Remove/install oil pump and pressure relief valve

AR26.55-W-3000C

30.7.09

TRANSMISSION 715.570/ 576

W26.55-1035-12

1 Driving oil pump gear

2 Driven oil pump gear

3 Oil pump housing

4 Shim

5 Spring (long)

6 Valve actuator

7 O-ring

8 Valve element

9 Spring (short) (only with vehicles with code (N55) Transmission oil cooling)

10 Valve actuator (only with vehicles with code (N55) Transmission oil cooling)

11 Valve insert (only with vehicles with code (N55) Transmission oil cooling)

12 O-rings

13 Stop plug (only for vehicles without code (N55) Transmission oil cooling)

Arrows Markings

Modification notes

27.7.09	Picture and picture legend changed.
	Work procedure completely revised.

	Removing
1.1	Remove rear end cover	Transmission without power takeoff	AR26.30-W-3001C
1.2	Remove PTO	Transmission with PTO
		PTO NA 121	AR26.45-W-0001C
		Power takeoff PTO 123, 124	AR26.45-W-0001A
		Power takeoff PTO 125-10b	AR26.45-W-0001I
		Power takeoff PTO 125-11b/2c, 125-11 c/2c	AR26.45-W-0001N
		Power takeoff PTO 125-11 b/1b, 125-11 b/1c	AR26.45-W-0001O
		Power take-off PTO 131	AR26.45-W-0001D
2	Pull oil pump housing (3), driven oil pump gear (2) and driving oil pump gear (1) out of the transmission housing
3	Take shim (4) out of the transmission housing
	Install
4	Determine shim (4) for the oil pump		AR26.55-W-3000-01D
			*BE26.55-N-1001-01A
5	Insert selected shim (4) in the transmission housing
6	Install oil pump housing (3)	 The roll pin in the oil pump housing (3) must engage through the shim (4) in the bore in the transmission housing.
7	Insert the driven oil pump gear (2) and driving oil pump gear (1) into the oil pump housing (3)	 Marks (arrows) on driven oil pump gear (2) and driving oil pump gear (1) must face towards oil pump cap or towards rear end cover. Lubricate driven oil pump gear (2) and driving oil pump gear (1)
8.1	Install rear end cover	Transmission without power takeoff	AR26.30-W-3001C
8.2	Install PTO	Transmission with PTO
		PTO NA 121	AR26.45-W-0001C
		Power takeoff PTO 123, 124	AR26.45-W-0001A
		Power takeoff PTO 125-10b	AR26.45-W-0001I
		Power takeoff PTO 125-11b/2c, 125-11 c/2c	AR26.45-W-0001N
		Power takeoff PTO 125-11 b/1b, 125-11 b/1c	AR26.45-W-0001O
		Power take-off PTO 131	AR26.45-W-0001D

Test and adjustment values for transmission oil cooling, oil pump