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10.4.3. Removal, service and installation of driveshafts

Removal

Forward shaft

 PERFORMANCE ORDER

  1. Mark the adjusting provision of a shaft of rather connecting flange of the leading gear wheel of the main transfer of the forward bridge, release fixing bolts / nuts, release the forward end of a shaft and tie it to chassis/suspension bracket elements.
  1. Mark the adjusting provision of a shaft of rather connecting flange of an output shaft of the transfer case, release four fixing nuts, separate a shaft and take it from under the car.

Back shaft

 PERFORMANCE ORDER

  1. Mark the adjusting provision of a shaft of rather connecting flange of an output shaft of the transfer case, release four fixing bolts / nuts, separate the forward end of a shaft from the transfer case and tie up it to chassis elements.
  1. Mark the adjusting provision of a shaft of rather connecting flange of the leading gear wheel of the main transfer of the back bridge, release four fixing bolts / nuts, separate a shaft and take it from under the car.

Both shaft

 PERFORMANCE ORDER

  1. If there is a need for division of the shaft sections jointed by vents, their adjusting situation should be marked previously in order to avoid balancing violation.

Service

 PERFORMANCE ORDER

  1. Carefully wipe components of assemblies of cardan hinges.
  2. Clamp a shaft body in a vice with soft sponges.
  1. Mark the provision of components of the cardan hinge from each other, - the wrong joint of components can lead to assembly balancing violation.
  1. Hooking the screw-driver with a flat sting, remove the lock rings fixing hinged assembly.
  1. Easily tapping on a collar with the hammer with soft brisk, take crosspiece bearings. Remove a collar.
  1. By means of a suitable drift beat out bearings and remove a crosspiece.
  1. Estimate a condition of components, in case of need prepare replaceable knots.
  1. Before assembly fill in covers and rollers of bearings, and also in lubricant openings of a crosspiece lubricant on a lithium basis (NGLI No. 2).
  1. Fill a crosspiece in a shaft fork, - track correctness of combination of the landing tags put in the course of dismantle, - and by means of the hammer with soft brisk begin to knock two bearings.
  1. Put a collar of the cardan hinge on a crosspiece, - track correctness of combination of the landing tags put in the course of dismantle, - and by means of the hammer with soft brisk begin to knock two bearings.
  1. Record assembly by NEW lock rings, having tracked correctness of landing them in reception flutes.

It is necessary to select lock rings so that the starting effort of a provorachivaniye of the hinge did not exceed the limit of admissible range (cm of the Specification of the Head the Transmission line). All four rings have to be one thickness.


  1. Check starting effort of a provorachivaniye of hinged assembly. Compare results of measurement to requirements of Specifications of the Head the Transmission line, in case of need make the corresponding adjustment by selection of lock rings of other thickness (see the table).

detail No.

Thickness, mm

detail No.

Thickness, mm

1757 25 171 1.22 1757 25 176 1.32
1757 25 172 1.24 1757 25 177 1.34
1757 25 173 1.26 1757 25 178 1.36
1757 25 174 1.28 1757 25 179 1.38
1757 25 175 1.30

  1. Connect shaft sections, - track correctness of combination of landing tags, then lay a shaft in prisms and by means of the measuring instrument of plunger type determine the size of its bend. If the result of measurement exceeds extreme admissible value (see Specifications of the Head the Transmission line), will measure a shaft.

Installation

 PERFORMANCE ORDER

  1. Installation is made as it should be, the return to an order of dismantle of components, - track correctness of combination of landing tags and observance of requirements of Specifications of the Head the Transmission line to efforts of tightening of threaded connections.