Chevrolet-Niva
1. The car device
2. Recommendations about operation
3. Malfunctions in a way
4. The engine
5. Transmission
5.1. Coupling
5.2. Possible malfunctions of coupling, their reason and ways of elimination
5.3. A transmission
5.4. Possible malfunctions of a transmission, their reason and ways of elimination
5.5. A distributing box
5.6. Possible malfunctions of a distributing box, their reason and ways of elimination
5.7. Kardannaja transfer
5.8. Possible malfunctions карданной transfers, their reasons and ways of elimination
5.9. Drives of forward wheels
5.10. Possible malfunctions of drives of forward wheels, their reasons and ways of elimination
5.11. The forward bridge
5.12. Possible malfunctions of the forward bridge, their reason and ways of elimination
5.13. The back bridge
5.14. Possible malfunctions of the back bridge, their reason and ways of elimination
6. A running gear
7. A steering
8. Brake system
9. An electric equipment
10. A body
11. Variants of execution of the car
12. Care of the car
13. Purchase of spare parts
14. A trip on HUNDRED
15. Winter operation of the car
16. Preparation for checkup
17. Appendices
 











5-5-razdatochnaya-korobka.html

5.5. A distributing box

Features of a design


Fig. 5.5. A distributing box: 1 – a conducted gear wheel; 2 – differential bearings; 3 – a spring washer; 4 – a lock ring; 5 – муфта differential blocking; 6 – a gear wreath of the case of differential; 7 – a gear wreath of a shaft of a drive of the forward bridge; 8 – the bearing of a shaft of a drive of the forward bridge; 9 – маслоотражатель; 10 – грязеотражатель; 11 – a shaft of a drive of the forward bridge; 12 – a flange; 13 – an epiploon; 14 – a stopper of an aperture for oil plum; 15 – a conducted gear wheel of a drive of a speedometer; 16 – a leading gear wheel of a drive of a speedometer; 17 – a stopper of an aperture for pouring and the control of level of oil; 18 – a forward cover of a distributing box; 19 – the roller bearing of an intermediate shaft; 20 – an arm of a suspension bracket of a distributing box; 21 – a cover of the bearing of a leading shaft; 22 – a persistent ring of the bearing; 23 – bearings of a leading shaft; 24 – a gear wheel of raising transfer; 25 – a nave муфты gear changes; 26 – муфта gear changes; 27 – картер a distributing box; 28 – a gear wheel of lowering transfer; 29 – the plug of a gear wheel of the lowest transfer; 30 – a shaft the leader; 31 – a back cover; 32 – the ball bearing of an intermediate shaft; 33 – an intermediate shaft; 34 – the differential case; 35 – a persistent washer of a gear wheel of a drive of the back bridge; 36 – the bearing of a shaft of a drive of the back bridge; 37 – a gear wheel of a drive of the back bridge; 38 – the satellite; 39 – an axis of satellites; 40 – a lock ring of an axis of satellites; 41 – an axis of a suspension bracket of a distributing box; 42 – a spring washer; 43 – a gear wheel of a drive of the forward bridge


Fig. 5.6. A drive of a distributing box: 1 – a plug муфты differential blocking; 2 – муфта
Differential blocking; 3 – a lock bolt of a plug; 4 – a protective cover of a rod; 5 – a spring ры
чага; 6 – a rod of a plug of blocking of differential; 7 – a cover crankcase a drive of the forward bridge;
8 – a lock washer; 9 – the plug of an axis of the lever; 10 – a lever axis; 11 – the blocking lever дифференциа
ла; 12 – a rod of a plug of a gear change; 13 – a control lever plug; 14 – a control lever;
15 – draught of the lever of blocking of differential; 16 – муфта gear changes; 17 – a plug муфты
Gear changes; 18 – the remote plug; 19 – a clamp ball; 20 – the spring plug фик
сатора; 21 – a clamp spring; 22 – the switch of a control lamp of blocking of differential;
23 – an axis of a plug of a control lever; 24 – a bolt of fastening of a plug


The distributing box is intended for twisting moment change on size and its distributions between forward and back leading bridges. On the car the two-level distributing box with interaxal blocked differential is established. Operate a distributing box (a choice raised or a hill-climbing gear, inclusion/deenergizing of blocking of differential) one lever through a mechanical lever drive.

