TS 4402
1.1 Applicable Documentation
N Please observe the following documentation in
addition to this service manual.
– Spare parts documentation
– TI bulletins
– Instruction manual
1.2 Symbols in Text
2.1 Protective gloves
Sharp or hot components can cut or burn people.
N If sharp or hot components must be touched during
repair: Wear protective gloves.
2.2 Safety goggles
Objects can be hurled up at high speed during repair.
Objects thrown up can cause injury to the eyes.
N If components can be thrown up during repair: Wear
safety glasses.
2.3 Spare parts
If spare parts which have not been approved by STIHL are
installed, the functions of components can no longer be
performed or safety devices can be deactivated. People
can be seriously injured or killed.
N STIHL recommends the use of genuine STIHL spare
parts.
2.4 Screws
Thread forming screws
Screws with the designation P or DG press a permanent
thread into the material when screwed in. If the screw
does not engage in the existing thread when re-installed,
the safety of the screw connection can no longer be
guaranteed.
N If screws with the designation P or DG are screwed
into an existing thread:
– Insert the screw into the hole.
– Turn the screw counterclockwise until the screw
slightly sinks into the hole.
The screw engages in the existing thread.
– Tighten the screw clockwise to the specified torque.
Micro-encapsulated screws:
The micro-encapsulated pre-coating is only effective
when the screw is first screwed in. If a microencapsulated
screw is reused, the screw connection may come loose
during operation.
N Replace micro-encapsulated screw.
N If a micro-encapsulated screw is reused, perform the
following steps:
– Clean threaded hole and screw thread.
– Coat thread of screw with thread-locking adhesive.
– Tighten the screw to the specified torque.
Aluminum screws
N Do not reuse screws.
N Screw in the screws crosswise up to the head rest.
N Tighten the screws crosswise.
N Turn the screws crosswise by 90°.
3.1 Preparing the cut-off machine
N Empty fuel tank into a container suitable for fuel.
N Remove abrasive wheel.
N Clean cut-off machine.
1 About this Service Manual
This symbol refers to a chapter in this service
manual.
A video is available for this chapter
This symbol shows the tightening torque for a
screw joint and the procedure after tightening.
In this example: Tightening torque 5 Nm. Then
rotate 1 full turn counterclockwise.
2 Safety During Repair Work
5 Nm
1
3 Preparations for Repair
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