Instruction Manual

ManualsBrandsSTIHL ManualsChainsaws and pole prunersChainsaw: Lightweight back handle saw for pruning and carving

Table Of Contents

STIHL MS 151 C
1 Guide to Using this Manual
- 1.1 Pictograms
- 1.2 Symbols in text
- 1.3 Engineering improvements
2 Safety Precautions
- 2.1 General
- 2.2 Intended use
- 2.3 Clothing and Equipment
- 2.4 Transporting
- 2.5 Cleaning
- 2.6 Accessories
- 2.7 Refuelling
- 2.8 Before Starting Work
- 2.9 Starting the chain saw
- 2.10 During operation
- 2.11 After finishing work
- 2.12 Storage
- 2.13 Vibrations
- 2.14 Maintenance and repairs
3 Reactive Forces
- 3.1 Dangers of kickback
- 3.2 Kickback occurs if, e. g.,
- 3.3 Quickstop chain brake:
- 3.4 To reduce the risk of kickback
- 3.5 Pull-in (A)
- 3.6 Pushback (B)
- 3.7 Exercise extreme caution
4 Working Techniques
- 4.1 Sawing
- 4.2 Preparing for felling
- 4.3 Felling notch
- 4.4 Sapwood cuts
- 4.5 Basic information on felling cut
- 4.6 Selecting the appropriate felling cut
- 4.7 Felling cut with stabilizing strap (normal tree)
- 4.8 Felling Cut with Holding Strap (Leaner)
5 Cutting Attachment
- 5.1 Chain Scabbard
6 Mounting the Bar and Chain
- 6.1 Disengaging the chain brake
- 6.2 Removing the chain sprocket cover
- 6.3 Mounting the Guide Bar
- 6.4 Fitting the saw chain
7 Tensioning the Saw Chain (side chain tensioner)
8 Checking Chain Tension
9 Fuel
- 9.1 STIHL MotoMix
- 9.2 Mixing Fuel
- 9.3 Storing Fuel
10 Fueling
- 10.1 Preparations
- 10.2 Opening
- 10.3 Filling Up with Fuel
- 10.4 Closing
- 10.5 If the tank cap cannot be locked in the fuel tank opening
11 Chain Lubricant
12 Filling Chain Oil Tank
- 12.1 Preparations
- 12.2 Filling up with chain oil
13 Checking Chain Lubrication
14 Chain Brake
- 14.1 Saw chain, lock
- 14.2 Disengaging the chain brake
- 14.3 Checking Operation of the Chain Brake
- 14.4 Chain Brake Maintenance
15 Starting / Stopping the Engine
- 15.1 Positions of the Master Control lever
- 15.2 Positions of Choke Shutter
- 15.3 Adjust Master Control lever
- 15.4 Manual fuel pump
- 15.5 Holding the Chain Saw
- 15.6 Actuating
- 15.7 Starting the Chainsaw
- 15.8 When Engine Begins to Fire
- 15.9 As Soon As the Engine Runs
- 15.10 At Very Low Outside Temperatures
- 15.11 Shut off the engine
- 15.12 If Engine Does Not Start
- 15.13 If Fuel Tank Has Been Run Completely Dry and Then Refueled
16 Operating Instructions
- 16.1 During the break-in period
- 16.2 During work
- 16.3 After finishing work
17 Taking Care of the Guide Bar
18 Cleaning the Air Filter
- 18.1 If there is a noticeable loss of engine power
19 Adjusting the Carburetor
- 19.1 General Information
- 19.2 Preparations
- 19.3 Standard Setting
- 19.4 Adjusting Idle Speed
- 19.5 Fine Tuning for Operation at High Altitude
20 Spark Plug
- 20.1 Removing the Spark Plug
- 20.2 Checking the Spark Plug
- 20.3 Installing the spark plug
21 Storing the Machine
22 Checking the Chain Sprocket
- 22.1 Replace the chain sprocket
23 Maintaining and Sharpening the Saw Chain
- 23.1 Sawing effortlessly with a properly sharpened saw chain
- 23.2 Chain pitch
- 23.3 Sharpening and side plate angles
- 23.4 File holder
- 23.5 To check the angles
- 23.6 Proper sharpening
- 23.7 Depth gauge setting
- 23.8 Lowering the depth gauges
24 Maintenance and Care
25 Minimize Wear and Avoid Damage
- 25.1 Maintenance Work
- 25.2 Parts Subject to Wear and Tear
26 Main Parts
27 Specifications
- 27.1 Engine
- 27.2 Ignition System
- 27.3 Fuel System
- 27.4 Chain Lubrication
- 27.5 Weight
- 27.6 Cutting Attachment
- 27.7 Noise and Vibration Data
- 27.8 REACH
- 27.9 Exhaust Emissions
28 Special Accessories
- 28.1 Mounting the Spiked Bumper
29 Ordering Spare Parts
30 Maintenance and Repairs
31 Disposal
32 EC Declaration of Conformity

Dr. Jürgen Hoffmann

Head of Product Data, Regulations and Licens‐

ing

English 32 EC Declaration of Conformity

38 0458-506-0121-B