Remove/install engine brake valve fitting

AR14.15-T-6302AA

15.1.10

ENGINES 457.942 in MODELS NMB671.015 /020 /021 /030 /042 /332 /333

T14.15-0012-01

1 Engine brake flap connection

2 Exhaust flex pipe

3 Turbocharger

4 Compressed-air line

5 Engine brake cylinder

 	Remove/install
 Danger!	Risk of injury to skin and eyes caused by handling hot or glowing objects.	Wear safety gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
1	Remove passenger seat above transmission maintenance flap.		AR91.21-T-4460D
2	Remove transmission maintenance flap.
3	Remove exhaust flex pipe (2)		AR49.10-T-7170AA
4	Remove compressed-air line (4) on engine brake cylinder (5)	 The connection is not under pressure, when the engine brake is actuated.
5	Remove engine brake flap fittings (1) with engine brake valve fitting (5) from turbocharger (3)		*BA14.15-N-1008-01C
6	Remove engine brake cylinder (5) form engine brake valve fitting (1)	 For this purpose remove bracket of engine brake cylinder (5) from engine brake valve fitting (1)
			*BA14.15-N-1010-01C
7	Install in the reverse order
	Checking
8	Engine brake - checking condition and adjustment
			AP14.15-T-1450AA

 Engine brake

Number	Designation		Engine 457.9


BA14.15-N-1008-01C	Bolt, engine brake flap connection to turbocharger	Nm	50
BA14.15-N-1010-01C	Bolt, bracket of engine brake cylinder to flap connection	Nm	35