Measure And Adjust Clearance Of Multidisk Clutch K81 - AR27.51-P-0560-03EWM

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Transmission 725.0/1

ADJUSTMENT VALUES FOR MULTIDISK CLUTCH/MULTIDISK BRAKE

Number	Designation				Transmission 725.0/1
BE27.51-P-1006-01E	Clearance in multidisk clutch K81	Contact force for clearance adjustment	F1	N	1600
		Number of internal plates, single-sided	1	mm	2, 5...2, 7
		Number of internal plates, single-sided	6	mm	2, 5...2, 7
		Number of internal plates, double-sided	4	mm	1, 8...2, 0
			5	mm	2, 2...2, 4
			6	mm	2, 6...2, 8

Fig 1: Identifying Drift (722 589 06 15 00)

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Fig 2: Identifying Pressing Tool (722 589 01 31 00)

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Fig 3: Identifying Set Of Drifts (722 589 04 15 00)

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Fig 4: Identifying Support (725 589 02 31 00)

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Fig 5: Identifying Pressure Cylinder (725 589 03 31 00)

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Place piston onto mounts (1, 4).
Place drift (2) on support (4).
Position depth gauge (3), move it up to upper edge of piston and reset depth gauge (3) to 0 mm.

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Move depth gauge (3) up to upper edge (5) of retaining ring groove and measure and note down dimension 1.

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Place disk pack with internal plate carrier on support fixture of support 725 589 02 31 00.
Use the thrust device (7) with thrust cylinder and drifts to subject disk pack to a force of 1600 N.
Place depth gauge (3) on drift (2), move it up to contact surface (6) of retaining ring and reset depth gauge (3) to 0 mm.

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Measure and note down dimension 2 between drift (2) and support (1).
Determine retaining ring to be installed: Dimension 1 - dimension 2 - (center of piston travel) according to number of internal plates = retaining ring thickness
Install retaining ring of the determined thickness.

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