BELARUS-
1523/1523В
/1523.3
/1523В.3
Troubleshooting
221
Trouble, symptoms
Remedy
sion are blocked.
No pressure in the hydraulic system:
The drive of the hydraulic system pump is
OFF.
Turn the pump ON.
Lack of oil in the transmission housing.
Add oil to the “
П” (Full) mark.
Excessive noise when shifting gears:
The clutch fails to disengage fully (the
clutch “drags”).
Adjust the clutch.
The cone surfaces of the synchronizers and
gear surfaces are worn-out.
Replace the worn-out parts.
Excessive noise:
Lack of oil in the transmission housing.
Add oil to the “П” (Full) mark.
Bearings and/or other parts of the transmis-
sion are worn-out or broken.
Replace the bearings and/or other parts as
necessary.
Rear axle
Excessive noise in the main drive:
The main drive gear meshing is misadjusted
in both spot pattern and lateral clearance.
Adjust the main drive meshing in accor-
dance with the spot pattern.
Adjust the lateral clearance in the main pair
meshing (0.25...0.55 mm).
Tapered bearings of the main drive are
misadjusted.
Adjust the bearing preload.
Low oil level in the transmission housing.
Check the oil level in the transmission hous-
ing; add the oil, if necessary.
The gear teeth are damaged.
Check the condition of the rear rings. No
presence of chips or damages (pitting) is al-
lowed. The gears with the damaged teeth
shall be replaced as a pair.
The differential lockup does not function:
The lockup clutch plate friction surfaces are
worn out.
Change the plates.
The lockup clutch diaphragm is damaged. Change the diaphragm.
Low pressure of oil fed into the lockup ac-
tuator.
Check the oil pressure applied to the lockup
clutch. It shall be 9-10
kgf/cm
2
at the oil vis-
cosity within 18...26 mm
2
/s).
Lockup control electrohydraulic valve is in-
operative.
Check safety fuses, relays and other circuit
components for operability and the slide
valve for easy and smooth travel; eliminate
the fault.
Low pressure in the hydraulic system of the transmission
Lack of oil in the transmission housing.
Add oil to the “П” (Full) mark
.
Clogging of the hydraulic system screen.
Wash the screen.
Seizure of the overflow valve in the distrib-
uting filter.
Flush the distributing filter valve.
High pressure in the hydraulic system of the transmission
Содержание 1523
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Страница 123: ...BELARUS 1523 1523В 1523 3 1523В 3 Construction and Operation 118 1 drum 2 semi clutch 3 pusher 4 shim 5 switch 6 cover ...
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Страница 172: ...BELARUS 1523 1523В 1523 3 1523В 3 Construction and Operation 161 Connecting bundles of the RHL control system ...