Belarus 892 - Page 286

892-0000010B OM
286
Table 7.1.1 finished
Defect, external manifestation,
cause
Way of elimination
When activating the starter the engine crankshaft does not turn through or
rotates too slow
Poor tension of storage battery termi-
nals, or oxidation of wiring tips.
Dress tips and tighten terminals
Storage battery discharged below al-
lowable limit
Charge or replace storage battery
Poor contact of brushes with collector Dismount starter from diesel, dress the
collector, correct hang up of brushes or
replace them, if they are worn out
Manifold and brushes are dirt
y
Clean the manifold and brushes
Poor contact of brushes with collector.
Brushes are worn out more than al-
lowed.
Dismount starter from diesel, dress the
collector, correct hang up of brushes or
replace them, if the
y
are worn out
In the starter relay, surfaces of contact
bolts and contact plate that get in con-
tact during engagement, have burnt
Clean the contacts of starter relay or set the con-
tact bolts in cover seats by turning around the axis
by 180°, and reset the contact plate with the other
side
Starter drive failed
Replace the starte
r
drive.
After diesel start starter remains in the engaged position
Contact plate has welded to contact
bolts of starter relay
Stop the engine, disengage the battery, then strip
the contacts of starter relay or set the contact
bolts in cover seats by turning around the axis by
180°, and reset the contact plate with the other
side
Starter armature rotates with high frequency without turning the engine
crankshaft
Ru
p
ture of fl
y
wheel crown co
g
s Re
p
lace the fl
y
wheel crown
Starter drive is out of orde
r
Re
p
lace the starter drive
Rou
g
h runnin
g
of starter rela
y
(
it en
g
a
g
es and instantl
y
disen
g
a
g
es the starter
)
Ru
p
ture of fl
y
wheel crown co
g
s Re
p
lace the fl
y
wheel crown
Starter drive is out of orde
r
Re
p
lace the starter drive
Drive gear keeps failing to mesh with the flywheel crown with the normal
rela
y
o
p
eration
Face wear of relieved part of flywheel
toothed rin
g
Relieve the flywheel teeth or replace the flywheel
rin
g
Sticking of drive gear on rotor shaft due
to insufficient or missin
g
g
rease
Clean the drive and shaft from oil grease; apply
g
rease TSIATIM-201/203/221
Face wear of relieved part of drive gear
toothed rin
g
Relieve the teeth or replace the drive
V
oltmeter does not show the charge after engine start and further on during
o
p
eration time
If the relevant electrical circuits of elec-
trical equipment (Annex A) are in good
order, it means that the alternator is
fault
y
Remove the alternator and send it to a repair workshop
The alternator does not
g
enerate full power
The alternator is out of orde
r
Remove the alternator and send it to a re
p
air worksho
p
Accumulator batter
y
overchar
g
es on a re
g
ular basis
A
lternator voltage regulator is out of or-
de
r
Remove the alternator and send it to a repair workshop
Noise of generator
Slipping or extreme tension of generator
belt.
Adjust tension of generator drive belt.