Solo USA 280 User Manual

MS 270, MS 270 C, MS 280, MS 280 C

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.

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

For normal operating conditions and 
winter operation.

For dry and very dusty work areas.

*

see “Guide to Using this Manual“

:

Loosen the knob (1) above the rear 
handle in the direction of the arrow.

:

Remove the carburetor box 
cover (2).

:

Clean away loose dirt from around 
the filter.

:

Remove the filter. 

:

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:
:

Wash the filter components in 
STIHL universal cleaner or a clean, 
non-flammable solution (e.g. warm 
soapy water) and then dry. 

:

Always replace damaged filters.

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)

146BA010 KN