Stihl 4180 Series Service Manual page 46

14 Muffler ............................................................ 37
14.1 Tools, Servicing Aids...................................... 37
14.2 Removing the Muffler ..................................... 37
14.3 Installing the Muffler .......................................
14.4 Removing the Spark Arresting Screen...........
14.5 Installing the Spark Arresting Screen.............
15 Valve Gear ..................................................... 38
15.1 Tools, Servicing Aids...................................... 38
15.2 Disassembling / Assembling Valve Gear .......
15.3 Checking / Adjusting Valve Clearance ...........
16 Powerhead ..................................................... 42
16.1 Special Servicing Tools, Servicing Aids ......... 42
16.2 Testing Engine for Leaks ............................... 42
16.3 Performing Pressure Loss Test......................
16.4 Testing Compression Pressure......................
16.5 Installing New Oil Seals at Starter Side ......... 44
16.6 Installing New Oil Seals at Flywheel Side ...... 44
16.7 Removing the Engine..................................... 45
16.8 Installing the Engine.......................................
16.9 Disassembling the Engine..............................
16.10 Assembling the Engine .................................. 46
17 Tools, Servicing Aids...................................... 47
17.1 Tools .............................................................. 47
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Series 4180 Powerhead