Taking Care Of The Guide Bar; Cleaning The Air Filter - Stihl HT 100 Instruction Manual

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Taking Care of the Guide Bar

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1
Turn the bar over – every time you
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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.
Regularly clean the oil inlet hole (1),
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the oilway (2) and the bar
groove (3).
Measure the groove depth – with the
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scale on the filing gauge (special
accessory) – in the area used most
for cutting.
Chain type Chain pitch Minimum
Picco 3/8" P
If groove depth is less than specified:
30
Replace the guide bar.
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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.
3
groove
depth
0.20"
(5.0 mm)

Cleaning the Air Filter

If there is a noticeable loss of engine
power
4
Turn the choke knob to g
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Take out the screw (1) and remove
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the filter cover (2).
Clean away loose dirt from around
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the filter.
Grip the filter element (3) at the
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cutout (arrow) in the filter
housing (4) and remove it.
Fit a new filter element. As a
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temporary measure you can knock it
out on the palm of your hand or blow
it out with compressed air. Do not
wash.
Replace damaged parts.
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Installing the filter
Install the filter element in the filter
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housing and fit the cover.
Insert the screw and tighten it down
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firmly.
HT 100, HT 101, HT 130, HT 131
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