1
MS 460, MS 460 C
q
© ANDREAS STIHL AG & Co. KG, 2004
Contents
1.
Introduction
3
2.
Safety Precautions
4
3.
Specifications
5
3.1
Tightening Torques
6
4.
Troubleshooting
Chart
8
4.1
Clutch, Chain Drive,
Chain Brake,
Chain Tensioner
8
4.2
Rewind Starter
9
4.3
Chain Lubrication
10
4.4
Ignition System
11
4.5
Carburetor
12
4.6
Engine
14
5.
Clutch, Chain Drive,
Chain Brake and
Chain Tensioner
15
5.1
Clutch Drum/Chain
Sprocket
15
5.2
Replacing the
Chain Catcher
16
5.3
Clutch
16
5.4
Chain Brake
18
5.4.1
Checking Operation
18
5.4.2
Removing
19
5.4.3
Installing
21
5.5
Chain Tensioner
23
5.6
Bar Mounting Studs
24
6.
Engine
24
6.1
Muffler/Spark
Arresting Screen
24
6.2
Leakage Test
26
6.2.1
Preparations
26
6.2.2
Pressure Test
27
6.2.3
Vacuum Test
28
6.3
Oil Seals
29
6.4
Removing the Shroud 30
6.5
Cylinder and Piston
31
6.5.1
Removing
31
6.5.2
Installing
32
6.6
Piston Rings
36
6.7
Crankcase
36
6.7.1
Removing the
Crankshaft
36
6.7.2
Installing the
Crankshaft
39
6.8
Decompression Valve 44
7.
Ignition System
44
7.1
Ignition Module
45
7.1.1
Ignition Timing
45
7.1.2
Removing and
Installing
45
7.1.3
Testing
the Ignition Module
47
7.2
Spark Plug Boot/
Ignition Lead
48
7.3
Flywheel
49
7.3.1
Removing
49
7.3.2
Installing
50
7.4
Stop Switch
50
7.5
Wiring Harness
50
7.5.1
Testing Wiring
Harness
51
7.6
Ignition System
Troubleshooting
52
8.
Rewind Starter
55
8.1
General
55
8.2
Removing and
Installing
55
8.3
Pawls
55
8.4
Rope Rotor
56
8.5
Starter Rope
56
8.5.1
Tensioning
57
8.6
Starter Rope Guide
Bushing
58
8.7
Replacing Rewind
Spring
59
9.
AV Handle System
60
10.
Master Control/
Handle System
61
10.1
Switch Shaft
61
10.2
Throttle Trigger/
Interlock Lever
62
11.
Chain Lubrication
63
11.1
Pickup Body/Suction
Hose
63
11.2
Valve
64
11.2.1 Cleaning
64
11.2.2 Replacing
64
11.3
Oil Pump
65
11.3.1 Removing and
Installing
65
11.3.2 Servicing
65