BELARUS-1021/1021.3
Operating manual
125
Trouble, its manifestation
Remedy
9 Starter
9.1 When the starter is turned on, the engine crankshaft does not rotate or rotates very slowly
Weak tightening of the battery terminals or
oxidized wire terminals.
Clean the terminals and tighten up the
terminals.
Battery discharge lower than the allowable
threshold.
Recharge or replace the battery.
Poor contact of the brushes with the
commutator. Wear of the brushes exceeds the
allowable.
Remove the starter from the engine, clean the
commutator, remove hanging of the brushes or
replace them if they are worn out.
In the starter relay, burned surfaces of the
contact bolts and the contact plate, getting in
contact when activated.
Clean the starter relay contacts or install the
contact screws into the nests on the cover,
turning around the axis by 180°, and install the
contact plate set upside down.
Faulty starter drive.
Replace the starter drive.
Engine start lock device operated or its
switch faulty
Shift the gear shifter to its neutral position.
If after this no start occurs, check operability
of the start lock switch and its electrical
circuits.
Engine not prepared for start at temperature
below 5°C.
Prepare the engine to start at low
temperatures.
9.2 After engine start, the starter remains on:
Contact plate welded to the contact bolts of
the starter switch.
Clean the starter relay contacts or install the
contact screws into the nests on the cover,
turning around the axis by 180°, and install the
contact plate set upside down.
9.3 Starter armature rotates at high speed without cranking engine crankshaft
Broken teeth of the flywheel rim.
Replace the flywheel rim.
Faulty starter drive.
Replace the starter drive.
9.4 Starter switch operates with erratically (turns on starter and immediately turns off)
Broken hold-in winding of the switch.
Replace the starting relay
Storage battery discharged
Recharge or replace the battery.
9.5 Drive pinion systematically does not engage with flywheel rim during normal operation of
switch
Butt wear of form-relieved part of flywheel
rim.
Relieve the rim teeth or replace the flywheel
rim.
Jamming drive pinion on the rotor shaft due
to the lack or poor lubrication.
Clean the drive and the shaft of the old
grease; apply grease CIATIM-201/203/221.
Butt wear of form-relieved part of drive gear
rim.
Relieve the teeth or replace the drive.
Содержание 1021
Страница 1: ...BELARUS 1021 1021 3 1021 0000010 OM OPERATING MANUAL Minsk Tractor Works 2010 ...
Страница 16: ...BELARUS 1021 1021 3 Operating manual 15 The transmission number Front driving axle number Cab serial number ...
Страница 107: ...BELARUS 1021 1021 3 Operating manual 106 Fig 6 9 2 Determining maximum allowable torque Power kW hp Speed rpm Torque Nm ...
