W26.10-1206-09
1 | Annular spring | 13 | 5th and 6th gear gearshift arm | 25 | Rear section of transmission housing | ||
2 | Cover (countershaft) | 14 | Shift rails | 26 | Reverse gear shaft | ||
3 | Retaining ring | 15 | Main shaft | 27 | Locking screws | ||
4 | Retaining ring | 16 | Cap | 28 | Front section of transmission housing | ||
5 | Deep-groove ball bearing | 17 | End cover (only on vehicles without power take-off) | 29 | Reverse gear | ||
6 | Bearing pin | 18 | Spacer ring | 30 | Radial shaft sealing ring | ||
7 | Bearing pin | 19 | Pulse wheel | 31 | Guide tube (only with code G5H (manual gearshift)) | ||
8 | Countershaft | 20 | Radial shaft sealing ring | B18 | Travel and speed sensor (only for vehicles without transfer case) | ||
9 | Drive shaft | 21 | Output flange | B500 | Output shaft rpm sensor (only for vehicles with transfer case) | ||
10 | Retaining ring | 22 | Pressure plate | B501 | Main shaft rpm sensor | ||
11 | Tapered roller bearing (pilot bearing) | 23 | Screw | B502 | Countershaft rpm sensor (only with code G5G (Mercedes PowerShift 3)) | ||
12 | Shim | 24 | Supporting arm | B505 | Transmission oil temperature sensor |
8 | Countershaft |
15 | Main shaft |
36 | Retaining spring |
37 | 5th and 6th gear synchronizer unit |
W26.50-1138-11
8 | Countershaft |
14 | Shift rails |
15 | Main shaft |
40 | Support plate |
41 | Bracket |
W26.40-1042-03
8 | Countershaft |
21 | Output flange |
25 | Rear section of transmission housing |
40 | Support plate |
42 | Screw |
43 | Mounting irons |
W26.50-1141-11
Topical note | Notes on self-locking nuts and bolts | ||
Notes on safety-relevant components | |||
Note on calculation of tightening torque when using insertion or socket tools with various effective lengths | |||
| Assemble | ||
1 | Assemble countershaft (8). | ||
2 | Assemble main shaft (15). | ||
3 | Assemble drive shaft (9). | ||
4 | Install drive shaft (9) in transmission housing front section (28). | ||
5 | Install retaining ring (10) with zero clearance. | ||
Assembly tool | |||
6 | Check play between deep-grooved ball bearing of drive shaft (9) and retaining ring (10) in transmission housing front section (28). | ||
Play of grooved ball bearing in front section of transmission housing | |||
7 | Assemble transmission housing rear section (25). | ||
8 | Insert main shaft (15) and countershaft (8) into support plate (40). | | |
Support plate | |||
9 | Fix reverse gear gearwheel in place at neutral position using suitable tool. | ||
10 | Attach shift rails (14) to main shaft (15). | Fix shift rails (14) in place using cable ties and bracket. | |
Bracket | |||
11 | Remove tool for fixing neutral position of reverse gear gearwheel. | ||
12 | Insert reverse idler gear (29) into transmission housing rear section (25). | The long collar of the reverse idler gear (29) must point towards the drive. | |
13 | Attach transmission housing rear section (25). | ||
Secure reverse idler gear (29) when moving the rear section of the transmission housing (25). | |||
14 | Grease and install reverse idler gear axle (26). | The reverse idler gear (29) and needle roller bearing must be fixed accurately into place. | |
Long-life grease | |||
15 | Install cap (16). | Clean sealing surfaces and coat with sealant. | |
Cap and housing to transmission housing rear section | |||
Loctite 5203 sealant | |||
16 | Grease sealing lip of radial shaft sealing ring (20). | Synthetic grease 50 g | |
17 | Install pulse wheel (19) and radial shaft sealing ring (20). | Drift | |
18 | Position transmission housing rear section (25) horizontally and remove support plate (40). | ||
19 | Install power output flange (21), pressure disk (22) and screw (23). | Vehicle with code B3G (Permanent magnet retarder) | |
Bolt, output flange | |||
Retainer wrench | |||
20 | Attach support plate (40) to power output flange (21) and place transmission housing rear section (25) onto attached support plate (40). | Support plate | |
Adapter set | |||
21 | Remove cable ties from shift rails (14). | ||
22 | Screw in locking screws (27) approx. 4 turns. | ||
23 | Check play of main shaft (15). | ||
Main shaft end float | |||
24 | Place shim (12) of determined thickness onto main shaft (15). | ||
25 | Grease and install tapered roller bearing (11). | Grease, silicone-based, 100 g | |
26 | Remove retaining springs (36) from 5th and 6th gear synchronizer unit (37). | ||
27 | Install 5th and 6th gear gearshift swing arm (13) with sliding blocks. | Observe direction of installation for sliding blocks. The rounded sides of the sliding blocks must face towards gearshift swing arm mounting. | |
28 | Attach transmission housing front section (28) to transmission housing rear section (25) with aid of second person. | Screw two centering screws/bolts into front section of transmission housing (28) for easier assembly. | |
Transmission housing front section to transmission housing rear section | |||
Loctite 5203 sealant | |||
Pliers | |||
29 | Install bearing pins (6, 7) of 5th and 6th gear gearshift swing arm (13). | Align gearshift swing arm for 5th and 6th gear (13) through the opening in the front section of the transmission housing (28) with the bearing pins (6, 7). | |
