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113005www.desatech.com
SAW CHAIN TENSIONADJUSTMENT WARNING: Unplug chain saw from
power source before adjusting saw chain
tension.
WARNING: Cutting edges on chain
are sharp. Use protective gloves when
handling chain.
WARNING: Maintain proper chain
tension always. A loose chain will in-
crease the risk of kickback. A loose
chain may jump out of guide bar groove.
This may injure operator and damage
chain. A loose chain will cause chain,
guide bar, and sprocket to wear rapidly.
Figure 8 - Chain Tensioning Screw and
Adjustment Block Location
ASSEMBLYContinued
IMPORTANT!
Failure to follow these instructions when tensioning
saw chain will damage saw and void the warranty.
For additional information call 1-800-858-8501.
New saw chains will stretch. Check chain tension
frequently when first used and tighten when chain
becomes loose around guide bar.
L
O
O
S
E
N
❶
Loosen nut...
If chain becomes loose around guide
bar, allow chain to cool then...
❷
Chain Tensioning
Screw
Adjustment Block
Step
1
Step
2
Figure 7 - Installing Sprocket Cover
Guide Bar Bolt
Bushing
Guide Bar Nut
Sprocket Cover Tab
Slot
Adjusting Hole
9. Turning chain tensioning screw, adjust position
of adjustment block until it is aligned and inserted
into the round adjusting hole on guide bar (see
Figures 7 and 8). Turning screw counterclockwise
will move adjustment block to rear of guide bar.
Turning screw clockwise will move adjustment
block to front of guide bar.
10. If needed, readjust guide bar nut to finger tight only.
11. Adjust saw chain tension. Follow steps under
Saw Chain Tension Adjustment, pages 8 and 9.