5.1. Design and technical characteristics
Design and technical characteristics
Automatic, planetary, the four-speed transmission with the hydrotransformer of torque of Mercedes-Benz
Selector lever
The lever has six provisions:
- Р — the parking
- R — a backing
- N — a neutral
- D — automatic inclusion of all transfers of the forward course
- 3 — automatic inclusion I, II and III transfers
- 2 — automatic inclusion of I and II transfers
Indicator |
Transmission type
|
||
722.402 *
|
722.112 **
|
||
Number of transfers |
5 |
5 |
5 |
Models of engines |
M 102 |
M 123, M 110 |
M 110, M 123 |
Transfer
|
Transfer numbers
|
||
I transfer |
4,25 |
3,98 |
3,68 |
II transfer |
2,41 |
2,39 |
2,41 |
III transfer |
1,49 |
1,46 |
1,44 |
IV transfer |
1,00 |
1,00 |
1,00 |
Backing |
5,67 |
5,47 |
5,14 |
* The automatic transmission on release cars after 1980.
** The automatic transmission was issued in two options of transfer numbers.
Characteristic |
Value |
The operating pressure, type 722.402/722.400, kg/cm |
|
the modulating pressure |
2,3/2,9 |
working pressure |
11,5±1,0/13,8±1,0 |
pressure in the centrifugal regulator |
|
|
1,0/1,0 |
|
2,5/2,5 |
Torque hydrotransformer
Characteristic |
Value |
Diameter of the hydrotransformer, mm |
245 |
Frequency of rotation of the hydrotransformer (when checking) with the blocked brakes, not less, than a rpm |
1600 — 1800 |
Transmission oil
Characteristic |
Value |
Filling capacity of a case of the transmission, l |
|
|
6,6 |
|
5,5 |
The used oil |
ATF |
Frequency of replacement |
each 60000 km of a run |
|
Are almost always the reasons of malfunctions of automatic transmission low an urovenmasla or the wrong adjustment of the drive of the selector or draft of inclusion of the lowest transfer. |
Oil level if it has temperature about 80 °C, has to be about the mark "MAH" in the probe. At a temperature of oil within 20 ° — 30 °C level has to be on the mark "X" over the mark "MIN".
Model |
Size "X", mm |
200 till 5.83 |
30 |
230 |
|
230E till 4.83 |
|
250 till 8.81 |
|
280 |
|
280E till 8.81 |
|
200 from 6.83 |
12 |
230E from 5.83 |
|
250 from 9.81 |
10 |
280E from 9.81 |
Moments of an inhaling of the main threaded connections, кгс.м
Connection type |
Value |
Bolt of fastening of the hydraulic block |
0,8 |
Bolt of fastening of an oil case |
0,8 |
Drain stopper of an oil case and transformer |
1,4 |
Bolt of fastening of the vacuum regulator |
0,8 |
The screw with crosswise shliyets of fastening of an oil filter |
0,4 |
Nut of fastening of a flange of an output shaft |
12,0 |
Bolt of fastening of the back pump |
0,8 |
Bolt of fastening of a forward cover to the forward pump |
2,0 |
Bolt of fastening of the leading flange of the transformer |
4,2 |
Bolt of fastening of the transformer or forward cover to a transmission case |
1,3 |
Bolt of fastening of a back cover to a transmission case |
1,3 |
Nut of fastening of an arm of the centrifugal regulator |
0,6 |
Switch of a starter and light of a backing |
0,8 |
Electromagnetic valve of management of foot gear shifting |
2,0 |
Traffic jams of control nests |
1,3 |
Bolt of fastening of the automatic transmission to the engine block | |
|
5,5 |
|
6,5 |
Electromagnetic valve of management of pedal gear shifting |
2,0 |
Traffic jams of control nests |
1,3 |