Belarus 82.3 - Possible Malfunctions and Guidelines for Troubleshooting; Possible Clutch Failures and Instructions for Troubleshooting

82.3-0000010 OM
212
6. POSSIBLE MALFUNCTIONS AND GUIDELINES FOR TROUBLE-
SHOOTING
6.1 Possible clutch failures and instructions for troubleshooting
On the BELARUS-82.3 tractors it is possible to install two options of clutch:
- clutch of diaphragm type, made in the EU;
- clutch of lever type, manufactured by OJSC “MTW” Republic of Belarus.
The list of possible failures of the diaphragm-type clutch and instructions for trou-
bleshooting are shown in table 6.1.1.
The list of possible failures of the lever-type clutch and instructions for troubleshoot-
ing are shown in table 6.1.2.
Table 6.1.1
Malfunction, external manifestation, cause
Troubleshooting
Clutch does not transmit full torque (“skidding")
There is no clearance between the shifter
bearing and
the blades of the diaphragm
(disk) spring – “clutch is half disen
gaged”
(insufficient clutch pedal free travel)
Adjust the clutch pedal free travel, as de-
scribed in clause 5.4.3.10 "Operation 31
.
Check/adjustment of clutch pedal free trav-
el"
Incomplete engagement of clutch (clutch
lever fails to return to its initial posi
tion)
when the clutch pedal is released, due to
failure in clutch operation control
Adjust the clutch pedal free travel, as de-
scribed in clause 5.4.3.10 "Operation 31.
Check/adjustment of clutch pedal free trav-
el"
Clutch driven disk linings are worn out
Replace driven disk assembly
Clutch driven disk linings are oiled-up due
to ingress of oil into dry section
Detect and eliminate the cause of oil in-
gress into dry section
Clutch fails to disengage completely (“clutch grabs and shudders”)
Clearance between clutch shifter bearing
and blades of the diaphragm (disk) spring
is
increased (substantial free travel of clutch-
pedal)
Adjust the clutch pedal free travel, as de-
scribed in clause 5.4.3.10 "Operation 31
.
Check/adjustment of clutch pedal free trav-
el"
Jamming of driven disk hub on transmission
shaft splines
Skin the splines providing free movement of
disks on the transmission shaft
Transmission shaft support bearing in the
flywheel is damaged
Replace the bearing
Oil in dry section of the clutch body
Wear of the collar, sealing the crankshaft
Replace the collar
The bearing cover of the rear PTO driven
shaft is pushed out when assembling the
repaired tractor
Install a new cover or set the old one right
Shifter bracket collar is worn out
Replace the collar