ar0530b410001d
Measure valve setback to cylinder head
Type ar · topic 05.30 · version 0101 · 2017-10-18
Applies to: Engine 457.9 in model 382, 634, 685 Engine 457.9 in model 695 Engine 457.9 in model 934 Engine 460.984 in model 934.### #S
Where it sits
Function group 1 Engine › 05 Engine timing › 05.30 Valves — Series 382 · Series 460 (models 984) · Series 634 · Series 685 · Series 695 · Series 934
EinPAS 15 Engine › 15.17 Engine timing › 15.17.30 Valve train — Series 382 · Series 460 (models 984) · Series 634 · Series 685 · Series 695 · Series 934
Also applies to engines/gearboxes: 457 9**
AR05.30-B-4100-01D
| Measure valve setback to cylinder head
| Engine 457.9
|
|
Engine
| 457.9 in model 382, 634, 685
|
Engine
| 457.9 in model 695
|
Engine
| 457.9 in model 934
|
Engine
| 460.984 in model 934.### #S
|
Test value for the valves
|
Number
| Designation
|
|
|
| Engines 457.9, 460.984
|
BE05.30-B-1001-01D
| Distance between valve face and the cylinder head
| intake
| Normal
| mm
| 0,7...1,1
|
|
|
|
| Maximum repair stage
| mm
| 1,6
|
|
|
| exhaust
| Normal
| mm
| 0,7...1,1
|
|
|
|
| Maximum repair stage
| mm
| 1,6
|
1
| Support the dial indicator carrier (6) on the lower flat surface of the head.
|
2
| Install the dial indicator (5) so that the probe touches the face of the head (1) with a certain preload.
|
3
| Fasten the dial indicator (5) to the support (6) and adjust the scale to zero "0".
|
4
| Displace the dial indicator until the probe touches the valve head surface (2, 3)..
|
|
| If the value obtained is not within recommended values (B), check valve and seat.
|
