W26.50-1049-09
10 | Oil pipe | 19 | Coupling fork of the 1st/2nd speed | ||||
1 | Intermediary shaft cover | 11 | Intermediate shaft | 20 | Secondary shaft | ||
2 | Counter shaft bearing cap (front) | 12 | Counter shaft bearing cap (rear) | 21 | Synchronizer ring | ||
3 | Drive shaft cover | 13 | Reverse gear switch | 22 | Drive shaft | ||
4 | Drive shaft bearing cap (front) | 14 | Multiplier group | 23 | Control unit | ||
5 | Guide pin | 15 | Reverse gear axle | 24 | Coupling fork pin of the 3rd/4th gears | ||
6 | Safety lock | 16 | Coupling fork pin of the 1st/2nd speed and reverse speed | B3 | Counter shaft rpm sensor | ||
7 | Front housing | 17 | Central housing | S9 | Neutral position sensor | ||
8 | Control rail of the 3rd/4th speed | 18 | Main shaft bearing cap (rear) | ||||
9 | Coupling fork of the 3rd/4th speed | 18.1 | Shim (only for the altered central housing (17)) |
17 | Central housing |
A | Distance (sealing surface to the bearing lodging) |
W26.40-1025-02
20 | Secondary shaft |
69 | Oil choke valve |
W26.50-1219-06
72 | Gearbox |
73 | Mounting device |
W26.50-1216-12
| Assemble | ||
1 | Install the countershaft (11) | ||
2 | Install the input shaft (22) | ||
3 | Install the main shaft (20) | ||
4 | Install the assembling device (73) in the center housing (17), and position it upright | ||
Assembly device | |||
5 | Measure the distance (A) from the sealing surface to the bearing lodging in the central housing (17) | If the distance (A) is 327,5 mm, the shim (18.1) should not be not installed | |
If the distance (A) is 328,5 mm, the shim (18.1) must be installed under the tapered roller bearing cap (rear) (18). | |||
6 | Place the shim (18.1) on the main shaft bearing cap (rear) (18) | Only if the distance (A) in the central housing (17) is 328,5 mm. | |
7 | Install the bearing cap of the countershaft (rear) (12), the bearing cap of the main shaft (rear) (18), if needed, with the shim (18.1), in the central housing (17) | Apply multipurpose grease in the bearing cap of the countershaft (rear) (12) and in the bearing cap of the main shaft (rear) (18). | |
Wacker® silicon paste P | |||
8 | Assemble the counter shaft (11) in the central housing (17) | ||
9 | Assemble the reverse gear (13) with the bearing and bushing | The long collar of the reverse gear (13) must point the output side. | |
10 | Install the lifting device in the oil hole of the main shaft (20) | ||
| |||
11 | Assemble the coupling fork of the 1st/2nd speed (19) with the sliding shoes in the main shaft (20) | Fasten the control rails on the main shaft (20). | |
12 | Install the main shaft (20) with the lifting device in the center case (17) | Move aside the countershaft (11). | |
13 | Assemble the coupling fork pin of the 1st/2nd gears and reverse gear (16) | Apply quick-setting adhesive in the pin of the shift fork of the 1st/2nd gear and of the reverse gear (16). | |
Support pins (threaded) of the gearbox selection forks | |||
Thread locking agent, Loctite 243 (10 ml) | |||
14 | Install the synchronizer ring (21) | ||
15 | Install the input shaft (22) | Put multi-use grease on the tapered roller bearing (pilot bearing). | |
VASELINE / DBL 6850.00 | |||
16 | Centralize the reverse gear (13) and install the reverse gear axle (15) | Reverse idler axle lock washer on the transmission | |
17 | Assemble the oil tube (10) | ||
18 | Assemble the coupling fork of the 3rd/4th speed (9) with the sliding shoes and the control rail of the 3rd/4th gear (8) | ||
19 | Put he centering mandrel in the oil tube (10) | Alignment punch | |
20 | Put the guide pin (5) in the front housing (7) | ||
| |||
21 | Fit the front case (7) in the center case (17) | Apply sealing material on the sealing surfaces. | |
The control rails must slide in the front housing guide (7). | |||
Loctite 5203 surface sealant | |||
22 | Remove the guide pin (5) from the front housing (7) and put the fastening bolts | Pay attention to the different sizes of the bolts | |
Housing on the center part of the gearbox | |||
23 | Assemble the safety lock (6) on the oil tube (10) and remove the centering mandrel | ||
24 | Assemble the coupling fork pin of the 3rd/4th speed (24) | Apply quick-setting adhesive in the pin of the shift fork of 3rd/4th gear (24). | |
Support pins (threaded) of the gearbox selection forks | |||
Thread locking agent, Loctite 243 (10 ml) | |||
25 | Install the bearing cap of the countershaft (front) (2) and the bearing cap of the drive shaft (front) (4) | Apply multipurpose grease in the bearing cap of the countershaft (front) (2) and in the bearing cap of the drive shaft (front) (4). | |
VASELINE / DBL 6850.00 | |||
26 | Assemble the counter shaft cover (1) and the drive shaft cover (3) | ||
27 | Remove the assembling device (73) and place the gearbox (72) upright | ||
28 | Install the operating unit (23) | ||
Vehicles with “mechanical" gearbox actuation. | |||
29 | Install the oil restriction (69) on the main shaft (20) | ||
30 | Assemble the range group (14) | ||
Based on a technical modification, the oil tube and the safety ring are no longer required. | |||
31 | Install the neutral position sensor (S9) | Neutral position switch | |
32 | Install the counter shaft rpm sensor (B3) | Over-speed switch in the gearbox | |
33 | Connect the electric cables to the connectors and supports | ||
34 | Install the uncoupling lever |
715 589 08 31 00
Assembly device
715 589 03 15 00
Alignment punch
Repair materials |
Number | Designation | Order number |
BR00.45-Z-1096-06A | Wacker® silicon paste P | Wacker Chemie AG |
BR00.45-Z-1098-06A | VASELINE / DBL 6850.00 | A 000 989 15 51 |
BR00.45-Z-1129-02A | Loctite 5203 surface sealant | Henkel AG & Co. KGaA |
BR00.45-Z-1133-02A | Thread locking agent, Loctite 243 (10 ml) | A 613 989 09 71 09 |
Referenced documents
- ar2610b000101he Attaching and detaching mounting device on transmission
- ar2630b1010ub Remove/install drive shaft and countershaft bearing covers
- ar2631b3102ub Install range group
- ar2650b0426ub Assembling transmission main shaft
- ar2650b4744ub Dismantle, assemble drive shaft.
- ar2650b4775ub Disassemble, assemble countershaft
- ar2660b0001ub Remove and install gearshift system
- wf5850b265005a Lifting device for removing and installing main shaft
- wf5850b310001a Guide bolt for installing range group