W26.50-1061-09
1 | Countershaft bearing cap | 10 | Oil pipe | 18 | Main shaft (with shift unit) | ||
2 | Tapered roller bearing outer race | 11 | Countershaft | 19 | Sliding sleeve | ||
3 | Drive shaft bearing cap | 12 | Tapered roller bearing outer race | 20 | Drive shaft | ||
4 | Tapered roller bearing outer race | 13 | Reverse gear | 21 | Shift | ||
5 | O-ring | 14 | Range group | 22 | Bearing pin for splitter group shift fork | ||
6 | Retaining ring | 15 | Bearing bolt for 1st/2nd, 3rd/4th shift fork and reverse gear | 23 | Reverse idler shaft | ||
7 | Front section of transmission housing | 16 | Center section of transmission housing | B3 | Countershaft rpm sensor | ||
8 | Sliding block | 17 | Tapered roller bearing outer race | B47 | Transmission oil temperature sensor | ||
9 | Shift fork for splitter group | 17.1 | Spacer washer (only with modified transmission housing center section (16)) | S9 | Neutral position switch |
16 | Center section of transmission housing |
A | Distance (sealing surface to bearing seat) |
W26.40-1024-02
18 | Main shaft |
69 | Oil restrictor |
W26.50-1221-06
72 | Transmission |
73 | Assembly device |
W26.50-1216-12
| Assemble | ||
1 | Assemble countershaft (11) | ||
2 | Assemble drive shaft (20) | ||
3 | Assemble main shaft (18) | ||
4 | Measure distance (A) from sealing surface to bearing seat in transmission housing center section (16) | With distance (A) 327.5 mm: | |
| |||
Do not install spacer disk (17.1). | |||
With distance (A) 328.5 mm: | |||
| |||
Install spacer washer (17.1) under tapered roller bearing outer race (17). | |||
5 | Push spacer disk (17.1) onto tapered roller bearing outer race (17) | Only if the distance (A) in transmission housing center section (16) is 328.5 mm. | |
6 | Drive tapered roller bearing outer race (12), tapered roller bearing outer race (17) and, if applicable, spacer washer (17.1) into transmission housing center section (16) from inside as far as stop using a suitable drift | Grease the tapered roller bearing outer races (12, 17). | |
Grease, silicone-based, 100 g | |||
7 | Install reverse idler gear (13) with bearing and bush | The long collar of the reverse gear (13) must point towards the output. | |
8 | Install the retainer at the oil hole in the main shaft (18) | Retaining device | |
9 | Install 3rd/4th gear shift fork, 1st/2nd gear shift fork with sliding blocks and shift rail at main shaft and attach reverse gear shift rail at retainer | Observe correct sequence. | |
10 | Attach countershaft (11) to the retainer | ||
11 | Use retainer to insert main shaft (18), countershaft (11) and shift forks into the center section of the transmission housing (16) | ||
12 | Install bearing pin for 1st/2nd, 3rd/4th and reverse gear shift forks (15) | Insert the bearing pin for the 1st/2nd, 3rd/4th and reverse gear shift fork (15) with quick-action adhesive. | |
Bearing bolt to shift fork (main shaft) | |||
Thread locking agent, Loctite 243 (10 ml) | |||
13 | Remove the retainer | ||
14 | Install sliding sleeve (19) | The long collar must point towards the output. | |
15 | Install drive shaft (20) | Push the countershaft (11) to one side. | |
Grease, silicone-based, 100 g | |||
16 | Center reverse idler gear (13) and insert reverse idler shaft (23) | Retaining panel of reverse shaft to transmission housing | |
17 | Install oil pipe (10) | ||
18 | Install splitter group shift fork (9) into sliding blocks (8) | ||
19 | Insert alignment punch into the oil pipe (10) | Alignment punch | |
20 | Screw drift into front section of transmission housing (7) | Drift | |
21 | Fit transmission housing front section (7) on transmission housing center section (16) | Coat sealing surfaces with sealant. | |
Loctite 5203 sealant | |||
22 | Install circlip (6) on oil pipe (10) and remove the centering drift from oil pipe (10) | ||
23 | Remove drift from front section of transmission housing (7) and screw in bolts around circumference of front section of transmission housing (7) | Pay attention to different lengths of bolts. | |
Transmission housing front section to transmission housing center section | |||
24 | Using a suitable drift, install tapered roller bearing outer races (2, 4) until they abut | Grease the tapered roller bearing outer races (2, 4). | |
