STIHL 088 1
CONTENTS
1. Introduction 2
2. Specifications 3
2.1 Engine 3
2.2 Fuel System 3
2.3 Ignition System 4
2.4 Cutting Attachment 4
2.5 Special Accessories 5
2.5.1 For User 5
2.5.2 For Service 5
2.6 Tightening Torques 5
3. Clutch, Chain Drive,
Chain Brake and
Chain Tensioner 7
3.1 Clutch Drum/
Chain Sprocket 7
3.2 Clutch 8
3.3 Chain Brake 9
3.3.1 Disassembly 9
3.3.2 Assembly 10
3.3.3 Checking Function 12
3.3.4 Brake Spring
Anchor Pin 13
3.3.5 Hand Guard Pivot Pin 13
3.4 Chain Tensioner 14
4. Engine 15
4.1 Exhaust Muffler/
Spark Arresting Screen 15
4.2 Leakage Test 16
4.2.1 Preparations 16
4.2.2 Pressure Test 17
4.2.3 Vacuum Test 18
4.3 Oil Seals 19
4.4 Exposing the Cylinder 20
4.5 Cylinder and Piston 20
4.5.1 Removal 20
4.5.2 Installation 21
4.6 Piston Rings 24
4.7 Crankcase 24
4.7.1 Removing the
Crankshaft 24
4.7.2 Installing the
Crankshaft 28
4.8 Decompression Valve 32
5. Ignition System 33
5.1 Ignition Module 33
5.1.1 Ignition Timing 34
5.1.2 Removing and
Installing 34
5.2 Spark Plug Boot/
Ignition Lead 35
5.3 Flywheel 36
5.4 Ground Wire/
Short Circuit Wire 37
5.5 Contact Spring 37
6. Rewind Starter 38
6.1. General 38
6.2 Rewind Spring 38
6.2.1 Replacing 38
6.2.2 Tensioning 39
7. AV Handle System 40
8. Master Control/
Handle System 41
8.1 Switch Shaft 41
8.2 Throttle Trigger/
Interlock Lever 42
9. Chain Lubrication 43
9.1 Pickup Body/
Suction Hose 43
9.2 Valve 44
9.3 Spur Gear 44
9.4 Oil Pump 45
9.4.1 Removing and
Installing 45
9.4.2 Servicing 45
STIHl
© 1996. Andreas Stihl. Waiblingen
10. Fuel System 47
10.1 Air Filter 47
10.2 Carburetor 48
10.2.1 Removing and
Installing 48
10.2.2 Leakage Test 49
10.2.3 Adjustment 50
10.3 Tank Vent 51
10.4 Pickup Body 51
10.5 Fuel Hoses 52
10.6 Tank Housing 53
11. Special Servicing
Tools and Aids 56
11.1 Special Servicing Tools 56
11.2 Servicing Aids 58