Maintenance, Repair And Storage; Warnings And Instructions - Stihl MSA 120 C Instruction Manual

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11 Maintenance, Repair and Storage

11.1 Warnings and Instructions

WARNING
￭ There are no user-authorized repairs for the battery,
charger or chain saw. To reduce the risk of fire, electric
shock or other personal injury and property damage:
– Users may carry out only the cleaning and
maintenance operations described in this manual.
Users must not attempt any other cleaning,
maintenance or repair.
– Strictly follow the cleaning and maintenance
instructions in the appropriate sections of this
instruction manual.
– STIHL recommends that all repair work be
performed by authorized STIHL servicing dealers.
￭ Unintentional starting may result in personal injury or
property damage. To reduce the risk of personal injury
and property damage from unintentional starting:
– Engage the chain brake by moving the
front hand guard forward to
remove the battery before inspecting the
chain saw or carrying out any cleaning,
maintenance or repair work, before
storing, and any other time it is not in
use.
￭ The bar and chain are the only user-serviceable parts of
the chain saw. 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 tension.
– Tighten all nuts, bolts and screws after each use.
34
￭ Like an automobile brake, a chain saw chain brake incurs
wear each time it is engaged. In order for the chain brake
on your STIHL chain saw to properly perform its function
of reducing the risk of kickback and other injuries, it must
be properly maintained. For the proper and effective
operation of the chain brake:
– 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 three months; Moderate Usage –
twice a year; Occasional Usage – annually.
– Return the chain saw immediately for maintenance
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 authorized
STIHL replacement parts be used for repair or
maintenance.
￭ To reduce the risk of electric shock:
– Unplug the charger from the wall outlet before
inspecting or cleaning the charger.
and
– Regularly check the charger and ensure that the
insulation of the power cord and plug are in good
condition and show no signs of aging (brittleness),
wear or damage.
– Replace the charger if the power supply cord
becomes worn or damaged. The power supply cord
cannot be repaired or replaced.
11 Maintenance, Repair and Storage
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