P
OWER
P
RUNER
TM
O
PERATOR
'
S
M
ANUAL
23
GUIDE
BAR
AND
SAW
CHAIN
REPLACEMENT
WARNING
DANGER
Never try to replace or adjust guide bar and saw chain with engine running. 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.
B
A
C
A
B
D
B
Guide Bar Replacement / Installation
Level 2
Tools Required: 10 x 19 mm (13/32 x 3/4 in.) T-wrench
1.
Remove two (2) 6 mm guide bar nuts (A), and turn saw chain
tension adjustment slot (B) counterclockwise to release tension.
2.
Remove sprocket cover (C).
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.
Turn saw chain tension adjuster slot (B) counterclockwise until it
stops.
6.
Install chain on guide bar with cutters on top of bar facing toward
bar tip.
7.
Install guide bar and chain on gear case, engaging chain with drive
sprocket (D).
8.
Turn tension adjustment slot clockwise to take up slack in saw
chain.
9.
Install sprocket guard (C), and tighten guide bar nuts finger tight.
10. Adjust chain tension.
To Adjust Saw Chain Tension.
1.
Loosen two guide bar nuts (A), if necessary.
2.
Turn saw chain adjuster slot (B) clockwise to tighten saw chain on
guide bar. Turning slot counter clockwise will loosen saw chain on
guide bar.
3.
Tighten guide bar nuts (A) firmly. Pull the saw chain around the
guide bar by hand. Saw chain should move freely on guide bar. If
saw chain is difficult to rotate or binds on guide bar, it is too tight.
4.
Keep the saw chain lubricated and properly adjusted and the
guide bar nuts tightened firmly at all times.