Shift fork bearing pin at transmission housing | |||
Thread locking agent, Loctite 243 (10 ml) | |||
30 | Support countershaft (8) at output side (arrow) relative to support plate (40). | A metal piece 95 mm in length (e.g. a bolt (42) with at least Ø 14 mm) has to be used. | |
31 | Install deep-groove ball bearing (5). | Drive inner race of grooved ball bearing (5) up to end stop of countershaft (8). | |
Drift | |||
32 | Insert retaining ring (4) with zero clearance and drive in with drift. | If necessary, install a retaining ring (4) of a different thickness. | |
Play of grooved ball bearing on countershaft | |||
Drift | |||
33 | Remove support between countershaft (8) and support plate (40). | ||
34 | Drive outer race of deep-grooved ball bearing (5) into transmission housing front section (28) up to end stop. | Drift | |
35 | Insert retaining ring (3) with zero clearance and drive in with appropriate drift. | If necessary install locking ring (3) of a different thickness. | |
Play of grooved ball bearing in front section of transmission housing | |||
36 | Install new cap (2). | Drift punch | |
37 | Install annular spring (1). | ||
38 | Grease new radial shaft sealing ring (30) on sealing lip and install. | Synthetic grease 50 g | |
Drift | |||
39 | Install guide tube (31). | Only on vehicles with code G5H (Manual shift mechanism) | |
Guide tube to transmission housing front section | |||
40.1 | Install pneumatic central clutch release bearing. | Vehicles with code G5G (Mercedes PowerShift 3) | |
40.2 | Install release lever. | Vehicles with code G5H(shift mechanism, manual) | |
41 | Position transmission horizontally using suitable lifting gear and remove support plate (40). | ||
42 | Tighten locking screws (27). | Lock bolts in transmission housing | |
43 | Install gearshift system. |
| |
Vehicles with code G5G (Mercedes PowerShift 3) | |||
44 | Install transmission positioner. |
| |
45 | Install spacer ring (18). | Only on vehicles without power take-off | |
46 | Clean sealing surface for end cover (17) or power take-off and coat with sealant. | Loctite 5203 sealant | |
47.1 | Attach end cover (17). | Transmission without power take-off | |
End cover to transmission housing rear section | |||
47.2 | Install power take-off. | Transmission with power take-off | |
48 | Install main shaft rpm sensor (B501). | Main shaft rpm sensor to transmission housing | |
49.1 | Install travel and speed sensor (B18). | Vehicles without transfer case | |
Travel and speed rpm sensor to transmission | |||
49.2 | Install output shaft rpm sensor (B500). | Vehicles with transfer case | |
Output shaft rpm sensor to transmission housing | |||
50 | Install transmission oil temperature sensor (B505). | Transmission oil temperature sensor to transmission housing | |
51 | Install countershaft rpm sensor (B502). | Only for vehicles with code G5G (Mercedes PowerShift 3) | |
Replace O-ring. | |||
Countershaft rpm sensor to transmission housing | |||
52 | Attach lines to electrical connectors and to holders. | ||
53 | Attach support arm (24) on left of transmission. | If installed. | |
Supporting arm to transmission | |||
54 | Remove power output flange (21) and attach to adapter of permanent magnet retarder. | Only on vehicles with code B3G (Permanent magnet retarder) | |
Do not tighten the bolts yet. | |||
55 | Attach permanent magnet retarder with power output flange (21) to transmission. | Only on vehicles with code B3G (Permanent magnet retarder) | |
715 589 10 63 00
Bracket
715 589 00 15 00
Drift
715 589 22 63 00
Adapter set
314 589 03 15 00
Drift punch
715 589 31 63 00
Support plate
715 589 00 63 00
Assembly tool
715 589 00 37 00
Pliers
717 589 00 31 00
Retainer wrench
715 589 06 15 00
Drift
387 589 05 15 00
Drift
Repair materials |
Number | Designation | Order number |
BR00.45-Z-1001-06A | Long-life grease | A 000 989 63 51 11 |
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
- ah0000n000101a Notes on self-locking nuts and bolts
- ah0000p001501cw Note on calculation of tightening torque when using insertion or socket tools with various effective lengths
- ah0000z001901a Notes on safety-relevant components
- ar2520w0182na Remove/install pneumatic central clutch release bearing
- ar2520w0200na Remove and install clutch throwout lever
- ar2621w0006na Remove/install transmission positioner
- ar2640w247508na Install transmission housing rear section
- ar2640w2476na Disassemble/assemble rear section of transmission housing
- ar2650w042010na Check main shaft end float
- ar2650w0426na Assembling transmission main shaft
- ar2650w474301na Remove/install circlip
- ar2650w474303na Checking play between grooved ball bearing and circlip in front section of transmission housing
- ar2650w4744na Dismantle, assemble drive shaft.
- ar2650w4775na Disassemble, assemble countershaft
- ar2660w0001na Remove and install gearshift system
- ar2660w0001naa Remove and install gearshift system
- ar4340w1007na Remove/install adapter on flange of permanent magnet retarder