BELARUS-1221.2/1221
В
.2/1221.3 Possible defects and ways of their elimination
220
Defect, external manifestation
Way of elimination
Slipping of drive clutch
Check and regulate pressure in hydro sys-
tem of transmission (9...10 kilogram
force/sm
2
). Replace worn out disks.
Defects in electric line of front driving axle
control.
Determine and eliminate defects.
Insufficient size of torque being transferred by clutch because of oil leakage in hy-
dro system:
Deterioration of rubber sealing rings.
Replace rings.
Deterioration of piston rings and clutch drum; Replace rings.
Deterioration of interfaced surfaces “holder
– nave of drum”, “drum – piston”
Replace worn out details.
Drive of front driving axle does not work in automatic mode
Deterioration of adjustment or refuse from
switch of automatic switch-on gauge.
Adjust position of switch or replace it.
High noise and heating in zone of main gear
Gap in gears bearings of main gear.
Adjust bearings of gears.
Wrong gears engagement of the main gear.
Check and if it is necessary adjust interlock
on spot of contact.
Noise at maximum angle of wheels rotation
Wrong operation mode of front driving axle.
Front driving axle works in compulsory
mode.
Check mode of inclusion of FDA drive and
install switch in position “switched off” or
“automatic”.
Wrong limiting angle of wheels turn.
Check and adjust.
Bang in pivot at movement
Adjustment of pivots bearings is disturbed. Check and adjust.
Bang in front driving axle at sharp turn of wheels
Gaps in pins of steering draft and hydro cy-
linders of turn.
Check and adjust.
Dribbling of greasing through cuff of main gear flange
Deterioration and damage of flange cuff.
Replace worn out parts.
Dribbling of greasing through breathers of wheel reduction gears
Increased level of oil.
Check and adjust correct level.
Dribbling of greasing through cuff of main gear of wheel reduction gear.
Increased backlash in gears bearings.
Check and adjust.
Deterioration and damage of cuff.
Replace cuff.
Angular frictions of wheels
Axial backlash in bearings of wheel reduc-
er pivots.
Check and adjust.
Increased backlash in bearings of front
wheels.
Check and adjust backlash in flange bear-
ings.
Backlash in bearings of hydro cylinders of
hydrostatic steering.
Replace worn out details.
Increased deterioration and ply separation of front wheels tires
Adjustment of wheels convergence is dis-
rupted.
Adjust convergence as it is shown in sec-
tion “Adjustments”.
Inadequacy of air pressure in tires to rec-
ommended norms.
Maintain pressure in tires in accordance to
recommendations (see section “Aggrega-
tion”).
Front drive is constantly positively en- Check switch-on – switch-off of front driv-
Содержание 1221.2
Страница 1: ...BELARUS 1221 2 1221В 2 1221 3 1221 0000010РЭ OPERATORS MANUAL 2009 ...
Страница 290: ...BELARUS 1221 2 1221В 2 1221 3 Supplement 293 Electrical scheme of tractor connections ...
Страница 291: ...BELARUS 1221 2 1221В 2 1221 3 Supplement 294 Variants of tractor connections ...
Страница 293: ...BELARUS 1221 2 1221В 2 1221 3 Supplement 290 826 3805010 instrument board scheme ...