Troubleshooting - Belarus -1523 Operating Manual

BELARUS-1523/1523В/1523.3/1523В.3
Trouble, symptoms
the release lever spring.
The solenoid valve of the engine start assisting facilities does not operate:
Poor contact in the electromagnet coil cir-
cuit.
Slipping or excessive tension of the alterna-
tor drive belt.
For the tachospeedometer troubleshooting see Section "Drive Controls and Instrumenta-
tion".
System of heating and air cooling in the cab
No water circulation through the heating unit:
The tap on the cylinder block head is
closed.
Ice plugs in the heater hoses.
The heater fan does not operate.
Water leakage in the heater radiator.
Water leakage in the connections of the
heater system.
Air leakage from the pneumatic system:
• The nuts of the pipelines, fittings and bind-
ing screw clamps are loosened or dam-
aged.
• The rubber seal of the connecting head is
damaged.
• The nut of the O-ring of the connecting
head has been loosened.
• Penetration of dirt under the connecting
head valve.
• Contact of the dirt-protection cover with
the stem of the connecting head valve.
• Maladjustment of the valve actuator.
• The operation of the pressure regulator
and brake valve is disturbed.
Alternator noise:
Electric tachospeedometer
No warm air is fed to the cab
High humidity of the air passed to the cab:
Pneumatic system
Pressure in the receiver builds up slowly:
The pressure in the air bottle rises slowly:
Check the circuit and tighten the wire fas-
tening contacts.
Remove the alternator and send it to the
workshop for repair. Adjust the tension of
the alternator drive belt.
Open the tap.
Break ice and pass hot water through the
hoses.
Remove the fan fault and check the electric
circuit for switching on the fan.
Eliminate the leakage or replace the radia-
tor.
Tighten the buckles.
Detect the places of leakages and eliminate
them by tightening the connections or re-
placement of the damaged parts.
Replace the damaged seal.
Tighten the nut.
Clean the valve.
Eliminate the contact.
Perform the adjustment (see Section "Con-
struction and Operation of Tractor Compo-
nents", item "Checking and Adjusting the
Brake Valve of the Pneumatic System and
Its Actuator").
Remove the pressure regulator and brake
valve and send them to the workshop for
repair.
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Troubleshooting

Remedy