Remove/install valves

AR05.30-T-3511B

15.5.00

ENGINE 441.980 in MODEL 613.355 /364 /365

ENGINE 402.970, 446.938 in MODEL 613.455 /485

1 Washer for inner valve spring

2 Washer for outer valve spring

3 Inner valve spring

4 Outer valve spring

5 Valve spring plate

6 Collet

7 Valve stem seal

8 Cylinder head

9 Valve

T05.30-0007-03

 	Remove/install
1	Remove injection nozzle with nozzle holder		AR07.03-T-6840B
2	Remove cylinder head (8)		AR01.30-T-5800B
3	Remove valve stem seals (7)		AR05.30-T-3510B
4	Remove washers (1, 2) for the valve springs
5	Take cylinder head (8) off valve removal and insertion tool and remove the valves (9)	  Installation: Oil valve stems.	*WH58.30-Z-1001-14A
	Testing
6	Inspect valves (9) and machine, if necessary		AR05.30-T-4201B
7	Inspect the valve guides and replace, if necessary		AR05.30-T-3731B
8	Inspect the valve seat rings and replace, if necessary		AR05.30-T-3831B
9	Measure valve setback to cylinder head (8)	 Insert the valves into the valve guides without installing the springs for this step.	AR05.30-T-4100-01A
		Valve set-back to cylinder head joint surface	*BE05.30-N-1002-01I
		Permissible difference	*BE05.30-N-1011-01I
			*001589532100
			*343589004000
		 If the measurement obtained is not within the specified tolerance:
		Machine the valve seat rings at the inlet or exhaust valve, or replace as necessary.	AR05.30-T-3831B
10	Install in the reverse order

Inspection data of valves

Number	Designation			Engine 402.970	Engine 441.980	Engine 446.938


BE05.30-N-1002-01I	Valve set-back to cylinder head joint surface		mm	0.7...1.1	0.7...1.1	0.7...1.1
BE05.30-N-1011-01I	Permissible difference of valve set-back to cylinder head joint surface	Intake	mm	 0.2	 0.2	 0.2
		Outlet	mm	 0.2	 0.2	 0.2

001 589 53 21 00

343 589 00 40 00

Dial gage holder

Dial gage

Commercially available tools

Number	Designation
WH58.30-Z-1001-14A	Cylinder head holding fixture