Instruction Manual
Table Of Contents
- STIHL MS 151 C
- 1 Guide to Using this Manual
- 2 Safety Precautions
- 3 Reactive Forces
- 4 Working Techniques
- 5 Cutting Attachment
- 6 Mounting the Bar and Chain
- 7 Tensioning the Saw Chain (side chain tensioner)
- 8 Checking Chain Tension
- 9 Fuel
- 10 Fueling
- 11 Chain Lubricant
- 12 Filling Chain Oil Tank
- 13 Checking Chain Lubrication
- 14 Chain Brake
- 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
- 17 Taking Care of the Guide Bar
- 18 Cleaning the Air Filter
- 19 Adjusting the Carburetor
- 20 Spark Plug
- 21 Storing the Machine
- 22 Checking the Chain Sprocket
- 23 Maintaining and Sharpening the Saw Chain
- 24 Maintenance and Care
- 25 Minimize Wear and Avoid Damage
- 26 Main Parts
- 27 Specifications
- 28 Special Accessories
- 29 Ordering Spare Parts
- 30 Maintenance and Repairs
- 31 Disposal
- 32 EC Declaration of Conformity
001BA273 KN
3.
► Set the felling wedge (3)
Shout a second warning immediately before the
tree falls.
► Cut through the stabilizing strap, horizontal
level with the felling cut, with arms fully exten‐
ded
B) Thick trunks
Implement this felling cut when the trunk diame‐
ter is greater than the cutting length of the
machine.
001BA263 KN
4.
5.
1.
2.
3.
Shout a warning before starting the felling cut.
► Engage the spiked bumper at the height of the
felling cut and use this as the rotation point –
reposition the chainsaw as little as possible
► Tip of the guide bar must penetrate the wood
before the hinge (1) – guide the chainsaw
absolutely horizontally and swivel as widely as
possible
► Make the felling cut up to the hinge (2)
–
Do not cut into the hinge
► Make the felling cut up to the stabilizing
strap (3)
–
Do not cut into the stabilizing strap
The felling cut must be continued on the oppo‐
site side of the trunk.
Ensure that the second cut is at the same level
as the first cut.
► Plunge cut the felling cut
► Make the felling cut up to the hinge (4)
–
Do not cut into the hinge
► Make the felling cut up to the stabilizing
strap (5)
–
Do not cut into the stabilizing strap
001BA274 KN
6.
► Set the felling wedge (6)
Shout a second warning immediately before the
tree falls.
► Cut through the stabilizing strap, horizontal
level with the felling cut, with arms fully exten‐
ded
4.8 Felling Cut with Holding Strap
(Leaner)
A) Thin trunks
Implement this felling cut when the trunk diame‐
ter is smaller than the cutting length of the chain‐
saw.
001BA265 KN
1.
2.
► Plunge cut the guide bar into the trunk until it
exits on the other side
► Make the felling cut (E) towards the hinge (1)
–
Cut horizontally
–
Do not cut into the hinge
► Make the felling cut towards the holding strap
(2)
–
Cut horizontally
–
Do not cut into the holding strap.
English 4 Working Techniques
14 0458-506-0121-B