Grease, silicone-based, 100 g | |||
25 | Install radial shaft sealing ring and pilot bushing for splitter group shift rod | ||
Synthetic grease 50 g | |||
Drift | |||
26 | Install splitter group shift rod | ||
The splitter group shift fork (9) must engage with the notch on the shift rod. | |||
27 | Install bearing pin for splitter group shift fork (22) | Insert the bearing pin for the splitter group shift fork (22) with quick-action adhesive. | |
Shift fork bearing bolt to transmission housing | |||
Thread locking agent, Loctite 243 (10 ml) | |||
28 | Install countershaft bearing cover (1) and input shaft bearing cover (3) | ||
29 | Detach assembly device from transmission (72) and move transmission (72) to horizontal position | ||
Assembly device | |||
30 | Determine shim for shift piston of splitter group | ||
Adjustment dimension for gearshift piston of cascade box | |||
31 | Pull out shift rod using assembly tool | ||
| Assembly tool for installing splitter group shift rod | ||
32 | Install rubber sealing ring and shift piston | Coat rubber sealing ring with synthetic grease. | |
Shift piston to splitter group shift rod | |||
Synthetic grease 50 g | |||
Quick-acting adhesive, Loctite 270 | |||
Puller | |||
33 | Determine shim for shift cylinder of splitter group | ||
Adjustment dimension for splitter box shift cylinder | |||
Internal extractor | |||
Counter stay | |||
34 | Install gearshift system (21) |
| |
Vehicles with code GS2 (Gear control) | |||
Vehicles with code GS3 ("Hydraulic" gearshift) without code IY2 (Hydraulic fluid as per sheet 345.0). | |||
Vehicles with code GS3 ("Hydraulic" gearshift) with code IY2 (Hydraulic fluid as per sheet 345.0). | |||
Vehicles with code GS7 (Gear control II). | |||
35 | Install oil restrictor (69) at main shaft (18) | ||
36 | Assemble range group (14) | ||
37 | Install range group (14) | ||
38 | Install neutral position switch (S9) | Only on vehicles with code GS1 ("Manual" gearshift) or with code GS3 ("Hydraulic" gearshift) | |
Neutral position switch to transmission housing | |||
39 | Install transmission oil temperature sensor (B47) | Transmission oil temperature sensor to transmission housing | |
40 | Install countershaft speed sensor (B3) | Rpm sensor (countershaft) to transmission housing | |
41 | Mount electrical line onto connectors and holders | ||
42 | Install release lever | Release lever at transmission, engine 906.9, 926.9Release lever to transmission | |
Release lever at transmission, engine 457.9, 541.9, 542.9Release lever to transmission |
715 589 08 31 00
Assembly device
714 589 05 15 00
Drift
715 589 03 15 00
Alignment punch
000 589 30 33 00
Internal extractor
715 589 02 07 00
Puller
715 589 09 15 00
Drift
715 589 01 31 00
Retaining device
000 589 34 33 00
Counter stay
Repair materials |
Number | Designation | Order number |
BR00.45-Z-1008-02A | Quick-acting adhesive, Loctite 270 | A 002 989 93 71 |
BR00.45-Z-1008-06A | Grease, silicone-based, 100 g | A 001 989 28 51 |
BR00.45-Z-1015-01A | Loctite 5203 sealant | A 002 989 71 20 10 |
BR00.45-Z-1027-06A | Synthetic grease 50 g | A 001 989 32 51 10 |
BR00.45-Z-1133-02A | Thread locking agent, Loctite 243 (10 ml) | A 613 989 09 71 09 |
Referenced documents
- ar2610w000101he Attaching and detaching mounting device on transmission
- ar2630w1010a Remove/install drive shaft and countershaft bearing covers
- ar2631w3102a Install range group
- ar2631w3201a Assembling range group
- ar2635w100001a Determine shim for shift piston of splitter group
- ar2635w100002a Determine shim for cylindrical actuator of cascade box
- ar2635w100003a Remove/install radial shaft seal and pilot bushing for splitter group shift rod
- ar2635w1000a Remove/install shift rod and shift piston for splitter group
- ar2650w0004h Remove/install oil restrictor on main shaft
- ar2650w0426a Assembling transmission main shaft
- ar2650w4744a Dismantle, assemble drive shaft.
- ar2650w4775b Disassemble, assemble countershaft
- ar2660w0001b Remove and install gearshift system
- ar2660w0001d Remove and install gearshift system
- ar2660w0001e Remove and install gearshift system
- ar2660w0001h Remove and install gearshift system
- ar2660w0001k Remove and install gearshift system
- wf5850n263501a Assembly tool for installing splitter group shift rod