- Monthly Performed Actions163
- Filling and Filter Replacement164
- Fuels, Coolants and Lubricants Used - Amounts165
- ZETOR Service Fillings165
- Motor Oils165
- Oil in the Gearbox and Final Drivehousing165
- Oil in the Rear Axle Gantries165
- Oil for the Front Driving Axle165
- Oil for the Hydrostatic Steering of the Tractors165
- Specification of Oils for Zetor Engines Equipped by Diesel Particle Filter165
- Specification of the Oil for the Gearbox Housing and the Final Drive Housing165
- Specification of the Oil for the Portals166
- Specification of Oil for the Front Driving Axle166
- Specification of Oil for the Tractor Hydrostatic Control System166
- Other Recommended Service Fillings Tested on Zetor Tractors166
- Oils for Zetor Engines Which Are Equipped with Diesel Particle Filter166
- Oil in the Gearbox and Final Drivehousing166
- Oil in the Rear Axle Gantries167
- Oil for the Front Driving Axle167
- Oil for the Hydrostatic Steering of the Tractors168
- Front PTO Oil168
- Plastic Lubricant for the Tractor168
- Hydraulic Brake Liquid for the Tractors169
- Liquid for the Cooling System of the Tractors169
- Fuel for Zetor Engines Which Are Equipped with Diesel Paricle Filter169
- Urea (Urea Solution aus 32)169
- Tractor Greasing Plan170
- Safety Instructions for Lubrication of the Tractor170
- Solid Front Drive Axle170
- Hitch for a Single-Axle Semi-Trailer170
- Front Three-Point Hitch170
- Three-Point Hitch171
- Hitch Mouth for a Trailer171
- Upper Linkage Bracket171
- Technical Maintenance of the Tractors after a General Overhaul of the Main Groups171
Maintenance Instructions172
- Front Bonnet Opening172
- Checking Oil Levels in Engine172
- Draining Oil from Engine172
- Replacing Full-Continuous Motor Oil Filter173
- Pouring Oil to Engine173
- Fuel Filter Element Replacement173
- Fuel System Venting174
- Replacement of Carter Exhaust Oil Separator Filter Element174
- Maintenance Instruction of Dry Air Filter174
- Main Air Filter Element Regeneration175
- Replacing Dry Filter Locking Element175
- Back Assembly of Air Filter Elements175
- Checking Amount of Oil in Hydrostatic Steering Tank175
- Replacing Oil and Hydrostatic Steering Filter Element176
- Venting Hydraulic Circuit of Hydrostatic Steering177
- Replacing the Hoses of Hydrostatic Steering177
- Replacing Coolant178
- Check and Replacement of Oil in Gearbox, Axle Drive and Rear Axle Portals178
- Drainage and Inspection Holes179
- Changing Suction Filter179
- Replacement of the Transmission Oil Cleaner Element with Hydraulic Pump Suction Filter180
- Gearbox Distributor - Replacement of Oil Cleaner Cartridge180
- Front PTO180
- Filling, Controlling and Draining Hole of Oil of Front Drive Axle181
- Filling, Controlling and Draining Hole of Oil of Front Wheels Reducers181
- Brake Fluid Replacement181
- Cleaning the Heating Filters182
- Air Filter with Active Carbon182
- Carbon Filter Installation Instructions182
- Air-Conditioning Maintenance183
- Draining Condensate from the Air Reservoir183
- Checking the Air Systems for Leaks183
- Working Pressure of Air Brakes184
- Maintenance and Treatment of Tyres184
- Storing the Tractor184
- Diesel Particle Filter Maintenance184
Adjustment186
- Cogged Belt Tension186
- Bleeding of Tractor Brake System186
- Bleeding of Pressure Air Brake System for Trailers187
- Bleeding of Rear Wheel Brakes187
- Bleeding of the Brake System of Front Driving Axle188
- Bleeding the Hydraulic Brakes of a Trailer188
- Check and Adjustment of Service and Parking Brakes189
- Service Brake Adjustment190
- Parking Brake Adjustment190
- Adjustment of Free Travel of Brake Pedals191
- Adjustment of Hitch for Single-Axle Trailers191
- Adjustment of Bowden Cable191
Main Technical Parameters192
- Main Tractor's Parameters (MM)192
- Technical Data of Engines193
- Permitted Maximum Load of Front Axle (Kg)194
- Permitted Maximum Load of Rear Axle (Kg)194
- Permitted Maximum Weight of Set 'Tractor + Mounted Machine' (Kg)194
- Manoeuvrability Condition194
- Front Tires Steerability195
- Change of the Load-Bearing Capacity of the Front Tyres (%)195
- Bearing Capacity of Rear Tires196
- Change of the Load Capacity of the Rear Tyres (%)198
- Permitted Combinations of Wheels for Tractors198
- Performance on Rear PTO Shaft198
- Lifting Force of the Three-Point Hitch198
- Tensile Force199
- Forward Travelling Speed of the Tractor - 40 Km/H199
- Backward Travelling Speed of the Tractor - 40 Km/H200
- Rear Independent PTO Shaft Rotation200
- Speed of the Zuidberg Front PTO201
- Clearance-Circle and Turning Circle Diameter201
- Calculation of Tractor Load Limit202
Index206

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