Modification notes |
12.12.2018 | Clutch lever in the gearbox | Type 934.241/251, 938.14 with engine 460.984 - 934.241/251, 958.4 with engine 457.9 - Type 958.2 with engine 906.9, 926.9 | BA25.20-B-1018-01L |
12.12.2018 | Transmission oil temperature sensor | Gearbox 715.378 in the Type 934.2, 938.1, 958.4 | BA26.19-B-1004-01G |
17.12.2018 | Selection fork retaining pin in the gearbox | BA26.35-B-1001-01B | |
17.12.2018 | Fastening of the splitter group control piston | BA26.35-B-1002-01B | |
17.12.2018 | Primary and intermediate shaft bearings pre-tension | Gearbox 715.378 | BA26.50-B-1003-01C |
W26.50-1134-09
Represented on gearbox 715.370 with Code GE3 (Mercedes PowerShift) |
1 | Brake of the counter shaft | 11 | Oil pipe | 21 | Main shaft (with gear shift unit) | ||
2 | Outer race of the tapered roller bearings | 12 | Counter shaft | 22 | Synchronizing cone with synchronizer ring and annular spring | ||
3 | End cover of the input shaft bearing | 13 | Outer race of the tapered roller bearings | 23 | Sliding sleeve | ||
4 | Outer race of the tapered roller bearings | 14 | Reverse gear switch | 24 | Drive shaft | ||
5 | Clutch fork | 15 | Splitter group | 25 | Gear shifting system | ||
6 | Splitter group control rod | 16 | Reverse gear shaft | 26 | Pivot pin for the shift fork of the splitter group | ||
7 | Front section of the gearbox housing | 17 | Pivot pin (shift fork of reverse/1st gears, and shift fork of 2nd/3rd gears) | B3 | Counter shaft rpm sensor | ||
8 | Lock ring | 18 | Center section of the gearbox housing | B47 | Gearbox oil temperature sensor | ||
9 | Shift fork of the splitter group | 19 | Spacer washer | B62 | Split Sensor (SSP) | ||
10 | Sliding pads | 20 | Outer race of the tapered roller bearings |
7 | Front part of the gearbox housing |
30 | Selection rod (R/1st gears) |
31 | Selection rod (2nd/3rd gears) |
32 | Coupling rail guide |
33 | Fastening device |
W26.60-1246-02
21 | Main shaft |
69 | Oil choke valve |
W26.50-1214-06
72 | Gearbox |
73 | Mounting device |
W26.50-1216-12
| Assemble | ||
Notes on compressed air connection systems | |||
1 | Assemble the counter-shaft (12) | ||
2 | Install drive shaft (24) | ||
3 | Assemble the secondary shaft (21) | ||
4 | Install the outer races of the tapered roller bearings (13, 20) and the spacer washer (19) from the front section of the gearbox housing (18) | Use the proper assembly mandrel. The outer races of the tapered roller bearings (13, 20) should be installed from inside the gearbox housing (18). | |
Grease, silicone-based, 100 g | |||
5 | Install the gear of reverse gear (14) along with the bearing and the bushing | The long collar of the gear of reverse gear (14) should point to the power outlet side. | |
6 | Insert the main shaft (21) and the counter shaft (12) with the clamping device (33) into the center section of the gearbox housing (18) | ||
Clamping device | |||
Retaining device | |||
7 | Install both pivot pins (17) | Block the pivot pin (17) with quick drying bond. | |
Selection fork retaining pin in the gearbox | |||
Thread locking agent, Loctite 243 (10 ml) | |||
8 | Remove the clamping device (33) from the main shaft (21) and from the counter shaft (12) | ||
9 | Install the synchronizing cone with the synchronizer ring and the annular spring (22) on the main shaft (21) | ||
10 | Install the sliding sleeve (23) | The long collar must point to the output of power. | |
11 | Install the input shaft (24) | By installing it, press the counter shaft (12) sidewards. | |
Grease, silicone-based, 100 g | |||
12 | Centralize the gear of reverse gear (14) and install it on the reverse gear shaft (16) | Reverse gear axle fastening plate | |
13 | Install the oil pipe (11) | ||
14 | Install the shift fork of the splitter group (9) with the sliding pads (10) | ||
15 | Insert the centering mandrel in the oil pipe (11) | Alignment punch | |
16 | Screw the mandrel in the front section of the gearbox housing (7) | Drift | |
17 | Position the front section of the gearbox housing (7) on the rear section of the gearbox housing (18) | Apply sealing material on the sealing surfaces. | |
Loctite 5203 sealant | |||
18 | Install the lock ring (8) on the oil pipe (11) and remove the centering mandrel from the oil pipe (11) | ||
19 | Remove the mandrel from the front section of the gearbox housing (7) and screw the bolts in the contour of the gearbox housing | Pay attention to the different sizes of the bolts. | |
Oil drain plug | |||
Drift | |||
20 | Install the outer rings of the tapered roller bearings (2, 4) up to their correct assembly position | Use the proper assembly mandrel. | |
