be0530b100005f

Test values for valve springs

Type be · topic 05.30 · version 0101 · 2020-02-11

Applies to: Engine 612.983 in model 979

Where it sits

Function group 1 Engine › 05 Engine timing › 05.30 Valves — Series 979

EinPAS 15 Engine › 15.17 Engine timing › 15.17.30 Valve train — Series 979

Also applies to engines/gearboxes: 612 983

BE05.30-B-1000-05F

Test values for valve springs

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Engine

612.983 in model 979

Check values for the valves springs

Number	Designation				Engine 612.983
BE05.30-B-1001-05F	Exhaust valve spring	unloaded length		mm	47,7
		length under load of 237 263 N		mm	34,5
		length under 452 - 498 N load		mm	25,0
		inside diameter	top end	mm	14,80...15,20
			bottom end	mm	19,65...20,05
BE05.30-B-1002-05F	Intake valve spring	unloaded length		mm	46,6
		length under 142 - 158 N load		mm	34,5
		length under 270 - 298 N load		mm	26,5
		inside diameter	top end	mm	14,80...15,20
			bottom end	mm	19,65...20,05