English

 

 

 

 

 

 

 

 

 

 

The following maintenance intervals apply for normal operating conditions only. If your daily working

 

after finishing work or daily

 

 

 

 

 

 

 

time is longer or operating conditions are difficult (very dusty work area, resin-rich wood, tropical

 

after each refueling stop

 

 

 

 

 

 

wood, etc.), shorten the specified intervals accordingly. If you only use the saw occasionally, extend

 

 

 

 

 

 

 

the intervals accordingly.

 

before starting work

 

 

 

 

 

 

 

 

weekly

monthly

every 12 months

if problem

if damaged

if required

 

 

 

 

 

 

 

 

 

 

 

Cooling inlets

Clean

 

X

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cylinder fins

Clean

 

X

 

 

X

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Carburetor

Check idle adjustment – chain must not rotate

X

 

X

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Adjusting Idle Speed

 

 

 

 

 

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Spark plug

Readjust electrode gap

 

 

 

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

 

Replace after 100 hours of operation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

All accessible screws and nuts (not adjusting

Retighten

 

 

 

 

 

 

 

 

X

screws) 2)

 

 

 

 

 

 

 

 

Spark arresting screen in muffler (not all markets)

Check1)

 

 

 

 

 

 

X

 

 

Clean, replace if necessary1)

 

 

 

 

 

 

 

X

 

 

 

 

 

 

 

 

 

 

Chain catcher

Check

X

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace

 

 

 

 

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Safety labels

Replace

 

 

 

 

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

 

1)STIHL recommends a STIHL servicing dealer.

2)Firmly tighten down the cylinder base screws of professional saws (3.4 kW or more) after 10 to 20 hours of operation.

MS 170, MS 170 C, MS 180, MS 180 C

47