Remove/install valves · ar0530b3511tc · Mercedes-Benz WIS

AR05.30-B-3511TC

Remove/install valves

12.02.16

Cumbustion engine 457.9 with Vehicle 958.4

Cumbustion engine 460.984 with Vehicle 934.### #R, 934.### #S

W05.30-1080-08

1  Valve tool

2 Key

3 Valve spring plate

4 Valve spring

5 Valve stem retainer

6 Sealing ring (only for Engine Code (MS4) BlueTec 4 or Code (MS5) BlueTec 5 to final Engine No. 111124)

7 Valve guide

W05.30-1112-06

8 Intake valves

9 Exhaust valves

10  Dial indicator holder

11  Dial indicator

12  Mandrel

13  Cylindrical brush

	Remove
1	Remove the combined nozzle holder		AR07.03-B-6831TD
2	Remove the cylinder head		AR01.30-B-5800TC
3	Using the dial indicator (11) and the dial indicator bracket (10) to measure the valve height from the head to the head separation surface	 If necessary, replace the head.	AR05.30-B-4100-01TD
			*BE05.30-B-1001-01D
		 Dial indicator	*001589532100
		 Dial indicator holder	*541589004000
4	Remove the valve springs (4) and seals from the valve stems (5)		AR05.30-B-3510-02TCA
		 Pliers	*606589003700
		 Magnetic pin	*210589004000
		 Toolcase for valves	*541589006100
5	Identify/mark the intake valves (8) and exhaust valves (9) and pull out from the head
6	Remove the seal ring (6) from the valve guide (7)		AR05.30-B-3510-05TG
7	Clean the valve guides (7) using the cylindrical brush (13)		*000589106800
	Tests
8	Check the bore of the valve guides (7) using the mandrel (12)		*BE05.30-B-1003-02B
			*117589032300
		 If the side labeled "+" of the mandrel (12) on valve guide (7) can be inserted: 
		Replace the corresponding valve guide (7).	AR05.30-B-3731TC
9	Check the valve seats on the head	 The valve seats cannot display any surface damage, and cannot be burned. If necessary, replace the head.
10	Check the reuse of the intake valves (8) and exhaust valves (9)	 The valve stems may not show surface damage. The key slots 2) cannot be diverted and the chromium layer on the valve stems cannot be damaged. The valve seats may not be burnt. If necessary, replace the respective intake valves (8) and exhaust valves (9).
	Installing
11	Place the intake valves (8) and exhaust valves (9) on the head	 Lubricate the valve stems using motor oil. Worn intake valves (8) and exhaust valves (9) shall be installed. Observe the identification included. Grinding the intake valves (8) and exhaust valves (9) using abrasive paste is not allowed.
12	Install the valve springs (4) and new seals for the valve stems (5)	 Install only the modified valve stem (5) seals.	AR05.30-B-3510-02TCA
		 Toolcase for valves	*541589006100
		 Sleeve	*346589016100
	Changed the valve stem and the valve guide seal		BT05.30-B-0001-02TG
13	Install the head		AR01.30-B-5800TC
14	Install the combined injector holder		AR07.03-B-6831TD

Check values for valves

Número	Denominação				Engine 457.9; 460.984


BE05.30-B-1001-01D	Distance between the valves faces and the head	Intake	Normal	mm	0.7...1.1
			Maximum repair	mm	1.6
		Exhaust	Normal	mm	0.7...1.1
			Maximum repair	mm	1.6