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Contents - Stihl MS 441 Service & Repair Manual

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Contents

1.
Introduction
2.
Safety
3.
Specifications
3.1
Engine
3.2
Fuel system
3.3
Ignition system
3.4
Chain lubrication
3.5
Tightening torques
4.
Troubleshooting
4.1
Clutch
4.2
Chain drive, chain brake,
chain tensioner
4.3
Chain lubrication
4.4
Rewind starter
4.5
Ignition system
4.6
Carburetor
4.7
Engine
5.
Saw chain /
chain guide
6.
Clutch
6.1
Clutch drum
7.
Checking operation
of chain brake
7.1
Brake band, removal
and installation
7.2
Brake lever
7.3
QuickStop Super
brake lever
7.3.1
Adjusting brake cable 30
7.3.2
Brake cable, removal
and installation
7.4
Cam lever
7.5
Pins
7.6
Chain tensioner
7.7
Bar mounting studs
MS 441, MS 441 C
3
8.
Engine
8.1
Muffler / spark
4
arresting screen
8.2
Leakage testing
8.2.1
Preparations
5
8.2.2
Vacuum test
8.2.3
Pressure test
5
8.3
Oil seals
5
8.4
Shroud, removal
5
and installation
5
8.5
Cylinder
6
8.6
Crankshaft
8.6.1
Removal
8.6.2
Installation
8
8.6.3
Ball bearing /
crankcase
8
8.7
Piston
8.7.1
Removal
9
8.7.2
Installation
11
8.8
Piston rings
12
8.9
Decompression valve 57
13
15
18
9.
Ignition system
9.1
Ignition module
9.1.1
Removal and
19
installation
9.2
Ignition timing
9.3
Testing the ignition
19
module
9.4
Spark plug boot /
21
ignition lead
9.5
Flywheel
9.6
Short circuit wire
9.6.1
Testing
23
9.6.2
Removal and
installation
9.6.3
Ground wire
23
9.7
Pre-separator
25
9.8
Troubleshooting chart,
ignition system
27
10.
Rewind starter
31
33
10.1
General
34
10.2
Removal and
35
installation
37
10.3
Pawls
10.4
Rope rotor
10.5
Starter rope / grip
10.6
Tensioning the rewind
spring
10.7
Rewind spring
10.8
Starter rope guide
bushing
37
11.
Anti-vibration system,
repair
37
11.1
Annular buffers
39
11.2
Anti-vibration spring,
40
front handle
41
11.3
Anti-vibration spring,
41
fuel tank
42
11.3.1 Anti-vibration spring,
oil tank
44
11.4
Stop buffers
45
11.5
Front handle
48
11.5.1 Front handle with
48
handle heating
49
52
12.
Actuating levers
54
54
12.1
Switch shaft
55
12.1.1 Removal and
56
installation
12.2
Throttle trigger / throttle
trigger interlock
12.3
Throttle trigger /
57
throttle trigger interlock /
QuickStop Super
58
12.3.1 Switch lever
12.3.2 Throttle trigger
58
interlock
60
60
13.
Chain lubrication
61
13.1
Pick-up body
63
13.2
Oil suction hose
64
13.3
Oil pump
64
13.3.1 Repair
13.3.2 Adjustment
64
13.4
Valve
66
13.5
Oil tank cap
67
69
72
72
72
73
73
74
75
76
77
q
© ANDREAS STIHL AG & Co. KG, 2006
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