Belarus 921.6 Operator's Manual page 181

End of Table 6.7.1
Malfunction, evidence, reason
Noise when the wheels are at maximum turn angle
Incorrect mode of FDA operation.
The FDA operates in forced mode.
Incorrect limiting angle for wheels
turning.
Incorrect adjustment of the king
journal bearings.
Knocking in FDA when wheels are turned sharply
Free play in the pivots of the steer-
ing link and steering hydraulic cyl-
inders.
Lubricant leakage through the main drive flange cup
The flange cup is worn or damaged.
Lubricant leakage through the wheel reduction gear flange cup
Increased free play in the flange
bearings.
The cup is worn or damaged.
Check the FDA drive activation mode and place
the handle into position "OFF" or "Automatic".
Check and adjust the FDA reducer turning angle.
Knocking in the king journal while moving
Check and adjust the axial preload in the king jour-
nal bearings according to instructions.
Check and adjust.
Replace worn parts.
Check and adjust the axial free play in the wheel
reduction gear flange bearings.
Replace cup.
Malfunction remedy
181
921.6-0000010 OM