Stihl MS 212 Instruction Manual - Page 25

Maintenance, Repair and, Storage

Page 25 highlights

8 Maintenance, Repair and Storage ► Avoid repositioning the saw more than neces‐ sary. 7.5.9 Plunge-cut Method WARNING ■ This method is extremely dangerous because it involves the use of the nose of the guide bar and can result in kickback. If you are inexper‐ ienced with a chain saw, plunge-cutting should not be attempted. Seek the help of a profes‐ sional. Use the plunge-cut method for making the felling back cut on trees with a diameter more than twice the effective cutting length of the guide bar. 3 4 2 1 ► After creating a large felling notch, begin the plunge cut by applying the lower portion of the guide bar nose to the tree at an angle. Cut until the depth of the kerf is about the same as the width of the guide bar. Next, align the saw in the direction in which the recess is to be cut. ► With the saw at full throttle, insert the guide bar in the trunk. ► Enlarge the plunge cut as illustrated in the illustration above. ► Follow the sectioning method described previ‐ ously to make the felling back cut. 8 Maintenance, Repair and Storage 8.1 Warnings and Instructions WARNING ■ There are no user-authorized repairs for the chain saw. To reduce the risk of fire or other personal injury and property damage: - Users may carry out only the cleaning and maintenance operations described in this manual. - Strictly follow the cleaning and mainte‐ nance instructions in the appropriate sec‐ tions of this instruction manual. 0000-GXX-1443-A1 English - STIHL recommends that all repair work be performed by authorized STIHL servicing dealers. ■ To reduce the risk of personal injury and prop‐ erty damage from unintentional starting: - Shut off the engine and engage the chain brake by moving the front hand guard for‐ ward before inspecting the chain saw or carrying out any cleaning, maintenance or repair work. Always shut off the engine before storing the chain saw, and any other time it is not in use. ■ Proper maintenance will help maintain cutting performance and reduce the risk of personal injury caused by chain derailment and reactive forces. - Wear gloves when handling the saw chain. - Keep the chain, guide bar and sprocket clean. - Replace the chain and guide bar when they become worn or damaged. - Keep the chain sharp and at proper ten‐ sion. - Tighten all nuts, bolts and screws after each use. ■ Like an automobile brake, the chain brake on your chain saw incurs wear each time it is engaged. In order for the chain brake on your STIHL chain saw to function properly, it must be properly maintained. Return the chain saw to your STIHL servicing dealer for periodic inspection and servicing of the brake system according to the following schedule: - Heavy Usage: every 3 months - Moderate Usage: every 6 months - Occasional Usage: every 12 months ■ Return the chain saw immediately for mainte‐ nance whenever the brake system cannot be thoroughly cleaned or there is a change in its operating characteristics. ■ Use of parts that are not authorized or approved by STIHL may cause serious or fatal injury or property damage. - STIHL recommends that only identical STIHL replacement parts be used for repair or maintenance. ■ Improper storage can result in unauthorized use, damage to the chain saw and an increased risk of fire and other personal injury or property damage. - Shut off the engine and engage the chain brake by moving the front hand guard for‐ ward before storing. 0458-221-8621-A 25

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Avoid repositioning the saw more than neces‐
sary.
7.5.9
Plunge-cut Method
WARNING
This method is extremely dangerous because
it involves the use of the nose of the guide bar
and can result in kickback. If you are inexper‐
ienced with a chain saw, plunge-cutting should
not be attempted. Seek the help of a profes‐
sional.
Use the plunge-cut method for making the felling
back cut on trees with a diameter more than
twice the effective cutting length of the guide bar.
1
2
3
4
0000-GXX-1443-A1
After creating a large felling notch, begin the
plunge cut by applying the lower portion of the
guide bar nose to the tree at an angle. Cut
until the depth of the kerf is about the same as
the width of the guide bar. Next, align the saw
in the direction in which the recess is to be cut.
With the saw at full throttle, insert the guide
bar in the trunk.
Enlarge the plunge cut as illustrated in the
illustration above.
Follow the sectioning method described previ‐
ously to make the felling back cut.
8
Maintenance, Repair and
Storage
8.1
Warnings and Instructions
WARNING
There are no user-authorized repairs for the
chain saw. To reduce the risk of fire or other
personal injury and property damage:
Users may carry out only the cleaning and
maintenance operations described in this
manual.
Strictly follow the cleaning and mainte‐
nance instructions in the appropriate sec‐
tions of this instruction manual.
STIHL recommends that all repair work be
performed by authorized STIHL servicing
dealers.
To reduce the risk of personal injury and prop‐
erty damage from unintentional starting:
Shut off the engine and engage the chain
brake by moving the front hand guard for‐
ward before inspecting the chain saw or
carrying out any cleaning, maintenance or
repair work. Always shut off the engine
before storing the chain saw, and any
other time it is not in use.
Proper maintenance will help maintain cutting
performance and reduce the risk of personal
injury caused by chain derailment and reactive
forces.
Wear gloves when handling the saw
chain.
Keep the chain, guide bar and sprocket
clean.
Replace the chain and guide bar when
they become worn or damaged.
Keep the chain sharp and at proper ten‐
sion.
Tighten all nuts, bolts and screws after
each use.
Like an automobile brake, the chain brake on
your chain saw incurs wear each time it is
engaged. In order for the chain brake on your
STIHL chain saw to function properly, it must
be properly maintained. Return the chain saw
to your STIHL servicing dealer for periodic
inspection and servicing of the brake system
according to the following schedule:
Heavy Usage: every 3 months
Moderate Usage: every 6 months
Occasional Usage: every 12 months
Return the chain saw immediately for mainte‐
nance whenever the brake system cannot be
thoroughly cleaned or there is a change in its
operating characteristics.
Use of parts that are not authorized or
approved by STIHL may cause serious or fatal
injury or property damage.
STIHL recommends that only identical
STIHL replacement parts be used for
repair or maintenance.
Improper storage can result in unauthorized
use, damage to the chain saw and an
increased risk of fire and other personal injury
or property damage.
Shut off the engine and engage the chain
brake by moving the front hand guard for‐
ward before storing.
8 Maintenance, Repair and Storage
English
0458-221-8621-A
25