Stihl MS 661 Manuals

Stihl MS 661 Manuals

Manuals and User Guides for Stihl MS 661. We have 2 Stihl MS 661 manuals available for free PDF download: Manual, Instruction Manual

Stihl MS 661 Manual

Stihl MS 661 Manual (138 pages)

Brand: Stihl | Category: Chainsaw | Size: 8.34 MB

Table of Contents

Table of Contents
2
Testing with STIHL MDG
2
1 Introduction and Safety Precautions

4
2 Specifications

6
- Engine
  6
- Fuel System
  6
- Ignition System
  6
- Chain Lubrication
  6
- Tightening Torquese
  7
3 Troubleshooting

9
- Clutch
  9
- Chain Drive, Chain Brake, Chain
  10
- Chain Lubrication
  11
- Rewind Starter
  12
- Ignition System
  13
- Carburetor
  14
- Engine
  18
4 Clutch

19
- Clutch Drum
  19
5 Chain Brake

20
- Checking Operation
  20
- Brake Band
  20
- Brake Lever
  21
- Cam Lever
  22
- Pins
  22
- Chain Tensioner
  23
- Bar Mounting Studs
  24
- Collar Nuts for
  24
- Sprocket Cover
  24
6 Engine

25
- Muffler
  25
- Leakage Test
  26
- Preparations
  26
- Vacuum Test
  27
- Pressure Test
  27
- Oil Seals
  27
- Ignition Side
  27
- Clutch Side
  28
- Shroud
  29
- Cylinder
  29
- Crankshaft
  32
- Bearings / Crankcase
  36
- Piston
  37
- Piston Rings
  39
- Decompression Valve
  39
7 Ignition System

40
- Ignition Timing on All Models
  40
- Ignition Module / Control Unit
  40
- Removing and
  40
- Installing
  40
- Testing the
  40
  - Ignition Module
    42
- Testing Ignition Module
  42
  - With MDG 1 Engine Analyzer
    42
  - Spark Test
    43
- Spark Plug Boot
  44
  - Ignition Lead
    44
  - Flywheel
    45
  - Testing Wiring
    46
  - Testing Wiring Harness
    46
  - Without M-Tronic
    46
- Testing Wiring Harness
  47
  - With M-Tronic
    47
- Testing Ground Wire
  47
  - Short Circuit Wire
    47
  - Without M-Tronic
    47
  - Removing and Installing
    47
  - Short Circuit Wire / with M-Tronic Removing and Installing
    49
  - Short Circuit Wire / with M-Tronic and
    51
  - Heating
    52
  - Installing
    53
  - Contact Spring
    55
  - Ignition System
    57
8 M-Tronic

61
- Calibrating the Control Unit
  61
- Testing
  62
  - Preparations
    62
- Connecting Test Cables
  63
  - Testing Screw and
    63
  - Checking the Solenoid Valve
    64
  - Checking Detection of Start Conditions
    65
  - Testing the Wiring
    66
  - Harness
    66
  - Wiring Harness
    67
  - Switch Unit
    67
  - Solenoid Valve
    69
  - Troubleshooting Chart
    70
  - Circuit Diagram
    70
  - Tronic Troubleshooting Chart
    70
- Engine Does Not Start
  71
9 Rewind Starter

77
- General
  77
- Rewind Starter Removing and Installing
  77
- Pawls
  77
- Rope Rotor
  78
- Starter Rope / Grip
  78
- Tensioning the Rewind Spring
  79
- Replacing the Rewind Spring
  79
- Segment
  80
10 AV Elements

81
- Stop Buffer at
  81
  - Clutch Side
    81
- Antivibration Element
  81
  - Tank Housing
    81
  - Fuel Tank
    82
- AV Element on Handlebar
  84
- Stop Buffer at Ignition Side
  84
- Handlebar
  84
- Handlebar / Wrap Around Handlebar with Heating
  86
11 Control Levers

89
- Switch Shaft
  89
- Removing and Installing
  89
- Throttle Trigger
  91
  - Lockout Lever
    91
- Throttle Rod
  92
- Choke Rod Models Without M-Tronic
  94
12 Chain Lubrication

95
- Pickup Body
  95
- Oil Pump
  95
- 12.3.1 Adjusting Uprated
  97
- Valve
  97
13 Fuel System

98
- Air Filter
  98
- Baffle
  98
- Filter Base
  98
- Carburetor
  99
- 13.4.1 Leakage Test
  102
- Servicing the Carburetor
  102
- Disassembling and Cleaning the
  102
  - Carburetor
    103
- Assembling the Carburetor
  103
- 13.5.3 Metering Diaphragm
  103
- Inlet Needle
  104
- 13.5.5 Pump Diaphragm
  105
- 13.5.6 Lever on Throttle Shaft
  106
- Lever on
  107
  - Choke Shaft
    107
- 13.5.7 Lever on Choke Shaft
  107
- 13.7.1 Adjusting Screws
  108
- Adjusting the Carburetor
  110
- 13.8.1 Basic Setting
  110
- 13.8.2 Setting
  110
- 13.8.3 Standard Setting
  111
- Manifold
  112
- 13.9.1 Impulse Hose
  113
  - Tank Vent
    114
- 13.10.1 Testing
  114
- Removing and 16. Installing
  114
- Fuel Intake
  115
- 13.11.1 Pickup Body
  115
- Fuel Suction Hose in Tank Housing
  115
- Fuel Suction Hose on Carburetor
  116
- 13.11.4 Tank Housing
  116
14 Heating System

119
- Carburetor Heating
  119
- Testing the Complete System
  119
- Testing the Heating Element
  119
- 14.1.3 Thermostatic Switch
  120
  - Carburetor Heating System Troubleshooting Chart
    121
  - Handle and Carburetor Heating System
    122
- 14.3.1 Troubleshooting
  122
- Heater Switch
  123
- Heating Element in Rear Handle
  124
- Heating Element in Handlebar
  125
  - Generator
    125
- 14.7.1 Handle Heating and Generator Troubleshooting Chart
  127
- 14.7.2 Test Connections and Test Values
  129
- Heating Element Connecting Wires
  131
- Connecting Wire between Rear Handle and Handlebar
  131
- Connecting Wire between Rear Handle and Generator
  132
15 Special Servicing Tools

135
Servicing Aids

137

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Stihl MS 661 Instruction Manual

Stihl MS 661 Instruction Manual (52 pages)

Brand: Stihl | Category: Chainsaw | Size: 2.77 MB

Table of Contents

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