Oil replacement in a distributing box
According to the service book in a distributing box it is necessary to replace oil through each 45 000 km of run.
It be required to you: шестигранник «on 12», a syringe for refuelling of units of transmission, capacity for the fulfilled oil.

       GOOD ADVICE
This operation is more convenient for carrying out on a viewing ditch or on the lift.
It is recommended to merge oil right after trips while the distributing box has not cooled down also oil possesses good fluidity.

1. Turn out a drain stopper and merge oil.
2. Wrap a drain stopper and turn out the jellied.
3. By means of a syringe fill in fresh oil to level of the bottom edge of a jellied aperture.
4. Wrap a jellied stopper.

Replacement of epiploons of shaft of a distributing box
It be required to you: a key «on 24», шестигранник «on 12», a syringe for refuelling of units of transmission, capacity for the fulfilled oil.
1. Merge oil from a distributing box (oil Replacement in a distributing box »see«).
2. Disconnect from a distributing box corresponding propeller a shaft (Removal and installation карданной transfers »see«).
3. Turn on самоконтрящуюся a flange nut, preliminary having blocked differential of a distributing box and having included transfer.

       THE PREVENTION
The reuse самоконтрящихся nuts is not supposed, replace their new!

4. Remove a nut and a washer.
5. Remove from a shaft a flange.
6. Take an epiploon by means of a screw-driver.
7. Put hermetic on a landing surface of a nest in картере under an epiploon, oil a working edge of an epiploon and запрессуйте an epiploon approaching оправкой.

       GOOD ADVICE
In quality send it is possible to use an old epiploon.

       THE PREVENTION
Epiploons of shaft of a distributing box have the identical landing sizes, but opposite directed маслосгонные notches. At installation be guided in a direction of rotation of the shaft, specified on an epiploon.

8. Establish the removed details in an order, the return to removal.

Replacement of a drive of the gauge of speed
The key «on 13» is required to you.
1. Turn away three nuts of the case of a drive of the gauge of speed and...
2.... Remove the case.

       THE PREVENTION
Under the drive case the cardboard sealing lining can be established. Strongly pressed out or damaged lining replace.

3. Take from the case a drive shaft in gathering with a gear wheel and an epiploon.
4. Replace faulty details and establish a drive in an order, the return to removal.

       GOOD ADVICE
For the best consolidation of interface of case details grease them, and also a sealing lining (at presence) with hermetic.

Replacement of pillows of a suspension bracket of a distributing box
It be required to you: keys «on 13», «on 17».
1. Establish under a distributing box a support.
2. Turn away a fastening nut to a body of a cross-beam of a back support of a distributing box.
3. Turn away a nut...
4.... Take a bolt and...
5.... Remove a cross-beam in gathering with a support pillow.
6. For pillow replacement turn on two nuts of bolts of its fastening.
7. If necessary also replace rubber plugs of a cross-beam.
8. For replacement of a pillow of lateral fastening of a distributing box turn away a nut of an axis of fastening of a box...
9.... Two nuts of fastening of a pillow to a body and...
10.... Remove a pillow. The second pillow remove similarly.
11. Establish details in an order, the return to removal.
Replacement of the switch of a control lamp of blocking of differential
The key «on 27» is required to you.

       THE PREVENTION
To replace the switch of a control lamp of blocking of differential it is possible only on the distributing box removed from the car as not enough place for using a key is direct on the car.

1. Remove a distributing box (Removal and installation of a distributing box »see«).
2. Ослабьте an inhaling of the switch and...
3.... Turn out it from crankcase boxes.
4. Establish the switch in an order, the return to removal.

