AR14.15-W-5810B | Service engine brake valve fitting | 11.11.11 |
ENGINES 541.9 in MODEL 950, 952, 953, 954
ENGINES 542.9 in MODEL 950, 952, 954
W14.15-1036-06
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 socket
8 Ball stud
9 Engine brake cylinder
10 Fuse
Modification notes
| Removing | ||
| Notes on self-locking nuts and bolts | ||
1 | Remove engine brake valve fitting (1) | Engine 541.9 | |
Engine 542.9 | |||
| Disassemble | ||
2 | Remove securing device (10) and ball socket (7) on ball stud (8) | ||
3 | Remove engine brake cylinder (9) | ||
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) | ||
| Assembly | ||
7 | Assemble engine brake valve fitting (1) | ||
Engine brake shaft axial play | |||
| |||
Feeler gauge | |||
Depth gage | |||
| Tool for installing the bearing sleeve on the engine brake valve fitting | ||
Paste | |||
8 | Attach bracket (5) | | |
9 | Check ball stud (7) and ball socket (8) for wear | Replace ball socket (7) or ball stud (8) if necessary. | |
| |||
10 | Close engine brake valve (4) and mount lever (6) over the splines onto 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). | |
| |||
| |||
11 | Install engine brake cylinder (9) onto bracket (5) | ||
| |||
12 | Adjust engine brake cylinder (9) on engine brake valve (4) | ||
Engine brake cylinder - preload | |||
| |||
13 | Coat ball stud (8) with heat resistant lubricant | ||
14 | Clip ball socket (7) onto engine brake cylinder (9) with pretension onto ball stud (8) and install with securing device (10) | ||
| Install | ||
15 | Install engine brake valve fitting (1) | Engine 541.9 | |
Engine 542.9 | |||
Do not attach compressed-air line on engine brake cylinder (9) | |||
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. | |
16 | Check engine brake valve adjustment | ||
17 | Attach compressed-air line on engine brake cylinder (9) |
Check values for engine brake
Number | Designation | Engine 541.9, 542.9 | |
BE14.15-N-1001-01A | Engine brake cylinder - preload | mm | 2.5 to 3.5 |
BE14.15-N-1002-01A | Engine brake shaft axial play | mm | 0.4 to 0.7 |
Engine brake
Number | Designation | Engine 541.9, 542.9 | |
BA14.15-N-1001-01A | Screw/bolt, engine brake cylinder bracket to engine brake valve fitting | Nm | 30 |
BA14.15-N-1002-01A | Screw/bolt, lever to engine brake shaft | Nm | 15 |
BA14.15-N-1003-01A | Screw/bolt, engine brake valve to engine brake shaft | Nm | 30 |
BA14.15-N-1004-01A | Nut, engine brake cylinder to bracket | Nm | 25 |
BA14.15-N-1005-01A | Jam nut on engine brake cylinder piston rod | Nm | 20 |
BA14.15-N-1007-01A | Ball stud to lever | Nm | 50 |
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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