Belarus 1025/1025.2/1025.3
Section I. Possible malfunctions
I6
Malfunction, symptom
Correction method
Insufficient magnitude of torque transmitted
by coupling due to oil leakage in the
hydraulic system:
•
drive coupling slippage
Replace rings. Check and adjust pressure in
transmission hydraulic system to 0.9... 1.3
MPa (9...13 kgf/cm
2
).
•
Wear of rubber sealing rings; Replace rings.
•
Wear of piston and coupling drum rings; Replace rings.
•
Wear of coupling surfaces “shell-drum Replace worn out parts
hub”, “drum-piston”
FDA drive doesn’t function in the automatic mode
Disturbed adjustment or failure of
Adjust position of the automatic sensor
automatic switch on sensor
switch or replace it
Increased noise and heating in the main gear zone
Play in bearings of main gear pinions
Adjust pinions’ bearings.
Wrong engagement of main gear pinions
Check and, if necessary, adjust
engagement by contact spot.
Noise at maximum angle of wheels turn
Wrong mode of FDA operation. FDA
Check the switching mode of FDA and set
operates in the forced mode.
switch to position ‘Switched on” or
«Automatic».
Wrong extreme angle of wheels turn
Check and make adjustment.
*Knock in the pivot during movement
Disturbed adjustment of pivots’ bearings
Check and make adjustment
Knock in FDA during sharp wheels turn
Plays in pins of steering tie-rod
Check and make adjustment,
turning cylinders.
Lubrication leakage through the cup of main gear flange
Wear or damage of flange cups
Replace worn out parts.
Lubrication leakage through breathers of wheel reduction gears
High oil level.
Check and set correct level.
•
for tractors BELARUS-1025.2/1025.3