Removal and installation of a distributing box
It be required to you: keys «on 13», «on 17».
1. Disconnect from a distributing box all карданные shaft (Removal and installation карданной transfers »and« Removal and installation of an intermediate shaft »see«).
2. In car salon disconnect a cover of the lever of a distributing box from a casing of a tunnel of a floor and...
3.... Remove a cover together with the lever handle.
4. Remove a rubber cover of the lever.
5. Turn away a fastening nut to a body of the left lateral pillow of a suspension bracket of a box and ослабьте nuts of fastening of other pillows.
6. Disconnect wires from the switch of a control lamp of blocking of differential.
7. Substitute under a distributing box a support, turn away other nuts of fastening of pillows and...
8.... Remove a distributing box.
9. Establish a distributing box in an order, the return to removal.

Dismantling and assemblage of a distributing box
It be required to you: keys «on 10», «on 13», «on 17», «on 24», «on 27», a screw-driver, a stripper of lock rings, a stripper of bearings, tweezers, выколотка, a chisel, a vice with sponges from soft metal.
1. Merge oil from a distributing box (oil Replacement in a distributing box »see«) and remove it from the car (Removal and installation of a distributing box »see«).
2. Hook a screw-driver запорную the plug and remove a core of a control lever a box.
3. If распорная the plug and a rubber ring are worn out, remove them from the lever, having unclenched petals распорной plugs.
4. For return installation of a core of the lever establish in a lever core распорную, запорную plugs and a rubber ring in an order, to return their removal.
5. Remove a lock ring and take an axis of the lever of the mechanism of management.
6. Turn away a bolt of an axis of a plug and...
7.... Remove the management mechanism.
8. Check up and if necessary replace plastic plugs of the lever, clear and grease консистентной with greasing all hinges of the mechanism.
9. Turn out the switch of a control lamp of blocking of differential from crankcase a distributing box.
10. Turn away a nut of fastening of an arm of a control lever and...
11.... Remove it.
12. Turn away a nut of fastening of a plug in an arm and...
13.... Disassemble an arm. The worn out or damaged details replace.
14. Turn away a nut of fastening of a lateral cover...
15.... Uncover and the lining established under it.

       THE NOTE
Strongly pressed out or torn lining replace, having greased it before installation by a thin layer of hermetic from both parties.

16. Ослабьте a nut of fastening of a plug муфты gear changes.
17. By means of a screw-driver take out from crankcase boxes заглушку apertures for a rod of inclusion of transfers.
18. Turn a rod about the axis and smoothly put forward it from crankcase till the moment of occurrence of a ball of a clamp. Tweezers take out a ball and...

       THE PREVENTION
Rod put forward very accurately as the clamp ball подпружинен and can sharply take off from a rod nest.

19.... A clamp spring.
20. Take a rod from crankcase, serially removing from it a plug and...
21.... The plastic plug.
22. Definitively remove a rod.
23. If necessary replace a sealing ring of a rod.
24. Turn away a cover nut crankcase a drive of the forward bridge and remove it.
25. Take a spring of a clamp of a rod of blocking of differential.
26. Turn out a bolt of fastening of a plug of blocking of differential.
27. Take away a protective cover of a rod from crankcase and...
28.... Putting forward a rod, incline a distributing box forward so that the clamp ball has rolled down in картер a drive of the forward bridge. Definitively having taken out a rod, remove from it a plug, and then get a ball from crankcase.
29. If necessary replace a sealing ring of a rod.
30. Turn away five nuts of fastening crankcase a drive of the forward bridge...
31.... A screw-driver separate it from crankcase a distributing box and...
32.... Remove картер.
33. Remove муфту differential blocking.
34. Remove a lining or remove its rests.
35. Disassemble a drive of the forward bridge for what fix a shaft in a vice with soft sponges, turn on самоконтрящуюся a nut of a flange of a drive of the forward bridge and remove the washer established under it.

       THE PREVENTION
The reuse самоконтрящихся nuts is not supposed, replace their new!

36. Remove a flange.
37. By means of a stripper remove a lock ring and...
38.... Take a shaft from crankcase in gathering with the bearing.
39. Remove from a shaft маслоотражательное and persistent rings. The further dismantling of a shaft is described more low.
40. Turn away a nut of fastening of an arm to the case of a distributing box, and then other nuts of fastening of a back cover of a box.
41. A screw-driver separate a back cover from crankcase boxes and...
42.... Uncover together with shaft of a drive of the back bridge.
43. For dismantling of a back cover fix a shaft in a vice with soft sponges and turn on самоконтрящуюся a flange nut.

