Disassemble and assemble clutch K3. - AR27.51-P-0830A

TRANSMISSION 722.6

Fig 1: Disassembled View Of Clutch K3

Courtesy of MERCEDES-BENZ USA

MODIFICATION NOTES

25.8.98	New special tool for setting clearance		AR27.51-P-0830-01A
16.9.02	Multi-disks for B1, K1 and K3 changed	Transmission 722.6 as of 02.09.02, refer to step 10.	BT27.50-P-0013-01A

	Dismantling
1	Remove snap ring (44h) from external plate carrier
2	Remove multi-disk pack (44g) and spring washer (44f) from external plate carrier	Check multi-disks for scorch marks and wear.
3	Place assembly device (072) on spring plate (44d) and tension until the snap ring (44e) is exposed	Assembly device	Fig 2
4	Remove snap ring (44e)
5	Remove spring plate (44d) and piston (44c) from the external plate carrier
	Assemble
6	Install piston (44c) in the external plate carrier	Check sealing ring (44b) and replace if necessary. The rounded off edges of the sealing ring must point outwards
7	Insert spring plate (44d)	Insert spring washer with the curvature towards the piston
8	Place assembly device (072) on spring plate and tension until the groove of the snap ring is exposed	Assembly device	Fig 2
9	Insert snap ring (44e)	The collar of the snap ring must point towards the multi-disk pack.
10	Insert spring washer (44f) and multi-disk pack (44g) in the external plate carrier and measure	Observe outer multi-disk sequence Inserting and measuring clutch pack K3: Darr;
		Transmission 722.6 up to 01.09.02	AR27.51-P-0830-01A
		Pressing tool	Fig 3
		Play in multi-disk clutch K3	*BE27.51-P-1003-01B
		Transmission 722.6 as of 02.09.02	AR27.51-P-0830-01AA
		Pressing tool	Fig 3
		Play in multi-disk clutch K3	*BE27.51-P-1003-01B
	Thickness of friction and steel multi-disks changed	Transmission 722.6	BT27.51-P-0001-01A
	Multi-disks for B1, K1 and K3 changed	Transmission 722.6 as of 02.09.02	BT27.50-P-0013-01A
	Survey of multi-disk components, production details	Transmission 722.6	GF27.51-P-5200A
11	Insert snap ring (44h)	For additional work, see: ↓
11	Insert snap ring (44h)	Install clutch K3	AR27.50-P-0810A

ADJUSTMENT VALUES OF MULTI-DISK CLUTCH

Number	Designation				Transmission 722.6 up to 01.09.02 with double sided multi-disks	Transmission 722.6 as of 02.09.02 with single-sided multi-disks
BE27.51-P-1003-01B	Play in multi-disk clutch	Number of multi-K3 disks	3	mm	2.30...2.70	2.30...2.70
			4	mm	2.40...2.80	2.40...2.80
			5	mm	2.50...2.90	2.50...2.90

Fig 2: Identifying Assembly Device (140 589 13 43 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Pressing Tool (208 589 00 21 00)

Courtesy of MERCEDES-BENZ USA