Taking Care Of The Guide Bar - Stihl HT 75 Instruction Manual

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Storing for a long period
See chapter on "Storing the Machine"
22

Taking Care of the Guide Bar

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.
2
3
HT 75