Stihl MS 391 Support Question
Stihl MS 391 Support Question
Find answers below for this question about Stihl MS 391.Need a Stihl MS 391 manual? We have 2 online manuals for this item!
Question posted by Anonymous-131056 on February 16th, 2014
St Ihl 391
Just bought the 391. Ran it about 1hour shut it off. Three hour later went to start it up and it started so took choke off and it idle up real high for 20 seconds then died. Now has an excessive amount of oil coming through muffler and wont stay running????
Current Answers
Related Stihl MS 391 Manual Pages
Product Instruction Manual - Page 3
... using your chain
55 saw , it is a high-speed wood-cutting tool, some special safety precautions must... STIHL Incorporated Federal Emission Control Warranty Statement Trademarks
MS 311, MS 391
English
49 Allow only persons who fully understand ...Oil Tank
27
Checking Chain Lubrication
28
Chain Brake
28
Winter Operation
29
Starting / Stopping the Engine
30
Operating Instructions
34
Oil...
Product Instruction Manual - Page 4
...which, if not avoided, could result in the illustration. Engineering Improvements
STIHL's philosophy is a high-speed, fast-cutting power tool, special safety precautions must be dangerous. N Lever (2) ...... of chain saws. Indicates an imminent risk of Federal Regulations 1910.266.
2
MS 311, MS 391 Symbols in Text
Many operating and safety instructions are shown and explained in this ...
Product Instruction Manual - Page 5
... . Safe use of vibrations created by strenuous work break), shut it is not in use it understands the information contained in loss... machine to the machine
Warning! if you are mentioned as high vibration levels and long periods of exposure to property, never ... keep your power tool without the instruction manual. Keep the
MS 311, MS 391
3 Do not use this manual. When it is in ...
Product Instruction Manual - Page 6
...with constant, excessive pressure. This field may interfere with nonslip soles. To reduce the risk of the unit. Secure hair so it is restricted. Good footing is subjected to unusually high loads for ... To reduce the risk of heavy material to help to your face STIHL recommends that
MS 311, MS 391 Only attachments supplied by STIHL or expressly approved by STIHL for which it is in any...
Product Instruction Manual - Page 7
... guard (scabbard) over the chain and guide bar before starting your instruction manual).
Wipe off the engine and allow any... is an extremely flammable fuel. Using the grip, turn ). MS 311, MS 391
5 Do not continue operating this machine if it to the ... tank opening with grip
Warning!
Fueling Instructions
Warning! Always shut off any spilled fuel has been wiped away. Never remove...
Product Instruction Manual - Page 8
... to loosen or come off and spill quantities of the STIHL combination wrench or other in order to the idle position.
Never start the engine at all...shut off ). it is shut off the engine and then tighten.
Check that could ignite combustible fumes and cause a fire. Proper tension of injury.
6
MS 311, MS 391 To reduce the risk of the instruction manual.
For specific starting...
Product Instruction Manual - Page 9
... hands on the handles while you are two recommended methods for starting throttle lock and allow the engine to your legs just above the knees. Hold the rear handle of your instruction manual.
For saws with a rear handle level with incorrect idle adjustment. To reduce this procedure may damage the starter mechanism. MS 311, MS 391
7
Product Instruction Manual - Page 10
... LÄ
001BA031 KN
Your right hand should grip the rear handle. This also applies to the operator or bystanders from falling limbs or branches.
8
MS 311, MS 391 To reduce the risk of control, never use in a tree unless you have received specific, professional training for you can best oppose and absorb the...
Product Instruction Manual - Page 11
...in particular those with respect to dust ("particulate matter"). Working conditions
Operate and start your body is clear of serious or fatal injury/illness from work alone. Your... Warning!
Use good work area, even when starting. Stand to cause respiratory problems, cancer, birth defects, or other object. MS 311, MS 391
9 Warning! English
Warning! Stop the engine immediately...
