W26.31-1008-09
1 | Guide bushing | 13 | Range group control cylinder of vehicles with code (GS1) 'manual' actuation transmission | 25 | Oil pump | ||
2 | Solar gear | 14 | Electro-pneumatic coupling unit of the range group (only for vehicles with Code (GS2) transmission electro-pneumatic actuation) or control unit (only for vehicles with Code (GE3) Mercedes PowerShift) | 26 | Gasket | ||
3 | Lock-ring | 15 | Rear housing | 27 | Rear cover | ||
4 | lock pin (Interlock) | 16 | Bushing | 28 | Compensator disc | ||
5 | O-Ring | 17 | Spring | 29 | Ball bearing | ||
6 | Spring | 18 | Oil filter | 30 | Spacer ring only for vehicles with code (BA9) Voith R 115 secondary retarder | ||
7 | Screw-in plug | 19 | Sealing ring | 31 | Pulse star | ||
8 | Planetary gear set | 20 | Screw-in plug | 32 | Output cap | ||
9 | O-Ring | 21 | Fork pin | 33 | Output flange | ||
10 | Sliding shoes | 22 | Cover | 34 | Guide pin | ||
11 | Coupling fork | 23 | Valve elements | B63 | Range group travel sensor (SRA) (only vehicles with code (GS2) electro-pneumatic gear control). | ||
12 | Control plunger | 24 | Adjustment shim |
Remove and disassemble | |||
1 | Drain the gearbox oil | ||
2 | Remove the threaded plug (20), remove the sealing ring (19), the oil filter (18) and the spring (17) and the bushing (16) | ||
3 | Remove the oil cooler piping | Only vehicles with Code (N55) transmission oil cooling. | |
4 | Remove the propeller shaft from the output flange (33) | ||
5 | Remove the retarder |
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6 | Remove the output flange (33) |
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7.1 | Remove the tailgate (27) | Gearbox without power take-off | |
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7.2 | Remove the power take-off | Gearbox with power take-off | |
NA 121 power takeoff | |||
NA 123, 124 power takeoff | |||
NA 125 -10b power takeoff | |||
NA 125-11b/2c, 125-11 c/2c power takeoff | |||
NA 125-11 b/1b, 125-11 b/1c power takeoff | |||
8 | Remove the oil pump (25), the adjustment shim (24) and the valve elements (23) |
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9 | Remove the tailgate (32) |
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10 | Remove the pulse star (31) | ||
11 | Remove the locking rod for the Interlock |
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12 | Remove the threaded plug (7), the interlock's lock pin (4) and spring (6) | Vehicles with code (GS1) manual transmission actuation or with code (GS3) “hydraulic” transmission actuation. | |
13 | Remove the range group travel sensor (SRA) (B63) | Only vehicles with code (GS2) electro-pneumatic gear control. | |
14.1 | Remove the range group's command cylinder (13) | Vehicles with code (GS1) manual transmission actuation or with code (GS3) “hydraulic” transmission actuation. | |
Transmissions 715.517/527/535/567/568 | |||
14.2 | Remove the range group coupling electro-pneumatic unit (14) | . | |
Gearbox 715.527 | |||
14.3 | Remove the splitter group control module (14) | Vehicles with code (GE3) Mercedes PowerShift. | |
Transmissions 715.372/382/531 | |||
15 | Remove the fork pin (21) | ||
16 | Turn the shift piston (12) 180° and pull it out | ||
17 | Remove the radial retainer and the guide bushing from the piston rod |
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18 | Remove the fastening screws from the rear carcass (15) | Vehicles with code (BA1) Voith retarder with optimized output, additionally disassemble the two bolts and a nut in the retarder opening. | |
19 | Install the guide pins (34) | ||
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20 | Remove the rear carcass (15) | Do not damage the sealing surface. | |
Hand pump | |||
Hydraulic hose (complete) | |||
Puller | |||
Adapter | |||
Adapter | |||
Adapter plate | |||
Hydraulic cylinder | |||
21 | Remove the spacer ring (30), the ball bearing (29), and the compensating disc (28) | The spacer ring (30) is installed only in vehicles with code (BA9) Secondary Voith R 115 retarder. | |
22 | Remove the O-rings (5) and (9) | ||
23 | Remove the coupling fork (11), and remove the sliding shoes (10) | ||
24 | Remove the planetary assembly (8) | ||
25 | Inspect the sun gear (2) for damage and wear, and if necessary, replace it | In order to replace the sun gear (2), remove the snap ring (3). | |
26 | Disassemble the planetary assembly (8) |
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715 589 15 34 00
Hydraulic cylinder
715 589 12 34 00
Adapter
652 589 00 33 21
Hand pump
715 589 11 34 00
Adapter
715 589 04 33 00
Puller
652 589 00 33 23
Hydraulic hose (complete)
715 589 14 34 00
Adapter plate