Tractor Maintenance; Service Inspections; Steps Performed Daily Before The Start Of Work; Steps Performed Every 50 Hours Of Work - Zetor FORTERRA HSX 120 Operator's Manual

TRACTOR MAINTENANCE

Service inspections

Service inspections are performed as follows:
The first service inspection at the state of the engine hour counter of 100 EH maximum, but not later than
6 months after commissioning of the tractor. The second service inspection after covering another 400 EH
(at the state of the engine hour counter of 500 EH maximum) but not later than 12 months after the first
service inspection. Next service inspections always after covering another 500 EH but not later than 12
months after the previous service inspection. The service inspections are a part of tractor maintenance. The
services authorized by Zetor will provide professional performance of service inspections according to the
manufacturer's instructions.
Note: For engines meeting the stage IV emission limit, one operating hour (Mth) is equal to one hour during
which the engine is operation.

Steps performed daily before the start of work

Prior to starting the engine
Checking the tightness of the fuel system
Checking the oil level in the engine
Checking the amount of the cooling liquid and tightness of connections in the cooling system
Inspection of fouling of coolers
Checking the oil level in the gearbox and final drive housing
Checking the air pressure in all tyres
Checking the tightening of wheels
Checking the state of the tractor-drawn and connecting equipment
When the engine is started
Checking the function of engine lubrication (signal lamp)
Checking the function of charging (signal lamp)
Checking the function of driving (signal lamp)
Checking the function and tightness of the control circuit
Checking the function and efficiency of the tractor brakes
Checking the function and efficiency of the trailer or semi-trailer brakes

Steps performed every 50 hours of work

Lubrication of the tractor according to the lubrication schedule
Inspection of fouling of the cabin filter elements

Steps performed every 100 hours of work

Operations performed every 50 Mth.
Cleaning the radiator fins with air pressure
Maintenance of dry air filter (daily when working with front-mounted implements and in a dusty environment)
Check of the oil level in the transmission and transaxle housing
Check of the amount of oil in the front PTO gear housing
Check of the oil level in the reducers and in the front drive axle housing
Draining condensate from the air reservoir
Cleaning the battery terminals and their lubrication with a thin layer of lubricant

Steps performed every 500 hours of work

Steps performed every 100 hours of work
Check the tension of V-belts
Check the whole hydrostatic steering system for play
Check the front axle pin for play
Check the play adjustment of the clutch and brake pedals
Check the function of the parking and foot brake
Check the function of the brakes for the trailer
Check the tightness and function of the pressurized air system
Check the function of the driver's seat, lubricate the movable parts with grease
Calibration of the stops of the injection pump
Inspection whether there is a current software in control units.
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