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PPT-2620
MAINTENANCE
X7507820600
43
© 2/2017 ECHO Inc.
ENGLISH
Guide Bar and Saw Chain Replacement
Never try to replace or adjust guide bar and saw chain with
engine running. Always disconnect spark plug wire before
servicing guide bar and saw chain. This saw chain is VERY
sharp, wear heavy gloves to protect your hands when handling
it. Wear eye protection meeting CE or ANSI specification Z87.1.
Guide Bar Replacement / Installation
Level 2.
1.
Remove two guide bar nuts (A)
and sprocket cover screw (B),
turn saw chain tension
adjustment screw (C)
counterclockwise to release
tension.
2.
Remove guide bar cover (D).
3.
Remove guide bar and saw
chain from gear case and
sprocket.
4.
Remove chain from guide bar and check guide bar for damage and
excessive or uneven wear. Replace guide bar if necessary
5.
Install chain on guide bar with
cutters on top of bar facing
toward bar tip.
6.
Install guide bar and chain on
gear case, engaging chain with
drive sprocket (E).
7.
Turn tension adjustment screw
clockwise to take up slack in
saw chain.
8.
Install guide bar cover (D), and tighten guide bar nuts finger tight and
install guide bar cover screw (B).
9.
Adjust chain tension.
Guide Bar Cover Cleaning
1.
Remove two guide bar nuts (A) and guide bar cover screw (B).
C
A
B
C
D
E