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107990
OWNER’S MANUAL
For more information, visit www.desatech.com
TROUBLESHOOTING
WARNING: Unplug chain saw from power source before servicing.
Severe injury or death could occur from electrical shock or body contact
with moving chain.
OBSERVED FAULT
Saw runs, but does not cut
Saw does not cut unless heavily forced.
Cutting produces only sawdust with few
large chips
Saw runs slow. Saw stalls easily
Motor of saw does not run when you squeeze
trigger
Motor of saw runs, but chain does not move
Chain does not get oil
Chain comes off guide bar
Saw smokes
Saw leaks oil
POSSIBLE CAUSE
Chain assembled backwards on guide bar
Chain is dull
Low power supply voltage
1. Switch lockout not pressed in to release
trigger
2. Extension cord connections loose
3. Open line fuse or circuit breaker
4. Bad motor brushes
5. Open wiring circuit on saw
Gear train failure
1. Clogged oil slot in guide bar
2. Oil is too thick
1. Chain is loose
2. Guide bar and chain not assembled right
Saw damaged. Do not use saw
Oil cap is not secure
REMEDY
See Assembly, page 6
See Sharpening Saw Chain, page 13
Extension cord wire size too small. See
Extension Cords, page 8
1. Press in switch lockout before squeez-
ing trigger
2. Check cord connections
3. Check line fuse or circuit breaker
4. See authorized service center
5. See authorized service center
See authorized service center
1. Remove guide bar and clean oil slot
2. Use correct weight of oil. See Filling Oil
Tank, page 7
1. Tighten chain. See Saw Chain Tension
Adjustment, page 7
2. See Assembly, page 6
See authorized service center
Tighten oil cap.
Note:
Empty oil tank when
not in use
Note:
For additional help, visit our
technical service web site at
www.desatech.com.