Taking Care Of The Guide Bar; Cleaning The Air Filter - Stihl HT 75 Manual De Instrucciones

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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
groove depth
Picco 3/8" P 5.0 mm
If groove depth is less than specified:
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.
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Cleaning the Air Filter

Dirty air filters reduce engine power,
increase fuel consumption and make
starting more difficult.
Your power tool comes standard with
either a clip-on or screw-mounted filter
cover.
If there is a noticeable loss of engine
power
Set the choke lever to g.
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On the clip-on filter cover:
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Press in the tab (1) and swing the
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filter cover (2) away.
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HT 75