English / USA

Chain

Pitch

Minimum

type

 

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)

If groove depth is less than specified:

: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.

40

Air Filter System

1

137BA011 KN

2

Oben

HAUT

 

176BA004 KN

The air filter system can be adapted to suit different operating conditions by simply installing a choice of filters.

Standard filter* (1) (green) with wire mesh for normal operating conditions and winter operation.

HD filter* (2) (black) for dry and ver dust work areas.

*see "Guide to Using this Manual"

3 KN 175BA003

4 KN 175BA004

Other filters are used in some models:

Fabric filter* (3) for normal operating conditions and winter operation or the fleece filter* (non woven element) (4) for dry and ver dust work areas.

STIHL filters have a long service life when kept in a dry condition.

:Always use STIHL filters in dry condition.

*see "Guide to Using this Manual" MS 440, MS 440 W, MS 440 C