AR26.55-W-3000A | Remove/install oil pump and pressure relief valve | 30.7.09 |
TRANSMISSION 715.350 /370 /380 /500 /507 /510 /513 /515 /517 /520 /525 /527 /540 /561 /567 /568
W26.55-1037-06
Shown on transmission 715.5
1 Roll pin1)
2 O-rings
3 Valve element1)
4 Valve actuator1)
5 Spring (short)1)
6 Valve element
7 O-ring
8 Valve actuator
9 Spring (long)
10 Stop plug (only for vehicles without code (N55) Transmission oil cooling)
11 Shim
12 Oil pump housing
13 Driven oil pump gear
14 Driving oil pump gear
15 Oil pump end cover
16 O-ring
Arrows Markings
1) Only on vehicles with code (N55) transmission oil cooling.
Modification notes
27.7.09 | Picture and picture legend changed. | ||
Rear end cover modified, reconditioned. | Step 2 | ||
Note added: Marks (arrows) on driven oil pump gear (13) and driving oil pump gear (14) must face towards oil pump cap (15) or towards rear end cover. Lubricate driven oil pump gear (13) and driving oil pump gear (14) | Step 6 |
| Removing | ||
1.1 | Remove rear end cover | Transmission without power takeoff | |
1.2 | Remove PTO | Transmission with PTO | |
PTO NA 121 | |||
Power takeoff PTO 123, 124 | |||
Power takeoff PTO 125-10b | |||
Power takeoff PTO 125-11b/2c, 125-11 c/2c | |||
Power takeoff PTO 125-11 b/1b, 125-11 b/1c | |||
Power take-off PTO 131 | |||
2 | Pull out oil pump housing (12), driven oil pump gear (13), driving oil pump gear (14) and oil pump end cover (15) and remove shim (11) | The oil pump cap (15) is only installed on vehicles with power take-off or on vehicles without power take-off up to transmission end no. 0224563. | |
| Rear end cover modified | Transmission 715.5 as of transmission end no. 0224564. | |
3.1 | Remove valve elements (3, 6) with valve actuators (4, 8) and springs (5, 9) | Transmission with code (N55) Transmission oil cooling | |
The valve elements (3, 6) are spring-loaded. | |||
3.2 | Remove stop plug (10) with valve actuator (8), valve element (6), and spring (9) | Transmission without code (N55) Transmission oil cooling | |
The valve element (6) is spring-loaded. | |||
| Install | ||
4 | Determine shim (11) for oil pump | The shim (11) is used to adjust the play at the oil pump. | |
Transmission 715.500/507/510/513/517/520/ | |||
Transmission 715.350/370/380/515/525 | |||
5 | Insert determined shim (11) and install oil pump housing (12) | The roll pin on the oil pump housing (12) must engage through the shim (11) into the blind hole in the transmission housing. | |
6 | Install driven oil pump gear (13) and driving oil pump gear (14) | Marks (arrows) on driven oil pump gear (13) and driving oil pump gear (14) must face towards oil pump cap (15) or towards rear end cover. Lubricate driven oil pump gear (13) and driving oil pump gear (14) | |
7 | Install oil pump end cover (15) | Only on vehicles with power take-off or on vehicles without power take-off up to transmission end no. 0224563. | |
8.1 | Install valve elements (3, 6) with valve actuators (4, 8) and springs (5, 9) | Transmission with code (N55) Transmission oil cooling | |
Replace O-rings (2, 7). Install roll pin (1) in "9-o-clock position" (in direction of travel). Note different lengths of springs (5, 9). | |||
8.2 | Install plug (10) with valve actuator (8), valve insert (6) and spring (9) | Transmission without code (N55) Transmission oil cooling | |
Replace O-rings (2, 7). | |||
9.1 | Install rear end cover | Transmission without power takeoff | |
9.2 | Install PTO | Transmission with PTO | |
PTO NA 121 | |||
Power takeoff PTO 123, 124 | |||
Power takeoff PTO 125-10b | |||
Power takeoff PTO 125-11b/2c, 125-11 c/2c | |||
Power takeoff PTO 125-11 b/1b, 125-11 b/1c | |||
Power take-off PTO 131 |
Test and adjustment values for transmission oil cooling, oil pump
Number | Designation | Transmission | |
BE26.55-N-1001-01A | Play of oil pump | mm | 0.0...0.08 |
Test and adjustment values for transmission oil cooling, oil pump