Inspecting, removing, installing valve guides - AR05.30-P-4511AV

ENGINE 112 

ENGINE 112.945 in MODEL 463.209 /232 /233 /244 /245 /250 

ENGINE 113.962 in MODEL 463.206 /240 /241 /247 /248 /249 /254 

ENGINE 113.982 in MODEL 463.243/246 

ENGINE 113 in MODEL 129, 163, 202, 203, 208, 209, 210, 211, 215, 220, 230 

Fig 1: Removing/Installing Valve Guides

	Remove
1	Remove valves		AR05.30-P-3511AV
	Inspection
2	Inspect valve guide,	Inspect valve guide if the measurements obtained are not within the stated tolerances ↓	AR05.30-P-3731-06AV
		Replace valve guide.	AR05.30-P-3731AV
	Machining
3	Machin valve seat ring in cylinder head		*WE58.40-Z-1009-21A
			*WE58.40-Z-1010-21A
		Observe tool manufacturer's operating instructions, maintain dimensions in accordance with checking and machining dimensions. ↓
		Checking and machining dimensions for valve seats	AR05.30-P-4510-01AV
		If the measurements after machining are less than the specification ↓
		Replace valve seat ring.	AR05.30-P-3831AV
	Inspection
4	Measure seat width	Correct valve seat width if necessary.	AR05.30-P-4510-01AV
5	Insert valve and inspect for leaks	Grind valve with valve grinding compound before installation.	*WH58.30-Z-1020-13A
6	Measure valve set-back to cylinder head	If measurement is less than minimum dimension no further correct valve clearance compensation is possible; replace valve seat ring or cylinder head ↓	AR05.30-P-4100-01AV
		Replace valve seat ring. ↓ The valve must always be replaced after installing a new valve seat ring.	AR05.30-P-3831AV
	Install
7	Install valves		AR05.30-P-3511AV