Replace valve seat rings - AR05.30-P-3831AV
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 MODELS 129, 163, 202, 203, 208, 209, 210, 211, 215, 220, 230
Fig 1: Identifying Basic Bore Of Valve Seat Ring (Intake) And Basic Bore Of Valve Seat Ring (Exhaust)
Modification notes
| 25.2.04 | Value changed from 0.084...0.110 mm to 0.074...0.1 mm | Figure in BE05.30-P-1004-03C for engine 112.910/911 modified | *BE05.30-P-1004-03C |
|---|---|---|---|
| 25.2.04 | Value changed from 0.084...0.110 mm to 0.074...0.1 mm | Figure revised in BE05.30-P-1004-03C in case of engine 112.912/914/915/920/921/922/923/940/ 941/942/943/944/945/946/947/948/960/ 961, 113.940/941/942/943/944 | *BE05.30-P-1004-03C |
| 25.2.04 | Value changed from 0.084...0.110 mm to 0.074...0.1 mm | Figure revised in BE05.30-P-1004-03C in case of engine 113.960/961/962/963/965/967/968/ 980/981/982/984/987/988/990/991 /992 | *BE05.30-P-1004-03C |
| Remove/install | |||
| 1 | Remove valves | AR05.30-P-3511AV | |
| 2 | Inspect valve guide inner diameter for wear | AR05.30-P-3731-06AV | |
| Replace valve guide. | AR05.30-P-3731AV | ||
| 3 | Turn valve seat ring out of the cylinder head with ring seat turning tool | ||
| *WE58.40-Z-1009-21A | |||
| *WE58.40-Z-1010-21A | |||
| 4 | Measure diameter of valve seat ring basic bore (D1, D2) in the cylinder head | *BE05.30-P-1006-03C | |
| *BE05.30-P-1007-03C *BE05.30-P-1004-03C |
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| If the measurements obtained deviate from the test values: ↓ machine basic bores to the next oversize of the valve seat rings Pay attention to inspection and machining dimensions of the valve seat rings and of the basic bore ↓ |
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| Inspection and machining dimensions of valve seat rings | AR05.30-P-3831-03AV | ||
| Risk of injury to skin and eyes caused by handling hot or glowing objects. | Wear safety gloves, protective clothing and safety glasses, if necessary. | AS00.00-Z-0002-01A | |
| 5 | Heat cylinder head in recirculated heating cabinet or heating oven | ||
| *WH58.30-Z-1001-28A | |||
| *WH58.30-Z-1003-28A | |||
| 8 | Drive in valve seat ring using a suitable drift | ||
| 9 | Machine valve seat rings | AR05.30-P-4511AV | |
| 10 | Install in the reverse order |
Test values for valve seat rings
| Number | Designation | Engine 112.910/ 911 |
Engine 112.912/ 914/915/920/ 921/922/923/ 940/941/942/ 943/944/945/ 946/947/948/ 951/960/961, 113.940/941/94 2/943/944 |
||
|---|---|---|---|---|---|
| BE05.30-P-1004-03C | Valve seat ring - overlap in cylinder head | Intake | mm | 0.084...0.115 | 0.084...0.115 |
| Exhaust | mm | 0.074...0.100 | 0.074...0.100 | ||
| BE05.30-P-1006-03C | Basic bore diameter of inlet valve seat rings in cylinder head | Standard | mm | 31.000...31.016 | 37.000...37.016 |
| Rep. size 1 | mm | 32.000...32.016 | 38.200...38.216 | ||
| BE05.30-P-1007-03C | Basic bore diameter of exhaust valve seat rings in cylinder head | Standard | mm | 35.000... 35.016 | 42.000... 42.016 |
| Rep. size 1 | mm | 36.200...36.216 | 43.200...43.216 | ||
Test values for valve seat rings
| Number | Designation | Engine 113.960/ 961/962/963/ 964/965/967/ 968/971/980/ 981/982/984/ 987/988/990/ 991/992/993/ 995 |
||
|---|---|---|---|---|
| BE05.30-P-1004-03C | Valve seat ring - overlap in cylinder head | Intake | mm | 0.084...0.115 |
| Exhaust | mm | 0.074...0.100 | ||
| BE05.30-P-1006-03C | Basic bore diameter of inlet valve seat rings in cylinder head | Standard | mm | 39.000...39.016 |
| Rep. size 1 | mm | 40.200...40.216 | ||
| BE05.30-P-1007-03C | Basic bore diameter of exhaust valve seat rings in cylinder head | Standard | mm | 44.000...44.016 |
| Rep. size 1 | mm | 45.200...45.216 | ||
Commercially available tools
| Number | Designation |
|---|---|
| WH58.30-Z-1001-28A | Recirculated air warming cabinet |
| WH58.30-Z-1003-28A | Heating oven |
Workshop equipment
| WE58.40-Z-1009-21A | Valve seat turning device |
|---|---|
| WE58.40-Z-1010-21A | Valve seat turning device |