Remove/install clutch pack BR, multidisk brake B2 and park pawl gear

AR27.50-P-0782W

05.02.2018

Transmission

722.9, 724.2

Remove/install clutch pack BR, multidisk brake B2 and park pawl gear

P27.00-2145-09

Shown on TRANSMISSION 722.9

1	Transmission housing	6	B2 multidisk brake
5	Clutch pack BR	6s	Bolts
5s	Retaining ring	7	Park pawl gear
5t	Disk spring

	Notes on automatic transmission		AH27.19-P-0001-01NKB
	Remove
1	Detach transmission housing (1) from torque converter housing or housing for electrical machine		AR27.50-P-0601W
		 Cleanliness is essential when working on the transmission. Otherwise, even the smallest foreign particle in the hydraulic components of the transmission can lead to malfunctions or a total failure of the transmission.
		 For cleaning, use lint-free cleaning cloth. Chamois leathers are the most suitable.
2	Press together clutch pack BR (5) and remove retaining ring (5s)
3	Remove clutch pack BR (5)
4	Remove disk spring (5t)
5	Remove screws/bolts (6s) and remove multidisk brake B2 (6)
6	Remove park pawl gear (7)
	Check
7	Disassemble multidisk brake B2 (6) and check components for scorch marks and wear; replace if necessary		AR27.50-P-0880W
8	Check disk pack BR (5) for scorch marks and wear; replace if necessary
		Transmission 722.9	GF27.51-P-5200W
	Install
9	Assemble multidisk brake B2 (6)		AR27.50-P-0880W
10	Insert park pawl gear (7)
11	Measure and adjust clearance of multi-disk brake B2 (6).	Transmission 722.9, 724.2Multidisk brake B1, B2, B3 and multidisk clutch K1, K2,K3	AR27.51-P-7229W
12	Install multidisk brake B2 (6) and tighten screws/bolts (6s)	 The external plate carrier of the multidisk brake B2 (6) is simultaneously the piston of clutch pack BR (5) and must not tilt over. Otherwise function of clutch pack BR (5) is not ensured.
		 Before tightening the screws/bolts (6s), press the external plate carrier from inside against the park pawl gear (7). Replace screws/bolts (6s).
		 Transmission 722.9 in model 164, 166, 171, 172, 203, 204, 207, 209, 211, 212, 216, 217, 218, 219, 220, 221, 222, 230, 231, 251 Transmission removedBolt, multi-disk brake B2 to transmission housing	*BA27.40-P-1005-01A
		 Transmission 722.9 in model 463 Transmission removedBolt, multi-disk brake B2 to transmission housing	*BA27.40-P-1006-01E
		 Transmission 724.2 Transmission removedBolt, multi-disk brake B2 to transmission housing	*BA27.19-P-1006-01C
13	Insert disk spring (5t)	 Insert disk spring (5t) in such a way that the curvature of the inner circumference points toward the multidisk brake B2 (6).
14	Install clutch pack BR (5)
	End disk modified	Transmission 722.9	BT27.50-P-0015-01W
15	Press together clutch pack BR (5) and install retaining ring (5s)
16	Measure and adjust clearance in multidisk brake BR		AR27.51-P-7229-01W
		 The thickness of the retaining ring (5s) determines the clearance.
		Transmission 722.9Clearance of multi-disk brake BR	*BE27.50-P-1004-02C
		Transmission 724.2Clearance of multi-disk brake BR	*BE27.50-P-1004-02D
17	Attach transmission housing (1) to torque converter housing or housing for electrical machine		AR27.50-P-0601W

Adjustment values of multi-disk brake

Number	Designation		Transmission 722.9
BE27.50-P-1004-02C	Clearance of multi-disk brake BR	mm	1,00...1,40

Set values for multi-disk brake

Number	Designation		Transmission 724.2
BE27.50-P-1004-02D	Clearance of multi-disk brake BR	mm	1,00...1,40

 Electrohydraulic controller unit

Number	Designation			Transmission 724.2
BA27.19-P-1006-01C	Bolt, multi-disk brake B2 to transmission housing	Stage 1	Nm	10
		Stage 2	°	90

 Housing

Number	Designation			Transmission 722.9
BA27.40-P-1005-01A	Bolt, multi-disk brake B2 to transmission housing	Stage 1	Nm	10
		Stage 2	°	90

 Housing

Number	Designation			Transmission 722.9 in model 463
BA27.40-P-1006-01E	Bolt, multi-disk brake B2 to transmission housing	Stage 1	Nm	10
		Stage 2	°	90

เอกสารที่อ้างถึง