Owner's Manual

MS 261 C-Q
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 Move the Master Control lever to the
stop position (0).
N Push the hand guard forward – the
chain is locked.
N Open the twist locks (1) by turning
them 1/4 turn counterclockwise with
the combination wrench.
N Remove the shroud (2).
Installing the shroud
N Place the shroud in position.
N Close the twist locks by turning
them a 1/4 turn clockwise.
If there is a noticeable loss of engine
power
N Remove the shroud – see "Shroud".
Removing the air filter
N Clean away loose dirt from around
the filter.
To avoid damaging the filter, do not use
tools for removing and installing the air
filter.
N Rotate the air filter a 1/4 turn
counterclockwise and lift it away in
the direction of the rear handle.
N Always replace damaged filters.
Cleaning the air filter
N Knock the filter out on the palm of
your hand or blow it clear with
compressed air from the inside
outwards.
In case of stubborn dirt or sticky filter
fabric
Chain type Pitch Minimum
groove
depth
Picco 3/8" P 0.20"
(5.0 mm)
Rapid 1/4" 0.16"
(4.0 mm)
Rapid 3/8"; 0.325" 0.24"
(6.0 mm)
Rapid 0.404" 0.28"
(7.0 mm)
Shroud
1
1
1
5902BA027 KN
2
Cleaning the Air Filter
1.
5902BA010 KN
2.