Grease, silicone-based, 100 g | |||
21 | Install the radial seal ring and the guide bushing of the shift rod (6) of the splitter group | ||
Synthetic grease 50 g | |||
Drift | |||
22 | Install the splitter group control bar (6) | ||
The shift fork of the splitter group (9) must engage in the recess of the shift rod (6) of the splitter group. | |||
Blocking of the demultiplier group on the housing | |||
Selection fork retaining pin in the gearbox | |||
Thread locking agent, Loctite 243 (10 ml) | |||
Loctite 5203 sealant | |||
23 | Secure the selection rods (30, 31) with the clamping device (33) on the shift rod (32) at neutral position | Retainer | |
24 | Pull the shift rod (6) of the splitter group with the assembly tool as much as necessary, until the Split position is coupled | ||
25 | Determine the compensating washers for the input shaft (24) and the counter shaft (12) | ||
Counter shaft bearing adjustment tolerance | |||
Pre-load of the drive shaft bearing | |||
Primary and intermediate shaft bearings pre-tension | |||
Torque screwdriver | |||
Clamping plates | |||
26 | Install the counter shaft brake (1) with the determined compensating washer | The grooves for oil of the brake blades must be aligned. | |
27 | Install the bearing end cover of the input shaft (3) with the determined compensating washer | ||
28 | Remove the assembling device (73) from the gearbox (72) and put the gearbox (72) in the horizontal position | ||
Assembly device | |||
29 | Determine the compensating washers for the control plunger of the splitter group | ||
Splitter group control piston adjustment dimension | |||
30 | Pull the control rod of the splitter group (6) with the assembly tool as much as necessary, until the Split position is coupled | ||
31 | Install the double groove ring and the drive rod | Apply synthetic grease on the double groove ring. | |
Fastening of the splitter group control piston | |||
Synthetic grease 50 g | |||
Quick-acting adhesive, Loctite 270 | |||
Puller | |||
32 | Establish the balancer washer for the reduction group shifting cylinder | ||
Splitter group control cylinder adjustment dimension | |||
Synthetic grease 50 g | |||
Internal extractor | |||
Counter stay | |||
33 | Remove the clamping device (33) | ||
34 | Install the gear shifting system (25) | ||
35 | Install the oil temperature sensor of the transmission (B47) | Transmission oil temperature sensor | |
36 | Install the counter shaft speed sensor (B3) |
| |
Vehicles with Code GE7 (Mercedes PowerShift 2) | |||
37 | Install the main shaft speed sensor (21) | Only on vehicles with Code GE7 (Mercedes PowerShift 2). | |
. | |||
38 | Install the oil choke (69) from the main shaft (21) | ||
39 | Assemble the range group (15) | ||
40 | Assemble the range group (15) | ||
41 | Install the compressed air piping on gear module, on selection module, on drive cylinder of the splitter group, and on power take-off | ||
42 | Install the electric cables in the connectors and in the brackets | ||
43 | Install the clutch fork (5) | .Clutch lever in the gearbox |
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
001 589 80 21 00
Torque screwdriver
715 589 02 07 00
Puller
315 589 02 31 00
Clamping device
715 589 09 15 00
Drift
715 589 01 31 00
Retaining device
715 589 18 63 00
Retainer
715 589 15 63 00
Clamping plates
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
- ah0018n000101a Notes on compressed air connection systems
- ar2610b000101ga Attaching and detaching mounting device on transmission
- ar2619b0018ga Remove/install countershaft speed sensor
- ar2619b0018gaa Remove/install countershaft speed sensor
- ar2619b0026ga Remove/install transmission main shaft rpm sensor
- ar2630b1020ga Remove/install input shaft bearing cap
- ar2631b3102ga Install range group
- ar2631b3201ga Assembling range group
- ar2635b100001ga Determine shim for shift piston of splitter group
- ar2635b100002ga Determine shim for cylindrical actuator of cascade box
- ar2635b100003ga Remove/install radial shaft seal and pilot bushing for splitter group shift rod
- ar2635b100004ga Install shift rod of splitter group
- ar2650b0004ga Remove/install oil restrictor on main shaft
- ar2650b041003ga Determine shims of drive shaft and countershaft
- ar2650b0428ga Assemble main shaft
- ar2650b400002ga Install main shaft and countershaft with shift unit
- ar2650b4744ga Dismantle, assemble drive shaft.
- ar2650b4775ga Disassemble, assemble countershaft
- ar2660b0001ga Remove and install gearshift system