Belarus 1523, Operating Manual

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BELARUS- 1523/1523В /1523.3 /1523В.3 Troubleshooting
230
Trouble, symptoms Remedy
panel and to the bracket on the hydraulic lift.
The lift linkage without load fails to move upwards or moves in jerks, on engaging
the distributor, the pump “squeals”:
Insufficient quantity of oil in the hydraulic
system.
Make sure that the oil tank contains oil, if
necessary, replenish oil.
Spontaneous movement of the draft or position handle on the panel:
The pressure of the friction washers on the
bracket in the panel is loosened.
Adjust the spring pressure by means of the
nut on the bracket axle until the defect is
eliminated.
Electric equipment
Low degree of charging of the storage battery:
The intermediate resistance between the
terminals of the storage battery and wire
lugs is increased due to loosening and oxi-
dization.
Dress the connecting terminals, tighten the
contact parts and lubricate them with tech-
nical petroleum jelly. Tighten the fastening
of the battery disconnect switch and bridge.
The alternator is faulty (no voltage at the “+”
and “ Д ” terminals).
Remove the alternator and send it to the
workshop for repair.
The storage battery if faulty. Replace the storage battery.
Slipping of the driving belt. Adjust the tension of the alternator drive belt
(see Section “Scheduled Maintenance”).
The storage battery “boils” and requires frequent addition of distilled aqua:
The storage battery if faulty. Replace the storage battery.
When the starter is switched on, the engine crankshaft does not rotate or rotates
very slowly:
The storage battery terminals are loosely
tightened or wire lugs are oxidized
Dress the lugs and tighten up the terminal
clamps.
The storage battery has been exhausted
below the allowable limit.
Charge or replace the storage battery.
The commutator and brushes have got
fouled.
Dress the commutator and the brushes.
Poor contact between the brushes and the
commutator.
Remove the starter from the engine, dress
the commutator, eliminate the wedging of
the brushes in their box-guides or replace
them, if worn-out.
Maladjustment of the solenoid starter
switch.
Adjust the switch.
The engine start interlock device has oper-
ated or its switch is faulty.
Set the GB levers to the neutral position and
check the operability of the switch. If neces-
sary, adjust the switch position by means of
adjusting shims.
The engine is not prepared for starting at
the temperature of below + 5 ° C.
Prepare the engine for starting at low tem-
peratures.
After starting the engine the starter remains in the ON state:
The starter power disk is tacked to the
starter relay contact bolts.
Stop the engine, disconnect the storage bat-
tery and dress the contacts of the solenoid
starter switch.
The drive pinion does not get out of mesh
with the flywheel rim due to breakdown of
Replace the return spring of the release
lever.