Echo PPT-280 Serial E08612001001 - E08612005941 - Manual (Page 28)

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guIde bar and saw chaIn replacement
WARNING
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
Tools Required: T-wrench, 4mm Hex Wrench
1. Remove two (2) 6 mm guide bar nuts (A) and guide bar cover
screw (B), and turn saw chain tension adjustment screw (C) coun-
terclockwise 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), tighten guide bar nuts finger tight, and
install guide bar cover screw (B).
9. Adjust chain tension.
E
A
C
D
B
A
C
D
B