       THE PREVENTION
The reuse самоконтрящихся nuts is not supposed, replace their new!

44. Remove a nut, a washer and a flange.
45. Remove a lock ring from the interior of a cover and...
46.... Take from a cover a shaft in gathering with the bearing.
47. Remove from a shaft маслоотражательное and persistent rings.
48. Remove a drive of the gauge of speed («Replacement of a drive of the gauge of speed» see).
49. Turn on самоконтрящуюся a nut of a flange of fastening of an intermediate shaft.

       THE PREVENTION
The reuse самоконтрящихся nuts is not supposed, replace their new!

50. Remove a nut, a washer and a flange.
51. By means of a stripper remove a lock ring of fastening of the back bearing of a leading shaft.
52. Turn away a nut of fastening of a cover of the forward bearing of a leading shaft and...
53.... Uncover.
54. Turn away other nuts of fastening of a back cover crankcase a distributing box and...
55.... Uncover.
56. Take from crankcase boxes differential.
57. Remove lock rings of bearings of the leader and...
58.... Intermediate shaft.
59. Take from crankcase intermediate and...
60.... Conducting shaft.
61. For differential dismantling remove a lock ring from a differential shaft.
62. Remove a persistent washer.
63. Press bearings from pins of the case of differential by means of a stripper.
64. Put labels on separated parts of the case of differential not to break their mutual balancing and соосность.
65. Turn out coupling bolts of the case of differential.
66. By means of a stripper...
67.... Remove a conducted gear wheel.
68. By means of a chisel...
69.... Separate forward and back cases of differential.
70. Take from the forward case a semiaxis gear wheel.
71. Remove a lock ring of an axis of satellites...
72.... A washer and...
73.... Take an axis of satellites from apertures of the back case.
74. Take out from the back case satellites and...
75.... The second gear wheel of a semiaxis.
76. Establish the removed details and collect differential upside-down.
77. If necessary disassemble an intermediate shaft. Remove an external ring of the forward bearing of an intermediate shaft.
78. By means of a screw-driver accurately, without damaging a separator, squeeze out from a separator rollers and...
79.... Remove a separator.
80. Using the prorate (a face head) suitable diameter, establish a stripper so that not to damage a gear wheel of the mechanism of a drive of a speedometer, press from a shaft an internal ring of the bearing and...
81.... Remove a ring.
82. For removal of the back bearing turn away a nut, remove it together with a washer and...
83.... Press the bearing a stripper.
84. Collect an intermediate shaft in an order, the return to removal. A nut of fastening of the bearing after an inhaling the necessary moment Tighten the with the help a small beard, having pressed бурт nuts in проточку a shaft.
85. For dismantling of a leading shaft turn away a nut of fastening of the bearing and remove it.
86. Remove a persistent washer.
87. By means of a stripper remove from a shaft the bearing...
88.... A persistent ring and a gear wheel of the lowest transfer.
89. Remove муфту transfer inclusions together with a nave and...
90.... A gear wheel of the higher transfer.
91. By means of a stripper remove from a shaft the bearing.
92. Collect a leading shaft in an order, the return to removal. A nut of fastening of the bearing after an inhaling the necessary moment (see enc. 1) Tighten the with the help a small beard.
93. Collect a distributing box in an order, the return to dismantling.

       THE NOTE
Bearings напрессовывайте on shaft with the help send, putting effort only to an internal holder of the bearing. At запрессовке the bearing in the case (картер) effort put only to an external holder.

       THE PREVENTION
The reuse самоконтрящихся nuts is not supposed, replace their new!
All removed linings replace new.

       GOOD ADVICE
Even new linings establish with hermetic application.

«The previous page
5.4. Possible malfunctions of a transmission, their reason and ways of elimination
The following page»
5.6. Possible malfunctions of a distributing box, their reason and ways of elimination