Service engine brake valve fitting · ar1415w5810c · Mercedes-Benz WIS

AR14.15-W-5810C

Service engine brake valve fitting

11.11.11

ENGINES 457.9 in MODEL 374, 375, 940, 942, 943, 944, 958 except CODE (MZ4) Turbobrake

W14.15-1047-06

Illustrated on model 944

1 Engine brake valve fitting

2 Engine brake shaft

3.1 Bearing sleeve

3.2 Bearing sleeve

4 Engine brake valve

5 Bracket

6 Lever

7 Ball stud

8 Ball socket

9 Fuse

10 Engine brake cylinder

	Disassemble
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
1	Remove engine brake valve fitting (1)		AR14.15-W-6302D
2	Remove securing device (9) and ball socket (8) on ball stud (7)
3	Remove engine brake cylinder (10)
4	Remove lever (6)	 Mark installation position of lever (6) relative to the notch on the engine brake shaft (2) (arrow).
5	Remove bracket (5)
6	Disassemble engine brake valve fitting (1)		AR14.15-W-5815-02C
	Assembly
7	Assemble engine brake valve fitting (1)		AR14.15-W-5815-02C
			*BE14.15-N-1002-01F
			*BA14.15-N-1002-01D
		Feeler gauge
		Depth gage
			*BR00.45-Z-1005-06A
	Tool for installing the bearing sleeve on the engine brake valve fitting		WF58.50-W-1415-02A
8	Attach bracket (5)		*BA14.15-N-1008-01D
9	Check ball stud (7) and ball socket (8) for wear	 Replace ball stud (7) or ball socket (8) if necessary.
			*BA14.15-N-1005-01D
10	Close engine brake flap (4) and push lever (6) over the splines on the engine brake shaft (2) and tighten	 When in the closed position, the engine brake valve (4) must be at the end stop in engine brake valve fitting (1). Observe identification (arrow) of the installation position of lever (6) relative to notch on the engine brake shaft (2).
			*BA14.15-N-1001-01D
11	Install engine brake cylinder (10) onto bracket (5)		*BA14.15-N-1003-01D
12	Adjust engine brake cylinder (10) on engine brake valve (4)		AR14.15-W-5816-01C
			*BE14.15-N-1001-01F
			*BA14.15-N-1004-01D
13	Coat ball stud (7) with paste		*BR00.45-Z-1005-06A
14	Clip ball socket (8) on engine brake cylinder (10) with pretension onto ball stud (7) and secure with securing device (9)
15	Install engine brake valve fitting (1)	 Only install compressed-air line on engine brake cylinder (10) and muffler after adjusting the engine brake flap (4).	AR14.15-W-6302D
 Danger!	Risk of injury caused by moving parts that can pinch, crush or, in extreme cases, even sever extremities	No parts of the body or limbs should be within the operating range of the mechanism when moving components.	AS00.00-Z-0009-01A
16	Check setting of engine brake valve (4)		AR14.15-W-5815-01C

Check values for engine brake

Number	Designation		Engine 457.9


BE14.15-N-1001-01F	Engine brake cylinder - preload	mm	2.5 to 3.5
BE14.15-N-1002-01F	Engine brake shaft axial play	mm	0.4 to 0.7

 Engine brake

Number	Designation		Engine 457.9


BA14.15-N-1001-01D	Nut for lever on the engine brake shaft	Nm	15
BA14.15-N-1002-01D	Screw/bolt, engine brake valve to engine brake shaft	Nm	30
BA14.15-N-1003-01D	Nut, engine brake cylinder to bracket	Nm	25
BA14.15-N-1004-01D	Counternut on engine brake cylinder piston rod	Nm	20
BA14.15-N-1005-01D	Ball stud, engine brake to lever	Nm	50
BA14.15-N-1008-01D	Screw/bolt, engine brake cylinder bracket to engine brake valve fitting	Nm	30

Repair materials

Number	Designation	Order number
BR00.45-Z-1005-06A	Paste, hot lubrication 1 kg, DB supply specification 6879.20	A 000 989 76 51

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