Operation Manual

27Chainsaw Safety Manual

English / USA

2) Firmly tighten cylinder base screws

of professional saws (3.4 kW or

more) after 10 to 20 hours of

operation

* see “Guide to Using this Manual“

Please note that the following maintenance intervals apply for normal

operating conditions only. If your daily working time is longer than normal or

cutting conditions are difficult (very dusty work area, resin-rich wood,

tropical wood etc.), shorten the specified intervals accordingly. If you only

use the saw occasionally, extend the intervals accordingly.

before

starting work

after finishing

work or daily

after each

refueling stop

weekly

monthly

every 12 months

if problem

if damaged

as required

Carburetor

Check idle adjustment – chain must not rotate

Readjust idle

Spark plug Readjust electrode gap

All accessible screws and nuts

(not adjusting screws)

Retighten

Spark arresting screen* in muffler

Inspect

Clean or replace

Chain catcher

Check

Replace