Yaroslavl ???-236, Maintenance Manual

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Contents
Introduction ……..………………..........................................................................................................8
1 General conditions .............................................................................................................................10
1.1 Functions of the engines .................................................................................................................10
1.2 Technical characteristics of the engines .........................................................................................11
2 Technical characteristics for repair .......................................................... ......................................... 17
2.1 General terms and definitions ................................... ..................................................................... 17
2.2 Acceptance requirements for repair of the engines .................................... .................................... 20
2.3 Awaiting repair storage ................................................................... ............................................... 21
2.4 Delivery of the engines from repair ........................................................... .................................... 21
2.5 General technical requirements for engine disassembly ............... ................................................. 22
2.6 General technical requirements for cleaning, washing of the components and units
of the engine ......................................................................................... ............. ............... .................... 24
2.7 General technical requirements for inspection of the components and assembly
units .................................................................................................................................. .................... 31
2.8 General technical requirements for engine assembly ................................................. .................... 36
2.9 General requirements for engine running-in and testing............... ............... ............... .................... 45
3 Inspection sheets ........................................................................................................... .................... 48
1002. Cylinders block ........................................................................................ .................... 48
1002. Cylinder liner ............................................................................................ .................... 59
1002. Cylinder upper cover ................................................................................ .................... 61
1002. Distributing timing cover .......................................................................... .................... 64
1002. Flywheel housing ...................................................................................... .................... 68
1003. Cylinder head ............................................................................................ .................... 72
1003. Cylinder head cover with edges and breather ........................................ ....................... 79
1003. Water pipe ............................................................................................ ......................... 82