ar2719s0220ps

Disassemble and assemble electrohydraulic controller unit

유형 ar · 주제 27.19 · 버전 0200 · 2020-03-12

적용 대상: Transmission 722.9 in model 470, 471 with engine 642

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위치

기능 그룹 2 섀시 › 27 자동변속기 › 27.19 변속기　전기장치 — 시리즈 470 · 시리즈 471

EinPAS 17 드라이브 트레인/액슬 › 17.20 변속기 › 17.20.11 컨트롤 유닛/릴레이 — 시리즈 470 · 시리즈 471

EinPAS 17 드라이브 트레인/액슬 › 17.20 변속기 › 17.20.35 컨트롤 유닛/밸브 하우징/오일 분배기 플레이트 — 시리즈 470 · 시리즈 471

엔진/변속기에도 적용: 642 ***, 722 9**

AR27.19-S-0220PS

Disassemble and assemble electrohydraulic controller unit

06.03.2020

Transmission

722.9 in model 470, 471 with engine 642

Disassemble and assemble electrohydraulic controller unit

D27.19-1166-09

1

Screw

11

Output shaft rpm sensor

16

Control solenoid valve (K3 clutch control)

2

Leaf spring

12

Control unit

17

Control solenoid valve (B1 multidisk brake control)

3a

Screw

13

Control solenoid valve (working pressure)

18

Control solenoid valve (B2 multidisk brake control)

3b

Bolts

14

Control solenoid valve (K1 clutch control)

19

Control solenoid valve (B3 multidisk brake control)

7

Timing case

15

Control solenoid valve (K2 clutch control)

20

Control solenoid valve (torque converter lockup clutch)

10

Electrohydraulic controller unit

Disassemble and assemble electrohydraulic controller unit

5

Spring pin

6

Magnet

6a

Shift valve

7

Timing case

10

Electrohydraulic controller unit

12

Control unit

D27.19-1165-06

Topical note

General information on repair work on transmission

AH27.00-S-1000-01PS

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Remove

1

Remove electrohydraulic controller unit (10).

AR27.19-S-0200PS

Disassemble/assemble

2

Remove all control solenoid valves (13, 14, 15, 16, 17, 18, 19, 20).

AR27.19-S-0212PS

3

Remove bolt (3a).

Assembly: Replace bolt (3a).

Bolt, timing case to electrohydraulic controller unit

*BA27.19-N-1007-01D

4

Remove bolts (3b).

Bolt, timing case to electrohydraulic controller unit

*BA27.19-N-1007-01D

5

Remove control unit (12).

Assembly:
Check for correct positioning of retaining bar under the output shaft rpm sensor (11).
Otherwise, the control unit (12) will be damaged.

Assembly: Push clamping sleeve (5) from repair kit by hand, up to end stop in the timing case (7).
The shift valve (6a) must be correctly seated in the electrohydraulic controller unit (10).

Clean

6

Clean magnet (6) of shift valve (6a).

Assembly cleaner

*BR00.45-Z-1028-04A

7

Assembly in reverse order

Install

8

Install electrohydraulic controller unit (10).

AR27.19-S-0200PS

Electrohydraulic controller unit

Number

Designation

Transmission 722.9

BA27.19-N-1007-01D

Bolt, timing case to electrohydraulic controller unit

Nm

8

Repair materials

Number

Designation

Order number

BR00.45-Z-1028-04A

Assembly cleaner

A 000 986 56 01

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