Shroud; Air Filter System - Stihl MS 171 Instruction Manual

English
Chain Chain pitch Minimum
type 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)
If groove depth is less than specified:
Replace the guide bar.
N
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.
44

Shroud

Removing the shroud
Squeeze the throttle trigger and
N
move the Master Control lever to l
.
Slide the lock to the rear.
N
Remove the shroud upwards to the
N
rear.
Installing the shroud
Refit the shroud and secure it with
N
the lock.

Air Filter System

The air filter system can be adapted to
suit different operating conditions by
installing a choice of filters. Changing
the filter is quick and simple.
Fleece mat (MS 171)
Top illustration.
One-piece fleece filter with sealing lip
(MS 181, MS 211)
Bottom illustration, special accessory on
MS 171.
MS 171, MS 181, MS 181 C, MS 211, MS 211 C