Stihl 020 T, Руководство по обслуживанию

Страница: 2 / 58

STIHL 020 T 2
CONTENTS
1. Specifications 3
1.1 Engine 3
1.2 Fuel System 3
1.3 Ignition System 4
1.4 Cutting Attachment 4
1.5 Special Accessories 4
1.5.1 For User 4
1.5.2 For Service 4
1.6 Tightening Torques 5
2. Troubleshooting
Charts
6
2.1 Clutch, Chain Drive,
Chain Brake and
Chain Tensioner
6
2.2 Engine 7
2.3 Ignition System 8
2.4 Rewind Starter 9
2.5 Chain Lubrication 9
2.6 Fuel System 10
3. Clutch, Chain Drive,
Chain Brake and
Chain Tensioner
12
3.1 Disassembling Clutch 12
3.2 Assembling Clutch 12
3.3 Chain Sprocket 13
3.4 Disassembling
Chain Brake
13
3.5 Assembling
Chain Brake
14
3.6 Chain Tensioner 15
4. Engine 16
4.1 Exhaust Muffler 16
4.2 Leakage Test 16
4.2.1 Preparations 17
4.2.2 Pressure Test 17
4.2.3 Vacuum Test 18
4.3 Oil Seals 19
4.4 Cylinder and Piston 20
4.4.1 Removal 20
4.4.2 Installation 21
4.5 Piston Rings 23
4.6 Crankcase 23
4.6.1 Removing the
Crankshaft
23
4.6.2 Installing the
Crankshaft
26
5. Ignition System 29
5.1 Spark Plug 29
5.2 Spark Plug Terminal 31
5.3 Ignition Lead 31
5.4 Ignition Module 32
5.4.1 Ignition Timing 32
5.4.2 Removing and
Installing
33
5.5 Flywheel 33
5.6 Ground Wire/
Short Circuit Wire
34
6. Rewind Starter 35
6.1 Routine Maintenance 35
6.2 Rope Rotor 35
6.3 Replacing the
Starter Rope
36
6.4 Replacing the
Rewind Spring
36
6.5 Tensioning the
Rewind Spring
37
6.6 Pawl 38
6.7 Starter Rope
Guide Bush
38
7. AV Handle System 39
8. Master Control/
Handle System
40
8.1 Master Control Lever 40
8.2 Choke/Throttle
Rods
40
8.3 Interlock Lever/
Throttle Trigger
41
8.4 Switch Shaft 41
8.5 Contact Springs 41
8.6 Double Lever
(Choke/Throttle)
42
8.7 Front Handle 42
8.8 Handle Housing 43
9. Chain Lubrication 44
9.1 Suction Hose/
Pickup Body
44
9.2 Vent Valve 45
9.3 Oil Pump 46
9.3.1 Removing and
Installing
46
9.3.2 Servicing 46
10. Fuel System 47
10.1 Air Filter 47
10.2 Carburetor 47
10.2.1 Removing and
Installing 47
10.2.2 Leakage Testing 48
10.2.3 Servicing 48
10.3 Carburetor
Adjustment 53
10.4 Pickup Body/
Fuel Hose 54
10.5 Tank Vent 55
10.6 Tank Housing 55
11. Special Servicing
Tools and Aids
57
11.1 Special Servicing
Tools
57
11.2 Servicing Aids 58