Remove/install oil pump and pressure relief valve

AR26.55-B-3000TC

12.02.16

Manual transmission 715.575 with Vehicle 958.0, 958.1

Manual transmission 715.576 with Vehicle 958.0, 958.2

Remove/install oil pump and pressure relief valve

W26.55-1035-12

1 Oil pump drive gear

2 Oil pump driven gear

3 Oil pump housing

4 Compensating washer

5 Spring (long)

6 Actuator valve

7 Sealing ring

8 Valve element

9 Spring (short) (only vehicles with code (N55) oil cooling in the gearbox)

10 Actuator valve (only vehicles with code (N55) oil cooling in the gearbox)

11 Calve element (only vehicles with code (N55) oil cooling in the gearbox)

12 Seal rings

13 Closing plug (only vehicles without code (N55) oil cooling in the gearbox)

Arrows Marking

1) Only vehicles with code (N55) oil cooling in the gearbox.

	Remove
1.1	Remove the rear cover	 Vehicles without power take-off.	AR26.30-B-3001TC
1.2	Remove the power take-off	Vehicles with power take-off.
		Power take-off NA 121.	AR26.45-B-0001TC
		Power take-off NA 123, NA 124.	AR26.45-B-0001TA
		Power take-off NA 125-10b.	AR26.45-B-0001TI
		Power take-off NA 125-11b/2c, NA 125-11 c/2c.	AR26.45-B-0001TN
		Power take-off NA 125-11 b/1b, NA 125-11 b/1c.	AR26.45-B-0001TO
2	Remove the oil pump housing (3), the driven gear (2) with the drive gear (1)
3	Remove the compensating washer (4)
4.1	Remove the valve elements (8, 11) the actuation valves (10, 6) and the springs (9, 5)	Gearbox with code (N55) oil cooling in the gearbox.
		The valve elements (8, 11) are under the spring tension.
4.2	Remove the closing plug (13) the valve element (8) the drive valve (6) and the spring (5)	Gearbox without the code (N55) oil cooling in the gearbox.
		The valve element (8) is under the spring tension.
	Install
5	Determine the compensating (4) for the oil pump		AR26.55-B-3000-01TD
			*BE26.55-B-1001-01B
6	Install the compensating washer (4) determined in the rear housing
7	Install the oil pump housing (3)	 The oil pump housing lock pin (3) must fit through the compensation washer (4) in the rear housing cavity.
8	Install the driven gear (2) and drive gear (1) of the oil pump	 The marking (arrows) in the driven (2) and drive gears (1) must be turned to the oil pump cover or to the rear cover. Grease the driven (2) and drive gears (1) of the oil pump.
9	Install the valve elements (8, 11) the actuation valves (10, 6) and the springs (9, 5)	Gearbox with code (N55) oil cooling in the gearbox.
		Replace the sealing rings (7, 12).
		Install: The valve element attachment ring (11) in the "9 o'clock" position.
10.1	Install the rear cover	 Gearbox without power take-off.	AR26.30-B-3001TC
10.2	Install the power take-off	Vehicles with power take-off.
		Power take-off NA 121.	AR26.45-B-0001TC
		Power take-off NA 123, NA 124.	AR26.45-B-0001TA
		Power take-off NA 125-10b.	AR26.45-B-0001TI
		Power take-off NA 125-11b/2c, NA 125-11 c/2c.	AR26.45-B-0001TN
		Power take-off NA 125-11 b/1b, NA 125-11 b/1c.	AR26.45-B-0001TO

Transmission oil cooling, oil pump

Número	Denominação		Gearboxes 715.5


BE26.55-B-1001-01B	Oil pump clearance	mm	0.00...0.08

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