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SAW CHAIN TENSION
ADJUSTMENT
WARNING: Unplug chain saw from power
source before adjusting saw chain tension.
WARNING: Cutting edges on chain are
sharp. Use protective gloves when han-
dling chain.
WARNING: Always maintain proper
chain tension. A loose chain will increase
the risk of kickback. A loose chain may
jump out of guide bar groove. This may
injure the operator and damage chain. A
loose chain will cause chain, guide bar,
and sprocket to wear rapidly.
Chain tension is correct when the chain moves freely
around the guide bar with a gloved hand. Chain should
touch the underside of the guide bar rail.
A new chain will stretch. Check new chain frequently
during the first few minutes of operation. Allow chain
to cool down. Follow the steps below to readjust saw
chain tension:
1. Loosen guide bar nut.
2. Ensure the adjustment block is in the adjusting hole
on guide bar (see Figures 5 and 6).
3. Tighten chain tensioning screw clockwise until all
slack is removed from chain. Chain should rest
against the bottom of guide bar rail.
8. If needed, readjust guide bar nut to finger tight only.
9. Tighten chain tensioning screw to attain proper ten-
sion (see
Saw Chain Tension Adjustment
).