STIHL 019 T 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 4
2.5.1 For User 4
2.5.2 For Service 4
2.6 Tightening Torques 5
3. Clutch, Chain Drive,
Chain Brake and
Chain Tensioner 6
3.1 Chain Sprocket 6
3.2 Clutch 7
3.3 Chain Brake 7
3.3.1 Checking Function 7
3.3.2 Disassembly 8
3.3.3 Assembly 9
3.4 Chain Tensioner 11
3.5 Bar Stud 11
4. Engine 12
4.1 Removal 12
4.2 Assembly 13
4.3 Exhaust Muffler/
Spark Arresting Screen 14
4.4 Leakage Test 15
4.4.1 Preparations 15
4.4.2 Pressure Test 16
4.4.3 Vacuum Test
(for diaphragm) 17
4.4.4 Vacuum Test
(for oil seal) 17
4.5 Oil Seals 19
4.6 Cylinder 20
4.7 Piston 22
4.8 Piston Ring 23
4.9 Crankshaft 23
5. Ignition System 25
5.1 Spark Plug Boot 25
5.2 Ignition Module 26
5.2.1 Ignition Timing 26
5.2.2 Removing and
Installing 26
5.3 Flywheel 27
5.4 Ground Wire/
Short Circuit Wire 28
5.5 Contact Spring 29
6. Rewind Starter 30
6.1 General 30
6.2 Fan Housing 30
6.3 Rewind Spring 31
6.3.1 Replacing 31
6.3.2 Tensioning 32
6.4 Starter Rope
(ElastoStart) 32
6.5 Starter Grip
(ElastoStart) 33
7. AV Handle System 34
8. Master Control/
Handle System 36
8.1 Interlock Lever/
Throttle Trigger 36
8.2 Switch Shaft 36
8.3 Handle Molding 37
8.4 Handlebar 37
8.5 Top Handle 37
9. Chain Lubrication 39
9.1 Pickup Body 39
9.2 Oil Tank/Suction Hose 39
9.3 Oil Pump 40
9.4 Worm 41
10. Fuel System 42
10.1 Air Filter 42
10.2 Pickup Body 42
10.3 Tank Vent 43
10.4 Fuel Tank/
Fuel Hose 43
10.5 Carburetor 44
10.5.1 Leakage Test 44
10.5.2 Removing and
Installing 45
10.5.3 Adjustment 45
10.6 Throttle Cable 46
10.7 Spacer Flange/
Diaphragm 47
11. Special Servicing
Tools and Aids 48
11.1 Special Servicing Tools 48
11.2 Servicing Aids 50
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©1996, Andreas Stihl, Waiblingen
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