17.2. Driveshaft

Removal
In the presence unscrew four bolts and remove the cross beam located under pipes of system of release.
Unscrew nuts, the fixing connecting clips of exhaust pipes, disconnect and remove back section of system of release.
Unscrew bolts and remove the thermofilter located over the driveshaft.

Fig. 11-1. Driveshaft and main reverse gear: 1 – main reverse gear; 2 – laying; 3 – hinge of equal angular speeds; 4 – the fixing plate; 5 – самоконтрящийся bolt, 55 N · m; 6 - universal hinge; 7 – adjusting laying; 8 – bolt, 23 N · m; 9 – intermediate support of the driveshaft; 10 – driveshaft; 11 – самоконтрящийся bolt, 55 N · m; 12 – the fixing plate; 13 – hinge of equal angular speeds; 14 – laying; 15 – transmission


Fig. 11-2. Arrangement of bolts of fastening of the tunnel of the driveshaft



Unscrew bolts and remove the tunnel (fig. 11-2).

Fig. 11-3. An arrangement of tags of combination and bolts of fastening of the driveshaft to a flange of the main reverse gear



Check whether there are combination tags on cardan to a shaft and a flange of the main reverse gear (fig. 11-3). In the absence of tags put them.
Weaken bolts of fastening of flanges of the driveshaft to flanges of the transmission and main reverse gear (see fig. 11-3).
Weaken bolts of fastening of an intermediate support of the driveshaft.
Establish and fix on cardan to a shaft adaptation 3139 holding the driveshaft from a deflection.
Completely unscrew bolts of fastening of flanges of the driveshaft to flanges of the transmission and main reverse gear, and also an intermediate support of the driveshaft.
Move driveshaft hinges on vents of a shaft and remove the driveshaft from the car.
Remove adaptation 3119 from the driveshaft.

Installation
Installation is carried out to the sequences, the return to removal, taking into account the following.
In flanges of the transmission and main reverse gear clear a carving for bolts of fastening of a bent shaft.
Check that on flanges of the driveshaft there was no lubricant. Remove a protective film from new sealing laying and establish laying on flanges by the sticky party to the driveshaft.
For an exception of an imbalance combine tags on a driveshaft flange with tags on flanges of the transmission and main reverse gear (see fig. 11-3).

Note
The maximum corner of a deviation of an axis of the hinge of equal angular speeds 8 °, the universal hinge – 25 °.


Fix by new bolts the driveshaft.
Adjust the provision of an intermediate support of the driveshaft.
Check that the system of release was located freely and did not concern a body.