Test valve springs

AR05.30-T-3010B

Test valve springs

16.5.00

ENGINE 441.980 in MODEL 613.355 /364 /365

ENGINES 402.970, 446.938 in MODELS 613.455 /485

D05.30-0067-05

1 Valve spring

2 Spring test balance

	Removal
1	Remove cylinder head		AR01.30-T-5800B
2	Remove valve springs		AR05.30-T-3510-03B
			*442589003100
			*WH58.30-Z-1001-14A
	Check
3	Clean valve springs (1) and insert into the spring test balance (2)		*WH58.30-Z-1005-05A
4	Inspect valve springs (1) to the specifications with the spring test balance (2)	  If the specifications are not achieved, the valve springs must be replaced.	*WH58.30-Z-1005-05A
		Engine 402.970, 441.980, 446.938 Outer valve spring for exhaust valve	*BE05.30-N-1001-05E
		Engine 402.970 Outer valve spring for exhaust valve	*BE05.30-N-1002-05E
		Engine 402.970, 441.980, 446.938 Inner valve spring for exhaust valve	*BE05.30-N-1003-05E
		Engine 441.980, 441.980, 446.938 Outer valve spring of inlet valve	*BE05.30-N-1004-05E
		Engine 441.980 Outer valve spring of inlet valve	*BE05.30-N-1005-05E
		Engine 441.980, 441.980, 446.938 Inner valve spring of inlet valve	*BE05.30-N-1006-05E
	Installation
5	Install valve springs		AR05.30-T-3510-03B
			*442589003100
			*WH58.30-Z-1001-14A
6	Install cylinder head		AR01.30-T-5800B

Inspection data of valve springs

Number	Designation			Engine 402.970	Engine 441.980	Engine 446.938


BE05.30-N-1001-05E	Outer valve spring for exhaust valve	untensioned	mm	64	-	-
		initially tensioned	mm	46,8	46,8	46,8
			Nm	350 (28)	355 (15)	355 (15)
		max. tension	mm	32.8	32.8	32.8
			Nm	730 (40)	670 (30)	670 (30)
BE05.30-N-1002-05E	Outer valve spring for exhaust valve	untensioned	mm	59	-	-
		initially tensioned	mm	46,8	-	-
			Nm	330 (18)	-	-
		max. tension	mm	33 (-0.2/+0.1)	-	-
			Nm	730 (50)	-	-
BE05.30-N-1003-05E	Inner valve spring for exhaust valve	untensioned	mm	65.5	-	-
		initially tensioned	mm	46.3	46.3	46.3
			Nm	143 (15)	195 (12)	195 (12)
		max. tension	mm	32.3	32.3	32.3
			Nm	282 (25)	350 (20)	350 (20)
BE05.30-N-1004-05E	Outer valve spring of inlet valve	untensioned	mm	64	-	-
		initially tensioned	mm	46,8	46,8	46,8
			Nm	350 (28)	345 (15)	345 (15)
		max. tension	mm	32.8	32.8	32.8
			Nm	730 (40)	740 (30)	740 (30)
BE05.30-N-1005-05E	Outer valve spring of inlet valve	untensioned	mm	59	-	-
		initially tensioned	mm	46,8	-	-
			Nm	330 (18)	-	-
		max. tension	mm	33 (-0.2/+0.1)	-	-
			Nm	730 (50)	-	-
BE05.30-N-1006-05E	Inner valve spring of inlet valve	untensioned	mm	65.5	-	-
		initially tensioned	mm	46.3	46.3	46.3
			Nm	143 (15)	143 (12)	143 (12)
		max. tension	mm	32.3	32.3	32.3
			Nm	282 (25)	280 (20)	280 (20)

Valve lifter

442 589 00 31 00

Commercially available tools

Number	Designation
WH58.30-Z-1005-05A	Spring balance
WH58.30-Z-1001-14A	Cylinder head holding fixture