Product Instruction Manual - Page 12
... damage, breakage or excessive wear. Warning! The muffler and other objects.
move for more than a few seconds when the chain is...excessively worn antivibration elements immediately, since they are hot. A "sponginess" in the event of a felled tree) away from the saw is idling. the trunk of a thrown or broken chain. Have your STIHL servicing dealer only.
10
MS 311, MS 391...
Product Instruction Manual - Page 13
... set your muffler maintained by a STIHL servicing dealer. MS 311, MS 391
11
Reactive forces may suffer severe or fatal injury. ...Your catalytic converter is furnished with screens designed to idle or is incorrectly used to reduce the exhaust emissions ...brush, grass, wood chips or other combustible materials while it is shut off. Catalytic converter
Warning!
Some STIHL power tools are :
...
Product Instruction Manual - Page 14
...becomes for the operator to control the saw to your local STIHL servicing dealer. must , in real life cutting situations. Warning! Take the saw . ANSI B 175.1-2000 chain saw kickback standard...include chain speed, the speed at most 45°.
Do not use a saw .
12
MS 311, MS 391 To reduce the risk of ANSI standard B 175.1-2000, sets certain performance and design criteria related...
Product Instruction Manual - Page 15
...that the operator's left hand is not turning at idle speed (see above idle speed for the Quickstop to reduce the risk of...not activate at all.
No Quickstop or other parts of 3 seconds has occurred, allow the motor housing to help you identify ... result in excess of your chain saw chain and reduced kickback bars
STIHL offers a variety of ANSI B 175.1-2000
MS 311, MS 391
13 The chain...
Product Instruction Manual - Page 16
... reduce kickback energy.
Therefore, always observe all safety precautions to reduce the risk of kickback injury. Warning! There are designed to avoid kickback situations:
14
MS 311, MS 391
Do not mount a bow guide on a bow guide. To avoid kickback
The best protection from personal injury that may be less effective in ANSI...
Product Instruction Manual - Page 17
...object in frequently occurs when the bumper spike of the guide bar. Do not twist the saw . MS 311, MS 391
15 Don't let go.
2. Never let the nose of saw chain properly. Be especially careful near... size brush and saplings which may cause the cut more than one log at a time.
3.
Always start a cut if you off balance. Be alert to forces or situations that may easily catch the chain...
Product Instruction Manual - Page 18
... cut . Escape path
A
B
45° 45°
B
First clear the tree base and work area from the tree, but not on the escape paths.
16
MS 311, MS 391 Felling Instructions
1
1/2
1
21/2
When felling, maintain a distance of the tree (A) and about at least 2 1/2 tree lengths from the nearest person.
When felling on a slope...
Product Instruction Manual - Page 19
... perpendicular to the line of fall, close to 1/4 of the trunk diameter.
N Make second cut into the largest buttress vertically first (horizontally next) and remove the resulting piece. Felling ...the trunk diameter.
N Make second cut :
N Properly place felling notch perpendicular to the line of fall .
001BA153 KN
Felling notch (C) - MS 311, MS 391
17
N Cut down at ...
Product Instruction Manual - Page 20
... notch. N Do not cut through the hinge - you could lose control of the direction of guide bar. never steel, which can damage the chain.
18
MS 311, MS 391 N Cut to control the fall .
N Helps control the falling tree. If the tip of the trunk, at both sides of the bar contacts a wedge...
Product Instruction Manual - Page 27
..., MS 391
25 Use mid-grade unleaded gasoline with the skin and avoid inhaling fuel vapor.
Avoid direct contact with a minimum octane rating of burns or other mix oils that are sitting in both
water ...cycle engines. Fuel with the fuel. Use only STIHL two-stroke engine oil or equivalent high-quality two-stroke engine oils that no dirt falls into the canister first, and then add gasoline....
Product Instruction Manual - Page 39
... the setting is too lean there is only possible to insufficient lubrication and overheating. Standard setting
MS 311, MS 391
LA
N Shut off the engine N Check the air filter and clean or
replace if necessary. General Information
The carburetor comes from the factory with a standard setting.
This setting provides an optimum fuel-air mixture under...
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