MS 170, MS 170 C, MS 180, MS 180 C
English
39
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.
Removing the shroud
N Use a suitable tool to open the catch
by turning it 90° to the left
N Lift off the shroud
Refitting the shroud
Install parts in reverse order.
If there is a noticeable loss of engine
power
N Simultaneously press the throttle
trigger lockout and throttle trigger
and set the Master Control lever to
cold start l
N Clean away loose dirt from around
the filter
N Remove the shroud – see "Shroud"
N Pull the filter upwards to remove
N Knock out the filter or blow it clear
with compressed air from the inside
outwards - do not wash
Do not clean fleece filters with a brush!
If the filter cannot be cleaned or is
damaged, replace the filter
N Reinstall air filter
Chain
type
Chain pitch Minimum
groove depth
Picco 1/4" P 0.16" (4.0 mm)
Rapid 1/4" 0.16" (4.0 mm)
Picco 3/8" P 0.20" (5.0 mm)
Rapid 3/8"; 0.325" 0.24" (6.0 mm)
Rapid 0.404" 0.28" (7.0 mm)
Shroud
Cleaning the Air Filter
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