Checking The Saw Chain; Checking The Controls - Stihl HTA 135 Instruction Manual

English
► Measure the depth of the guide bar with the scale on a
STIHL filing gauge.
► Install a new guide bar if one of the following points
applies:
– The guide bar is damaged.
– The measured guide bar groove depth is less than
specified minimum depth, @ 19.3.
– The guide bar groove is pinched or splayed.
► If you have any doubts, be sure to consult a STIHL dealer.

10.3 Checking the Saw Chain

► Switch off the pole pruner and remove the battery.
2
► Measure the height of the depth limiters (1) with a STIHL
filing gauge (2). The STIHL filing gauge must match the
pitch of the saw chain.
22
► If a depth gauge (1) projects from the filing gauge (2):
► Make sure the service marks (1 to 4) on the cutters are
► If one of the service marks is not visible on a cutter: Do not
► Use a STIHL filing gauge to check that the filing angle is
► If the filing angle of 30° has not been maintained:
► If you have any doubts, be sure to consult a STIHL dealer.

10.4 Checking the controls

1
Trigger lockout and trigger
► Remove the battery.
► Try pressing the trigger without pressing the trigger
► If the trigger can be pressed: Do not use the pole pruner
► Press and hold the trigger lockout.
► Squeeze and release the trigger.
10 Checking Pole Pruner and Battery
Lower the depth gauge (1) with a file, @ 16.3.
2
4
visible.
use your saw chain and contact your STIHL dealer for
assistance.
30° on all cutters. The STIHL filing gauge must match the
pitch of the saw chain.
Resharpen the saw chain.
lockout.
and contact a STIHL specialist dealer.
The trigger lockout is faulty.
1
3
0458-698-0121-A