Possible Failures Of The Rear Power Take-Off Shaft And Instructions For Troubleshoot- Ing - Belarus 80.1 Operation Manual

End of Table 7.4.1
Failure,
external manifestation, cause
Release disks are worn out
Friction liners of DL clutch disks
are worn out
DL clutch diaphragm is damaged
Low pressure of oil delivered to the
actuating mechanism of DL
Low pressure of oil delivered to the
actuating mechanism of DL
Sticking of DL sensor spool valve
Faulty adjustment of DL control
2)
mechanism
1)
For tractors equipped with HSC
2)
For tractors equipped with HPS or HSC with HPS body
7.5 Possible failures of the rear power take-off shaft and instructions for trou-
ble-shooting
A list of possible failures in rear axle power take-off shaft and instructions for their
troubleshooting are given in Table 7.5.1.
Table 7.5.1
Failure,
external manifestation, cause
PTO shaft fails to transmit full torque (slipping) or goes on rotating after be-
ing turned off
Failed control adjustment due to
significant wear of friction liners of
brake bands or due to other rea-
son
Non-precise switching of rear PTO
control lever (Jams, abutments,
impurities, etc. in the connections
of rear PTO control mechanism)
Replace the disks
Replace the disk assembly
Replace the diaphragm
Adjust the pressure delivered to the DL clutch by
1)
changing the quantity of adjusting washers 23 (fig-
ure 3.4.4). The pressure shall be In the range 0.9
to 1.3 MPa.
Replace the reduction valve
2)
2)
Take off the DL sensor and rinse it in diesel fuel or
replace it
Adjust the control mechanism as indicated in sec-
tion 3.4.5.4 "Rear axle differential lock cable con-
trol adjustment"
Adjust the rear PTO as indicated in subsection 3.5
"Rear power take off shaft"
Eliminate the causes preventing free movement of
rear PTO control mechanism parts. The rear PTO
control lever shall have rigid fix in positions "PTO
engaged" / "PTO disengaged"
354
80-0000010B OM
Troubleshooting
Troubleshooting