Maintenance Instructions - Zetor 8621 Forterra turbo Operator's Manual

Driver alone can do almost any work on
planned technical maintenance. If you
donřt have sufficient technical equipment
let to do more complicated work in the
authorized service
Any work in connection with
cleaning, lubrication and adjust-
ment of tractor or implemented
machine must be done only after
stopping the engine and the
other moving parts, except in-
spection of brake and charging .

MAINTENANCE INSTRUCTIONS

Disassembling the side shield ................................................................................. 165
Tilting the hood........................................................................................................ 165
Disassembling the front grill .................................................................................... 165
Lubrication schema of turbocharged engine ........................................................... 166
Lubrication schema of six cylinder engine .............................................................. 167
Inspecting the engine oil level ................................................................................. 168
Draining the engine oil ............................................................................................ 168
Changing the full-flow cleaner of engine oil ............................................................ 168
Filling the engine oil ................................................................................................ 169
Changing the fuel cleaner cartridge ........................................................................ 169
Changing the fuel course cleaner ........................................................................... 169
Bleeding the fuel system ......................................................................................... 170
Maintenance of air cleaner ...................................................................................... 170
Regeneration of main air filter element ................................................................... 171
Changing the safety element .................................................................................. 171
Reassembling the elements .................................................................................... 171
Position of dust valve .............................................................................................. 172
Tightness of cleaner ................................................................................................ 172
Changing the cleaner element of hydrostatic steering ............................................ 173
Bleeding the hydrostatic steering system ................................................................ 174
Changing the hoses of hydrostatic steering ............................................................ 175
Changing the coolant .............................................................................................. 176
Changing and inspecting the transmission oil ......................................................... 177
Draining openings and plugs................................................................................... 177
After draining the oil ................................................................................................ 177
Lubricating and filling points of front driving axle .................................................... 178
Gearbox of front PTO .............................................................................................. 178
Filling up the brake fluid .......................................................................................... 179
Sprung knees of front axle ...................................................................................... 179
Cleaning the heating filters...................................................................................... 180
Maintenance of airconditioning ............................................................................... 180
Draining the condensed water from air tanks .......................................................... 181
Checking the leakage of air system ........................................................................ 181
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