![background image](http://html1.mh-extra.com/html/stihl/ht-105/ht-105_instruction-manual_1379545029.webp)
HT 105, HT 134, HT 135
English
27
N
Turn the bar over – every time you
sharpen the chain and every time
you replace the chain – this helps
avoid one-sided wear, especially at
the nose and underside of the bar
N
Regularly clean the oil inlet hole (1),
the oilway (2) and the bar
groove (3)
N
Measure the groove depth – with the
scale on the filing gauge (special
accessory) – in the area used most
for cutting
If groove depth is less than specified:
N
Replace the guide bar
The drive link tangs will otherwise
scrape along the bottom of the groove –
the cutters and tie straps will not ride on
the bar rails.
Filters have an average life of more than
a year. Do not remove the filter cover or
replace the air filter as long as there is no
noticeable loss of power.
If there is a noticeable loss of engine
power
N
Turn the choke knob to
g
.
N
Loosen the screws (1).
N
Remove the filter cover (2).
N
Clean away loose dirt from around
the filter.
N
Remove the filter element (3).
N
Replace dirty or damaged filter
element (3).
N
Replace any damaged parts.
Installing the Filter Element
N
Install the filter element (3) in the
filter housing and fit the cover.
N
Insert the screws (1) and tighten
them down firmly.
Taking Care of the Guide Bar
Chain type Chain pitch Minimum
groove depth
Picco
3/8" P
5.0 mm
Picco
1/4" P
4.0 mm
0000097197_001
3
2
1
Replacing the Air Filter
1
1
0000-GXX-0482-A0
2
3
4