Belarus 892 - Possible Failures in Gearbox and Instructions for Their Troubleshooting; Possible Failures in Rear Axle and Instructions for Their Troubleshooting

892-0000010B OM
289
7.3 Possible failures in gearbox and instructions for their troubleshooting
The list of possible failures in gearbox and instructions for their troubleshooting are shown
in Table 7.3.1.
Table 7.3.1
Defect, external manifestation,
cause
Troubleshooting
Difficult
g
ear shiftin
g
, noisy gear shifting
Incomplete clutch coupling disengage-
ment (clutch grabs and shudders)
Find out the reason and fix as indicated in subsec-
tion 7.2.1 “Possible failures in clutch coupling and
g
uidelines for troubleshootin
g
”
Parts wear. Replace the worn-out parts.
Increased noise
Not enough oil in the transmission Refill oil up to the required level mark using oil-
measuring rod.
Wear or damage of bearings and
other transmission components
Replace worn-out bearings and other damaged
parts
The engine fails to start when the gear shifting lever is set in neutral posi-
tion or starts when a
g
ear is en
g
a
g
ed
The switch of engine start-up lock
is not adjusted
A
djust the switch of engine start-up lock by in-
stalling the necessary number of adjusting shims
50-1702048
The switch of engine start-up lock
is out of orde
r
Replace the switch of engine start-up lock
A range can not be engaged or becomes self-disengaged
Wear of parts Disconnect the tractor, dismount the gearbox and
replace worn-out parts
7.4 Possible failures in rear axle and instructions for their troubleshooting
The list of possible failures in rear axle and instructions for their troubleshooting are shown
in Table 7.4.1.
Table 7.4.1
Failure, external manifestation,
cause
Troubleshooting
Increased noise of the main gear
Improper adjustment of gears en-
gagement of main gear according to
through tooth-contact pattern and side
clearance
adjust of gears engagement of main gear according to
through tooth-contact pattern;
- adjust side clearance in engagement of main pair
Improper adjustment of conical bear-
ings of main gear
A
djust bearing preload
Differential lock fails to operate
Jams, abutments, impurities, etc.
in the connections of the rear axle
differential lock control mecha-
nism.
Eliminate the failures