ar4920g0004h

Repair latch of maintenance flap on exhaust aftertreatment unit

유형 ar · 주제 49.20 · 버전 0101 · 2018-12-14

적용 대상: Engine 470.9, 471.9, 473.9 in model 800.310

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위치

기능 그룹 1 엔진 › 49 배기가스 시스템, 배기가스 정화장치 › 49.20 배기 가스 후처리 시스템 — 시리즈 470 (모델 9**) · 시리즈 471 (모델 9**) · 시리즈 800 (모델 310)

EinPAS 15 엔진 › 15.40 배기 시스템/배기가스 후처리 시스템 › 15.40.50 배기가스 후처리 유닛 — 시리즈 470 (모델 9**) · 시리즈 471 (모델 9**) · 시리즈 800 (모델 310)

엔진/변속기에도 적용: 473 9**

AR49.20-G-0004H

Repair latch of maintenance flap on exhaust aftertreatment unit

28.11.2018

Engine

470.9, 471.9, 473.9 in model 800.310

Repair latch of maintenance flap on exhaust aftertreatment unit

W49.20-1123-09

1

Maintenance flap

3

Air baffle

5

Seat (of quick-release coupling)

2

Mounting rails

4

Quick-release couplings

Repair latch of maintenance flap on exhaust aftertreatment unit

1

Maintenance flap

6

Tensioning straps

6.1

Screw

6.2

Pin

7

Holding device

8

Shackles

A

Dimension (78 mm)

W49.20-1124-06

Warning

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Remove

1

Remove mounting rails (2).

Only if required.

2

Remove maintenance flap (1).

The quick-release couplings (4) remain under tension.

3

Drill out spot welds and disconnect the quick-release fasteners (4) from the maintenance flap (1) using a hammer and chisel.

4

Grind off seat (5) of quick-release couplings (4).

Install

5

Position maintenance flap (1) onto exhaust aftertreatment unit.

6.1

Insert tensioning straps (6) together with holding device (7) into shackles (8).

For installation with holding device (7).

The holding device (7) also acts as an adjusting gauge for the spring tensioning force. It is part of the scope of supply of the tensioning straps (6) and is already attached.

6.2

Install tensioning straps (6).

For installation without holding device (7).

Turn screw (6.1) until the dimension (A) between the bolts (6.2) is achieved.

7

Screw in screw/bolts (6.1) until the holding device (7) can be picked up by the pins (6.2).

Only for installation with holding device (7).

8

Install mounting rails (2).

Screw, maintenance flap to exhaust gas aftertreatment unit (exhaust gas aftertreatment unit with a diesel particulate filter)

*BA49.10-N-1030-02A

Exhaust system

Number

Designation

Engine 470.9, 471.9

Engine 473.9

BA49.10-N-1030-02A

Screw, maintenance flap to exhaust gas aftertreatment unit (exhaust gas aftertreatment unit with a diesel particulate filter)

M6

Nm

11

11

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