Zetor PRIMO HT 20 NC Operator's Manual page 6

Check and Change of Engine Coolant ........................................................................................................ 95
Cleaning the Radiator and Radiator Grilles ................................................................................................. 96
Oil Check and Replacement ........................................................................................................................ 96
Engine Oil and Replacement ....................................................................................................................... 96
Transmission Fluid Check and Change ...................................................................................................... 98
Front Axle Oil Check and Change ............................................................................................................. 100
Filter and Element Replacement ............................................................................................................... 101
Transmission Fluid Filter Element Replacement ....................................................................................... 101
Cleaning the Transmission Fluid Dirt Trap ................................................................................................ 101
Oil filter Element Replacement .................................................................................................................. 102
Fuel System ............................................................................................................................................... 103
Check and Cleaning of the Air Filter .......................................................................................................... 104
Vacuum Valve Cleaning ............................................................................................................................ 104
Air Filter Cleaning ...................................................................................................................................... 104
Air Filter Replacement ............................................................................................................................... 104
Lubrication Points ...................................................................................................................................... 105
Lubricating Arm ......................................................................................................................................... 105
Hoses Check ............................................................................................................................................. 105
Electric System Check ............................................................................................................................... 105
Battery Check and Charging ..................................................................................................................... 105
Recharge ................................................................................................................................................... 106
Starting with an External Battery ............................................................................................................... 106
Electric Connection Check ........................................................................................................................ 107
Fuse Check and Replacement .................................................................................................................. 107
Fuse Box .................................................................................................................................................... 107
High Capacity Fuse (50 A) ........................................................................................................................ 108
Light Bulb Replacement ............................................................................................................................ 108
Check and Adjustment of Parts ................................................................................................................. 109
Check and Adjustment of Brake Pedal ...................................................................................................... 109
Brake Pedal Play ....................................................................................................................................... 109
Check and Adjustment of the Fan Belt ...................................................................................................... 110
Check of Fuel Hose (Main Fuel Filter) ....................................................................................................... 110
Check of Air Filter Hose ............................................................................................................................. 111
Check of Radiator Hose ............................................................................................................................ 111
Tire Inflation Pressure ............................................................................................................................... 112
Checks and Service ................................................................................................................................... 113
General Information ................................................................................................................................... 113
Periodical Check and Service Table ......................................................................................................... 114
Fuel, oil and fluid specification diagram. ................................................................................................... 115
Recommended ZETOR service fillings ..................................................................................................... 116
Storage and disposal ................................................................................................................................... 117
Tractor Storage .......................................................................................................................................... 117
Short-term Storage .................................................................................................................................... 117
Long-term Storage ..................................................................................................................................... 117
Use after a Long Downtime ....................................................................................................................... 118
Use and Disposal ...................................................................................................................................... 118
Troubleshooting ........................................................................................................................................... 119
Engine Faults ............................................................................................................................................. 119
Engine Faults ............................................................................................................................................. 120
Engine Faults ............................................................................................................................................. 121
Brake system faults ................................................................................................................................... 122
Steering system faults ............................................................................................................................... 122
Hydraulic system faults .............................................................................................................................. 123
Electrical system faults .............................................................................................................................. 124
Appendix ....................................................................................................................................................... 125
Index ............................................................................................................................................................... 129
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